Nortel Circuit Card Installation Manual page 60

Page 60 of 906 Overview
Table 7
Trunk card characteristics
Part
Number Description
NT8D14 Universal Trunk card
NT8D15 E&M Trunk card
NTCK16 Generic Central Office
Trunk card
* Central office (CO), Foreign Exchange (FX), and Wide Area Telephone Service (WATS) trunks.
553-3001-211 Standard 3.00
Each of the trunk cards was designed to fit a specific system need. Use
Table 7 to help select the trunk card that will best meet system needs.
NT8D14 Universal Trunk card
The NT8D14 Universal Trunk card is an intelligent four-channel trunk card
that is designed to be used in a variety of applications. It supports the
following five trunk types:
• 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 (PAG) trunks
August 2005
Trunks Trunk Types
8 CO/FX/WATS trunks*,
direct inward dial trunks,
TIE trunks,
Loop Dial Repeating trunks
Recorded Announcement
trunks,
Paging trunks
4 2-wire E&M trunks,
4-wire E&M trunks,
4-wire DX trunks,
Paging trunks
8 CO trunks
Architecture
IPE
IPE
IPE