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TXN31111D100000

型号：

TXN31111D100000

品牌：

EMCORE[ EMCORE CORPORATION ]

页数：

30 页

PDF大小：

438 K

下载PDF手册
Intel® TXN31111D1 Tri-Rate 850 nm Optical  
Transceiver - SFP* MSA Compatible  
Datasheet  
The Intel® LC Small Form Factor Pluggable (SFP) optical transceivers are high-performance integrated  
modules for bi-directional communication over Multimode optical fiber.  
The Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver (called hereafter the TXN31111D1  
Optical Transceiver) is specifically designed for high-speed Fibre Channel data links at 2.125 Gbps, 1x  
Fibre Channel and Gigabit Ethernet rates.  
The TXN31111D1 Optical Transceiver has an LC receptacle compatible with the industry-standard LC  
connector. The TXN31111D1 Optical Transceiver is Class 1 laser safety compliant with FDA Radiation  
Performance Standards, 21 CFR 1040.10, and international standards IEC 60825-1 and IEC 60825-2.  
Product Features  
„ Compliant with the Fibre Channel FC-PI  
„ Transmitter Disable Input  
„ AC-coupled CML Level Input/Output  
„ Single +3.3 V Power Supply  
Standard  
„ 2.125/1.0625 Gbps Fibre Channel and 1.25  
Gbps Ethernet Compliant  
„ Class 1 Laser Safety Product  
„ Compatible with the SFP Multisource  
„ IEC/UL 60950-1 Safety Certified  
„ Designed and verified as RoHS compliant  
„ China RoHS compliant with 30-year EFUP  
„ Digital Diagnostics Support  
Agreement (MSA) Specification  
„ Hot pluggable  
„ 850 nm VCSEL emitter  
„ TTL Loss of Signal (LOS) Output  
Applications  
„ Fibre Channel Switch  
„ 1 GbE Ethernet Switch  
Order Number: 317116, Revision: 001US  
25-April-2007  
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.  
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Intel reserves these for  
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.  
Intel processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different  
processor families. See http://www.intel.com/products/processor_number for details.  
The Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible 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 of Intel Corporation in the U.S. and other countries.  
*Other names and brands may be claimed as the property of others.  
Copyright © 2007, Intel Corporation. All Rights Reserved.  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
2
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Contents  
1.0 Introduction..............................................................................................................7  
2.0 Specifications............................................................................................................8  
2.1  
2.2  
Maximum Ratings and Recommended Operating Conditions ......................................8  
Electrical Characteristics.......................................................................................9  
3.0 Electrical Interface.................................................................................................. 12  
4.0 Termination............................................................................................................. 14  
4.1  
4.2  
Types of I/O Interfaces ...................................................................................... 14  
CML Termination............................................................................................... 14  
5.0 SFP Timing Parameters ........................................................................................... 16  
6.0 Digital Diagnostic Monitoring Interface ................................................................... 17  
6.1  
6.2  
6.3  
6.4  
Overview of Digital Diagnostic Monitoring Interface................................................ 17  
General Memory Map Descriptions....................................................................... 18  
Alarm and Warning Fields for 2-Wire Interface Address A2h .................................... 19  
A/D Fields for 2-Wire Interface Address A2h.......................................................... 21  
7.0 Mechanical Specification.......................................................................................... 22  
8.0 Regulatory Compliance............................................................................................ 23  
8.1  
8.2  
8.3  
8.4  
8.5  
Electromagnetic Compatibility Compliance ............................................................ 23  
Safety Compliance............................................................................................. 24  
Lead-Free Conformance ..................................................................................... 25  
Compliance with Restriction of Hazardous Substances (RoHS) ................................. 25  
Management Methods on Control of Pollution from Electronic Information Products  
(a.k.a. China RoHS)........................................................................................... 26  
Product Certification Markings and Compliance Statements ..................................... 27  
8.6  
9.0 Ordering Information .............................................................................................. 28  
10.0 Acronyms ................................................................................................................ 29  
Figures  
1
2
3
4
Electrical Interface Pin Numbers and Names ................................................................ 12  
Circuit Diagram for CML Termination on Receiver Output............................................... 14  
Circuit Diagram for CML Termination on Transmitter Input............................................. 15  
SFP Mechanical Specifications.................................................................................... 22  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
3
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Tables  
1
2
3
