IDT82V2044E Datasheet, PDF (3/73 Pages) Integrated Device Technology – QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT

QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
TABLE OF CONTENTS
INDUSTRIAL
TEMPERATURE RANGES
1 IDT82V2044E PIN CONFIGURATIONS ....................................................................................... 8
2 PIN DESCRIPTION ....................................................................................................................... 9
3 FUNCTIONAL DESCRIPTION .................................................................................................... 14
3.1 T1/E1/J1 MODE SELECTION .......................................................................................... 14
3.2 TRANSMIT PATH ............................................................................................................. 14
3.2.1 TRANSMIT PATH SYSTEM INTERFACE.............................................................. 14
3.2.2 ENCODER .............................................................................................................. 14
3.2.3 PULSE SHAPER .................................................................................................... 14
3.2.3.1 Preset Pulse Templates .......................................................................... 14
3.2.3.2 User-Programmable Arbitrary Waveform ................................................ 15
3.2.4 TRANSMIT PATH LINE INTERFACE..................................................................... 18
3.2.5 TRANSMIT PATH POWER DOWN ........................................................................ 18
3.3 RECEIVE PATH ............................................................................................................... 19
3.3.1 RECEIVE INTERNAL TERMINATION.................................................................... 19
3.3.2 LINE MONITOR ...................................................................................................... 20
3.3.3 ADAPTIVE EQUALIZER......................................................................................... 20
3.3.4 RECEIVE SENSITIVITY ......................................................................................... 20
3.3.5 DATA SLICER ........................................................................................................ 20
3.3.6 CDR (Clock & Data Recovery)................................................................................ 20
3.3.7 DECODER .............................................................................................................. 20
3.3.8 RECEIVE PATH SYSTEM INTERFACE ................................................................ 20
3.3.9 RECEIVE PATH POWER DOWN........................................................................... 20
3.3.10 G.772 NON-INTRUSIVE MONITORING ................................................................ 21
3.4 JITTER ATTENUATOR .................................................................................................... 22
3.4.1 JITTER ATTENUATION FUNCTION DESCRIPTION ............................................ 22
3.4.2 JITTER ATTENUATOR PERFORMANCE ............................................................. 22
3.5 LOS AND AIS DETECTION ............................................................................................. 23
3.5.1 LOS DETECTION ................................................................................................... 23
3.5.2 AIS DETECTION .................................................................................................... 24
3.6 TRANSMIT AND DETECT INTERNAL PATTERNS ........................................................ 25
3.6.1 TRANSMIT ALL ONES ........................................................................................... 25
3.6.2 TRANSMIT ALL ZEROS......................................................................................... 25
3.6.3 PRBS/QRSS GENERATION AND DETECTION.................................................... 25
3.7 LOOPBACK ...................................................................................................................... 25
3.7.1 ANALOG LOOPBACK ............................................................................................ 25
3.7.2 DIGITAL LOOPBACK ............................................................................................. 25
3.7.3 REMOTE LOOPBACK............................................................................................ 25
3.7.4 INBAND LOOPBACK.............................................................................................. 27
3.7.4.1 Transmit Activate/Deactivate Loopback Code......................................... 27
3.7.4.2 Receive Activate/Deactivate Loopback Code.......................................... 27
3.7.4.3 Automatic Remote Loopback .................................................................. 27
3.8 ERROR DETECTION/COUNTING AND INSERTION ...................................................... 28
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