Cisco Explorer Series Staging Manual page 113

Symptom
Front panel LED
displays
second before the
DHCT reboots
Front panel LED
displays
seconds before the
DHCT reboots
734375 Rev H
Possible Solution

The Cyclic Redundancy Check verification on the Bootloader
code failed. You might be able to stage the DHCT, but the DHCT
might not accept an OS upgrade in the future.
for 1

Return the DHCT to us for repair. Mark the repair tag with D7.
Error Code (BRXX, ERXX, or XXXX).
The test of the internal DRAM failed:

If the condition was a one-time occurrence, after rebooting the
DHCT, the DHCT boots correctly into the OS and resident
for 5
application.

If this problem continues, the DHCT reboots continuously and
display this message. Return the DHCT to us for repair. Mark the
repair tag with D7. Error Code (BRXX, ERXX, or XXXX).
OS and ResApp Downloads
103