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IDT82V2084

QUAD CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT

Integrated Device Technology 

QUAD CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT

TABLE OF CONTENTS

INDUSTRIAL

TEMPERATURE RANGES

1 IDT82V2084 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 LBO (Line Build Out) ............................................................................... 15

3.2.3.3 User-Programmable Arbitrary Waveform ................................................ 15

3.2.4 TRANSMIT PATH LINE INTERFACE..................................................................... 19

3.2.5 TRANSMIT PATH POWER DOWN ........................................................................ 19

3.3 RECEIVE PATH ............................................................................................................... 20

3.3.1 RECEIVE INTERNAL TERMINATION.................................................................... 20

3.3.2 LINE MONITOR ...................................................................................................... 21

3.3.3 ADAPTIVE EQUALIZER......................................................................................... 21

3.3.4 RECEIVE SENSITIVITY ......................................................................................... 21

3.3.5 DATA SLICER ........................................................................................................ 21

3.3.6 CDR (Clock & Data Recovery)................................................................................ 21

3.3.7 DECODER .............................................................................................................. 21

3.3.8 RECEIVE PATH SYSTEM INTERFACE ................................................................ 21

3.3.9 RECEIVE PATH POWER DOWN........................................................................... 21

3.3.10 G.772 NON-INTRUSIVE MONITORING ................................................................ 22

3.4 JITTER ATTENUATOR .................................................................................................... 23

3.4.1 JITTER ATTENUATION FUNCTION DESCRIPTION ............................................ 23

3.4.2 JITTER ATTENUATOR PERFORMANCE ............................................................. 23

3.5 LOS AND AIS DETECTION ............................................................................................. 24

3.5.1 LOS DETECTION ................................................................................................... 24

3.5.2 AIS DETECTION .................................................................................................... 25

3.6 TRANSMIT AND DETECT INTERNAL PATTERNS ........................................................ 26

3.6.1 TRANSMIT ALL ONES ........................................................................................... 26

3.6.2 TRANSMIT ALL ZEROS......................................................................................... 26

3.6.3 PRBS/QRSS GENERATION AND DETECTION.................................................... 26

3.7 LOOPBACK ...................................................................................................................... 26

3.7.1 ANALOG LOOPBACK ............................................................................................ 26

3.7.2 DIGITAL LOOPBACK ............................................................................................. 26

3.7.3 REMOTE LOOPBACK............................................................................................ 26

3.7.4 INBAND LOOPBACK.............................................................................................. 28

3.7.4.1 Transmit Activate/Deactivate Loopback Code......................................... 28

3.7.4.2 Receive Activate/Deactivate Loopback Code.......................................... 28

3.7.4.3 Automatic Remote Loopback .................................................................. 28

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