Nortel Networks 311 User Manual
784
NT8D15 E and M Trunk card
2-wire Paging Mode
2-wire Type I Mode
Trunk
Number
Number
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
66B
Tip
66A
Ring
66B
Tip
66A
Ring
3
69B
A
69A
PG
48B
E
68A
M
Table 302
E and M Trunk card - backplane pinouts for 4-wire modes
E and M Trunk card - backplane pinouts for 4-wire modes
4-wire Type I Mode
4-wire Type II Mode
Trunk
Number
Number
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
12B
TA
12A
TB
12B
TA
12A
TB
13B
RA
13A
RB
13B
RA
13A
RB
14B
E
14A
M
14B
EA
14A
EB
0
15B
ECG
15A
ESCG
15B
MA
15A
MB
16B
TA
16A
TB
16B
TA
16A
TB
17B
RA
17A
RB
17B
RA
17A
RB
18B
E
18A
M
18B
EA
18A
EB
1
19B
ECG
19A
ESCG
19B
MA
19A
MB
62B
TA
62A
TB
62B
TA
62A
TB
63B
RA
63A
RB
63B
RA
63A
RB
64B
E
64A
M
64B
EA
64A
EB
2
65B
ECG
65A
ESCG
65B
MA
65A
MB
66B
TA
66A
TB
66B
TA
66A
TB
67B
RA
67A
RB
67B
RA
67A
RB
68B
E
68A
M
68B
EA
68A
EB
3
69B
ECG
69A
ESCG
69B
MA
69A
MB
Configuration
Each of the four trunk circuits on the E and M Trunk card can be individually
configured for trunk type, companding mode, and port-to-port loss
compensation. Configuring the card requires both jumper changes and
configuration software service entries.
configured for trunk type, companding mode, and port-to-port loss
compensation. Configuring the card requires both jumper changes and
configuration software service entries.
The locations of the jumpers are shown in
.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.