Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario
NT8D14 Universal Trunk card
Page 555 of 894
Table 179 lists the signaling and trunk types supported by the NT8D14
Universal Trunk card.
Universal Trunk card.
Physical description
The trunk and common multiplexing circuitry is mounted on a 31.75 cm by
25.40 cm (12.5 in. by 10 in.) printed circuit board.
25.40 cm (12.5 in. by 10 in.) printed circuit board.
The NT8D14 Universal Trunk card connects to the backplane through a
160-pin connector shroud. The backplane is cabled to the I/O panel, which is
cabled to the Main Distribution Frame (MDF) by 25-pair cables. External
equipment, such as recorded announcement machines, paging equipment,
and Central Office facilities, connect to the card at the MDF.
160-pin connector shroud. The backplane is cabled to the I/O panel, which is
cabled to the Main Distribution Frame (MDF) by 25-pair cables. External
equipment, such as recorded announcement machines, paging equipment,
and Central Office facilities, connect to the card at the MDF.
See the Communication Server 1000S: Installation and Configuration
(553-3031-210) for termination and cross-connect information.
(553-3031-210) for termination and cross-connect information.
Table 179
Trunk and signaling matrix
Trunk and signaling matrix
Signaling type
Trunk types
CO/FX/
WATS
DID
Tie
RAN
Paging
CAMA
Loop start
Yes
No
(see note)
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
mode
No
No
No
Yes
N/A
No
Start modes
(pulse and level)
(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.
repeating.