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IBM Microelectronics
IBM Microelectronics


IBM42F21SNNAA10

(IBM42x21xNNAA10) Fiber Channel Small Form Factor PTH Transceiver



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. IBM42G21SNNAA10 IBM42F21SNNAA10
IBM42G21LNNAA10 IBM42F21LNNAA10
2x / 1x Fibre Channel Small Form Factor PTH Transceiver
Features
• International Class 1 laser safety certified
• 1.0625 Gb/s or 2.125 Gb/s data rates
• 1x and 2x (ANSI) Fibre Channel compliant [1]
• Short wavelength (SW) (distance 500 m)
• Long wavelength (LW) (distance 10,000 m)
• Gigabit electrical serial interface
• Low Power Dissipation, 500 mW Typical
• LVTTL Signal-Detect Output
• AC coupling of PECL signals
• Single +3.3 V Power Supply
• Withstand normal wave solder and aqueous
spray cleaning
• UL and CSA approved
• Low bit error rate (< 10-12)
• High reliability AFR < 0.01%/khr@50°C, 100 FIT
Applications
• 2x Gigabit Fibre Channel
• Gigabit Fibre Channel
• Client/Server environments
• Distributed multi-processing
• Fault tolerant applications
• Visualization, real-time video, collaboration
• Channel extenders, data storage, archiving
• Data acquisition
Description
The 1.0625/2.125Gbps Small Form Factor (SFF-
PTH-SW/LW-2X5/2X6) is an integrated fiber optic
transceiver that provides a high-speed serial link at
a signaling rate up to 2.125Gb/s. The SFF-PTH-
SW/LW-2X5/2X6 conforms to the American National
Standards Institute’s (ANSI) Fibre Channel, FC-PI
specification for short and long wavelength opera-
tion (200-M5-SN-I, 200-M6-SN-I,100-M5-SN-I,100-
M6-SN-I, 200-SM-LC-L, and 100-SM-LC-L).
The transceiver is insensitive to the data rate of the
incoming electrical and optical signals. The trans-
ceiver complies with the 1.0625Gb/s Fibre Channel
specification and 2.125Gb/s FC Standard without an
external control signal.
The SFF-PTH-SW/LW-2X5/2X6 is ideally suited for
Fibre Channel applications which include point to
point links as well as Fibre Channel Arbitrated Loop
(FC-AL). It can also be used for other serial applica-
tions where high data rates are required. This speci-
fication applies to a pin through hole (PTH) module
which has a 2 by 5 electrical connector pin configu-
ration.
The SFF-PTH-2125-SW uses a short wavelength
(850nm) VCSEL (Vertical Cavity Surface Emitting
Laser) source. This enables low cost data transmis-
sion over optical fibers at distances up to 500m at
1.0625Gb/s and 300m at 2.125Gb/s. A 50/125µm
multimode optical fiber, terminated with an industry
standard LC connector, is the preferred medium. (A
62.5/125µm multimode fiber can be substituted with
shorter maximum link distances.)
The SFF-PTH-LW uses a long wavelength
(1310nm) edge emitting laser. This enables data
transmission over optical fibers at distances up to
10,000 m on a single mode (9/125µm) optical fiber.
Encoded (8B/10B) [3], [4], gigabit/sec serial differen-
tial PECL signals traverse a PTH connector interfac-
ing the SFF-PTH-SW/LW-2X5/2X6 to the host card.
The serial data modulates the laser and is sent out
over the outgoing fiber of a duplex cable.
Incoming modulated light is detected by a photore-
ceiver mounted in the LC receptacle. The optical
signal is converted to an electrical one, amplified
and delivered to the host card. This module is
designed to work with industry standard “10b” Seri-
alizer/Deserializer modules.
The SFF-PTH-SW/LW-2X5/2X6 is a Class 1 laser
safe product. The optical power levels, under normal
operation, are at eye safe levels. Optical fiber cables
can be connected and disconnected without shut-
ting off the laser transmitter.
03/14/01
Page 1 of 23



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IBM42F21SNNAA10 IBM42G21SNNAA10
IBM42F21LNNAA10 IBM42G21LNNAA10
2x / 1x Fibre Channel Small Form Factor PTH Transceiver
Package Outline
Pin Assignments
Pin Name
Rx Ground
Rx Power
Rx_SD
Rx_DAT -
Rx_DAT +
Tx Power
Tx Ground
Tx_Disable
Tx_DAT +
Tx_DAT -
N/C
Tx_Fault (2X6 Only)
Type
Ground
Power
Status Out
Signal Out
Signal Out
Power
Ground
Control In
Signal In
Signal In
Not Connected
Status Out
Pin #
1
2
3
4
5
6
7
8
9
10
A
B
Ordering Information
Product Descriptor
SFF-PTH-2125-SW-2X5
SFF-PTH-LW-2X5
SFF-PTH-2125-SW-2X6
SFF-PTH-LW-2X6
Part Number
IBM42F21SNNAA10
IBM42F21LNNAA10
IBM42G21SNNAA10
IBM42G21LNNAA10
Maximum Signaling Rate
2.125Gb/s
2.125Gb/s
2.125Gb/s
2.125Gb/s
Wavelength
850nm
1310nm
850nm
1310nm
Laser Safety Compliance Requirements
The SFF-PTH-SW/LW-2X5/2X6 is designed and
certified as a Class 1 laser product. If the power sup-
ply voltage exceeds 4.0 volts, the transceiver may
no longer remain a Class 1 product. The system
using the SFF-PTH-SW/LW-2X5/2X6 must provide
power supply over voltage protection that guaran-
tees the supply does not exceed 4.0 volts under all
fault conditions.
Caution: Operating the power supply above 4.0V or
otherwise operating the SFF-PTH-SW/LW-2X5/2X6
in a manner inconsistent with its design and function
may result in hazardous radiation exposure, and
may be considered an act of modifying or new man-
ufacturing of a laser product under US regulations
contained in 21 CFR(J) or CENELEC regulations
contained in EN 60825. The person(s) performing
such an act is required by law to recertify and
reidentify the product in accordance with the provi-
sions of 21 CFR(J) for distribution within the United
States, and in accordance with provisions of CEN-
ELEC EN 60825 (or successive regulations) for dis-
tribution within the CENELEC countries or countries
using the IEC 825 standard.
ESD Notice
It is advised that normal static precautions be taken
in the handling and assembly of the SFF-PTH-
SW/LW-2X5/2X6 to prevent damage and/or degra-
dation which may be introduced by electrostatic dis-
charge.
Page 2 of 23
03/14/01



Part Number IBM42F21SNNAA10
Description (IBM42x21xNNAA10) Fiber Channel Small Form Factor PTH Transceiver
Maker IBM Microelectronics - IBM Microelectronics
Total Page 24 Pages
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