Technical data

COMpact 3000 analog/ISDN/VoIP - Firmware Version 4.0 - Version of the Manual 03 02/11 63
Installing and Switching on the PBX
ISDN End Devices
Connecting ISDN End Devices Directly to the internal U
P0
Port
Connecting ISDN End Devices Directly to the internal U
P0
Port
Requirements:
– Cover panel is removed
– Internal U
P0
port (only provided at the optionally available COMpact ISDN module)
– Terminators switched on at the internal U
P0
port
– Short distances between the devices (maximum length of the connection cable used: 10 m)
Note: If the end device is placed a larger distance away from the PBX, the
cable and the wall sockets must be permanently installed.
–U
P0
/S
0
adapter
Note: For connecting one single COMfortel 1100/1500/2500/2500 AB
system telephone, a U
P0
/S
0
adapter is not necessary.
Depending on the type and number of end devices, proceed as follows.
• Single COMfortel 1100/1500/2500/2500 AB:
a) Insert the RJ-45 plug of the system telephone into the RJ-45 socket of the
COMpact ISDN module.
• Multiple end devices:
a) Insert the RJ-45 plug of the U
P0
/S
0
adapter into the RJ-45 socket of the COMpact
ISDN module.
b) Insert the RJ-45 plug of the end device into the RJ-45 socket of the U
P0
/S
0
adapter.