Avaya Nortel Communication Server 1000 Reference page 13

Chapter 26: NTAK09 1.5 Mb DTI/PRI card.........................................................................
Contents.................................................................................................................................................... 491
Introduction............................................................................................................................................... 491
Physical description.................................................................................................................................. 492
NTAK09 DTI/PRI power on self-test................................................................................................. 493
NTAK20 power on self-test............................................................................................................... 493
NTAK93 self-test............................................................................................................................... 494
DTI/PRI local self-test....................................................................................................................... 494
Power requirements......................................................................................................................... 494
Foreign and surge voltage protection............................................................................................... 494
Functional description............................................................................................................................... 495
Architecture............................................................................................................................................... 495
Signaling interface............................................................................................................................ 495
Interconnection................................................................................................................................. 495
Microprocessor................................................................................................................................. 496
Digital pad........................................................................................................................................ 496
D-channel interface.......................................................................................................................... 497
DS-1 Carrier interface...................................................................................................................... 497
Clock controller interface.................................................................................................................. 498
Clock rate converter......................................................................................................................... 499
Chapter 27: NTAK10 2.0 Mb DTI card................................................................................
Contents.................................................................................................................................................... 501
Introduction............................................................................................................................................... 501
Physical description.................................................................................................................................. 502
Power requirements......................................................................................................................... 503
Environment..................................................................................................................................... 503
Functional description............................................................................................................................... 503
Applicability to France...................................................................................................................... 504
Architecture............................................................................................................................................... 504
DS-30X interface.............................................................................................................................. 504
Signaling interface............................................................................................................................ 506
Clock controller interface.................................................................................................................. 507
Switch settings................................................................................................................................. 510
Chapter 28: NTAK20 Clock Controller daughterboard....................................................
Contents.................................................................................................................................................... 513
Introduction............................................................................................................................................... 513
Clocking modes................................................................................................................................ 514
Tracking mode.................................................................................................................................. 514
Free-run (non-tracking).................................................................................................................... 515
Physical description.................................................................................................................................. 515
Faceplate LEDs................................................................................................................................ 515
Functional description............................................................................................................................... 516
Phase difference detector circuit...................................................................................................... 516
Digital phase lock loops.................................................................................................................... 517
System clock specification and characteristics................................................................................ 517
Digital to analog converter................................................................................................................ 518
CPU-MUX bus interface................................................................................................................... 519
Circuit Card Reference
491
501
513
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