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參數(shù)資料
| 型號： | IBM42S12SNYAA20 |
| 廠商： | IBM Microeletronics |
| 英文描述： | 1250 MBd Gigabit Interface Converter(1250 MBd 吉位接口轉(zhuǎn)換器) |
| 中文描述： | 1250 MBd的千兆位接口轉(zhuǎn)換器（1250 MBd的吉位接口轉(zhuǎn)換器） |
| 文件頁數(shù)： | 8/35頁 |
| 文件大?。?/td> | 490K |
| 代理商： | IBM42S12SNYAA20 |
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IBM42S10SNNAA20
IBM42S10SNYAA20
1063/1250MBd Gigabit Interface Converter
IBM42S12SNYAA20
IBM42S10LNNAA20
IBM42S10LNYAA20
IBM42S12LNYAA20
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 8 of 34
GBIC.02
04/27/99
Resetting a Fault (Tx_Fault)
Resetting the Tx_Fault output by toggling the Tx_Disable input permits the GBIC to attempt to power on the
laser following a fault condition. Continuous resetting and repowering 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 this
possibility, the GBIC will turn off the laser and lock the Tx_Fault line high if a second fault is detected within
25ms of the laser powering on. This lock is cleared during each power on cycle.
Fault Condition Recovery Timings
Occurrence
of transmitter
safety fault
Tx_Fault
Optical
Power
t_reset
>10ms
Tx_Disable
t_init*
<300ms
*only if the fault is transient
t_reset
>10ms
t_init*
<300ms
*only if the fault is transient
t_fault
<100ms
Occurrence
of transmitter
safety fault
Tx_Fault
Optical
Power
Tx_Disable
Unsuccessful Recovery from a
Transmitter Safety Fault
Successful Recovery from a
Transmitter Safety Fault
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