4
5
6
7
8
9
Absolute Maximum Ratings......................................................................................... 8  
Recommended Operating Conditions............................................................................ 8  
Electrical Characteristics – Power and Current ............................................................... 9  
Electrical Characteristics – Transmitter......................................................................... 9  
Electrical Characteristics – Receiver ............................................................................10  
Electrical Characteristics – 2-Wire Interface .................................................................10  
Fiber Length Specifications ........................................................................................10  
Optical Specifications – Transmitter ............................................................................11  
Optical Specifications – Receiver.................................................................................11  
10 Plug Sequence: Pin Engagement Sequence during Hot Plugging......................................12  
11 Timing Parameters for SFP Management......................................................................16  
12 Memory Map – 2-Wire Address Range Descriptions .......................................................18  
13 Alarm and Warning Fields – 2-Wire Address A2h, Address 0-95 ......................................19  
14 A/D Fields – 2-Wire Address A2h, Addresses 96-109 .....................................................21  
15 A/D Status/Control Bits – 2-Wire Address A2h, Address 110...........................................21  
16 Electromagnetic Compatibility Compliance ..................................................................23  
17 Safety Compliance....................................................................................................24  
18 Lead-Free 2nd-Level Interconnect Markings ..................................................................25  
19 Hazardous Substances Table......................................................................................26  
20 Product Certification Markings and Compliance Statements ............................................27  
21 Ordering Information ................................................................................................28  
22 Acronyms................................................................................................................29  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
4
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Revision History  
Date  
Revision  
Description  
18-April-2007  
001  
Initial release of document  
§ §  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
5
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
6
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
1.0  
Introduction  
The Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
(called hereafter the TXN31111D1 Optical Transceiver) is specifically designed for  
high-speed Fibre Channel and Gigabit Ethernet links at up to 2.125 Gbps (2x Fibre  
Channel rate).  
This document discusses the following TXN31111D1 Optical Transceiver topics:  
• Section 2.0, “Specifications” on page 8  
• Section 3.0, “Electrical Interface” on page 12  
• Section 4.0, “Termination” on page 14  
• Section 5.0, “SFP Timing Parameters” on page 16  
• Section 6.0, “Digital Diagnostic Monitoring Interface” on page 17  
• Section 7.0, “Mechanical Specification” on page 22  
• Section 8.0, “Regulatory Compliance” on page 23  
• Section 9.0, “Ordering Information” on page 28  
• Section 10.0, “Acronyms” on page 29  
For information on standards that apply to the TXN31111D1 Optical Transceiver, see  
the following references:  
• “Diagnostic Monitoring Interface for Optical Xcvrs”. SFF Document Number  
SFF-8472, Revision 9.3.  
• 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  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
25-April-2007  
Order Number: 317116, Revision: 001US  
7
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
2.0  
Specifications  
Specifications include the following:  
• Section 2.1, “Maximum Ratings and Recommended Operating Conditions” on  
page 8  
• Section 2.2, “Electrical Characteristics” on page 9  
• Section , “Table 5 lists the TXN31111D1 Optical Transceiver receiver electrical  
characteristics. Table 6 lists the TXN31111D1 Optical Transceiver 2-Wire Interface  
electrical characteristics. Optical Specifications” on page 10  
2.1  
Maximum Ratings and Recommended Operating  
Conditions  
Table 1 lists the absolute maximum ratings for the TXN31111D1 Optical Transceiver.  
Table 1.  
Absolute Maximum Ratings  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
Storage Temperature  
Relative Humidity  
Supply Voltage  
T
-40  
5
–
–
–
–
–
85  
°C  
%
–
s
RH  
95  
4
–
V T, R  
cc  
-0.5  
–
V
–
Data AC Voltage  
TD+ and TD-  
Vi  
2.2  
Vpp  
V
Differential  
–
Control Input Voltage  
-0.5  
Vcc + 0.3  
Caution:  
Exceeding these values may cause permanent damage. Functional  
operation under these conditions is not implied.  
Table 2 lists the recommended operating conditions. (Minimum and maximum values  
listed in Table 3 through Table 9 apply over the recommended operating conditions  
specified in Table 2.)  
Table 2.  
Recommended Operating Conditions  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Case Temperature  
Supply Voltage  
Data Rate  
T
-20  
2.97  
–
3.3  
–
85  
°C  
c
V T, R  
cc  
3.63  
2.125  
VDC  
Gbps  
–
1.0625  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
8
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
2.2  
Electrical Characteristics  
The minimum and maximum values in this section apply over the following  
recommended temperature and voltage range (from Table 2, “Recommended Operating  
Conditions” on page 8).  
