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TXN311110100000

型号：

TXN311110100000

品牌：

EMCORE[ EMCORE CORPORATION ]

页数：

31 页

PDF大小：

378 K

下载PDF手册
Intel® TXN31111 Tri-rate 850 nm Optical  
Transceiver - SFP* MSA Compatible  
Datasheet  
The LC Small Form Factor Pluggable (SFP) optical transceivers are high-performance  
integrated modules for bi-directional communication over multimode optical fiber.  
The Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver (called hereafter the  
TXN31111 Optical Transceiver) is specifically designed for high-speed multi-rate operation.  
The TXN31111 Optical Transceiver is provided with an LC receptacle that is compatible with  
the industry-standard LC connector.  
The TXN31111 Optical Transceiver has an LC receptacle compatible with the industry-standard  
LC connector. The TXN31111 Optical Transceiver is a Class 1 Laser product that complies with  
FDA Radiation Performance Standards, 21 CFR Subchapter J and international standards IEC  
60825-1 and IEC 60825-2.  
Product Features  
n
Compliant with 1x and 2x Fibre Channel  
(1.0625/2.125 Gbps) FC-PI standard  
Compliant with 1.25 Gbps IEEE 802.3z  
Ethernet standard  
Compliant with the SFP MSA specification  
Hot pluggable  
850 nm VCSEL emitter  
n
n
n
n
n
n
Transmitter Disable Input  
AC-coupled CML level Input/Output  
Single +3.3 V Power Supply  
Class 1 Laser Product  
IEC/UL 60950-1 Safety Certified  
Designed and verified as RoHS compliant  
n
n
n
n
n
TTL Loss of Signal (LOS) Output  
Applications  
n
n
Fibre Channel Switches  
Ethernet Stackable Switches  
n
Ethernet Enterprise Switches  
Notice: This document contains preliminary information on new products in production. The  
specifications are subject to change without notice. Verify with your local Intel sales office that  
you have the latest datasheet before finalizing a design.  
Order Number: 280049, Revision: 007  
20-September-2006  
Legal Lines and Disclaimers  
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY  
ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN  
INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS  
ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES  
RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER  
INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or  
in nuclear facility applications.  
Intel may make changes to specifications and product descriptions at any time, without notice.  
Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the  
presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by  
estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights.  
The TXN31111 Optical Transceiver may contain design defects or errors known as errata which may cause the product to deviate from published  
specifications. Current characterized errata are available on request.  
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.  
Copies of documents which have an order number and are referenced in this document, or other Intel literature may be obtained by calling  
1-800-548-4725 or by visiting Intel's website at http://www.intel.com.  
Intel and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.  
*Other names and brands may be claimed as the property of others.  
Copyright © 2006, Intel Corporation. All Rights Reserved.  
20-September-2006  
2
Datasheet  
Intel® TXN31111 Tri-rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Order Number: 280049, Revision: 007  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Contents  
1.0 Introduction....................................................................................................................................6  
2.0 Specifications ................................................................................................................................7  
2.1  
2.2  
2.3  
Maximum Ratings and Recommended Operating Conditions..............................................7  
Specifications – Electrical.....................................................................................................9  
Specifications – Optical ......................................................................................................10  
3.0 Electrical Interface.......................................................................................................................12  
4.0 Termination..................................................................................................................................14  
4.1  
4.2  
Types of I/O Interfaces .......................................................................................................14  
CML Termination ................................................................................................................15  
5.0 SFP Timing Parameters ..............................................................................................................17  
6.0 Serial Identification .....................................................................................................................18  
6.1  
6.2  
6.3  
6.4  
Identifier..............................................................................................................................20  
Connector ...........................................................................................................................21  
Encoding.............................................................................................................................21  
Transceiver.........................................................................................................................22  
7.0 Mechanical Specification............................................................................................................25  
8.0 Regulatory Compliance ..............................................................................................................26  
8.1  
8.2  
8.3  
8.4  
8.5  
Electromagnetic Compatibility Compliance ........................................................................26  
Safety Compliance..............................................................................................................27  
Lead-Free Conformance.....................................................................................................28  
Compliance with Restriction of Hazardous Substances .....................................................28  
Product Certification Markings and Compliance Statements..............................................29  
9.0 Ordering Information...................................................................................................................30  
10.0 Acronyms.....................................................................................................................................31  
Figures  
1
2
3
4
Diagram of Host Board Connector Block Pin Numbers and Names...........................................12  
Circuit Diagram for CML Termination on Receiver Output .........................................................15  
Circuit Diagram for CML Termination on Transmitter Input........................................................16  
SFP Mechanical Specifications ..................................................................................................25  
Datasheet  
20-September-2006  
Intel® TXN31111 Tri-rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Order Number: 280049, Revision: 007  
3
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Tables  
1
2
3
4
5
6
7
8
9
Absolute Maximum Ratings..........................................................................................................7  
Recommended Operating Conditions ..........................................................................................7  
Electrical Characteristics ..............................................................................................................8  
Transmitter – Electrical Specifications..........................................................................................9  
Receiver – Electrical Specifications..............................................................................................9  
Fiber Length Specifications ........................................................................................................10  
Optical Specifications – Transmitter...........................................................................................10  
Receiver – Optical Specifications...............................................................................................11  
Plug Sequence: Pin Engagement Sequence During Hot Plugging ............................................12  
10 Timing Parameters for SFP Management..................................................................................17  
11 Serial Identification Field Descriptions........................................................................................18  
12 Identifier Values..........................................................................................................................20  
13 Connector Values.......................................................................................................................21  
14 Encoding Codes .........................................................................................................................21  
15 Transceiver Codes .....................................................................................................................22  
16 Option Values.............................................................................................................................23  
17 Date Code ..................................................................................................................................24  
18 Electromagnetic Compatibility Compliance ...............................................................................26  
19 Safety Compliance .....................................................................................................................27  
20 Lead-Free 2nd-Level Interconnect Markings...............................................................................28  
21 Product Certification Markings and Compliance Statements .....................................................29  
22 Ordering Information...................................................................................................................30  
23 Acronyms....................................................................................................................................31  
20-September-2006  
4
Datasheet  
Intel® TXN31111 Tri-rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Order Number: 280049, Revision: 007  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Revision History  
Date  
Revision  
Description  
Title page change  
Added standard references on Table 1.0 “Introduction” on page 6  
Modified Table 3 “Electrical Characteristics” on page 8  
Modified Table 5 “Receiver – Electrical Specifications” on page 9  
Modified Table 6 “Fiber Length Specifications” on page 10  
Modified Table 7 “Optical Specifications – Transmitter” on page 10  
Modified Table 6 “Fiber Length Specifications” on page 10  
20-Sept-2006  
007  
Title change  
24-May- 2006  
006  
Table 7 “Optical Specifications – Transmitter” on page 10 -Corrected document-only error - Output  
Rise/Fall Time.  
