Installing Cable Between The External S Port And Isdn (Ntba) - Auerswald COMpact 4000 Operation Manual

Installation and Commissioning
Network Provider
Installing Cable Between the External S
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
2. Insert the other end of the ISDN cable into the RJ-45 socket on the NTBA.
Installing Cable Between the External S
Requirements:
• Inserted COMpact 2BRI module
• Enabled operating mode "S
Note: The default setting is „S
• Terminators enabled at both ends of the connection – in the NTBA and in the PBX on the
external S port in question
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• 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
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.
1. Attach the wires to the four terminal clamps in the NTBA.
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Port and ISDN (NTBA)
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Port and ISDN (NTBA)
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external" on the S
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external" for port 1 and „S
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COMpact 4000 - Firmware V6.6A - Installation, Operation and Configuration V03 03/2016
port in question
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internal" for port 2.
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port.
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