參數(shù)資料
型號: IDT82V2044EPFG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 14/73頁
文件大?。?/td> 0K
描述: IC LIU T1/E1 QUAD SHORT 128-TQFP
標準包裝: 15
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.13 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 托盤
其它名稱: 82V2044EPFG
21
INDUSTRIAL
TEMPERATURE RANGES
QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
3.3.10 G.772 NON-INTRUSIVE MONITORING
In applications using only three channels, channel 1 can be configured
tomonitorthedatareceivedortransmittedinanyoneoftheremainingchan-
nels. The MON[3:0] bits (GCF1, 60H) determine which channel and which
direction (transmit/receive) will be monitored. The monitoring is non-intru-
sive 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 N (N > 2)
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
Line
Driver
Waveform
Shaper
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
LOS/AIS
Detector
Clock and
Data
Recovery
Transmitter
Internal
Termination
Receiver
Internal
Termination
TCLKn
TDNn
TDn/TDPn
RCLKn
CVn/RDNn
LOSn
RDn/RDPn
RRINGn
TTIPn
TRINGn
RTIPn
Channel 1
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
Line
Driver
Waveform
Shaper
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
LOS/AIS
Detector
Clock and
Data
Recovery
Transmitter
Internal
Termination
Receiver
Internal
Termination
TCLK1
TDN1
TDn/TDP1
RCLK1
CVn/RDN1
LOS1
RDn/RDP1
RRING1
TTIP1
TRING1
RTIP1
Remote
Loopback
G.772
Monitor
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