-20 °C < Tc < 85 °C, 3.0 V < Vcc < 3.6 V  
Table 3 lists the TXN31111D1 Optical Transceiver electrical characteristics for power  
and current.To be updated once "total current" info is availableTable 4 lists the  
Table 3.  
Electrical Characteristics – Power and Current  
Parameter  
Symbol  
Min  
Typ  
Max  
Units Notes  
170  
–
mA  
mA  
mW  
T = 20°C, V = 3.3 V  
c cc  
Supply Current  
l
–
cc  
220  
800  
–
–
Power Dissipation  
Pdiss  
–
–
570  
10 kHz to 4 MHz  
with supply filter  
Supply Noise Rejection  
100  
–
–
–
mV  
Hot plugging of the  
TXN31111D1 Optical  
Transceiver results in the  
inrush current of no more  
than 30 mA greater than the  
steady state value.  
Inrush Current  
–
–
30  
mA  
TXN31111D1 Optical Transceiver transmitter electrical characteristics.  
Table 4.  
Electrical Characteristics – Transmitter  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
CML Input (Single Ended)  
CML Input (Differential)  
–
–
250  
500  
–
–
1100  
2200  
mVpp  
mVpp  
AC coupled inputs  
Peak-to-peak voltage  
Input Impedance  
(differential)  
Z
V
85  
2
100  
–
115  
Ω
V
V
V
V
–
–
–
IN  
IH  
TX_DISABLE input voltage -  
High  
V
+ 0.3  
cc  
TX_DISABLE input voltage -  
Low  
V
0
–
0.6  
IL  
TX_Fault Output Voltage -  
High  
Vcc +  
0.3  
IOH = 40 µA,  
1 TTL Unit Load  
V
2.0  
0
–
OH  
TX_Fault Output Voltage -  
Low  
IOL = -1.6 mA,  
1 TTL Unit Load  
V
–
0.8  
OL  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
9
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Table 5 lists the TXN31111D1 Optical Transceiver receiver electrical characteristics.  
Table 5.  
Electrical Characteristics – Receiver  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
CML Output (Single Ended)  
CML Output (Differential)  
CML Output rise/fall time  
–
–
–
250  
500  
–
300  
600  
–
500  
1000  
150  
mVpp  
mVpp  
ps  
AC-coupled outputs  
Peak-to-peak voltage  
20% - 80%  
Output Impedance  
(differential)  
Zout  
–
85  
0
100  
–
115  
0.8  
Ω
V
V
–
I
= -1.6 mA,  
OL  
TTL LOS Output - Low  
TTL LOS Output - High  
1 TTL Unit Load  
V
+
0.3  
I
40 μA,  
OL =  
CC  
V
2.0  
–
OH  
1 TTL Unit Load  
Deterministic Jitter  
Total Jitter  
DJ  
TJ  
170  
266  
ps  
ps  
–
–
–
–
Table 6 lists the TXN31111D1 Optical Transceiver 2-Wire Interface electrical  
characteristics. Optical Specifications  
Table 6.  
Electrical Characteristics – 2-Wire Interface  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
V
+
CC  
V
2.5  
0
–
–
–
V
V
Ω
With Serial ID  
–
OH  
0.3  
MOD_DEF (0:2)  
V
0.5  
–
OL  
Measured to RGND/  
TGND  
NC  
100 K  
Table 7 lists the TXN31111D1 Optical Transceiver fiber length specifications.  
Table 7.  
Fiber Length Specifications  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
1.0625,  
1.25,  
2.125  
Data rate  
BR  
Gbps  
1
4
Bit Error Rate  
BER  
L
10-12  
500  
300  
2
3
50 µm/125 µm MMF  
2
2
–
–
m
m
300  
150  
2
3
62.5 µm/125 µm MMF  
L
NOTES:  
1. 1000BASE-SX compatible per IEEE802.3 and 1x and 2x Fibre Channel compatible per FC-PI-2  
2. Data rates at 1000BASE-SX Gigabit Ethernet and 1.0625 Gbps  
3. Data rates at 2.125 Gbps Fibre Channel.  
4. Data rate at 2.125 Gbps with 27 - 1 PRBS pattern.  
Table 8 lists the TXN31111D1 Optical Transceiver transmitter optical specifications.  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
10  
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Table 8.  
