550 NT8D09 Analog Message Waiting Line card
Table213
NT8D09 Analog Message Waiting Line Card frequency response
Frequency Minimum Maximum
60 Hz 20.0 dB —
200 Hz 0.0 dB 5.0 dB
300 Hz –0.5 dB 1.0dB
3000 Hz –0.5 dB 1.0dB
3200 Hz –0.5 dB 1.5dB
3400 Hz 0.0 dB 3.0 dB
Frequency response
The loss values in Table214 "NT8D09 Analog Message Waiting Line Card
frequency response" (page 550) are measured relative to the loss at 1 kHz.
Table214
NT8D09 Analog Message Waiting Line Card frequency response
Frequency Minimum Maximum
60 Hz 20.0 dB --
200 Hz 0.0 dB 5.0 dB
300 Hz -0.5 dB 1.0 dB
3000 Hz -0.5 dB 1.0 dB
3200 Hz -0.5 dB 1.5 dB
3400 Hz 0.0 dB 3.0 dB
Message channel noise
The message channel noise C-weighted (dBrnC) on 95 percent of the
connections (line to line) with both ends terminated in 600 ohms does not
exceed 20 dBrnC.
Table215 "NT8D09 Analog Message Waiting Line card technical summary"
(page 550) provides a technical summary of the analog message waiting
line card.
Table215
NT8D09 Analog Message Waiting Line card technical summary
Impedance 600ohms
Loop limit (excluding set) 1000 ohms at nominal -48 V (excluding set)
Leakage resistance 30,000 ohms
Ring trip Duringsilent or ringing intervals
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.