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Modify BRI Port

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This option determines whether or not the ISDN S/T interface is terminated on this port.

The BRI physical interface comprises two parts:

  • in-house cabling (S/T bus) from the ISDN terminal to the Network Termination (NT).
  • transmission from the NT to the Central Office (U-reference point).

An S/T bus must be terminated at both ends. One end of which is the Network Termination device and the other end is the Terminal Equipment (TE) end.

Common Connection and Termination Scenarios

Connection SchemeTermination
No other devices on the same S-Bus.

Enabled

Other devices on the same S-Bus and the SBC is not the last device on the bus.Disabled
SBC is connected to a PBX.Enabled


Note
titleImportant Note

The BRI port on the SBC does not supply power.


See Also: Adding and Modifying ISDN Signaling Groups

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