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System Cards 9-21
WAN Card WAN Card User Screens and Settings
Table 9-2 lists several actions you can perform from the WAN Card Main Screen. These
actions appear in the bottom-highlighted line of the screen. To perform an action, simply press
the key corresponding to the capital letter of the desired action. For example, to save your
parameter settings, press “s” to invoke the Save commands.
Table 9-2. T1 CSU and DSX Main Screen Actions
Table 9-3 lists the CSU/DSX settings on the screen, along with their possible and default
values. For information about cross-connects and for the DS0 time slot map used to connect
your WAN to voice and data user cards.
In addition to the Local and Line Loopbacks described below, a single or dual WAN card with
a CSU Module will recognize and respond to industry-standard T1 loop-up and loop-down
codes generated and applied from the network or a remote device. However, the WAN card
will ignore those codes if it has a DSX/CEPT Module.
Action Function
Save Saves changes to settings
Undo Returns all settings to the last saved state.
Refresh Updates certain time-related information fields that are not automatically
updated (e.g., performance and test data).
Xcon Shows the cross-connect map for each WAN port.
Perf Brings up the Performance Data Screen for the near-end system. See the
Performance Data section of this chapter.
Farstat Brings up the performance data for the far-end system. See the Far-End
Data section of this chapter.
Test Initiates and monitors testing of all WAN card ports. Refer to the Test
section of this chapter.
sWitch Allows you to switch WAN port operation to the redundant (WAN-R)
card.
pArs PARS (Premisys Automatic Rerouting System) feature protects the traffic
of a failed T1/E1 transmission line in a ring network. The PARS feature is
not supported in CPU-7.
Main Returns to the System Main Screen. If changes are made to settings and
not saved, you will be prompted to save or lose changes.