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Nortel Networks 1000 User Manual

Page 88

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88

Option settings

Application

Ringing
frequency

Ringing
voltage

Jumper locations

Ringing output

message waiting

British Telecom

25 Hz

80 V ac

P4

No high voltage

message waiting

Low impedance

Table 22
NT6D42 jumper locations P4 and P5

High voltage message waiting

Pin location

Disable

Jumper in P4

Enable

Jumper in P5

Note: One jumper must be installed.

Table 23
NT6D42 jumper location J7

Ringing output

Jumper location J7

Low impedance (normal)

Connect pins 1 and 2

High impedance (Australia)

Connect pins 2 and 3

Table 24
NT6D42 SW1

Ringing frequency (Hz)

Position SW1

20

1

25

2

50

3

Table 25
NT6D42CB SW2

SW2

Ringing

voltage

Message waiting

voltage

1

2

3

4

86 V ac

–120 V dc

off

off

off

off

86 V ac

–150 V dc

off

off

off

on

80 V ac

–120 V dc

on

off

off

off

80 V ac

–150 V dc

on

off

off

on

75 V ac

–120 V dc

off

on

off

off

75 V ac

–150 V dc

off

on

off

on

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

02.06

Standard

27 August 2008

Copyright © 2003-2008 Nortel Networks

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