•
•
•
•
•
Modified Title Page:  
Modified datasheet description on Page 1  
Rearranged the Product Features and Applications sections on Page 1.  
Added first paragraph under Section 2.0, “Specifications” on page 7.  
Modified Table 1 “Absolute Maximum Ratings” on page 7:  
Removed Operating Temperature and Note 1.  
Added Caution note.  
•
•
Modified Table 5 “Receiver – Electrical Specifications” on page 9: Added total jitter TJ  
parameter.  
25-Aug-2005  
005  
Modified Table 8 “Receiver – Optical Specifications” on page 11: Added "Stressed Sensitivity  
Compliant with Fibre Channel – Physical Interfaces (FC-PI-2) specs, IEEE 802.3z* Gigabit  
Ethernet 1000 BASE-SX standard."  
•
•
Modified Section 7.0, “Mechanical Specification” on page 25: Added “Note: Aqueous wash is  
not applicable for this product.”  
Modified Table 21 “Product Certification Markings and Compliance Statements” on page 29:  
Modified Electromagnetic Interference (EMI) Performance to: “Module meets FCC class B.  
System margins depend on the PCB layout of customer board and chassis designs.  
14 Jan 2005  
17 Nov 2004  
004  
003  
Modified Table 3 “Electrical Characteristics” on page 8: added Power Dissipation values.  
Replaced Figure 4 “SFP Mechanical Specifications” with a corrected drawing.  
Updated the Transmitter Values for Max Field:  
–Single Ended, was 1100  
–Differential, was 2200  
–Output rise/fall time, was 115  
17 Aug 2004  
29 Jun 2004  
002  
001  
Updated the Receiver Values:  
–Max:Total Jitter row was TBD  
–Min:Receiver Sensitivity was -22, -20, LOS - Asserted was -30, LOS - Hysteresis not defined  
–Typ:Receiver Sensitivity was -19, -17  
Initial document release  
Datasheet  
20-September-2006  
Intel® TXN31111 Tri-rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Order Number: 280049, Revision: 007  
5
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
1.0  
Introduction  
The Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver (called hereafter the TXN31111  
Optical Transceiver) is specifically designed for high-speed data links at 2.125 Gbps (2x Fibre  
Channel rate).  
This document discusses the following TXN31111 Optical Transceiver topics:  
• Section 2.0, “Specifications” on page 7  
• Section 3.0, “Electrical Interface” on page 12  
• Section 4.0, “Termination” on page 14  
• Section 5.0, “SFP Timing Parameters” on page 17  
• Section 6.0, “Serial Identification” on page 18  
• Section 7.0, “Mechanical Specification” on page 25  
• Section 8.0, “Regulatory Compliance” on page 26  
• Section 9.0, “Ordering Information” on page 30  
• Section 10.0, “Acronyms” on page 31  
For information on standards that apply to the TXN31111 Optical Transceiver, see the following  
references:  
• IEEE Std 802.3, 2002 Edition, Clause 38, PMD Type 1000BASE-SX. IEEE Standards  
Department, 2002  
• IEEE Std 802.3z, 1998 Edition. Gigabit Interface Converter (GBIC) Ethernet Standard.  
• Small Form-Factor Pluggable (SFP) Transceiver Multisource Agreement (MSA)  
• Telcordia Technologies* GR-63 Section 4.2  
•
20-Sept-2006  
6
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
2.0  
Specifications  
Specifications include the following:  
• Section 2.1, “Maximum Ratings and Recommended Operating Conditions” on page 7  
• Section 2.2, “Specifications – Electrical” on page 9  
• Section 2.3, “Specifications – Optical” on page 10  
2.1  
Maximum Ratings and Recommended Operating  
Conditions  
Table 1 lists the absolute maximum ratings for the TXN31111 Optical Transceiver.  
Table 1. Absolute Maximum Ratings  
Parameter  
Symbol  
Min.  
Max.  
Unit  
Notes  
Storage Temperature  
Relative Humidity  
TS  
RH  
-40  
5
85  
°C  
%
–
95  
4
–
Module Supply Voltage  
Data AC Voltage  
VCCT, R  
TD+, TD-  
VI  
-0.5  
–
V
–
Differential  
–
2.6  
VPP  
V
Control Input Voltage  
-0.5  
VCC + 0.3  
Caution:  
Exceeding these values may cause permanent damage. Functional operation  
under these conditions is not implied. Exposure to maximum rating conditions  
for extended periods may affect device reliability.  
Table 2 lists the recommended operating conditions. (Minimum and maximum values listed in  
Table 3 through Table 8 apply over the recommended operating conditions specified in Table 2.)  
Table 2. Recommended Operating Conditions  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Unit  
Case Temperature  
Module Supply Voltage  
Data Rate  
TC  
-20  
2.97  
–
3.3  
–
85  
3.63  
2.5  
°C  
VCCT, R  
VDC  
Gbps  
1.0625  
–
Datasheet  
20-Sept-2006  
7
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 3 lists the TXN31111 Optical Transceiver electrical characteristics.  
Table 3. Electrical Characteristics  
Parameter  
Symbol  
ICC  
ICC  
Min.  
Typ.  
Max.  