Optical Specifications – Transmitter  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
Optical Transmit Power  
(50 or 62.5 µm MMF)  
Popt  
-8  
-5  
-1.1  
dBm  
Average launch power  
Optical Center Wavelength  
Spectral Width  
830  
–
850  
–
860  
0.85  
–
nm  
nm  
–
–
RMS  
pk-pk  
–
Optical Modulation Amplitude  
Relative Intensity Noise  
OMA  
RIN  
247  
–
–
µW  
–
-118  
dB/Hz  
Deterministic Jitter  
Total Jitter  
DJ  
TJ  
80  
ps  
ps  
–
–
–
–
–
–
227  
20 - 80% values,  
measured unfiltered  
Output Rise/Fall Time  
tR, tF  
130  
ps  
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  
Table 9 lists the TXN31111D1 Optical Transceiver receiver optical specifications.  
Table 9.  
Optical Specifications – Receiver  
Parameter  
Symbol  
Min  
Typ  
Max  
Units  
Notes  
Optical Input  
Wavelength  
–
770  
–
860  
nm  
–
1.0625, 1.25, and 2.125 Gbps  
Test conditions:  
Receiver Sensitivity  
Pr  
-18  
-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  
Receiver Overload  
Optical Return Loss  
–
–
–
–
0
–
dBm  
dB  
–
–
ORL  
12  
Measured on transition -  
low to high  
LOS - Asserted  
Pa  
-29  
–
–
dB  
Measured on transition -  
high to low  
LOS - De-asserted  
LOS - Hysteresis  
Pd  
–
1
–
–
-17  
5
dBm  
dB  
Pa - Pd  
–
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
11  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
3.0  
Electrical Interface  
Figure 1 shows the TXN31111D1 Optical Transceiver electrical interface pin numbers  
and names.  
Figure 1.  
Electrical Interface Pin Numbers and Names  
B3242-01  
Table 10 lists the plug sequence to follow during hot plugging, as well as pin functions.  
Table 10.  
Plug Sequence: Pin Engagement Sequence during Hot Plugging (Sheet 1 of 2)  
Pin  
Number  
Plug  
Sequence  
Pin Name  
Pin Function  
Notes  
1
2
V T  
Transmitter Ground  
1
3
–
ee  
Transmitter Fault  
Indication  
TX_FAULT  
Note 1  
Note 2: Transmitter disables on high  
or open  
3
TX_DISABLE  
Transmitter Disable  
3
4
5
MOD_DEF (2)  
MOD_DEF (1)  
MOD_DEF (0)  
RATE SELECT  
LOS  
Module Definition 2  
Module Definition 1  
Module Definition 0  
–
3
3
3
3
3
1
1
1
Note 3: Wire Serial ID interface  
Note 3: Wire Serial ID interface  
6
Note 3: Ground  
7
Note 4  
8
Loss of Signal  
Note 5  
9
V
R
R
R
Receiver Ground  
Receiver Ground  
Receiver Ground  
–
–
–
ee  
10  
11  
V
ee  
V
ee  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
12  
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Table 10.  
Plug Sequence: Pin Engagement Sequence during Hot Plugging (Sheet 2 of 2)  
Pin  
Number  
Plug  
Sequence  
Pin Name  
Pin Function  
Notes  
Inverted Received Data  
out  
12  
13  
RD-  
RD+  
3
3
Note 6  
Note 6  
Non-Inverted Received  
Data out  
14  
15  
V
R
Receiver Ground  
Receiver Power  
1
2
2
1
3
3
1
–
ee  
V R  
Note 7  
Note 7  
–
cc  
16  
V T  
Transmitter Power  
Transmitter Ground  
Non-inverted Data In  
Inverted Data In  
Transmitter Ground  
cc  
17  
V T  
ee  
18  
TD+  
TD-  
Note 8  
Note 8  
–
19  
20  
V T  
ee  
NOTES:  
1. TX FAULT is an open collector output that is pulled up with a 4.7 K - 10 K W resistor on the host board. Use  
a pull-up voltage between 2.0 V and V T, R+0.3 V.  
cc  
•
•
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  
TXN31111D1 Optical Transceiver with a 4.7 K - 10 K W resistor. The states are as follows:  
•
•
•
Low (0 - 0.6 V): Transmitter Enabled  
(>0.8, <2.0 V): Undefined  
High (2.0 - 3.465 V): Transmitter Disabled  
3. MOD-DEF 0, 1, 2: These pins are definition pins for the TXN31111D1 Optical Transceiver. They are pulled  
up with a 4.7 K - 10 K W resistor on the host board. Use a pull-up voltage between 2.0 V and V T,  
cc  
R+0.3 V.  
