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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 80/131頁(yè) |
| 文件大小： | 717K |
| 代理商： | XRT75R12D |
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XRT75R12D
REV. P1.0.1
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
PRELIMINARY
75
2
TAOS
R/W
Transmit All OneS Pattern - Channel_n:
This READ/WRITE bit-field is used to command the Transmit Section
of Channel_n to generate and transmit an unframed, All Ones pattern
via the DS3, E3 or STS-1 line signal (to the remote terminal equip-
ment).
Whenever the user implements this configuration setting, the Transmit
Section will ignore the data that it is accepting from the System-side
equipment and output the "All Ones" Pattern.
0 - Configures the Transmit Section to transmit the data that it accepts
from the System-side Interface.
1 - Configures the Transmit Section to generate and transmit the
Unframed, All Ones pattern.
1
TxCLKINV
R/W
Transmit Clock Invert Select - Channel_n:
This READ/WRITE bit-field is used to select the edge of the TxCLK_n
input that the Transmit Section of Channel_n will use to sample the
TxPOS_n and TxNEG_n input pins, as described below.
0 - Configures the Transmit Section (within the corresponding channel)
to sample the TxPOS_n and TxNEG_n input pins upon the falling edge
of TxCLK_n.
1 - Configures the Transmit Section (within the corresponding channel)
to sample the TxPOS_n and TxNEG_n input pins upon the rising edge
of TxCLK_n.
N
OTE
:
This is done on a per-channel basis.
0
TxLEV
R/W
Transmit Line Build-Out Select - Channel_n:
This READ/WRITE bit-field is used to enable or disable the Transmit
Line Build-Out (e.g., pulse-shaping) circuit within the corresponding
channel. The user should set this bit-field to either "0" or to "1" based
upon the following guidelines.
0 - If the cable length between the Transmit Output (of the correspond-
ing Channel) and the DSX-3/STSX-1 location is 225 feet or less.
1 - If the cable length between the Transmit Output (of the correspond-
ing Channel) and the DSX-3/STSX-1 location is more than 225 feet .
The user must follow these guidelines in order to insure that the Trans-
mit Section (of Channel_n) will always generate a DS3 pulse that com-
plies with the Isolated Pulse Template requirements per Bellcore GR-
499-CORE, or an STS-1 pulse that complies with the Pulse Template
requirements per Telcordia GR-253-CORE.
N
OTE
:
This bit-field is ignored if the channel has been configured to
operate in the E3 Mode.
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 |
| XRT75VL00 | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00IV | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
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(chēng):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(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET |
| XRT75R12DES | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| XRT75R12DIB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12CH E3/DS3/STS W/JITTER R3 TECH 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 |
| XRT75R12DIB-F | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12 Channel 3.3V-5V temp -45 to 85C 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 |
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