Units  
Notes  
–
150  
180  
mA  
TC = 25 °C, VCC = 3.3 V  
Supply Current  
-20° C < TC < 85° C,  
2.97 V < VCC < 3.63 V  
–
–
–
500  
–
200  
726  
–
mA  
mW  
-20° C < TC < 85° C,  
2.97 V < Vcc < 3.63 V  
Power Dissipation  
Pdiss  
–
10 kHz to 4 MHz with  
supply filter  
Supply Noise Rejection  
100  
mV  
mA  
Inrush Current  
Hot plugging of the  
TXN3111101 Optical  
Transceiver results in  
the inrush current of no  
more than 30 mA  
–
–
–
30  
greater than the steady  
state value.  
20-Sept-2006  
8
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
2.2  
Specifications – Electrical  
Table 4 lists the TXN31111 Optical Transceiver transmitter electrical specifications.  
Table 4. Transmitter – Electrical Specifications  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Units  
Notes  
CML Input (Single Ended)  
CML Input (Differential)  
–
–
200  
400  
–
–
1000  
2000  
mVpp  
mVpp  
AC Coupled Input  
Peak to Peak Voltage  
Input Impedance  
(differential)  
ZIN  
85  
2
100  
–
115  
VCC+0.3  
0.8  
Ω
V
V
V
V
–
–
–
TX_DISABLE input  
voltage - High  
VIH  
VIL  
TX_DISABLE input  
voltage - Low  
0
–
TX_Fault Output Voltage -  
High  
IOH = 40μA, 1 TTL Unit  
VOH  
VOL  
2.0  
0
–
VCC + 0.3  
0.8  
Load  
TX_Fault Output Voltage -  
Low  
IOH = -1.69 mA, 1 TTL  
Unit Load  
–
Table 5 lists the TXN31111 Optical Transceiver receiver electrical specifications.  
Table 5. Receiver – Electrical Specifications  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Units  
Notes  
CML Output (Single Ended)  
CML Output (Differential)  
CML Output (Rise/Fall Time)  
–
–
–
275  
550  
–
350  
700  
–
600  
1200  
150  
mVpp  
mVpp  
ps  
AC Couple Outlets  
Peak to Peak Voltage  
20% - 80%  
Output Impedance  
(Differential)  
ZOUT  
VIL  
85  
0
100  
–
115  
0.8  
Ω
V
V
–
IOH = -1.69 mA, 1 TTL  
Unit Load  
TTL LOS Output - Low  
TTL LOS Output - High  
VCC  
0.3  
+
IOH = 40μA, 1 TTL Unit  
VOH  
2.0  
–
Load  
Deterministic Jitter  
Total Jitter  
DJ  
TJ  
–
–
–
–
47  
ps  
ps  
132  
–
VCC  
0.3  
+
VOH  
VOL  
NC  
2.5  
0
–
–
–
V
V
Ω
With Serial ID  
–
MOD_DEF ( 0-2)  
0.5  
–
Measured to RGND/  
TGND  
100 K  
Datasheet  
20-Sept-2006  
9
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
2.3  
Specifications – Optical  
Table 6 lists the TXN31111 Optical Transceiver fiber length specifications.  
Table 6. Fiber Length Specifications  
Parameter  
Symbol  
Min.  
Typ.  
Max. Units  
Notes  
0.5  
0.5  
500  
m
BER < 1.0E -12 @ 2.125 Gbps  
BER < 1.0E -12 @ 1.0625 Gbps  
50 μm/125μm MMF  
–
–
1000  
0.5  
0.5  
300  
m
BER < 1.0E -12 @ 2.125 Gb/s  
BER < 1.0E -12 @ 1.0625 Gb/s  
62.5 μm/125 μm MMF  
–
–
500  
Table 7 lists the TXN31111 Optical Transceiver transmitter optical specifications.  
Table 7. Optical Specifications – Transmitter  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Units  
Notes  
Optical Transmit Power  
Optical Center  
Popt  
λ
-8  
830  
–
-5  
850  
–
-4  
dBm  
nm  
–
–
860  
0.85  
Spectral Width  
Uλ  
nm  
RMS  
Optical Modulation  
Amplitude  
OMA  
250  
–
–
μW  
pk-pk  
Extinction Ratio  
Relative Intensity Noise  
Deterministic Jitter  
Total Jitter  
ER  
RIN  
DJ  
9
–
–
–
–
–
–
–
–
-118  
30  
dB  
dB/Hz  
ps  
–
–
–
–
TJ  
65  
ps  
20 - 80% values,  
measured  
Output Rise/Fall Time  
t
R, tF  
–
–
150  
ps  
unfiltered  
Note: Eye Mask: Compliant with eye mask requirements of Fibre Channel – Physical Interfaces (FC-PI-2)  
specifications, IEEE 802.3z* Gigabit Ethernet 1000 BASE-SX standard  
20-Sept-2006  
10  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 8 lists the TXN31111 Optical Transceiver receiver optical specifications.  
Table 8. Receiver – Optical Specifications  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Units  
Notes  
Optical Input  
Wavelength  
–
770  
–
860  
nm  
–
Receiver  
Overload  
–
–
–
0
dBm  
–
1.0625 Gbps  
Test conditions:  
Pr  
-19  
-22  
–
dBm  
•
•
•
10-12 BER  
9 dB ER input  
27 - 1 PRBS  
Receiver  
Sensitivity  
2.125 Gb/s  
Test conditions:  
Pr  
-17  
-20  
–
dBm  
•
•
•
10-12 BER  
9 dB ER input  
27 - 1 PRBS  
Compliant with Fibre Channel – Physical Interfaces (FC-PI-2) specifications, IEEE  
802.3z* Gigabit Ethernet 1000 BASE-SX standard  
Stressed  
Sensitivity  
Optical Return  
Loss  
ORL  
Pa  
12  
–
–
–
–
dB  
dB  
–
Measured on transition –  
low to high  
LOS - Asserted  
-29  
LOS -  
De-asserted  
Measured on transition –  
high to low  
Pd  
–
1
–
–
-17  
5
dBm  
dB  
LOS - Hysteresis  
Pa - Pd  
–
Datasheet  
20-Sept-2006  
11  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
3.0  
Electrical Interface  
Figure 1 shows the TXN31111 Optical Transceiver electrical interface pin numbers and names.  
Figure 1.  