•
MOD-DEF 0 is grounded by the TXN31111D1 Optical Transceiver to indicate the TXN31111D1 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 is not implemented in the TXN31111D1 Optical Transceiver. The  
TXN31111D1 Optical Transceiver is rate agile – that is, it meets the specifications for 1.0625 Gbps to  
2.125 Gbps data rates without the use of a rate-select pin.  
5. LOS (Loss of Signal) is an open collector output that is pulled up with a 4.7K – 10KW resistor on the host  
board.  
•
•
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 W differential lines that are  
terminated with 100 W (differential) at the user SerDes. The AC coupling is performed inside the  
TXN31111D1 Optical Transceiver and is therefore not required on the host board.  
7. V R and V T are the receiver and transmitter power supplies. Their values, which are listed in Table 2,  
cc  
cc  
“Recommended Operating Conditions” on page 8, are defined at the SFP connector pin. Maximum supply  
current is listed in Table 3, “Electrical Characteristics – Power and Current” on page 9. Hot plugging of the  
TXN31111D1 Optical Transceiver results in the inrush current listed in Table 3, “Electrical Characteristics –  
Power and Current” on page 9.  
8. TD-/+ are the differential transmitter inputs. They are AC-coupled differential lines with 100 W differential  
termination inside TXN31111D1 Optical Transceiver. The AC coupling is performed inside the TXN31111D1  
Optical Transceiver and is therefore not required on the host board.  
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4.0  
Termination  
4.1  
Types of I/O Interfaces  
The TXN31111D1 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.  
4.2  
CML Termination  
Figure 2 shows a circuit diagram for the CML termination for the TXN31111D1 Optical  
Transceiver receiver output. The TXN31111D1 Optical Transceiver has built in AC-  
coupling capacitors, which help prevent a direct current path from the TXN31111D1  
Optical Transceiver power supply to the SerDes input. (A direct current path could  
damage the ESD diodes on the SerDes.)  
• Internal termination. For the TXN31111D1 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  
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Figure 3 shows a circuit diagram for the CML termination for the TXN31111D1 Optical  
Transceiver transmitter input.  
Internal termination. The TXN31111D1 Optical Transceiver transmitter input has an  
internal 100 Ω termination between two inputs. AC-coupling capacitors are also built into  
the TXN31111D1 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  
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Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
5.0  
SFP Timing Parameters  
Table 11 lists the timing parameters for SFP management.  
Table 11.  
Timing Parameters for SFP Management  
Parameter  
Symbol  
Min  
Max  
Unit  
Conditions  
Time from rising edge of TX_DISABLE  
to when the optical output falls below  
10% of nominal  
TX_DISABLE assert time  
t_off  
–
10  
µs  
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  
–
–
300  
100  
ms  
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  
t_reset  
10  
–
µs  
RX_LOS Assert time  
RX_LOS De-assert time  
Serial ID Clock Rate  
t_loss_on  
t_loss_off  
f_serial_clock  
100  
100  
100  
µs  
Time from LOS state to RX_LOS assert  
Time from non-LOS state to RX_LOS  
de-assert  
–
µs  
–
kHz  
–
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6.0  
Digital Diagnostic Monitoring Interface  
This section includes the following topics:  
• Section 6.1, “Overview of Digital Diagnostic Monitoring Interface” on page 17  
• Section 6.2, “General Memory Map Descriptions” on page 18  
• Section 6.3, “Alarm and Warning Fields for 2-Wire Interface Address A2h” on  
page 19  
• Section 6.4, “A/D Fields for 2-Wire Interface Address A2h” on page 21  
6.1  
Overview of Digital Diagnostic Monitoring Interface  
The TXN31111D1 Optical Transceiver supports the 2-wire serial communication  
protocol. The TXN31111D1 Optical Transceiver has a digital diagnostic monitoring  
interface that is an extension of the serial ID interface defined in the Gigabit Interface  
Converter (GBIC) specification and the SFP Transceiver MultiSource Agreement (MSA)  
referenced in Section 1.0, “Introduction” on page 7.  
• Standard SFP serial ID interface. The standard SFP serial ID interface (the  
memory map for which is in Table 12, “Memory Map – 2-Wire Address Range  
Descriptions” on page 18) provides access to identification information using the 8-  
bit address 1010000X (A0h). The serial identification information describes  
information such as the following for the TXN31111D1 Optical Transceiver:  
capabilities, standard interfaces, and manufacturer information.  
• Digital diagnostic monitoring interface. The digital diagnostic monitor interface  
(the memory map for which is in Table 12, “Memory Map – 2-Wire Address Range  
Descriptions” on page 18) is an extension of the standard serial ID interface. This  
interface, which uses the 8-bit address 1010001X (A2h) reserved for optical  
transceivers, allows real-time access to device-operating parameters while leaving  
unchanged the original serial ID memory map A0h. The digital diagnostic  
monitoring interface is backward compatible with both the GBIC specification and  
the SFP MSA.  
