參數(shù)資料
型號(hào): IDT82V2042EPFG
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 20/83頁(yè)
文件大?。?/td> 0K
描述: IC LIU T1/J1/E1 2CH SHORT 80TQFP
標(biāo)準(zhǔn)包裝: 45
類(lèi)型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.13 V ~ 3.47 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-TQFP(14x14)
包裝: 托盤(pán)
其它名稱(chēng): 82V2042EPFG
IDT82V2042E
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
FUNCTIONAL DESCRIPTION
27
December 12, 2005
3.4.10 G.772 NON-INTRUSIVE MONITORING
In applications using only one channel, channel 1 can be configured to
monitor the data received or transmitted in channel 2. The MONT[1:0] bits
(GCF, 20H) determine which direction (transmit/receive) will be monitored.
The monitoring is non-intrusive per ITU-T G.772. Figure-11 illustrates the
concept.
The monitored line signal (transmit or receive) goes through Channel
1’s Clock and Data Recovery. The signal can be observed digitally at the
RCLK1, RD1/RDP1 and RDN1. If Channel 1 is configured to Remote Loop-
back while in the Monitoring mode, the monitored data will be output on
TTIP1/TRING1.
Figure-11 G.772 Monitoring Diagram
Channel 2
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
Line
Driver
Waveform
Shaper
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
LOS/AIS
Detection
Clock and
Data
Recovery
Transmitter
Internal
Termination
Receiver
Internal
Termination
TCLK2
TDN2
TD2/TDP2
RCLK2
CV2/RDN2
LOS2
RD2/RDP2
RRING2
TTIP2
TRING2
RTIP2
Channel 1
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
Line
Driver
Waveform
Shaper
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
DLOS/AIS
Detection
ALOS
Detection
Clock and
Data
Recovery
Transmitter
Internal
Termination
Receiver
Internal
Termination
TCLK1
TDN1
TD1/TDP1
RCLK1
CV1/RDN1
LOS1
RD1/RDP1
RRING1
TTIP1
TRING1
RTIP1
Remote
Loopback
G.772
Monitor
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