Diagram of Host Board Connector Block Pin Numbers and Names  
Table 9 lists the plug sequence to follow during hot plugging, as well as pin functions.  
Table 9. Plug Sequence: Pin Engagement Sequence During Hot Plugging (Sheet 1 of 2)  
Plug  
Sequence  
Pin  
Name  
eeT  
Function  
Notes  
1
2
V
Transmitter Ground  
1
–
1
Transmitter Fault  
Indication  
TX_FAULT  
3
3
4
TX_DISABLE  
Transmitter Disable  
3
3
3
3
3
3
1
1
1
2: Module Disables on high or open  
MOD_DEF (2) Module Definition 2  
MOD_DEF (1) Module Definition 1  
MOD_DEF (0) Module Definition 0  
3: Wire Serial ID interface  
5
3: Wire Serial ID interface  
6
3: Grounded Module  
7
RATE SELECT  
LOS  
–
4
5
6
6
6
8
Loss of Signal  
Receiver Ground  
Receiver Ground  
Receiver Ground  
9
VeeR  
10  
11  
Vee  
Vee  
R
R
20-Sept-2006  
12  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 9. Plug Sequence: Pin Engagement Sequence During Hot Plugging (Sheet 2 of 2)  
Plug  
Sequence  
Pin  
Name  
Function  
Notes  
Inverted Received Data  
out  
12  
13  
RD-  
3
7
Non-Inverted Received  
Data out  
RD+  
3
7
6
14  
15  
VeeR  
Receiver Ground  
Receiver Power  
1
2
2
1
3
3
1
Vcc  
R
3.3 V +/- 10% (See also Note 8.)  
16  
Vcc  
T
T
Transmitter Power  
Transmitter Ground  
Non-inverted Data In  
Inverted Data In  
3.3 V +/- 10% (See also Note 8.)  
17  
Vee  
6
9
9
6
18  
TD+  
TD-  
19  
20  
Vee  
T
Transmitter Ground  
NOTES:  
1. TX FAULT is an open collector/drain output that is pulled up with a 4.7 K - 10 K Ω resistor on the host  
board. Use a pull-up voltage between 2.0 V and VccT, R+0.3 V.  
•
•
Low: Indicates normal operation. In the low state, the output is pulled to < 0.8 V.  
High: Indicates a laser fault.  
2. TX DISABLE is an input used to shut down the transmitter optical output. It is pulled up within the  
TXN31111 Optical Transceiver with a 4.7K - 10K Ω resistor. The states are as follows:  
•
•
•
Low (0 - 0.6V): Transmitter Enabled  
(>0.8, <2.0V): Undefined  
High (2.0 - 3.465V): Transmitter Disabled  
3. MOD-DEF 0,1,2: These pins are the definition pins for the TXN31111 Optical Transceiver. They are pulled  
up with 4.7K - 10K Ω resistor on the host board. Use a pull-up voltage between 2.0V and VccT, R + 0.3V.  
•
MOD-DEF 0 is grounded by the TXN31111 Optical Transceiver to indicate the TXN31111 Optical  
Transceiver is present.  
•
•
MOD-DEF 1 is the clock line of a two-wire serial interface for serial ID.  
MOD-DEF 2 is the data line of a two-wire serial interface for serial ID.  
4. RATE SELECT: This signal function not implemented in the TXN31111 Optical Transceiver. The  
TXN31111 Optical Transceiver is rate agile – that is, it meets the specifications for 1.0625 Gbps to 2.5  
Gbps data rates without the use of a rate-select pin.  
5. LOS (Loss of Signal) has an internal 8K pull-up resistor to VccR. While LOS is defined per the SFP MSA,  
•
•
When low, this output indicates normal operation. In the low state, the output is pulled to < 0.8V.  
When high, this output indicates the received optical power is below the worst-case receiver sensitivity  
(as defined by the standard in use).  
6. RD-/+ are the differential receiver outputs. They are AC-coupled 100 Ω differential lines that are terminated  
with 100 Ω (differential) at the user SerDes. The AC coupling is performed inside the TXN31111 Optical  
Transceiver and is therefore not required on the host board.  
7. VccR and VccT: are the receiver and transmitter power supplies. Their values, which are listed in Table 2,  
“Recommended Operating Conditions” on page 7, are defined at the SFP connector pin. Maximum supply  
current is listed in Table 3, “Electrical Characteristics” on page 8. Hot plugging of the TXN31111 Optical  
Transceiver result in the inrush current listed in Table 3, “Electrical Characteristics” on page 8.  
8. TD-/+: are the differential transmitter inputs. They are AC-coupled differential lines with 100 Ω differential  
termination inside the TXN31111 Optical Transceiver. The AC coupling is done inside the TXN31111  
Optical Transceiver and is therefore not required on the host board.  
Datasheet  
20-Sept-2006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
13  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
4.0  
Termination  
4.1  
Types of I/O Interfaces  
The TXN31111 Optical Transceiver has the following types of I/O interfaces.  
• CML interface  
• TTL interface  
High-speed I/Os use the CML interface, while control signals use the TTL interface. Proper  
termination of I/Os is required for good signal integrity. If I/Os (particularly the CML I/Os) are not  
terminated properly, then jitter increases significantly due to reflection from impedance  
mismatches.  
20-Sept-2006  
14  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
4.2  
CML Termination  
Figure 2 shows a circuit diagram for the CML termination for the TXN31111 Optical Transceiver  
receiver output. The TXN31111 Optical Transceiver has built in AC-coupling capacitors, which  
help prevent a direct current path from the TXN31111 Optical Transceiver power supply to the  
SerDes input. (A direct current path could damage the ESD diodes on the SerDes.)  
• Internal termination. For the TXN31111 Optical Transceiver receiver output, the SerDes  
interface provides an internal termination resistor.  
• External termination. For the proper external termination of the SerDes interface, refer to the  
SerDes specification.  
Figure 2.  
Circuit Diagram for CML Termination on Receiver Output  
3.3 V  
50 Ω  
AC-coupling  
capacitor  
100  
Ω
Receiver Output  
SerDes Input  
B3243-02  
Datasheet  
20-Sept-2006  
15  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Figure 3 shows a circuit diagram for the CML termination for the TXN31111 Optical Transceiver  
transmitter input.  
