29
INDUSTRIAL
TEMPERATURE RANGES
OCTAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
Figure-15 Analog Loopback
Figure-16 Digital Loopback
Figure-17 Remote Loopback
One of the Eight Identical Channels
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
Analog
Loopback
One of the Eight Identical Channels
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
LOS/AIS
Detector
Clock and
Data
Recovery
Digital
Loopback
Receiver
Internal
Termination
TCLKn
TDNn
TDn/TDPn
RCLKn
CVn/RDNn
LOSn
RDn/RDPn
RRINGn
TTIPn
TRINGn
RTIPn
Line
Driver
Waveform
Shaper/LBO
Transmitter
Internal
Termination
One of the Eight Identical Channels
B8ZS/
HDB3/AMI
Encoder
Jitter
Attenuator
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Data
Slicer
Adaptive
Equalizer
LOS/AIS
Detector
Clock and
Data
Recovery
Receiver
Internal
Termination
TCLKn
TDNn
TDn/TDPn
RCLKn
CVn/RDNn
LOSn
RDn/RDPn
RRINGn
TTIPn
TRINGn
RTIPn
Remote
Loopback
Line
Driver
Waveform
Shaper/LBO
Transmitter
Internal
Termination