Cisco Headend System Release 2.7 관리 매뉴얼
Chapter 5 Troubleshooting
118
4024836 Rev D
Symptom
Possible Solution
DHCT will not stage
1
Can you access any of the CableCARD module
diagnostic screens?
a
If yes, continue with step 2.
b
If no, there is a problem in the communication
between the CableCARD module and its host
DHCT. Contact Cisco Services.
2
Does the diagnostic screen for the host DHCT
display the CableCARD RF MAC address (rather
than the DHCT RF MAC address)?
a
If yes, follow these steps:
i Verify that the DHCT is connected to a
known good RF cable.
ii Verify that the DHCT is in the correct
download group on the DNCS.
iii If these do not remedy the problem,
contact Cisco Services.
b
If no, there is a problem in the communication
between the CableCARD module and its host
DHCT. Contact Cisco Services.
DHCT displays one of the
following constantly:
br.xx
er.xx
xxxx
1
Reboot the DHCT by following these steps:
a
Turn the DHCT power off.
b
Unplug the DHCT power cord from the power
receptacle.
c
Plug the DHCT power cord into the power
receptacle.
2
Turn the DHCT power on.
3
Force a download by following these steps:
a
Unplug the DHCT power cord from the power
receptacle.
b
Plug the DHCT power cord into the power
receptacle while pressing the SELECT and
POWER buttons at the same time (on the
DHCT front panel).
4
If these steps do not work, return the DHCT to us
for repair. Mark the repair tag with D7. Error Code
(BRXX, ERXX, or XXXX).