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IDT82V2052E

DUAL CHANNEL E1 SHORT HAUL LINE INTERFACE UNIT

Integrated Device Technology 

Table of Contents

1 IDT82V2052E PIN CONFIGURATIONS ....................................................................................... 8

2 PIN DESCRIPTION ....................................................................................................................... 9

3 FUNCTIONAL DESCRIPTION .................................................................................................... 17

3.1 CONTROL MODE SELECTION ....................................................................................... 17

3.2 TRANSMIT PATH ............................................................................................................. 17

3.2.1 TRANSMIT PATH SYSTEM INTERFACE.............................................................. 17

3.2.2 ENCODER .............................................................................................................. 17

3.2.3 PULSE SHAPER .................................................................................................... 17

3.2.3.1 Preset Pulse Templates .......................................................................... 17

3.2.3.2 User-Programmable Arbitrary Waveform ................................................ 18

3.2.4 TRANSMIT PATH LINE INTERFACE..................................................................... 20

3.2.5 TRANSMIT PATH POWER DOWN ........................................................................ 20

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

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

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

3.3.3 ADAPTIVE EQUALIZER......................................................................................... 22

3.3.4 RECEIVE SENSITIVITY ......................................................................................... 22

3.3.5 DATA SLICER ........................................................................................................ 22

3.3.6 CDR (Clock & Data Recovery)................................................................................ 22

3.3.7 DECODER .............................................................................................................. 22

3.3.8 RECEIVE PATH SYSTEM INTERFACE ................................................................ 22

3.3.9 RECEIVE PATH POWER DOWN........................................................................... 23

3.3.10 G.772 NON-INTRUSIVE MONITORING ................................................................ 23

3.4 JITTER ATTENUATOR .................................................................................................... 24

3.4.1 JITTER ATTENUATION FUNCTION DESCRIPTION ............................................ 24

3.4.2 JITTER ATTENUATOR PERFORMANCE ............................................................. 24

3.5 LOS AND AIS DETECTION ............................................................................................. 25

3.5.1 LOS DETECTION ................................................................................................... 25

3.5.2 AIS DETECTION .................................................................................................... 26

3.6 TRANSMIT AND DETECT INTERNAL PATTERNS ........................................................ 27

3.6.1 TRANSMIT ALL ONES ........................................................................................... 27

3.6.2 TRANSMIT ALL ZEROS......................................................................................... 27

3.6.3 PRBS GENERATION AND DETECTION ............................................................... 27

3.7 LOOPBACK ...................................................................................................................... 27

3.7.1 ANALOG LOOPBACK ............................................................................................ 27

3.7.2 DIGITAL LOOPBACK ............................................................................................. 27

3.7.3 REMOTE LOOPBACK............................................................................................ 27

Table of Contents

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December 12, 2005

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