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Add-ons
14
System Telephones on the Forum 500 / Forum 5000
Module 2nd Forum Phone
A Module 2nd Forum Phone is an adapter with a U
pn
interface (1)
for connecting an additional Forum Phone, and a socket for an AC
adapter (2).
You can use the AC adapter on the Forum Phone 520 and on the
Forum Phone 530.
Note:
Please operate only the AC adapter with the part no.
900 263 33 on the Module 2nd Forum Phone.
Module 2nd Forum Phone (U
pn
adapter) on the back of the
Forum Phone 520
In order to install an adapter, you have to remove the cover from
the back of the Forum Phone. Insert the U
pn
adapter in the socket
until it snaps into place. It is possible to install adapters during
operation: you do not have to disconnect the telephone from the
system in order to do this.
Note:
In the case of a Forum Phone 530 you can plug a U
pn
adapter into either of the two sockets. However, you can only
operate one U
pn
adapter on each Forum Phone 530.
Using the U
pn
adapter you can connect an additional
Forum Phone 520 or Forum Phone 530as a second telephone. A
second telephone connected via a U
pn
adapter is completely inde-
pendent of the first one. Connection via adapter is not a parallel
connection.
When connecting a second telephone, you require a UP cable. Use
this cable to connect the additional Forum Phone to the U
pn
adapter (1) on the first telephone.
The 2-wire UP cable must not exceed 30 m in length. Depending
on the length of the cable and the type of Forum Phone connected
as a second telephone, there may be insufficient feed power. This
could result in a decrease of the ringer volume and the open
2
1
Содержание Forum 520
Страница 1: ...Belgacom Forum 500 and Forum 5000 Forum Phone 520 Forum Phone 530 User Guide ...
Страница 4: ...Forum Keypad 530 Charges Toggle Conference E Mail Appointments ...
Страница 10: ...6 ...
Страница 127: ...Notes 123 Index Notes ...
Страница 128: ...Notes 124 Index Notes ...