Intel
®
TXN31115 Quad-rate 850 nm
Optical Transceiver Compliant with SFP*
MSA and RoHS
Datasheet
The Intel
®
LC Small Form Factor Pluggable (SFP) optical transceivers are high performance
integrated modules for bi-directional communication over multi-mode optical fiber.
The Intel
®
TXN31115 Quad-rate 850 nm SFP Optical Transceiver (hereafter referred to as the
TXN31115 Optical Transceiver) is specifically designed for high-speed Fibre Channel data links
at 4.25 Gbps (4x Fibre Channel rate). The TXN31115 Optical Transceiver is also backwards
compatible with 2x and 1x Fibre Channel and Gigabit Ethernet rates. The TXN31115 Optical
Transceiver is provided with an LC receptacle that is compatible with the industry standard LC
connector.
The TXN31115 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
n
n
n
n
n
n
Compliant with the Fibre Channel FC-PI
Standard
4.25/2.125/1.0625 Gbps Fibre Channel and
1.25 Gbps Ethernet Compatible
Compliant with the SFP MSA
Specification
Hot pluggable
850 nm VCSEL emitter
TTL Loss of Signal (LOS) Output
n
n
n
n
n
n
n
n
Transmitter Disable Input
AC-coupled CML Level Input/Output
Single +3.3 V Power Supply
Class 1 Laser Safety Product
IEC/UL 60950-1 Safety Certified
Designed and verified as RoHS compliant
China RoHS compliant with 30-year EFUP
Digital Diagnostics Support
Applications
n
n
Fibre Channel Switch
Fibre Channel Host Bus Adapter
n
n
iSCSI Host Bus Adapter
Ethernet Switch
“ROHS compliant” indicates that when lead or other materials are used in a product, the
lead and other materials banned in the Restriction of Hazardous Substances (RoHS)
Directive are either (1) below all applicable substance thresholds as proposed by the
European Union (EU) or (2) an approved exemption applies.
Order Number: 280047, Revision: 007
04-May-2007
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.
Legal Lines and Disclaimers
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 TXN31115 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 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.
04-May-2007
2
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Order Number: 280047, Revision: 007
Datasheet
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Contents
1.0
1.1
1.2
2.0
3.0
3.1
3.2
4.0
4.1
4.2
4.3
4.4
5.0
6.0
6.1
6.2
6.3
6.4
6.5
6.6
7.0
8.0
Specifications
................................................................................................................................ 7
Module Specifications — Electrical............................................................................................... 7
Module Specifications — Optical .................................................................................................. 9
Electrical Interface.......................................................................................................................
11
Termination
.................................................................................................................................. 13
CML Termination ........................................................................................................................ 13
SFP Timing Parameters ............................................................................................................. 14
Serial Identification
..................................................................................................................... 16
Identifier ...................................................................................................................................... 18
Connector ................................................................................................................................... 18
Encoding..................................................................................................................................... 19
Transceiver ................................................................................................................................. 19
Mechanical Specification............................................................................................................
23
Regulatory Compliance
.............................................................................................................. 24
Electromagnetic Compatibility Compliance ................................................................................ 24
Safety Compliance...................................................................................................................... 25
Lead-Free Conformance............................................................................................................. 26
Compliance with Restriction of Hazardous Substances (RoHS) ................................................ 26
Management Methods on Control of Pollution from Electronic Information Products
(a.k.a. China RoHS)....................................................................................................................27
Product Certification Markings and Compliance Statements...................................................... 28
Ordering Information...................................................................................................................
