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부품번호 IBM42P21LNYAA10 기능
기능 (IBM42P21SNYAA10 / IBM42P21LNYAA10) Fiber Channel Small Form Factor Hot Pluggable Transceiver
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IBM42P21LNYAA10 데이터시트, 핀배열, 회로
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. IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Features
• International Class 1 laser safety certified
• 1.0625Gb/s or 2.125Gb/s data rates
• 1x and 2x (ANSI) Fibre Channel compliant [1]
• Short wavelength (SW) (distance 500m)
• Long wavelength (LW) (distance 10,000m)
• Gigabit electrical serial interface
• Serial electrical light conversion
• Receiver Loss of Signal Output
• AC coupling of PECL signals
• Single +3.3V Power Supply
• Serial ID module on MOD(0-2)
• UL & CSA approved
• Low bit error rate (< 10-12)
• High reliability: AFR < 0.01%/khr @50 C
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 Serial Optical Converter
(SFF-PGG-2125-SW/LW) is an integrated fiber optic
transceiver that provides a high-speed serial link at
a signaling rate up to 2.125Gb/s. The SFF-PGG-
2125-SW/LW 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-PGG-2125-SW/LW 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 hot-pluggable (PGG) module
which has a 2 by 10 electrical surface mount con-
nector assembly.
The SFF-PGG-2125-SW/LW transceiver features a
Serial ID module. The Serial ID module can store up
to 128 bytes of vital product data.
The SFF-PGG-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 550m 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-PGG-2125-LW uses a long wavelength
(1310nm) edge emitting laser. This enables data
transmission over optical fibers at distances up to
10,000m on a single mode (9/125µm) optical fiber.
Encoded (8B/10B) [3], [4], gigabit/sec serial differen-
tial PECL signals traverse the connector interfacing
the SFF-PGG-2125-SW/LW 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-PGG-2125-SW/LW 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.
08/15/00
Page 1 of 31




IBM42P21LNYAA10 pdf, 반도체, 판매, 대치품
www.DataSheet4U.com
IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Receive Section
The incoming modulated optical signal is converted to an electrical signal by the photoreceiver. This electrical
signal is then amplified and converted to a differential serial output data stream and delivered to the host. A
transition detector detects a minimum AC level of modulated light entering the photoreceiver. This signal is
provided to the host as a loss-of-signal status line. The transceiver provides the AC coupling for the +Rx/-Rx
lines. No AC coupling capacitors are required on the host card for proper operation.
Input Signal Definitions
Levels for the signals described in this section are listed in Transmit Signal Interface on page 11 and Control
Electrical Interface on page 12.
Tx_DAT
A differential PECL serial data stream is presented to the SFF-PGG-2125-SW/LW for transmission onto an
optical fiber by modulating the optical output intensity of the laser.
Tx_Disable
When high (a logical one), the Tx_Disable signal turns off the power to both the AC and DC laser driver cir-
cuits. It will also reset a laser fault if one should happen. When low (a logical zero), the laser will be turned on
within 1ms if a hard fault is not detected.
Timing of Tx_Disable Function
Tx_Disable
t_reset
> 10µs
Transmitter optical
signal
t_off
< 10µs
t_on
< 1ms
Page 4 of 31
08/15/00

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Operation
Initialization Timings
IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
SFF-PGG-2125-SW/LW with Tx_Disable Deasserted
SFF-PGG-2125-SW/LW with Tx_Disable Asserted
Vcc > 3.15V
Tx_Fault
1
Tx_Disable
0
Optical Transmit
Signal
t_init
< 300ms
Vcc > 3.15V
Tx_Fault
Tx_Disable
Optical Transmit
Signal
t_init < 300ms
Resetting a Laser Fault
Resetting a laser fault by toggling the Tx_Disable input will permit the SFF-PGG-2125-SW/LW to attempt to
power on the laser following a fault condition. Continuous resetting and re-powering of the laser under a hard
fault condition could cause a series of optical pulses with sufficient energy to violate laser safety standards.
To alleviate the possibility of violating laser safety standards, the SFF-PGG-2125-SW/LW will turn off the
laser if a second fault is detected within 25ms of the laser powering on. This lock is cleared during each
power on cycle. Please refer to the timing diagrams below.
Fault Condition Recovery Timings
Successful Recovery from a
Transmitter Safety Fault
Occurrence
of transmitter
safety fault
Tx_Fault
Tx_Disable
Optical
Power
t_reset
>10µs
*only if the fault is transient
t_init*
<300ms
Unsuccessful Recovery from a
Transmitter Safety Fault
Occurrence
of transmitter
safety fault
Tx_Fault
Tx_Disable
Optical
Power
t_reset
>10µs
*only if the fault is transient
t_fault
<100µs
t_init*
<300ms
08/15/00
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IBM42P21LNYAA10

(IBM42P21SNYAA10 / IBM42P21LNYAA10) Fiber Channel Small Form Factor Hot Pluggable Transceiver

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