參數(shù)資料
型號(hào)： XRT75VL00D
廠商： Exar Corporation
英文描述： E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁(yè)數(shù)： 44/92頁(yè)
文件大小： 836K
代理商： XRT75VL00D
XRT75VL00D
REV. 1.0.3
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
44
XRT75VL00D can be configured in Analog Loopback either in Hardware mode via the LLB and RLB pins or in
Host mode via LLB and RLB bits in the channel control registers.
NOTES:
1.
In the Analog loopback mode, data is also output via TTIP and TRING pins.
2.
Signals on the RTIP and RRING pins are ignored during analog loopback.
8.2.2
DIGITAL LOOPBACK:
The Digital Loopback function is available either in Hardware mode or Host mode. When the Digital Loopback
is selected, the transmit clock (TxClk) and transmit data inputs (TPDATA & TNDATA) are looped back and
output onto the RxClk, RPOS and RNEG pins as shown in Figure 27. The data presented on TxClk, TPDATA
and TNDATA are not output on the TTIP and TRING pins.This provides the capability to configure the
protection card (in redundancy applications) in Digital Loopback mode without affecting the traffic on the
primary card.
NOTE: Signals on the RTIP and RRING pins are ignored during digital loopback.
FIGURE 26. ANALOG LOOPBACK
TRING
TTIP
RRING
RTIP
RPOS
RNEG
RCLK
TNDATA
TCLK
TPDATA
HDB3/B3ZS1
ENCODER
HDB3/B3ZS1
DECODER
J
ITTE
R
2
ATTE
NUATO
R
J
ITTE
R
2
ATTE
NUATO
R
TIMING
CONTROL
DATA &
CLOCK
RECOVERY
1 if enabled
2 if enabled and selected in either Receive or Transmit path
Tx
Rx
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75VL00D_08 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75VL00D1V-F 制造商:Exar Corporation 功能描述:
XRT75VL00DES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 1CHT3/E3/STS1LIU+ DESYNC 3.3V DRV VER 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
XRT75VL00DIV 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V 1 CH E3/DS3/STS W/SONET DE-SYNCH 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
XRT75VL00DIV-F 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V 1 CH E3/DS3/STS W/SONET DE-SYNCH 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
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