Avaya Nortel Communication Server 1000 Reference page 18

Media storage........................................................................................................................................... 626
Fixed media drive............................................................................................................................. 626
Removable media drive.................................................................................................................... 626
Hard disk drive................................................................................................................................. 627
Memory..................................................................................................................................................... 630
Memory upgrade.............................................................................................................................. 630
Ethernet interfaces.................................................................................................................................... 635
ELAN................................................................................................................................................ 635
HSP.................................................................................................................................................. 636
TLAN................................................................................................................................................ 636
Serial data interface ports......................................................................................................................... 636
TTY parameters............................................................................................................................... 636
USB 2.0 port.............................................................................................................................................. 637
Security device.......................................................................................................................................... 637
Faceplate.................................................................................................................................................. 637
Faceplate buttons............................................................................................................................. 639
DIP switch........................................................................................................................................ 639
LED indicators........................................................................................................................................... 639
Status LED....................................................................................................................................... 639
Active CPU LED............................................................................................................................... 640
Ethernet LEDs.................................................................................................................................. 640
Removable and fixed media drive LEDs.......................................................................................... 641
Chapter 42: NTDW62, NTDW64, and NTDW78 Media Gateway Controller
Daughterboards..................................................................................................................
Contents.................................................................................................................................................... 643
Introduction............................................................................................................................................... 643
Media Gateway Controller card................................................................................................................. 643
Daughterboard configurations................................................................................................................... 644
Chapter 43: NTDW65 Voice Gateway Media Card............................................................
Contents.................................................................................................................................................... 647
Introduction............................................................................................................................................... 647
Ethernet ports............................................................................................................................................ 648
External connections................................................................................................................................. 648
Internal connections......................................................................................................................... 648
Backplane interfaces................................................................................................................................. 649
Serial data interface ports......................................................................................................................... 649
TTY settings..................................................................................................................................... 649
Faceplate LED display.............................................................................................................................. 649
Chapter 44: NTRB21 DTI/PRI/DCH TMDI card..................................................................
Contents.................................................................................................................................................... 651
Introduction............................................................................................................................................... 651
Physical description.................................................................................................................................. 652
Power requirements......................................................................................................................... 655
Foreign and surge voltage protection............................................................................................... 655
Functional description............................................................................................................................... 655
Software description.................................................................................................................................. 656
Hardware description................................................................................................................................ 656
18 Circuit Card Reference
643
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July 2011