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參數(shù)資料
| 型號(hào)： | XRT73R12 |
| 廠商： | Exar Corporation |
| 英文描述： | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| 中文描述： | 第十二章通道E3/DS3/STS-1線路接口單元 |
| 文件頁(yè)數(shù)： | 75/87頁(yè) |
| 文件大小： | 436K |
| 代理商： | XRT73R12 |
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PRELIMINARY
XRT73R12
REV. P1.0.3
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
72
3
Reserved
2
Receive LOL Con-
dition Declared
R/O
Receive LOL (Loss of Lock) Condition Declared:
This READ-ONLY bit-field indicates whether or not the Receive Sec-
tion (within Channel_n) is currently declaring the LOL (Loss of Lock)
condition.
The Receive Section (of Channel_n) will declare the LOL Condition, if
the frequency of the Recovered Clock signal differs from that of the ref-
erence clock programmed for that channel (from the appropriate oscil-
lator or the SFM clock synthesizer if in that mode) by 0.5% (or
5000ppm) or more .
0 - Indicates that the Receive Section of Channel_n is NOT currently
declaring the LOL Condition.
1 - Indicates that the Receive Section of Channel_n is currently declar-
ing the LOL Condition and the recovered clock differs by more than
0.5%..
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 |
|---|---|
| XRT73R12IB | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT74L73 | 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L73IB | 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L74 | 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L74IB | 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT73R12_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73R12_0710 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73R12ES | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT73R12IB | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT73R12IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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