Nortel Networks 311 사용자 설명서
686
NT8D14 Universal Trunk card
In Option 11C systems, the insertion loss from IPE ports to IPE ports is as
follows.
follows.
Table 246
Insertion Loss from IPE Ports to IPE Ports (measured in dB)
Insertion Loss from IPE Ports to IPE Ports (measured in dB)
Connector pin assignments
The universal trunk card connects the eight analog trunks to the backplane
through a 160-pin connector shroud. Telephone trunks connect to the
universal trunk card at the back of the Media Gateway using a 25-pin
connector.
through a 160-pin connector shroud. Telephone trunks connect to the
universal trunk card at the back of the Media Gateway using a 25-pin
connector.
A list of the connections to the universal trunk card is shown in
. See Communication
Server 1000M and Meridian 1 Large System Installation and Configuration
(NN43021-310) for I/O panel connector information and wire assignments
for each tip/ring pair.
(NN43021-310) for I/O panel connector information and wire assignments
for each tip/ring pair.
Table 247
Universal trunk card - backplane pinouts
Universal trunk card - backplane pinouts
Signal
Signal
Trunk
Number
Back-
plane
Pin
RAN
mode
Paging
mode
Other
modes
Back-
plane
Pin
RAN
mode
Paging
mode
Other
modes
0
12A
Tip
Tip
Tip
12B
Ring
Ring
Ring
13A
CP
A
N/A
13B
MB
RG
N/A
1
14A
Tip
Tip
Tip
14B
Ring
Ring
Ring
15A
CP
A
N/A
15B
MB
RG
N/A
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.