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參數(shù)資料
| 型號： | IBM42G21SNNAA10 |
| 廠商： | IBM Microeletronics |
| 英文描述： | 2x Fibre Channel Small Form Factor PTH Transceiver(2x吉位光纖通道小外形PTH收發(fā)器) |
| 中文描述： | 2倍光纖通道纖巧甲狀旁腺收發(fā)器（2倍吉位光纖通道小外形甲狀旁腺收發(fā)器） |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 210K |
| 代理商： | IBM42G21SNNAA10 |
IBM42F21SNNAA10
IBM42F21LNNAA10
2x / 1x Fibre Channel Small Form Factor PTH Transceiver
IBM42G21SNNAA10
IBM42G21LNNAA10
Page 4 of 23
08/15/00
Input Signal Definitions
Levels for the signals described in this section are listed in Transmit Signal Interface on page 8 and Control
Electrical Interface on page 9.
Tx_DAT
A differential PECL serial data stream is presented to the SFF-PTH-2125-SW/LW-2X5/2X6 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. The transceiver contains a pull-down resistor to enable the laser
when the line is not connected on the host side. If driven, this line should be connected to a push-pull output
driver.
Timing of Tx_Disable Function
t_off
< 10
μ
s
t_on
< 1ms
Transmitter optical
signal
Tx_Disable
t_reset
> 10
μ
s
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