ISDN switch S0 ports

From: Marcus (m.gaza@gmx.de)
Date: Fri Sep 17 2004 - 12:33:42 GMT-3

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Hi,

can anybody tell me if routers are connected to an ISDN switch's
external or internal S0 ports?
My ISDN switch (an "Opencom 110" from DeTeWe) has RJ-45 adapters for the
external S0 ports and simple clamp adapters for the internal S0 ports.
In order to use the internal S0 ports I would have to cut open an RJ-45
cable and stick the 4 cables in the clamp adapters.
Is this necessary?
Using the external S0 ports, "show isdn status/debug isdn q921" tells me
that Layer 1 is down. Persistently.

Greetings,
Marcus

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