Nortel Networks 311 User Manual
Electrical specifications
553
Frequency (Hz)
Minimum (dB)
Maximum (dB)
3000
–0.5
1.0
3200
–0.5
1.5
3400
0.0
3.0
Power requirements
provides the power
requirements for the NT8D09 Analog Message Waiting Line card.
Table 219
Power requirements
Power requirements
Voltage
(+/-)
(+/-)
Tolerance
Idle
current
current
Active
current
current
Max
+ 12.0 V dc
0.36 V dc
48 mA
0 mA
48
mA
mA
+ 8.0 V dc
0.40 V dc
150 mA
8 mA
280
mA
mA
–48.0 V dc
2.00 V dc
48 mA
40 mA
688
mA
mA
–48.0 V dc
5.00 V dc
0 mA
10 mA
(Note 1)
(Note 1)
320
mA
mA
86.0 V ac
5.00 V ac
0 mA
10 mA
(Note 2)
(Note 2)
160
mA
mA
–150.0 V dc
3.00 V dc
0 mA
2 mA
32
mA
mA
Note 1: Each active ringing relay requires 10 mA of battery voltage.
Note 2: Reflects the current for ringing a single station set (or DN telephone).
There may be as many as five ringers on each line.
There may be as many as five ringers on each line.
provides the power requirements for the analog message waiting line
card.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.