Chapter 3 Troubleshooting
Diagnosing Problems
3-8
Catalyst 2900 Series XL Hardware Installation Guide
78-6461-04
LRE link goes down when
telephone is taken
off-hook, placed on-hook,
rings, or dials.
Unfiltered telephone tap on LRE line.
•
Connect telephone cable into
PHONE socket on LRE CPE
device.
•
Terminate additional
telephone lines with
microfilters. For more
information about
microfilters, contact your
Cisco sales representative.
Table 3-2
Common Problems and Their Solutions (continued)
Symptom
Possible Cause
Resolution