IDT82V2082 Integrated Device Technology, Inc., IDT82V2082 Datasheet - Page 26

• Manufacturer Part Number: IDT82V2082
• Description: 2Ch T1/J1/E1 Short Haul/long Haul Liu
• Manufacturer: Integrated Device Technology, Inc.

DUAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
3.4.10 G.772 NON-INTRUSIVE MONITORING
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.
concept.
RD1/RDP1
CV1/RDN1
RD2/RDP2
CV2/RDN2
TD2/TDP2
TD1/TDP1
In applications using only one channel, channel 1 can be configured to
TCLK2
RCLK1
TCLK1
RCLK2
LOS2
TDN2
LOS1
TDN1
DLOS/AIS
Detection
Detection
LOS/AIS
HDB3/AMI
HDB3/AMI
HDB3/AMI
HDB3/AMI
Decoder
Decoder
Encoder
Encoder
B8ZS/
B8ZS/
B8ZS/
B8ZS/
Loopback
Remote
Attenuator
Attenuator
Attenuator
Attenuator
Jitter
Jitter
Jitter
Jitter
Figure-11
Figure-11 G.772 Monitoring Diagram
Clock and
Clock and
Recovery
Recovery
illustrates the
Data
Data
Shaper/LBO
Shaper/LBO
Waveform
Waveform
Detection
ALOS
26
Slicer
Slicer
Data
Data
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.
The monitored line signal (transmit or receive) goes through Channel
Driver
Driver
Line
Line
Equalizer
Equalizer
Adaptive
Adaptive
Channel 2
Channel 1
Termination
Termination
Termination
Termination
Transmitter
Transmitter
Receiver
Receiver
Internal
Internal
Internal
Internal
TEMPERATURE RANGES
Monitor
G.772
INDUSTRIAL
RTIP2
TTIP2
TRING2
RTIP1
TTIP1
TRING1
RRING2
RRING1