IDT82P2284BB Просмотр технического описания (PDF) - Integrated Device Technology
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IDT82P2284BB Datasheet PDF : 384 Pages
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IDT82P2284
QUAD T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3.18.2.2 Transmit Clock Slave Mode ............................................................................................................................................. 67
3.18.2.3 Transmit Multiplexed Mode .............................................................................................................................................. 68
3.18.2.4 Offset ................................................................................................................................................................................ 68
3.19 TRANSMIT PAYLOAD CONTROL .............................................................................................................................................................. 69
3.20 FRAME GENERATOR ................................................................................................................................................................................. 70
3.20.1 Generation ...................................................................................................................................................................................... 70
3.20.1.1 T1 / J1 Mode .................................................................................................................................................................... 70
3.20.1.1.1 Super Frame (SF) Format ............................................................................................................................. 70
3.20.1.1.2 Extended Super Frame (ESF) Format ........................................................................................................... 70
3.20.1.1.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 70
3.20.1.1.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 70
3.20.1.1.5 Interrupt Summary ......................................................................................................................................... 71
3.20.1.2 E1 Mode ........................................................................................................................................................................... 72
3.20.1.2.1 Interrupt Summary ......................................................................................................................................... 73
3.20.2 HDLC Transmitter .......................................................................................................................................................................... 75
3.20.2.1 HDLC Channel Configuration ........................................................................................................................................... 75
3.20.2.2 Two HDLC Modes ............................................................................................................................................................ 75
3.20.2.2.1 HDLC Mode ................................................................................................................................................... 75
3.20.2.2.2 SS7 Mode ...................................................................................................................................................... 75
3.20.2.3 Interrupt Summary ............................................................................................................................................................ 76
3.20.2.4 Reset ................................................................................................................................................................................ 76
3.20.3 Automatic Performance Report Message (T1/J1 Only) .............................................................................................................. 77
3.20.4 Bit-Oriented Message Transmitter (T1/J1 Only) .......................................................................................................................... 78
3.20.5 Inband Loopback Code Generator (T1/J1 Only) .......................................................................................................................... 78
3.20.6 All ‘Zero’s & All ‘One’s ................................................................................................................................................................... 78
3.20.7 Change Of Frame Alignment ......................................................................................................................................................... 78
3.21 TRANSMIT BUFFER .................................................................................................................................................................................... 79
3.22 ENCODER .................................................................................................................................................................................................... 79
3.22.1 Line Code Rule ............................................................................................................................................................................... 79
3.22.1.1 T1/J1 Mode ...................................................................................................................................................................... 79
3.22.1.2 E1 Mode ........................................................................................................................................................................... 79
3.22.2 BPV Error Insertion ........................................................................................................................................................................ 79
3.22.3 All ‘One’s Insertion ........................................................................................................................................................................ 79
3.23 TRANSMIT JITTER ATTENUATOR ............................................................................................................................................................ 80
3.24 WAVEFORM SHAPER / LINE BUILD OUT ................................................................................................................................................. 81
3.24.1 Preset Waveform Template ........................................................................................................................................................... 81
3.24.1.1 T1/J1 Mode ...................................................................................................................................................................... 81
3.24.1.2 E1 Mode ........................................................................................................................................................................... 81
3.24.2 Line Build Out (LBO) (T1 Only) ..................................................................................................................................................... 82
3.24.3 User-Programmable Arbitrary Waveform .................................................................................................................................... 82
3.25 LINE DRIVER ............................................................................................................................................................................................... 89
3.26 TRANSMITTER IMPEDANCE MATCHING ................................................................................................................................................. 90
3.27 TESTING AND DIAGNOSTIC FACILITIES ................................................................................................................................................. 91
3.27.1 PRBS Generator / Detector ........................................................................................................................................................... 91
3.27.1.1 Pattern Generator ............................................................................................................................................................. 91
3.27.1.2 Pattern Detector ............................................................................................................................................................... 91
3.27.2 Loopback ........................................................................................................................................................................................ 92
3.27.2.1 System Loopback ............................................................................................................................................................. 92
3.27.2.1.1 System Remote Loopback ............................................................................................................................ 92
3.27.2.1.2 System Local Loopback ................................................................................................................................ 92
3.27.2.2 Payload Loopback ............................................................................................................................................................ 92
3.27.2.3 Local Digital Loopback 1 .................................................................................................................................................. 92
3.27.2.4 Remote Loopback ............................................................................................................................................................ 92
3.27.2.5 Local Digital Loopback 2 .................................................................................................................................................. 92
Table of Contents
iii
March 22, 2004
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