Installing and Switching on the PBX
ISDN End Devices
Connecting ISDN End Devices Directly to the internal U
Connecting ISDN End Devices Directly to the internal U
Requirements:
– Cover panel is removed
– Internal U
port (only provided at the optionally available COMpact ISDN module)
P0
– Terminators switched on at the internal U
– 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
/S
adapter
P0
0
Note: For connecting one single COMfortel 1100/1500/2500/2500 AB
system telephone, a U
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
ISDN module.
b) Insert the RJ-45 plug of the end device into the RJ-45 socket of the U
adapter.
COMpact 3000 analog/ISDN/VoIP - Firmware Version 4.0 - Version of the Manual 03 02/11
Port
P0
port
P0
/S
adapter is not necessary.
P0
0
/S
adapter into the RJ-45 socket of the COMpact
P0
0
Port
P0
/S
P0
0
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