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PDF IBM42P21SNYAA10 Data sheet ( Hoja de datos )
| Número de pieza | IBM42P21SNYAA10 | |
| Descripción | (IBM42P21SNYAA10 / IBM42P21LNYAA10) Fiber Channel Small Form Factor Hot Pluggable Transceiver | |
| Fabricantes | IBM Microelectronics | |
| Logotipo |  |
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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
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IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Output Signal Definitions
Levels for the signals described in this section are listed in Receive Signal Interface on page 11 and Control
Electrical Interface on page 12.
Rx_DAT
The incoming optical signal is converted and repowered as a differential PECL serial data stream. The
Receive Signal Interface table on page 11 gives the voltage levels and timing characteristics for the Rx_DAT
signals.
Rx_LOS
The Receive Loss of Signal line is high (a logical one) when the incoming modulated light intensity is below
that required to guarantee the correct operation of the link. Normally, this only occurs when either the link is
unplugged or the companion transceiver is turned off. This signal is normally used by the system for diagnos-
tic purposes.
This signal has an open drain TTL driver. A pull up resistor is required on the host side of the SFF connector.
The recommended value for this resistor is 10 kΩ.
Tx_Fault
Upon sensing an improper power level in the laser driver, the SFF sets this signal high and turns off the laser.
The Tx_Fault signal can be reset with the Tx_Disable line.
The laser is turned off within 100µs as shown in the Transmitter Fault Detection timing diagram below.
This signal has an open drain TTL driver. A pull up resistor is required on the host side of the SFF connector.
The recommended value for this resistor is 10kΩ.
Output Signal Timings
Receive Loss of Signal Detection
Optical Signal
Signal Removed
Rx_LOS
t_loss_on
<100µs
t_loss_off
<100µs
Transmitter Fault Detection
Occurrence of
transmitter
safety fault
Tx_Fault
Optical
Power
t_fault
<100µs
08/15/00
Page 5 of 31
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IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Transmit Signal Interface (from host to SFF-PGG-2125-SW/LW)
Symbol
Vo
DJelec-xmit
TJelec-xmt
Parameter
PECL Amplitude
PECL Deterministic Jitter
PECL Total Jitter
PECL Rise/Fall
PECL Differential Skew
Min Max. Unit Notes
400 2000 mV
1
0.14 UI
2,4
0.26 UI
2,4
50 200 ps 3,4
20 ps
4
1. At 100Ω, differential peak-to-peak, the figure below shows the simplified circuit schematic for the SFF-PGG-2125-SW/LW high-
speed differential input lines. The PECL input data lines have AC coupling capacitors. The capacitors are not required on the host
card.
+Tx_DAT
50Ω
VDD
2.4KΩ
-Tx_DAT
50Ω
8pF 3.8KΩ
2. Deterministic jitter (DJ) and total jitter (TJ) values are measured according to the methods defined in [2]. Jitter values at the output
of a transmitter or receiver section assume worst case jitter values at its respective input. [1UI(Unit Interval)=470.6ps at 2.125Gb/s]
3. Rise and fall times are measured from 20 - 80%, 100Ω differential.
4. When in 1Gb/s mode the transceiver is compliant with 1G specifications as defined in [1].
Receive Signal Interface (from SFF-PGG-2125-SW/LW to host)
Symbol
Vo
DJelec-rcv
TJelec-rcv
Parameter
PECL Amplitude
PECL Deterministic Jitter
PECL Total Jitter
PECL Differential Skew
Min Max. Unit Note(s)
600 1000 mV
1
0.39 UI
2,3
0.64 UI
2,3
102 ps
3
1. At 100Ω, differential peak-to-peak, the figure below shows the simplified circuit schematic for the SFF-PGG-2125-SW/LW high-
speed differential output lines. The PECL output data lines have AC coupling capacitors. The capacitors are not required on the
host card.
Rx_VDD
50Ω 50Ω
+Rx_DAT
... -Rx_DAT
Rx_Gnd
2. Deterministic jitter (DJ) and total jitter (TJ) values are measured according to the methods defined in [2]. Jitter values at the output
of a transmitter or receiver section assume worst case jitter values at its respective input. [1UI(Unit Interval)=470.6ps at 2.125Gb/s]
3. When in 1Gb/s mode the transceiver is compliant with 1G specifications as defined in [1]. [1UI (Unit Interval)=941.2ps at
1.0625Gb/s.
08/15/00
Page 11 of 31
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