Note:  
For details on the 2-wire addresses A0h and A2h, refer to the SFF-8472 document  
referenced in Section 1.0, “Introduction” on page 7.  
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6.2  
General Memory Map Descriptions  
Table 12 lists descriptions of address ranges for the serial ID memory map.  
• The 2-wire address A0h contains serial ID information defined by the SFP MSA.  
• The 2-wire address A2h contains data related to the digital diagnostics, defined by  
the SFF-8472 document referenced in Section 1.0, “Introduction” on page 7.  
Table 12.  
Memory Map – 2-Wire Address Range Descriptions  
2-Wire Address 1010000X (A0h)  
2-Wire Address 1010001X (A2h)  
Address  
Range  
Address Range Description  
(Standard Serial ID Information)  
Address  
Range  
Address Range Description  
(Digital Diagnostics Information)  
Alarm and Warning (40 bytes)  
0-39  
For details, see Table 13, “Alarm and Warning  
Fields – 2-Wire Address A2h, Address 0-95”.  
0-95  
Serial ID Defined SFP MSA (96 bytes)  
Vendor Specific / Calibration Constants  
(56 bytes)  
40-95  
For details, see Table 13, “Alarm and Warning  
Fields – 2-Wire Address A2h, Address 0-95”.  
Real Time Digital Diagnostics Interface  
(24 bytes)  
For details, see the following:  
•
Table 14, “A/D Fields – 2-Wire Address  
A2h, Addresses 96-109” on page 21  
96-119  
96-127  
Vendor Specific (32 bytes)  
•
Table 15, “A/D Status/Control Bits – 2-  
Wire Address A2h, Address 110” on  
page 21  
120-127  
128-247  
248-255  
Vendor Specific (8 bytes)  
User Writable EEPROM (120 bytes)  
Vendor Specific (8 bytes)  
128-255  
Reserved in SFP MSA (128 bytes)  
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6.3  
Alarm and Warning Fields for 2-Wire Interface Address  
A2h  
Table 13 is a more detailed memory map of the 2-wire interface address A2h for the  
Alarm and Warning fields, address range 0 to 95.  
Table 13.  
Alarm and Warning Fields – 2-Wire Address A2h, Address 0-95 (Sheet 1 of 2)  
Data  
Address  
Field Size  
(Bytes)  
Field Name  
Field Description  
Base ID Fields  
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Temperature High alarm  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
1
LSB  
2
Temperature Low alarm  
3
LSB  
4
Temperature High Warning  
5
LSB  
6
Temperature Low Warning  
7
LSB  
8
Vcc High Alarm  
9
LSB  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
Vcc Low Alarm  
LSB  
Vcc High Warning  
LSB  
Vcc Low Warning  
LSB  
Bias High Alarm  
LSB  
Bias Low Alarm  
LSB  
Tx Bias High Warning  
LSB  
Tx Bias Low Warning  
LSB  
Tx Power High Alarm  
LSB  
Tx Power Low Alarm  
LSB  
Tx Power High Warning  
LSB  
Tx Power Low Warning  
LSB  
Rx Power High Alarm  
LSB  
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Table 13.  
Alarm and Warning Fields – 2-Wire Address A2h, Address 0-95 (Sheet 2 of 2)  
Data  
Address  
Field Size  
(Bytes)  
Field Name  
Field Description  
34  
35  
1
1
Rx Power Low Alarm  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
MSB at low address  
–
LSB  
36  
1
Rx Power High Warning  
LSB  
37  
1
38  
1
Rx Power Low Warning  
LSB  
39  
1
40-55  
56-95  
16  
40  
Vendor-Specific  
Calibration Constants  
–
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6.4  
A/D Fields for 2-Wire Interface Address A2h  
Table 14 lists descriptions of the analog-to-digital (A/D) fields for the 2-wire interface  
address A2h, data addresses 96 to 109.  
Table 14.  
A/D Fields – 2-Wire Address A2h, Addresses 96-109  
Field  
Data  
Size  
Field Name  
Field Description  
Address  
(Bytes)  
Signed 2's complement integer ºC (-40 to +125).  
Based on internal temperature measurement.  
96  
1
Temperature MSB  
97  
98  
1
1
Temperature LSB  
Vcc MSB  
Fractional part of temperature (count/256)  
Internally measured supply voltage in transceiver.  
Voltage reading is full 16-bit value × 100 µVolt.  
