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參數資料
| 型號： | XRT75R03D |
| 廠商： | Exar Corporation |
| 英文描述： | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER |
| 中文描述： | Three頻道E3/DS3/STS-1線路接口單元與SONET DESYNCRONIZER |
| 文件頁數： | 11/134頁 |
| 文件大?。?/td> | 803K |
| 代理商： | XRT75R03D |
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XRT75R03D
REV. 1.0.2
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
6
37
7
8
TAOS_0
TAOS_1
TAOS_2
I
Transmit "All Ones" Input - Channel 0:
Transmit "All Ones" Input - Channel 1:
Transmit "All Ones" Input - Channel 2:
These input pin are used to configure the Transmit Section of the corre-
sponding channel to generate and transmit an unframed "All Ones" pattern
via the DS3, E3 or STS-1 line signal to the remote terminal equipment.
When this configuration is implemented the Transmit Section will ignore the
data that it is accepting from the System-side equipment and will overwrite
this data will the "All Ones" Pattern.
"Low" - Does not configure the channel to transmit an unframed "All Ones"
Pattern to the remote terminal equipment. In this mode, the Transmit Sec-
tion of the Channel will output data based upon the signals that are applied
to the TxPOS_n and TxNEG_n input pins.
"High" - Configures the Channel to transmit an unframed "All Ones" Pattern
to the remote terminal equipment. In this mode, the Transmit Section will
override the data that is applied to the TxPOS_n and TxNEG_n input pins,
and will proceed to generate and transmit an unframed "All Ones" pattern.
4.
This input pin is ignored if the XRT75R03D is operating in the
HOST Mode and should be tied to GND.
5.
These input pins are internally pulled down.
36
9
10
TxLEV_0
TxLEV_1
TxLEV_2
I
Transmit Line Build-Out Enable/Disable Select - Channel 0:
Transmit Line Build-Out Enable/Disable Select - Channel 1:
Transmit Line Build-Out Enable/Disable Select - Channel 2:
These input pins are used to enable or disable the Transmit Line Build-Out
(e.g., pulse-shaping) circuit within the corresponding channel. The user
should set these input pins either "High" or "Low" based upon the following
guidelines.
"Low" - 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.
"High" - If the cable length between the Transmit Output of the correspond-
ing Channel and the DSX-3/STSX-1 location is 225 feet or more.
N
OTES
:
1.
These guidelines must be followed in order to insure that the
Transmit Section of Channel_n will always generate a DS3 pulse
that complies 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.
2.
This input pin is inactive if the XRT75R03D has been configured
to operate in the Host Mode, or if the corresponding channel has
been configured to operate in the E3 Mode. If either of these
cases are true, then tie this input pin to GND.
3.
These input pins are internally pulled "Low".
SYSTEM-SIDE TRANSMIT INPUT AND TRANSMIT CONTROL PINS
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
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PDF描述 |
|---|---|
| XRT75R03DIV | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER |
| XRT75R03 | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R03IV | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R06D | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XRT75R03D_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:EXAR DATA SHEET FORMAT TEMPLATES |
| XRT75R03DES | 功能描述:時鐘合成器/抖動清除器 3CH T3/E3/STS1LIU+D 3.3V W/REDUNDANCY RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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 |
| XRT75R03DIV | 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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 |
| XRT75R03DIV-F | 功能描述:網絡控制器與處理器 IC 3-Ch E3/DS3/STS-1 RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT75R03DIVTR | 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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 |
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