参数资料
型号: IDT82V2084PFG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 15/75页
文件大小: 0K
描述: IC LINE INTERFC UNIT 4CH 128TQFP
标准包装: 1
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.13 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 标准包装
其它名称: 800-1864-6
22
INDUSTRIAL
TEMPERATURE RANGES
QUAD CHANNEL T1/E1/J1 LONG HAUL/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/LBO
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/LBO
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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