IDT82V2044E Integrated Device Technology, IDT82V2044E Datasheet - Page 3
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IDT82V2044E
Manufacturer Part Number
IDT82V2044E
Description
4 Channel T1/j1/e1 Short Haul Liu
Manufacturer
Integrated Device Technology
Datasheet
1.IDT82V2044E.pdf
(73 pages)
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QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
1
2
3
TABLE OF CONTENTS
TABLE OF CONTENTS
IDT82V2044E PIN CONFIGURATIONS ....................................................................................... 8
PIN DESCRIPTION ....................................................................................................................... 9
FUNCTIONAL DESCRIPTION .................................................................................................... 14
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
T1/E1/J1 MODE SELECTION .......................................................................................... 14
TRANSMIT PATH ............................................................................................................. 14
3.2.1 TRANSMIT PATH SYSTEM INTERFACE.............................................................. 14
3.2.2 ENCODER .............................................................................................................. 14
3.2.3 PULSE SHAPER .................................................................................................... 14
3.2.4 TRANSMIT PATH LINE INTERFACE..................................................................... 18
3.2.5 TRANSMIT PATH POWER DOWN ........................................................................ 18
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
JITTER ATTENUATOR .................................................................................................... 22
3.4.1 JITTER ATTENUATION FUNCTION DESCRIPTION ............................................ 22
3.4.2 JITTER ATTENUATOR PERFORMANCE ............................................................. 22
LOS AND AIS DETECTION ............................................................................................. 23
3.5.1 LOS DETECTION ................................................................................................... 23
3.5.2 AIS DETECTION .................................................................................................... 24
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
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
ERROR DETECTION/COUNTING AND INSERTION ...................................................... 28
3.2.3.1 Preset Pulse Templates .......................................................................... 14
3.2.3.2 User-Programmable Arbitrary Waveform ................................................ 15
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
TEMPERATURE RANGES
INDUSTRIAL