Internal termination. The TXN31111 Optical Transceiver transmitter input has an internal 100 Ω  
termination between two inputs. AC-coupling capacitors are also built into the TXN31111 Optical  
Transceiver.  
Figure 3.  
Circuit Diagram for CML Termination on Transmitter Input  
3.3 V  
AC-Coupling  
Capacitor  
100 Ω  
Transmitter Input  
SerDes Output  
B3244-02  
20-Sept-2006  
16  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
5.0  
SFP Timing Parameters  
Table 10 lists thetiming parameters for SFP management.  
Table 10. Timing Parameters for SFP Management  
Parameter  
Symbol  
Min.  
Max.  
Unit Conditions  
Time from rising edge of  
TX_DISABLE assert time  
t_off  
–
10  
µs  
TX_DISABLE to when the optical  
output falls below 10% of nominal  
Time from falling edge of  
TX_DISABLE to when the modulated  
optical output rises above 90% of  
nominal  
TX_DISABLE negate time  
t_on  
–
1
ms  
Time to initialize includes  
reset of TX_FAULT  
Time from power on or negation of  
TX_FAULT using TX_DISABLE  
t_init  
t_fault  
t_reset  
–
–
300  
100  
–
ms  
µs  
µs  
TX_FAULT Assert Time  
TX Disable to reset  
Time from fault to TX_FAULT ON  
Time TX Disable must be held high to  
reset TX_FAULT  
10  
Time from LOS state to RX_LOS  
assert  
RX_LOS Assert time  
t_loss_on  
t_loss_off  
–
–
100  
100  
µs  
µs  
Time from non-LOS state to RX_LOS  
de-assert  
RX_LOS De-assert time  
Time from rising or falling edge of  
Rate Select input until receiver  
bandwidth is in conformance with  
appropriate specification  
Rate-Select Change time  
Serial ID Clock Rate  
t_ratesel  
–
–
10  
µs  
f_serial_clock  
100  
KHz  
–
Datasheet  
20-Sept-2006  
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Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
6.0  
Serial Identification  
Table 11 lists the definitions from the different data stored in the TXN31111 Optical Transceiver  
EEPROM.  
Table 11. Serial Identification Field Descriptions (Sheet 1 of 3)  
Field Size  
(Bytes)  
Data Address  
Name of Field  
Description of Field  
Base of Fields  
0
1
1
1
1
8
1
1
1
Identifier  
Type of serial identifier (see Table 12)  
Extended identifier of type of serial transceiver  
Connector (see Table 13)  
Ext. Identifier  
Connector  
Transceiver  
Encoding  
2
3-10  
11  
12  
13  
Optical Compatibility (see Table 15)  
Code for serial encoding algorithm (see Table 14)  
Nominal bit rate, units of 100Mbps  
–
BR, Nominal1  
Reserved  
Link Length supported for 9/125 µm fiber, units of  
km  
14  
15  
16  
17  
1
1
1
1
Length (9µ) - km2  
Length (9µ)3  
Link Length supported for 9/125 µm fiber, units of  
100 m  
Link Length supported for 50/125 µm fiber, units of  
10 m  
Length (50µ)4  
Length (62.5µ)5  
Link Length supported for 62.5/125 µm fiber, units  
of 10 m  
18  
19  
1
1
Length (Copper)6  
Reserved  
Link Length supported for copper, units of meters  
–
20-35  
36  
16  
1
Vendor name7  
SFP vendor name (ASCII)  
–
Reserved  
37-39  
40-55  
3
Vendor OUI8  
Vendor PN9  
SFP vendor IEEE company ID  
Part number provided by SFP vendor (ASCII)  
16  
Revision level for part number provided by vendor  
(ASCII)  
56-59  
4
Vendor rev10  
60-62  
63  
3
1
Reserved  
–
CC_BASE11  
Check code for Base ID fields (address 0 to 62)  
Extended ID Fields  
Indicates which optional SFP signals are  
implemented (see Table 16)  
64-65  
2
Options12  
66  
1
1
BR, Max13  
BR, Min14  
Upper bit rate margin, units of %  
Lower bit rate margin, units of %  
Serial number provided by vendor (ASCII)  
Vendor manufacturing date code (see Table 17)  
–
67  
68-83  
84-91  
92-94  
16  
8
Vendor SN15  
Date Code 16  
Reserved  
3
20-Sept-2006  
18  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 11. Serial Identification Field Descriptions (Sheet 2 of 3)  
Field Size  
(Bytes)  
Data Address  
Name of Field  
Description of Field  
Check code for the Extended ID fields (address 64  
to 94)  
95  
1
CC_EXT  
Vendor Specific ID Fields  
96-127  
128-511  
512-n  
32  
384  
–
Read-only  
Reserved  
–
Vendor specific data, read only  
Vendor specific  
–
NOTES:  
1. The nominal bit rate (BR, nominal) is specified in units of 100 Mbps, rounded off to the nearest 100 Mbps.  
The bit rate includes bits necessary to encode and delimit the signal, and bits carrying data information.  
A value of zero indicates that the bit rate is not specified and must be determined from the transceiver  
technology. The actual information transfer rate depends on the encoding of the data, as defined by the  
encoding value.  
2. In addition to EEPROM data from the original GBIC definition, this value specifies the link length that is  
supported by the SFP while operating in compliance with the applicable standards using single-mode fiber.  
This value is in units of kilometers. A value of 255 means that the SFP supports a link length greater than  
254 km. A value of zero means that the SFP does not support single-mode fiber or that the length  
information must be determined from the transceiver technology.  
3. This value specifies the link length that is supported by the SFP while operating in compliance with the  
applicable standards using single-mode fiber. This value is in units of 100 meters. A value of 255 means  
that the SFP supports a link length greater than 25.4 km. A value of zero indicates that the SFP does not  
support single-mode fiber, or the length information must be determined from the transceiver technology.  
