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參數(shù)資料
| 型號(hào)： | IBM42P12SNYAA10 |
| 廠商： | IBM Microeletronics |
| 英文描述： | Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器) |
| 中文描述： | 千兆以太網(wǎng)/光纖通道纖巧熱插拔收發(fā)器（吉（10 ^ 9政）位以太網(wǎng)/光纖通道熱插收發(fā)器） |
| 文件頁數(shù)： | 5/34頁 |
| 文件大?。?/td> | 181K |
| 代理商： | IBM42P12SNYAA10 |
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IBM42P12SNYAA10 IBM42P10SNYAA10
IBM42P12LNYAA10 IBM42P10LNYAA10
Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver
08/15/00
Page 5 of 33
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 10k
.
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 100
μ
s 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 10k
.
Output Signal Timings
Transmitter Fault Detection
Receive Loss of Signal Detection
Occurrence of
transmitter
safety fault
Tx_Fault
Optical
Power
t_fault
<100
μ
s
Optical Signal
Rx_LOS
t_loss_on
<100
μ
s
t_loss_off
<100
μ
s
Signal Removed
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