99  
100  
1
1
1
1
1
1
1
4
Vcc LSB  
(Yields range of 0 to 6.55V)  
TX Bias MSB  
TX Bias LSB  
TX power MSB  
TX power LSB  
RX Power MSB  
RX Power LSB  
Reserved  
Measured Laser Bias Current in mA.  
Bias current is full 16-bit value × 2 µA.  
(Full range of 0 to +131 mA)  
101  
102  
Measure TX output power in mW.  
TX power is full 16-bit value × 0.1 µW.  
(Full range of -40 to +8.2 dBm)  
103  
104  
Measured RX input power in mW.  
RX power is full 16-bit value × 0.1 µW.  
(Full range of -40 to +8.2dBm)  
105  
106-109  
–
Table 15 lists descriptions of the A/D status/control bits for the 2-wire interface address  
A2h, data address 110.  
Table 15.  
A/D Status/Control Bits – 2-Wire Address A2h, Address 110  
Data  
Address  
Bit  
Bit Name  
Bit Description  
110  
110  
110  
2
1
0
Tx Fault  
LOS  
Digital State of Tx Fault Output  
Digital State of LOS  
Data Ready Bar  
Indicates transceiver has achieved power up and is ready.  
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7.0  
Mechanical Specification  
Figure 4 shows the TXN31111D1 Optical Transceiver SFP mechanical specifications. The  
dimensions comply with the SFP Multisource Agreement (MSA).  
Note:  
Aqueous wash is not applicable for this product.  
Figure 4.  
SFP Mechanical Specifications  
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8.0  
Regulatory Compliance  
This section discusses the following topics:  
• Section 8.1, “Electromagnetic Compatibility Compliance” on page 23  
• Section 8.2, “Safety Compliance” on page 24  
• Section 8.3, “Lead-Free Conformance” on page 25  
• Section 8.4, “Compliance with Restriction of Hazardous Substances (RoHS)” on  
page 25  
• Section 8.5, “Management Methods on Control of Pollution from Electronic  
Information Products (a.k.a. China RoHS)” on page 26  
• Section 8.6, “Product Certification Markings and Compliance Statements” on  
page 27  
8.1  
Electromagnetic Compatibility Compliance  
Table 16 lists emissions and immunity regulations with which the TXN31111D1 Optical  
Transceiver complies when tested in a representative chassis.  
Table 16.  
Electromagnetic Compatibility Compliance  
Requirement  
Regulation  
Performance Level  
•
•
FCC rules, Part 15,  
subpart B  
EN 55022  
Meets Class B limits with a minimum  
6 dB margin  
Electromagnetic interference (EMI)  
± 2 kV contact discharge to connector  
electrical pins with no degradation in  
performance or loss of function  
JEDEC JESD22-A114-B  
Human Body Model  
•
•
± 15 kV air discharge  
± 8 kV contact discharge to face  
plate  
Electrostatic discharge (ESD)  
Meets Level B test criteria (that is, no  
degradation of performance or loss of  
function occurs).  
EN 61000-4-2  
Note: Actual ESD may vary, depending  
on system configuration.  
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  
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8.2  
Safety Compliance  
Table 17 lists and describes the relevant safety regulations with which the TXN31111D1  
Optical Transceiver complies.  
Table 17.  
Safety Compliance  
Requirement  
Regulation  
Title  
UL 60950-1  
Information Technology Equipment – Safety - Part 1:  
General Requirements (USA and Canada)  
CSA C22.2 No. 60950-1  
EN 60950-1+A11  
Information Technology Equipment – Safety - Part 1:  
General Requirements (European Union)  
Product Safety  
Information Technology Equipment – Safety - Part 1:  
General Requirements (International)  
IEC 60950-1  
Compliant with the fire resistance requirements of  
Telcordia Technologies Generic Requirements GR-63-CORE  
document for discrete electronic components.  
GR-63-CORE Section 4.2,  
Clause 4.2.3.1  
Title 21 Chapter I Subchapter J –  
Radiological Health Part 1040:  
21CFR1040.10  
Performance Standards for Light-Emitting Products  
Safety of Laser Products - Part 1:  
EN 60825-1+A1 +A2  
IEC 60825-1+A1 +A2  
EN 60825-2  
Equipment Classification, Requirements and User's Guide  
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  
Caution:  
This device is a Class 1 laser product for use only under the recommended operating  
conditions and ratings specified in this document.  
