Using The Reset Switch - Cisco uBR924 Installation Manual

Using the Reset Switch

Table 4-3
LED Status
V OK Voice status
LED is off for a
router
configured for
voice.
V1 or Voice port LED
V2 is off when a
call on the port
is initiated for a
router
configured for
voice.
Using the Reset Switch
The Cisco uBR924 router contains a reset switch with three different actions:
•
•
•
Cisco uBR924 Router Hardware Installation Guide
4-12
VoIP Troubleshooting Tips
Possible Problem
VoIP system configuration
problem.
Bad telephone or fax machine
connection.
Bad cable.
Equipment configuration problem.
A quick press (less than 10 seconds) initiates a hardware reset, similar to a power cycle or software
reload.
Pressing the reset switch from between 10 and 30 seconds causes the router to clear its saved RF
parameters and do a hardware reload. This reload is similar to plugging in the router for the first
time.
Pressing the reset switch for longer than 30 seconds causes the router to erase its system image and
download a new system image over the cable interface should the CMTS system administrator have
set certain options in the configuration file, in conjunction with field service personnel. The router
then reboots with this new image.
Suggested Action
Contact your provisioning or billing administrator or
customer service department. If your provisioning or
billing system is designed to support automatic feature
upgrades, and the router's UID (cable MAC address) is
already in the billing system and configured for use with
voice, ask to have the router refreshed with the correct
voice configuration.
This procedure can take several minutes.
Note
Reseat the RJ-11 to RJ-11 cable at both ends for both the
telephone and fax machine.
Use a different cable.
For a telephone, make sure a push-button dial set is used.
For fax, make sure the fax machine is on. If fax software is
used, make sure the data mode is not used. Ensure a
Cisco IOS Release 12.0(5)T image is used.
If a two-line telephone is connected to the router, make sure
it is connected to the V1+V2 rear connector. If a single line
telephone is plugged into V2 at the same time a two-line
telephone is plugged into V1+V2, the single-line telephone
and line 2 of the two-line telephone act as if they are
attached in parallel to V2.
Make sure the sum of the RENs of all devices on any one
telephone line does not exceed five for subscriber sites that
support multiple voice devices per telephone line.
Chapter 4 Troubleshooting
OL-0338-01 (3/2000)