Introduction 569
trunk lines to the Meridian 1 switch. Each trunk interface is independently
configurable by software control using the TrunkAdministration program
LD 14.
The universal trunk card supports the following trunk types:
•Centralized Automatic Message Accounting (CAMA) trunks
•Central office (CO), Foreign Exchange (FEX), and Wide Area Telephone
Service (WATS)trunks
•Direct inward dial (DID) trunks
•TIE trunks: two-way loop dial repeating (LDR) and two-way loop
outgoing automatic incoming dial (OAID)
•Recorded Announcement (RAN) trunks
•Paging trunks
The universal trunk card also supports Music, Automatic Wake Up, and
Direct Inward System Access (DISA) features.
Table230 "Trunk and signaling matrix" (page 569) lists the signaling and
trunk types supported by the universal trunk card.
Table230
Trunkand signaling matrix
Trunk types
Signaling type CO/FX/
WATS DID Tie RAN Paging CAMA
Loop start Yes No
(seenote) No N/A N/A Yes
Ground start Yes No No N/A N/A No
Loop DR No Yes Yes N/A N/A No
Loop OAID No No Yes N/A N/A No
Continuous operation mode No No No Yes N/A No
Start modes (pulse and level) No No No Yes N/A No
Note: For incoming and outgoing service, DID trunks must be programmed as loop dial repeating.
The NT8D14 Universal TrunkCard is an analog trunk card that can be
installed in either the Media Gateway or Media GatewayExpansion. The
NT8D14 Universal Trunkcard interfaces eight analog trunk lines to the CS
1000 system. Each trunk interface is independently configured by software
control using the TrunkAdministration program LD 14.
Each Media Gateway and Media GatewayExpansion can contain up to
four analog trunk cards.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.