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8.3  
Lead-Free Conformance  
The TXN31111D1 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 TXN31111D1 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 18 lists various forms of the “Lead-Free 2nd Level Interconnect” marking for the  
TXN31111D1 Optical Transceiver and accompanying collateral.  
Table 18.  
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  
(RoHS)  
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 (an 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  
• Lead in glass of electronic components  
Note: RoHS implementation details are subject to change.  
This product is RoHS 6 compliant, defined as complying with the restriction for all six  
listed substances by meeting strict threshold levels for those substances or through the  
use of the applicable exemptions listed above.  
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8.5  
Management Methods on Control of Pollution from  
Electronic Information Products (a.k.a. China RoHS)  
关于符合中国《电子信息产品污染控制管理办法》的声明  
Table 19.  
Hazardous Substances Table  
产品中有毒有害物质的名称及含量  
有毒有害物质或元素 (Hazardous Substance)  
多溴二苯醚  
(PBDE)  
铅
(Pb)  
汞
(Hg)  
镉
(Cd)  
多溴联苯  
(PBB)  
部件名称  
(Parts)  
六价铬  
(Cr(VI))  
集成光电器件  
Integrated optical circuit board  
×
○
○
○
○
○
○
○
○
○
○
assembly  
金属盒件  
Metal enclosure  
○
○：表示该有毒有害物质在该部件所有均质材料中的含量均在SJ/T 11363-  
2006标准规定的限量要求以下。  
○：Indicates that this hazardous substance contained in all homogeneous materials of this part is below the  
limit requirement in SJ/T 11363-2006.  
×：表示该有毒有害物质至少在该部件的某一均质材料中的含量超出SJ/T 11363-  
2006标准规定的限量要求。  
×：Indicates that this hazardous substance contained in at least one of the homogeneous materials of this  
part is above the limit requirement in SJ/T 11363-2006.  
对销售之日的所售产品,本表显示我公司供应链的电子信息产品可能包含这些物质。注意：在所售产  
品中可能会也可能不会含有所有所列的部件。  
This table shows where these substances may be found in the supply chain of our electronic information  
products, as of the date of sale of the enclosed product. Note that some of the component types listed above  
may or may not be a part of the enclosed product.  
除非另外特别的标注,此标志为针对所涉及产品的环保使用期限标志.此环保使用  
期限只适用于产品在产品手册中所规定的条件下工作.  
The Environment-Friendly Use Period (EFUP) for all enclosed products and their parts are per  
the symbol shown here, unless otherwise marked. The Environment-Friendly Use Period is  
valid only when the product is operated under the conditions defined in the product manual.  
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8.6  
Product Certification Markings and Compliance  
Statements  
Table 20 lists the TXN31111D1 Optical Transceiver product certification markings and  
compliance statements.  
Table 20.  
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 (2006/95/EC,  
formerly 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.  
Alternate TÜV mark:  
TÜV Rheinland type approval mark for components and  
subassemblies for the European Union – Alternate.  
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.  
China Environmental Friendly Use Period (EFUP) mark,  
where 30 in the marking denotes 30 years.  
Compliance Statements  
Complies with 21CFR 1040.10 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.  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
27  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
9.0  
Ordering Information  
Table 21 lists ordering information for the TXN31111D1 Optical Transceiver.  
Table 21.  
Ordering Information  
MM  
Number  
Product Number  
Description  
Tri-rate 2/1 Gbps Fibre Channel and Gigabit Ethernet SFP module with  
digital diagnostics feature compliant to RoHS 6  
TXN31111D100xxx1  
886003  
1. The last 3 characters of the part number ("xxx") are used to designate customer-specific customization.  
The Intel standard part has "000" as the last three characters.  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
28  
25-April-2007  
Order Number: 317116, Revision: 001US  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
10.0  
Acronyms  
Table 22.  
Acronyms  
Acronym  
Meaning  
A/D  
Analog-to-Digital  
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  
Fibre 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  
Multimode 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  
SFP  
Small Form-Factor Pluggable  
Small Computer System Interface  
Synchronous Optical Network  
Transmitter Optical Sub-Assembly  
Transistor-Transistor Logic  
Technischer Überwachungsverein  
Underwriter Laboratories*  
Vertical Cavity Surface Emitting Laser  
SCSI  
SONET  
TOSA  
TTL  
TUV  
UL  
VCSEL  
§ §  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
25-April-2007  
Order Number: 317116, Revision: 001US  
Datasheet  
29  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Intel® TXN31111D1 Tri-Rate 850 nm Optical Transceiver - SFP* MSA Compatible  
Datasheet  
30  
25-April-2007  
Order Number: 317116, Revision: 001US  
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