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Querying ISDN D Channels

This procedure describes how to query D channels related to the ISDN interface configuration.

Before you begin

Make sure that the LLC and SwitchManager are running. For information on running the LLC and SwitchManager refer to the SwitchKit documentation.

Do the following to query ISDN D Channels:

1 Go to the monitoring mode node view.

2 Click on the ISDN Series 3 Card to open the Viewing Channels of... dialog box.

3 Right-click the span with D channels.

4 From the menu, select Query L3 D Channel SM or Query L3P D Channel SM.

If you selected L3 D channel state, that state is displayed.

If you selected L3P D channel state, that state is displayed.

Click OK to close the D channel state window.

See Integrated Services Digital Network.
Data channel. One of two fundamental components of an ISDN interface, it provides a path (16Kbps for BRI, 64Kbps for PRI) for carrying control signals and call data in a packet-switched mode.