Recovering the CMU
Chapter 7 Troubleshooting
phn-1478_005v000
7-12
Apr 2010
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
Recovery mode
on page
1-34
.
NOTE
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.
Prerequisites
Before attempting to recover the CMU, follow these procedures:
x
Configure the IP interface on the PC
on page
5-87
.
x
Connecting the PC
on page
5-89
.
Entering recovery mode
Automatic recovery mode
When the CMU status indicator (
Table 1-3
) blinks red, the CMU is in recovery
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 (
Table 5-6
), the
CMU is power cycled and the “off” period is between one and five seconds.
Содержание PTP 800
Страница 22: ...List of Tables phn 1478_005v000 xx Apr 2010 ...
Страница 72: ...System management Chapter 1 Product description phn 1478_005v000 1 38 Apr 2010 ...
Страница 290: ...Alternative approaches Chapter 5 Installation phn 1478_005v000 5 116 Apr 2010 ...
Страница 326: ...Upgrading the PTP 800 Chapter 6 Operation phn 1478_005v000 6 36 Apr 2010 Figure 6 18 Software Upgrade Complete page ...
Страница 346: ...Managing performance Chapter 6 Operation phn 1478_005v000 6 56 Apr 2010 Figure 6 27 System Statistics and Counters page ...
Страница 354: ...Managing performance Chapter 6 Operation phn 1478_005v000 6 64 Apr 2010 ...