COMpact 5000/R - Firmware V6.6A - Installation, Operation and Configuration V05 03/2016
81
Installation and Commissioning
Network Provider
Installing Cable Between the External S
0
Port and ISDN (NTBA)
Note:
If the NTBA is relatively far away from the PBX, a cable with wall socket
must first be laid.
1. Insert one end of the ISDN cable into the RJ-45 socket of the external S
0
port.
2. Insert the other end of the ISDN cable into the RJ-45 socket on the NTBA.
Installing Cable Between the External S
0
Port and ISDN (NTBA)
Requirements:
•
Inserted COMpact 2BRI module
•
Enabled operating mode “S
0
external” on the S
0
port in question
Note:
The default setting is „S
0
external“ for port 1 and „S
0
internal“ for port 2.
•
Terminators enabled at both ends of the connection – in the NTBA and in the PBX on the
external S
0
port in question
•
Maximum distance/line length between the devices depending on the connection type:
–
Up to 150 m for a PTMP connection
–
Up to 1000 m for a PTP connection
•
Installation cable (for example, J Y (St) Y 2 x 2 x 0.6) with the following characteristics:
–
4-core
–
Unscreened; however: screened for unfavourable conditions, for example, near a
strong transmitter or an electrical power line
–
Preferably star quad stranding
1. Attach the wires to the four terminal clamps in the NTBA.
Warnung:
Power surges, which can occur during electrical storms, can
cause life-threatening electric shocks, or damage or destroy the PBX.
•
Hire a qualified electrician to lay the cables within the building.