4. This value specifies the link length that is supported by the SFP while operating in compliance with the  
applicable standards using 50 µm multi-mode fiber. This value is in units of 10 meters. A value of 255  
means that the SFP supports a link length greater than 2.54 km. A value of zero indicates that the SFP  
does not support 50 µm multimode fiber, or the length information must be determined from the transceiver  
technology.  
Datasheet  
20-Sept-2006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
19  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 11. Serial Identification Field Descriptions (Sheet 3 of 3)  
Field Size  
(Bytes)  
Data Address  
Name of Field  
Description of Field  
5. This value specifies the link length that is supported by the SFP while operating in compliance with the  
applicable standards using 62.5 µm multi-mode fiber. This value is in units of 10 meters. A value of 255  
means that the SFP supports a link length greater than 2.54 km. A value of zero indicates that the SFP  
does not support 62.5 µm multi-mode fiber or that the length information must be determined from the  
transceiver technology. It is common for the SFP to support both 50 µm and 62.5 µm fiber.  
6. This value specifies the minimum link length that is supported by the SFP while operating in compliance  
with the applicable standards using copper cabling. This value is in units of 1 meter. A value of 255 means  
that the SFP supports a link length greater than 254 meters. A value of zero means that the SFP does not  
support copper cables or that the length information must be determined from the transceiver technology.  
Further information about the cable design, equalization, and connectors is usually required to guarantee  
meeting a particular length requirement.  
7. The vendor name is a 16-character field that contains ASCII characters, left-aligned and padded on the  
right with ASCII spaces (20h). The vendor name is the full name of the corporation, a commonly accepted  
abbreviation of the name of the corporation, the SCSI company code for the corporation, or the stock  
exchange code for the corporation. At least one of the vendor names or the vendor OUI fields contain valid  
serial data.  
8. The vendor organizationally unique identifier field (vendor OUI) is a 3-byte field that contains the IEEE  
Company Identifier for the vendor. A value of zero in the 3-byte field indicates that the Vendor OUI is  
unspecified.  
9. The vendor part number (vendor PN) is a 16-byte field that contains ASCII characters, left-aligned and  
padded on the right with ASCII spaces (20h), defining the vendor part number or product name. A value of  
all zeros in the 16-byte field indicates that the vendor PN is unspecified.  
10.The vendor revision number (vendor rev) is a 4-byte field that contains ASCII characters, left-aligned and  
padded on the right with ASCII spaces (20h), defining the vendor product revision number. A value of all  
zeros in the 4-byte field indicates that the vendor PN is unspecified.  
11.The check code is a one-byte code that can be used to verify that the first 64 bytes of serial information in  
the SFP is valid. The check code is the low order 8 bits of the sum of the contents of all the bytes from byte  
0 to 62, inclusive.  
12.The bits in the option field specify the options implemented in the SFP as described in Table 16, “Option  
Values” on page 23.  
13.The upper bit rate limit at which the SFP still meets its specifications (BR, max) is specified in units of 1%  
above the nominal bit rate. A value of zero indicates that this field is not specified.  
14.The lower bit rate limit at which the SFP still meets its specifications (BR, min) is specified in units of 1%  
below the nominal bit rate. A value of zero indicates that this field is not specified.  
15.The vendor serial number (vendor SN) is a 16-character field that contains ASCII characters, left aligned  
and padded on the right with ASCII spaces (20h), defining the vendor serial number for the SFP. A value of  
all zeros in the 16-byte field indicates that the vendor PN is unspecified.  
16.The date code is an 8-byte field that contains the vendor date code in ASCII characters. The date code is  
mandatory. The date code is in a format specified in Section 17, “Date Code” on page 24.  
6.1  
Identifier  
The identifier value specifies the physical device described by the serial information. This value is  
included in the serial data. Table 12 shows the defined identifier values.  
Table 12. Identifier Values  
Value  
Description of Physical Device  
00h  
Unknown or unspecified  
GBIC  
01h  
02h  
Module/connector soldered to motherboard  
SFP transceiver  
03h  
04-7Fh  
80-FFH  
Reserved  
Vendor specific  
20-Sept-2006  
20  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
6.2  
Connector  
The connector value indicates the external connector provided on the interface. This value is  
included in the serial data. Table 13 shows the defined connector values.  
Table 13. Connector Values  
Value  
Description of Physical Device  
00h  
01h  
Unknown or unspecified  
SC  
02h  
Fibre Channel Style 1 copper connector  
03h  
Fibre Channel Style 2 copper connector  
04h  
BNC/TNC  
05h  
Fibre Channel Coaxial headers  
06h  
Fibre Jack  
LC  
07h  
08h  
MT-RJ  
09h  
MU  
0Ah  
SG  
0Bh  
Optical Pigtail  
Reserved  
HSSDC II  
Copper Pigtail  
Reserved  
Vendor specific  
0C-1Fh  
20h  
21h  
22-7Fh  
80-FFh  
NOTE: 01h-05h are not SFP compatible, and are  
included for compatibility with GBIC standards.  
6.3  
Encoding  
The encoding value indicates the serial encoding mechanism that is the nominal design target of the  
TXN31111 Optical Transceiver. Table 14 shows the defined encoding values.  
Table 14. Encoding Codes  
Value  
Description of Physical Device  
00h  
Unspecified  
8B10B  
01h  
02h  
4B5B  
03h  
NRZ  
04h  
Manchester  
Reserved  
05h-FFh  
Datasheet  
20-Sept-2006  
21  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
6.4  
Transceiver  
Table 15 defines the method to interpret the transceiver type for the TXN31111 Optical Transceiver  
and its associated compatibility options.  
