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BT 400 User Manual

Page 29

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29

Problem

Solutions

Display says PIN

Check that the programming lock
is locked and the key has been
removed

No ring

Check that incoming calls are not
barred – see page 20

Check that you don’t have too
many phones connected to your
payphone line

Your Payphone Contour 400 has a REN
of 2, check that the total REN of all
your phones doesn’t add up to more
than 4.

Each phone connected to a phone line
uses the signal that comes down the
line. The signal is only strong enough for
a few phones so you need to make sure
you don’t have too many phones
connected to the line. The REN number
is a guide to how much of the signal
your phone uses.

Calls

and

cash

pages

4

17

F

eatures

pages

18

27

T

roubleshooting

pages

28

29

Power loss
The Payphone Contour 400 is mains powered.
If it is unplugged or there is a power loss, only
emergency calls will be possible.
These facilities will not work:

loudspeaker

headset

text phone

large button keypad

any equipment connected to the serial port

backlit display

incoming calls

2305 c400 User Guide 3.9br 23/10/01 5:22 pm Page 29