Connecting the telephone system
19
Connecting the telephone system to an ISDN (NTBA)
connection
Take the ISDN cable which has 8 pin western plugs at both ends. Connect one end
to the port at the very left of your telephone system. Connect the other end to the
connector of your ISDN NTBA.
The second S
0
of your telephone system next to the left hand port is set to internal as
factory default. If you have jumpered this port to external you can connect the NTBA
of a second ISDN connection to this port.
Connection of ISDN or system telephones
For system or ISDN terminal devices telephone systems tiptel.com 411, tiptel.com
811, tiptel.comPact 42 IP 8, and 82 IP 8 provide you with one internal ISDN port in
factory default settings.
Take the ISDN cable which has 8 pin western plugs at both ends. Connect one end
to the second S
0
port from the left at your telephone system. Connect the other end
of the cable to your ISDN or system terminal device.
In case the ISDN cable to your terminal device is longer than 10 m
you need to install a termination resistor at the telephone. Your
specialist dealer will provide you with termination resistors which
can be connected to the network outlet to have a jack for connect-
ing the telephone cable.