Table 15. Transceiver Codes (Sheet 1 of 2)  
Description of  
Transceiver  
Description of  
Transceiver  
Data  
Bit (Note 1)  
Data Addr  
Bit (Note 1)  
Reserved Standard Compliance Codes  
Fiber Channel Link Length  
Very Long  
Distance (V)  
3
4
7-0  
7-4  
Reserved  
7
7
7
6
Reserved  
Short Distance (S)  
Intermediate  
Distance (S)  
SONET  
Compliance  
Codes  
7
7
5
4
4
4
3
2
Reserved  
Long Distance (L)  
OC-48 long  
reach  
Fiber Channel Transmit Technology  
OC-48  
4
1
intermediate  
reach  
7
3-2  
Reserved  
OC-48 short  
reach  
Longwave Laser  
(LC)  
4
5
0
7
7
7
1
0
Electrical inter-  
enclosure (EL)  
Reserved  
OC-12 single  
mode long  
reach  
Electrical inter-  
enclosure (EL)  
5
5
6
5
8
8
7
6
OC-12 single  
mode  
intermediate  
reach  
Shortwave Laser  
w/o OFC (SL)  
OC-12 short  
mode  
intermediate  
reach  
Shortwave laser w/  
OFC (SL)  
5
4
8
5
Longwave laser  
(LL)  
5
5
3
2
Reserved  
8
8
4
OC-3, single  
mode long  
reach  
0-3  
Reserved  
OC-3, single  
mode  
intermediate  
reach  
5
5
1
0
OC-3, single  
mode short  
reach  
Fibre Channel Transmission Media  
Twin Axel Pair  
(TW)  
9
7
20-Sept-2006  
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Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 15. Transceiver Codes (Sheet 2 of 2)  
Description of  
Transceiver  
Description of  
Transceiver  
Data  
Bit (Note 1)  
Data Addr  
Bit (Note 1)  
Shielded twisted  
pair (TP)  
9
6
Miniature coax  
(MI)  
9
9
9
5
4
3
6
6
7-4  
Reserved  
Video coax (TV)  
Multi-mode, 62.5µ  
(M6)  
3
2
1000BASE-T  
Multi-mode, 50µ  
(M5)  
6
1000BASE-CX  
9
2
6
6
1
0
1000BASE-LX  
1000BASE-SX  
9
9
1
0
Reserved  
Single mode (SM)  
Fibre Channel Speed  
10  
10  
10  
10  
10  
10  
7-5  
4
Reserved  
400 MBytes/Sec  
Reserved  
3
2
200 MBytes/Sec  
Reserved  
1
0
100 MBytes/Secc  
Note: Bit 7 is the high order bit and is transmitted first in each byte.  
Table 16 defines the method to interpret and the optional SFP signals that are implemented in the  
TXN31111 Optical Transceiver.  
Table 16. Option Values  
Value  
64  
Bit  
7-0  
Description of Physical Device  
Reserved  
Reserved  
65  
7-6  
RATE_SELECT is implemented if a bit is set. Active control of the rate select pin is  
required to change rates. If a bit is not set, no control of the pin is required. In all cases,  
compliance with multiple rate standards should be determined by the Transceiver Codes  
in Bytes 4,5,6, and 10. (See Table 15)  
65  
5
65  
65  
4
3
TX_DISABLE is implemented and disables the serial output.  
TX_FAULT signal implemented. (Reset is defined in Section 4.0, “Termination” on  
page 14.)  
Loss of signal is defined per the SFP MSA.  
Signal Detect is implemented, the signal is inverted.  
65  
2
NOTE: This is not standard SFP behavior.  
Loss of signal implemented (see Table 8)  
Reserved  
65  
65  
1
0
Datasheet  
20-Sept-2006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
23  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Table 17 defines the method to interpret the manufacturing date stored in the EEPROM Date Code  
section.  
Table 17. Date Code  
Data Address Description of Field  
84-85  
86-87  
88-89  
90-91  
ASCII code, two low order digits of year (00 = 2000)  
ASCII code, digits of month (01 = Jan through 12 = Dec)  
ASCII code, day of month (01-31)  
ASCII code, vendor specific lot code, may be blank  
20-Sept-2006  
24  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
7.0  
Mechanical Specification  
Figure 4 shows the mechanical specifications of the TXN31111 Optical Transceiver. The  
dimensions comply with the SFP Multisource Agreement. All dimensions are in millimeters.  
Note:  
Aqueous wash is not applicable for this product  
Figure 4.  
SFP Mechanical Specifications  
Datasheet  
20-Sept-2006  
25  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
8.0  
Regulatory Compliance  
This section discusses the following topics:  
• Section 8.1, “Electromagnetic Compatibility Compliance” on page 26  
• Section 8.2, “Safety Compliance” on page 27  
• Section 8.3, “Lead-Free Conformance” on page 28  
• Section 8.4, “Compliance with Restriction of Hazardous Substances” on page 28  
• Section 8.5, “Product Certification Markings and Compliance Statements” on page 29  
8.1  
Electromagnetic Compatibility Compliance  
Table 18 lists emissions and immunity regulations with which the TXN31111 Optical Transceiver  
complies when tested in a representative chassis.  
Table 18.  
Electromagnetic Compatibility Compliance  
Requirement  
Regulation  
Performance Level  
•
•
FCC rules, Part 15,  
subpart B  
Meets Class B limits with a minimum  
6 dB margin  
Electromagnetic interference (EMI)  
EN 55022  
± 2 kV contact discharge to connector  
electrical pins with no degradation in  
performance or loss of function  
JEDEC JESD22-A114-B  
Human Body Model  
•
•
± 8 kV air discharge  
Electrostatic discharge (ESD)  
± 4 kV contact discharge to face plate  
EN 61000-4-2  
Meets Level A test criteria (that is, no  
degradation of performance or loss of  
function occurs)  
10 V/m from 80 MHz to 1 GHz with no  
degradation of performance or loss of  
function  
Radio frequency electromagnetic  
field (Radiated immunity)  
EN 61000-4-3,  
level A test criteria  
20-Sept-2006  
26  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
8.2  
Safety Compliance  
Table 19 lists and describes the relevant safety regulations with which the TXN31111 Optical  
Transceiver complies.  
Table 19.  
