IDT82P2282 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT82P2282 Datasheet PDF : 383 Pages
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IDT82P2282
DUAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3.18.2.2 Transmit Clock Slave Mode ............................................................................................................................................. 66
3.18.2.3 Transmit Multiplexed Mode .............................................................................................................................................. 67
3.18.2.4 Offset ................................................................................................................................................................................ 67
3.19 TRANSMIT PAYLOAD CONTROL .............................................................................................................................................................. 68
3.20 FRAME GENERATOR ................................................................................................................................................................................. 69
3.20.1 Generation ...................................................................................................................................................................................... 69
3.20.1.1 T1 / J1 Mode .................................................................................................................................................................... 69
3.20.1.1.1 Super Frame (SF) Format ............................................................................................................................. 69
3.20.1.1.2 Extended Super Frame (ESF) Format ........................................................................................................... 69
3.20.1.1.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 69
3.20.1.1.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 69
3.20.1.1.5 Interrupt Summary ......................................................................................................................................... 70
3.20.1.2 E1 Mode ........................................................................................................................................................................... 71
3.20.1.2.1 Interrupt Summary ......................................................................................................................................... 72
3.20.2 HDLC Transmitter .......................................................................................................................................................................... 74
3.20.2.1 HDLC Channel Configuration ........................................................................................................................................... 74
3.20.2.2 Two HDLC Modes ............................................................................................................................................................ 74
3.20.2.2.1 HDLC Mode ................................................................................................................................................... 74
3.20.2.2.2 SS7 Mode ...................................................................................................................................................... 74
3.20.2.3 Interrupt Summary ............................................................................................................................................................ 75
3.20.2.4 Reset ................................................................................................................................................................................ 75
3.20.3 Automatic Performance Report Message (T1/J1 Only) .............................................................................................................. 76
3.20.4 Bit-Oriented Message Transmitter (T1/J1 Only) .......................................................................................................................... 77
3.20.5 Inband Loopback Code Generator (T1/J1 Only) .......................................................................................................................... 77
3.20.6 All ‘Zero’s & All ‘One’s ................................................................................................................................................................... 77
3.20.7 Change Of Frame Alignment ......................................................................................................................................................... 77
3.21 TRANSMIT BUFFER .................................................................................................................................................................................... 78
3.22 ENCODER .................................................................................................................................................................................................... 78
3.22.1 Line Code Rule ............................................................................................................................................................................... 78
3.22.1.1 T1/J1 Mode ...................................................................................................................................................................... 78
3.22.1.2 E1 Mode ........................................................................................................................................................................... 78
3.22.2 BPV Error Insertion ........................................................................................................................................................................ 78
3.22.3 All ‘One’s Insertion ........................................................................................................................................................................ 78
3.23 TRANSMIT JITTER ATTENUATOR ............................................................................................................................................................ 79
3.24 WAVEFORM SHAPER / LINE BUILD OUT ................................................................................................................................................. 80
3.24.1 Preset Waveform Template ........................................................................................................................................................... 80
3.24.1.1 T1/J1 Mode ...................................................................................................................................................................... 80
3.24.1.2 E1 Mode ........................................................................................................................................................................... 80
3.24.2 Line Build Out (LBO) (T1 Only) ..................................................................................................................................................... 81
3.24.3 User-Programmable Arbitrary Waveform .................................................................................................................................... 81
3.25 LINE DRIVER ............................................................................................................................................................................................... 88
3.26 TRANSMITTER IMPEDANCE MATCHING ................................................................................................................................................. 89
3.27 TESTING AND DIAGNOSTIC FACILITIES ................................................................................................................................................. 90
3.27.1 PRBS Generator / Detector ........................................................................................................................................................... 90
3.27.1.1 Pattern Generator ............................................................................................................................................................. 90
3.27.1.2 Pattern Detector ............................................................................................................................................................... 90
3.27.2 Loopback ........................................................................................................................................................................................ 91
3.27.2.1 System Loopback ............................................................................................................................................................. 91
3.27.2.1.1 System Remote Loopback ............................................................................................................................ 91
3.27.2.1.2 System Local Loopback ................................................................................................................................ 91
3.27.2.2 Payload Loopback ............................................................................................................................................................ 91
3.27.2.3 Local Digital Loopback 1 .................................................................................................................................................. 91
3.27.2.4 Remote Loopback ............................................................................................................................................................ 91
3.27.2.5 Local Digital Loopback 2 .................................................................................................................................................. 91
Table of Contents
iii
October 7, 2003
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