Frequency response, Message channel noise – Nortel Networks 1000 User Manual

Page 466

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466

NT8D09 Analog Message Waiting Line card

Frequency response

The loss values in

Table 188 "NT8D09 Analog Message Waiting Line Card

frequency response" (page 466)

are measured relative to the loss at 1

kHz.

Table 187
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

Frequency response

The loss values in

Table 188 "NT8D09 Analog Message Waiting Line Card

frequency response" (page 466)

are measured relative to the loss at 1

kHz.

Table 188
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.

Table 189 "NT8D09 Analog Message Waiting Line card technical
summary" (page 467)

provides a technical summary of the analog

message waiting line card.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

02.06

Standard

27 August 2008

Copyright © 2003-2008 Nortel Networks

.

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