Safety Compliance  
Requirement  
Regulation  
Title  
UL 60950-1:2003 /  
Information Technology Equipment – Safety - Part 1:  
General Requirements (USA and Canada)  
CSA C22.2 No. 60950-1-03  
Information Technology Equipment – Safety - Part 1:  
General Requirements (European Union)  
Product Safety  
EN 60950-1:2002  
IEC 60950-1:2001  
Information Technology Equipment – Safety - Part 1:  
General Requirements (International)  
Title 21 Chapter I Subchapter J –  
21CFR1040.10  
Radiological Health Part 1040:  
Performance Standards for Light-Emitting Products  
Safety of Laser Products - Part 1:  
Equipment Classification, Requirements and User's Guide  
EN 60825-1: 1994 +A1 +A2  
IEC 60825-1: 1993 +A1 +A2  
EN 60825-2: 2000  
Laser Safety  
Safety of Laser Products - Part 1:  
Equipment Classification, Requirements and User's Guide  
Safety of Laser Products - Part 2:  
Safety of Optical Fiber Communication Systems  
Safety of Laser Products - Part 2:  
Safety of Optical Fiber Communication Systems  
IEC 60825-2: 2000  
Datasheet  
20-Sept-2006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
27  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
8.3  
Lead-Free Conformance  
The TXN31111 Optical Transceiver uses a lead-free assembly, although certain discrete  
components within the assembly may contain lead, being necessary for either component  
performance or reliability. The TXN31111 Optical Transceiver is referred to as a “Lead-free 2nd  
Level Interconnect.” The enclosure, circuit board substrate, and the solder connections from the  
circuit board to the components (second-level connections) are all lead-free.  
Table 20 lists various forms of the “Lead-Free 2nd Level Interconnect” marking for the TXN31111  
Optical Transceiver and accompanying collateral.  
Table 20.  
Lead-Free 2nd-Level Interconnect Markings  
Description  
Marking  
Lead-Free 2nd Level Interconnect:  
The Lead-Free 2nd Level Interconnect  
symbol is used to identify electrical and  
electronic assemblies and components  
in which the lead (Pb) concentration  
level in the circuit board substrate and  
the solder connections from the circuit  
board to the components (second-level  
interconnect) are not greater than 0.1%  
by weight (1000 ppm).  
or  
or  
Note: Any of the three symbols  
shown may be used, as space  
permits.  
8.4  
Compliance with Restriction of Hazardous Substances  
This product complies with the European Union directive for Restriction of Hazardous Substances  
(RoHS) – Restriction on the Use of Certain Hazardous Substances in Electrical and Electronic  
Equipment, Directive 2002/95/EC plus amendments.  
However, certain discrete components do contain lead (a RoHS-restricted substance) in amounts  
that exceed threshold concentration levels. This product uses the following applicable RoHS  
technology exemptions:  
• Lead in optical and filter glass, and  
• Lead in glass of electronic components  
Note:  
RoHS implementation details are subject to change.  
20-Sept-2006  
28  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
8.5  
Product Certification Markings and Compliance Statements  
Table 21 lists the TXN31111 Optical Transceiver product certification markings and compliance  
statements.  
Table 21.  
Product Certification Markings and Compliance Statements  
Origin and Description  
Markings and Compliance Statements  
Markings  
CE mark.  
The CE (Conformité Européene*) mark indicates  
compliance to the European Union Low Voltage directive  
(73/23/EEC).  
TÜV Rheinland type approval mark for components and  
subassemblies for the European Union.  
The Technischer Überwachungsverein* (TÜV – German for  
“Technical Inspection Association”) Rheinland type approval  
mark is for components and subassemblies for the  
European Union.  
Where space does not permit, the smaller alternate TÜV  
mark (see the next row in this table) may be used.  
TÜV Rheinland type approval mark for components and  
subassemblies for the European Union – Alternate.  
Alternate TÜV mark:  
This alternate mark may be used where space constraints  
exist that do not permit use of the TUV Rheinland mark in  
the previous row of this table.  
UL Recognized Component mark for the USA and Canada.  
Compliance Statements  
Complies with 21CFR 1040.10 and 1040.11  
except for deviations pursuant to Laser Notice  
No. 50, dated July 26, 2001.  
USA Food and Drug Administration (FDA), Center for  
Devices and Radiological Health compliance statement.  
Alternate FDA compliance statement:  
USA FDA, Center for Devices and Radiological Health  
Complies with FDA performance standards for  
laser products except for deviations pursuant to  
Laser Notice No. 50, dated July 26, 2001.  
compliance statement – Alternate.  
Use the alternate statement listed, as needed.  
Datasheet  
20-Sept-2006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
29  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
9.0  
Ordering Information  
Table 22 lists ordering information for the RoHS-compliant TXN3111101 Optical Transceiver.  
Table 22. Ordering Information  
Part Number  
Intel® TXN311110100xxx  
Note:  
Description  
Tri-rate 2/1 Gbps Fibre Channel and Gigabit Ethernet SFP module1  
1. The last 3 characters of the part number ("xxx") are used to designate customer-specific  
customizations. The Intel standard part has "000" as the last three characters.  
20-Sept-2006  
30  
Datasheet  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
10.0  
Acronyms  
Table 23.  
Acronyms  
Acronym  
Meaning  
BER  
CFR  
CML  
EMI  
Bit Error Rate  
Code of Federal Relations  
Current Mode Logic  
Electro-Magnetic Interference  
Electro-Static Discharge  
European Union  
ESD  
EU  
FC-PI  
FCC  
FDA  
GBIC  
IEC  
Fiber Channel – Physical Interfaces  
Federal Communications Commission  
Food and Drug Administration  
GigaBit Interface Converter  
International Electrotechnical Commission  
Institute of Electrical and Electronics Engineers  
Loss of Signal  
IEEE  
LOS  
MMF  
MSA  
NRZ  
Pb  
Multi-Mode Fiber  
Multisource Agreement  
Non-Return to Zero  
Lead  
PCB  
PRBS  
RFI  
Printed Circuit Board  
Pseudo Random Bit Sequence  
Radio Frequency Immunity  
Small-Form Factor  
SFF  
SCSI  
SONET  
TOSA  
TTL  
Small Computer System Interface  
Synchronous Optical Network  
Transmitter Optical Sub-Assembly  
Transistor-Transistor Logic  
Technischer Überwachungsverein  
Underwriter Laboratories*  
Vertical Cavity Surface Emitting Laser  
TUV  
UL  
VCSEL  
§ §  
Datasheet  
20-Sept-2006  
31  
Intel® TXN31111 Tri-Rate 850 nm Optical Transceiver  
Order Number: 280049, Revision: 006  
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