Viewing WAN Interface Status 4-7
WAN Applications
Using the T1 FracTable Configuration Window
The FracTable ConÞguration window allows you to assign your interfaces to the
24 channels on the T1 line according to the mapping provided by your WAN
carrier.
To open the T1 FracTable ConÞguration window from the T1 Port ConÞguration
window:
1. Click on the FracTable button. The T1 FracTable Configuration window,
Figure 4-4, will appear.
This figure illustrates an example configuration of a T1 connection that was
set according to the mapping provided by the wide area carrier.
Figure 4-4. WAN T1 FracTable ConÞguration Window
The T1 FracTable ConÞguration window displays the following information:
Interface LineCoding
Displays the Line Coding set for this interface. Click on the associated button per
your WAN service providerÕs instructions to select: JBZS, InvHDLC, and None.
Interface
Displays the ifIndex interface index value for each interface, which is a unique
identiÞer for each physical and logical interface on the device. You use the ifIndex
to map the interface on the fractional table of a T1 port.
!
CAUTION
None (the default value) should not be selected when you are using AMI line coding on
the T1 line; for more information on setting the T1 line coding refer to WAN Port Name,
page 4-5.