Nortel Networks Circuit Card 311 - Manual (Page 553)

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
Table 219 "Power requirements" (page 553) provides the power
requirements for the NT8D09 Analog Message Waiting Line card.
Table 219
Power requirements
Voltage
(+/-)
Tolerance
Idle
current Active
current
Max
+ 12.0 V dc 0.36 V dc 48 mA 0 mA 48
mA
+ 8.0 V dc 0.40 V dc 150 mA 8 mA 280
mA
–48.0 V dc 2.00 V dc 48 mA 40 mA 688
mA
–48.0 V dc 5.00 V dc 0 mA 10 mA
(Note 1) 320
mA
86.0 V ac 5.00 V ac 0 mA 10 mA
(Note 2) 160
mA
–150.0 V dc 3.00 V dc 0 mA 2 mA 32
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.
Table 220 "Analog message waiting line card - power requirements" (page
554)
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
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.