29
Acronyms
..................................................................................................................................... 30
Datasheet
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Order Number: 280047, Revision: 007
04-May-2007
3
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Figures
1
2
3
4
Host Board Connector Block Pin Numbers and Names ................................ 11
Circuit Diagram for CML Termination on Module Receiver Output ............... 13
Circuit Diagram for CML Termination on Module Transmitter Input .............. 14
SFP Mechanical Specifications ..................................................................... 23
Tables
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Absolute Maximum Ratings ............................................................................. 7
Operating Condition Ratings ........................................................................... 7
Power Supply Characteristics.......................................................................... 7
Transmitter Electrical Characteristics .............................................................. 8
Receiver Electrical Characteristics .................................................................. 8
Minimum Transmission Distances ................................................................... 9
Transmitter Optical Characteristics ................................................................. 9
Receiver Optical Characteristics ..................................................................... 9
Plug Sequence: Pin Engagement Sequence During Hot Plugging ............... 11
Timing Parameters for SFP Management ..................................................... 14
Serial Identification Field Descriptions........................................................... 16
Identifier Values............................................................................................. 18
Connector Values .......................................................................................... 18
Encoding Codes ............................................................................................ 19
Transceiver Codes ........................................................................................ 20
Option Values ................................................................................................ 21
Date Code ..................................................................................................... 22
Electromagnetic Compatibility Compliance ................................................... 24
Safety Compliance ........................................................................................ 25
Lead-Free 2
nd
-Level Interconnect Markings .................................................. 26
Hazardous Substances Table ....................................................................... 27
Product Certification Markings and Compliance Statements ........................ 28
Ordering Information...................................................................................... 29
Acronyms ...................................................................................................... 30
04-May-2007
4
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Order Number: 280047, Revision: 007
Datasheet
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Revision History
Date
Revision
Description
• Added
Section 6.1, “Electromagnetic Compatibility Compliance” on page 24
• Added
Section 6.2, “Safety Compliance” on page 25
• Added
Section 6.3, “Lead-Free Conformance” on page 26
25-April-2007
007
• Added
Section 6.4, “Compliance with Restriction of Hazardous Substances (RoHS)” on
page 26
• Added
Section 6.5, “Management Methods on Control of Pollution from Electronic Information
Products (a.k.a. China RoHS)” on page 27
• Added
Section 6.6, “Product Certification Markings and Compliance Statements” on page 28
• Modified
Table 23 “Ordering Information” on page 29
• Removed Preliminary status.
• Modified Title Page:
Removed Ethernet Network Interface Card under Applications
Added RoHS text
• Added first paragraph under
Section 1.0, “Specifications” on page 7.
26-Sep-2005
006
• Added caution statement to
Section 1, “Absolute Maximum Ratings” on page 7.
• Modified
Table 2 “Operating Condition Ratings” on page 7:
changed minimum case
temperature from -20
o
C to -5
o
C.
• Added
Section 6.4, “Compliance with Restriction of Hazardous Substances (RoHS)” on
page 26.
•
Table 23 “Ordering Information” on page 29:
Added TXN31115D000004 and removed
TXN31115D000000.
Modified Product Features on page 1:
• Changed from 1.25 Gbps Ethernet performance to 1.25 Gbps Ethernet compatible.
Modified
Table 5 “Receiver Electrical Characteristics” on page 8:
• Updated the Total Jitter parameter Max to 61.7 and removed the note.
Modified
Table 7 “Transmitter Optical Characteristics” on page 9:
• Added “Eye Mask: Compliant ...”.
• Added the Deterministic Jitter parameter.
• Updated the Total Jitter parameter Max to 59.8 and removed the note.
Modified
Table 8 “Receiver Optical Characteristics” on page 9:
• Added the Stressed Sensitivity parameter.
23 March 2005
005
• Added the Deterministic Jitter parameter.
• Added the Total Jitter parameter.
• Changed Receiver Overload parameter Min from “0” to “–” and Max from “–” to “0”.
Modified
Table 9 “Plug Sequence: Pin Engagement Sequence During Hot Plugging” on page 11:
• Changed Note 4 from 2.5G to 4Gb/s.
Modified
Section 5.0, “Mechanical Specification” on page 23:
• Added Note “Aqueous wash is not applicable for this product.”
Modified
Table 6.0 “Regulatory Compliance” on page 24:
• Changed Performance from “6 dB margin” to “Module meets FCC class B. System margins
depend on the PCB layout of customer board and chassis designs.”
Removed duplicated Table 19.
17 Jan 2005
004
Modified
Table 3 “Power Supply Characteristics” on page 5:
added Power Dissipation values.
Datasheet
Intel
®
TXN31115 Quad-rate 850 nm Optical Transceiver
Order Number: 280047, Revision: 007
04-May-2007
5
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