參數(shù)資料
型號: XRT75R12D
廠商: Exar Corporation
英文描述: TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述: 第十二章通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁數(shù): 78/131頁
文件大?。?/td> 717K
代理商: XRT75R12D
XRT75R12D
REV. P1.0.1
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
PRELIMINARY
73
1
Receive LOS
Defect Condition
Declared
R/O
Receive LOS (Loss of Signal) Defect Condition Declared:
This READ-ONLY bit-field indicates whether or not the Receive Sec-
tion (within Channel_n) is currently declaring the LOS defect condition.
The Receive Section (of Channel_n) will declare the LOS defect condi-
tion, if any one of the following conditions is met.
If the Digital LOS Detector declares the LOS defect condition (for
DS3 or STS-1 applications)
If the Analog LOS Detector declares the LOS defect condition (for
DS3 or STS-1 applications)
If the ITU-T G.775 LOS Detector declares the LOS defect condition
(for E3 applications).
0 - Indicates that the Receive Section of Channel_n is NOT currently
declaring the LOS Defect Condition.
1 - Indicates that the Receive Section of Channel_n is currently declar-
ing the LOS Defect condition.
0
Transmit DMO
Condition Declared
R/O
Transmit DMO (Drive Monitor Output) Condition Declared:
This READ-ONLY bit-field indicates whether or not the Transmit Sec-
tion of Channel_n is currently declaring the DMO Alarm condition.
As configured, the Transmit Section will either internally (via the
TTIP_n and TRING_n ) or externally (via the MTIP_n and MRING_n)
check the Transmit Output DS3/E3/STS-1 Line signal for bipolar
pulses. If the Transmit Section were to detect no bipolar for 128 con-
secutive bit-periods, then it will declare the Transmit DMO Alarm condi-
tion. This particular alarm can be used to check for fault conditions on
the Transmit Output Line Signal path.
The Transmit Section will clear the Transmit DMO Alarm condition
upon detecting bipolar activity on the Transmit Output Line signal.
0 - Indicates that the Transmit Section of Channel_n is NOT currently
declaring the Transmit DMO Alarm condition.
1 - Indicates that the Transmit Section of Channel_n is currently
declaring the Transmit DMO Alarm condition.
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12IB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R12D_06 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12D_07 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
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