
Configuring Dial Services
4-48
Figure 4-28. WAN Protocols Menu
6.
Select a WAN protocol and click on OK.
Site Manager returns you to the Configuration Manager window and prompts
you to select a LAN protocol.
7. Select the LAN protocol and click on OK.
Your ISDN leased-line configuration is complete.
Editing the D Channel for Leased-Line Configurations
Although call setup is not performed on the D channel, the ISDN switch uses the
D channel to send and receive bits that activate and deactivate the ISDN interface.
Therefore, you can edit the D channel for your leased-line configuration.
If noise or other minor problems on the ISDN line are causing the router to bring
the line down frequently, you can set the BRI T4 Timer to prevent this from
happening. To edit this timer:
1. From the Configuration Manager, click on an ISDN connector that you
previously configured as a leased line.
Site Manager displays the ISDN Leased Line B Channels window
(Figure 4-27).
2. Click on Edit D Chan.
Site Manager displays the BRI Interface Configuration window (similar to
Figure 4-31 on page 4-53).
3. Enter a new value for the BRI T4 Timer according to the parameter
description.
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