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