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T7630 Datasheet(PDF) 3 Page - Agere Systems |
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T7630 Datasheet(HTML) 3 Page - Agere Systems |
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3 / 210 page  Lucent Technologies Inc. 3 Preliminary Data Sheet October 2000 T7630 Dual T1/E1 5.0 V Short-Haul Terminator (Terminator-II) Table of Contents (continued) Contents Page T1 Loss of Frame Alignment (LFA)......................................................................................................................57 T1 Frame Recovery Alignment Algorithms ..........................................................................................................58 T1 Robbed-Bit Signaling ..................................................................................................................................... 59 CEPT 2.048 Basic Frame, CRC-4 Time Slot 0, and Signaling Time Slot 16 Multiframe Structures ....................61 CEPT 2.048 Basic Frame Structure.....................................................................................................................62 CEPT Loss of Basic Frame Alignment (LFA).......................................................................................................63 CEPT Loss of Frame Alignment Recovery Algorithm ..........................................................................................63 CEPT Time Slot 0 CRC-4 Multiframe Structure ...................................................................................................64 CEPT Loss of CRC-4 Multiframe Alignment (LTS0MFA) ....................................................................................65 CEPT Loss of CRC-4 Multiframe Alignment Recovery Algorithms ......................................................................66 CEPT Time Slot 16 Multiframe Structure.............................................................................................................70 CEPT Loss of Time Slot 16 Multiframe Alignment (LTS16MFA) .........................................................................71 CEPT Loss of Time Slot 16 Multiframe Alignment Recovery Algorithm ..............................................................71 CEPT Time Slot 0 FAS/NOT FAS Control Bits ......................................................................................................71 FAS/NOT FAS Si- and E-Bit Source....................................................................................................................71 NOT FAS A-Bit (CEPT Remote Frame Alarm) Sources ......................................................................................72 NOT FAS Sa-Bit Sources ....................................................................................................................................72 Sa Facility Data Link Access................................................................................................................................73 NOT FAS Sa Stack Source and Destination........................................................................................................74 CEPT Time Slot 16 X0—X2 Control Bits .............................................................................................................76 Signaling Access.....................................................................................................................................................76 Transparent Signaling..........................................................................................................................................76 DS1: Robbed-Bit Signaling ..................................................................................................................................76 CEPT: Time Slot 16 Signaling.................................................................................................................................77 Auxiliary Framer I/O Timing ....................................................................................................................................78 Alarms and Performance Monitoring.......................................................................................................................81 Interrupt Generation.............................................................................................................................................81 Alarm Definition....................................................................................................................................................81 Event Counters Definition ....................................................................................................................................86 Loopback and Transmission Modes ....................................................................................................................88 Line Test Patterns................................................................................................................................................91 Automatic and On-Demand Commands ..............................................................................................................95 Receive Facility Data Link Interface.....................................................................................................................97 Transmit Facility Data Link Interface..................................................................................................................103 HDLC Operation ................................................................................................................................................104 Transparent Mode..............................................................................................................................................107 Diagnostic Modes ..............................................................................................................................................108 Phase-Lock Loop Circuit .......................................................................................................................................110 Framer-System (CHI) Interface .............................................................................................................................112 DS1 Modes ........................................................................................................................................................112 CEPT Modes......................................................................................................................................................112 Receive Elastic Store .........................................................................................................................................112 Transmit Elastic Store ........................................................................................................................................112 Concentration Highway Interface ..........................................................................................................................112 CHI Parameters .................................................................................................................................................113 CHI Frame Timing..............................................................................................................................................115 CHI Offset Programming....................................................................................................................................118 JTAG Boundary-Scan Specification ......................................................................................................................120 Principle of the Boundary Scan..........................................................................................................................120 |
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