
Configuring WAN Line Services
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Configuring ISDN PRI B-Channels
ISDN Primary Rate Interface (PRI) software eliminates the need for an external
ISDN terminal adapter (TA) when attaching a Bay Networks BLN or BCN router
to an ISDN network. The ISDN PRI software interface connects directly to an
ISDN switched service network through a MCT1 or MCE1 link module.
The Bay Networks ISDN PRI software interface complies with the North
American and European ISDN PRI standards. The North American standard
provides 23 B-channels of 64 Kb/s each and one 64-Kb/s D-channel. The
European standard provides 30 B-channels plus one D-channel.
To configure ISDN PRI B-channels:
1. Start at the PRI Logical Lines window (Figure 7-12).
Figure 7-12. PRI Logical Lines Window (MCE1 Example)
2.
Click on B-Channels.
The MCE1 Timeslots (F
igure 7-13) or MCT1 Timeslots window appears.
This window graphically represents the timeslots (31 for MCE1, 24 for
MCT1).
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