Recovering the CMU
Recovering the CMU
This section describes how the CMU enters recovery mode and how to recover the
CMU.
For a general description of the recovery mode, see
NOTE
Prerequisites
Before attempting to recover the CMU, follow these procedures:
x
Configure the IP interface on the PC
x
Connecting the PC
Entering recovery mode
Automatic recovery mode
When the CMU status indicator
mode.
The CMU may enter recovery mode automatically in the following circumstances:
x
When a checksum error occurs for the main application software image.
x
When the Short Power Cycle for Recovery attribute is enabled
CMU is power cycled and the "off" period is between one and five seconds.
7-12
When the CMU is in recovery mode, it cannot be recovered via a remote
network connection. It can only be recovered from a PC that is directly
connected to the Management port using the default IP address
169.254.1.1.
on page 5-89.
on page 5-87.
(Table
1-3) blinks red, the CMU is in recovery
Chapter 7 Troubleshooting
Recovery mode
on page 1-34.
(Table
phn-1478_005v000
5-6), the
Apr 2010