Proximus Forum 500 Series, Руководство по монтажу и пусконаладке

Страница: 113 / 348

Interfaces and Connectible Terminals
111
To connect a DECT base station to two U
pn
interfaces, you can combine two
U
pn
ports on the Forum 550 Card 8 digital extensions interface card: U
pn
ports 1+2, 3+4, 5+6 or 7+8 (U
pn
port 2 is connected to U
pn
port 1, U
pn
port 4
to U
pn
port 3 etc.). Ports are combined by setting the DIP switches on the card
accordingly. In this configuration, the DECT base station must be connected
to the first U
pn
port of the pair by means of a 1:1 cable (system telephone
cable).
Setting DIP switches
1.
Remove the interface card by following the instructions in Installing
Interface Cards starting on page 97.
2. The DIP switches are protected by a plastic foil. Use a pointed tool such as
a screwdriver to slide the DIP switches to the right (see arrow in the illus-
tration
Location of the DIP switches on the Forum 550 Card 8 digital
extensions card on page 111).
Location of the DIP switches on the Forum 550 Card 8 digital extensions
card
a/b Ports
Terminals Connected to a/b Ports
a/b ports can be used to connect analogue terminals, e.g. apparatus for
speech and data communications using DTMF dialling, e.g.:
● analogue telephones,
● G3 fax machines,
1 2
ON