Specifications

Table Of Contents
5-44
Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
Chapter 5 Maintenance
Troubleshooting
Step 9 Power ON ( | ) the dial shelf using the power switches located on each PEM front panel.
Step 10 If using the optional AC-input power shelf, power ON ( | ) the power supplies using the power switches
on the power shelf front panel.
Step 11 Power ON ( | ) the router shelf using the power switches located on the Cisco 7206 router-shelf rear
panel.
Step 12 Note the service maintenance on your Site Log sheet.
This completes the backplane removal and replacement procedure. The backplane is a passive design.
Specific verification and troubleshooting instructions are considered unnecessary.
Troubleshooting
This section describes possible causes for specific symptom related to Cisco AS5800 hardware
components and software configurations.
For system startup and subsystem troubleshooting, refer to the chapter on troubleshooting in the
Cisco AS5800 Access Server Hardware Installation Guide, available online at
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5800/hw_inst/
Common Misconfigurations
Incorrect ISDN switch-type
Orphan async interfaces
Encapsulation PPP missing
ISDN incoming-voice missing
Dialer group/dialer-list missing
Async mode interactive missing
Multilink bundle-name both not configured
AS5800 Router Shelf
Symptom
Cisco AS5800 RS boots up with boot prompt.
Possible Cause
Invalid boot system statement in the config.
No/wrong image on flash card for the platform.
Image downloaded in-correctly.