Cisco DNCS System Release 2.7 3.7 4.2 インストールガイド
POWER LED Indictors Displayed on DHCTs
78-4003052-01 Rev G
127
Blinks Twice Quickly, Pauses, Repeats
The POWER LED indicator blinks twice in rapid succession (like a heartbeat) that
The POWER LED indicator blinks twice in rapid succession (like a heartbeat) that
repeats 1 time a second. This is equivalent to the BR.xx message LED code that
appears on the front panel of alphanumeric LED DHCTs.
A BR.xx (where xx is a hexadecimal number) message usually indicates that the
A BR.xx (where xx is a hexadecimal number) message usually indicates that the
DHCT has a software or hardware malfunction that prevented it from properly
receiving an instruction to complete a function. This condition is also referred to as
an OS trap.
For example, an exception may have caused the CPU to trap while the Bootloader's
For example, an exception may have caused the CPU to trap while the Bootloader's
trap table was in effect.
To clear a BR.xx message, complete the following steps.
1 Turn off the DHCT and unplug it from the wall outlet or rear panel of the DHCT.
2 Plug the DHCT into the wall outlet or rear panel and turn it on.
3 Did this clear the error message?
To clear a BR.xx message, complete the following steps.
1 Turn off the DHCT and unplug it from the wall outlet or rear panel of the DHCT.
2 Plug the DHCT into the wall outlet or rear panel and turn it on.
3 Did this clear the error message?
If yes, you have corrected the problem.
If no, the DHCT may need to be replaced. Follow your company’s
replacement procedure.
Blinks 3 Times, Then Pauses
The POWER LED indicator blinks 3 times, pauses, then repeats. This is equivalent to
The POWER LED indicator blinks 3 times, pauses, then repeats. This is equivalent to
the PR.xx LED code that appears on the front panel of alphanumeric LED DHCTs.
This message indicates that the DHCT is receiving new software. This is normal
This message indicates that the DHCT is receiving new software. This is normal
behavior. Do not reboot the DHCT or remove power.
The PR.xx condition can take 15 to 30 minutes to clear if the software download is
The PR.xx condition can take 15 to 30 minutes to clear if the software download is
interrupted.
Important: If you interrupt the DHCT in its download process, the DHCT could be
Important: If you interrupt the DHCT in its download process, the DHCT could be
damaged and will have to be replaced. If the DHCT does not update its software
after 30 minutes, notify your supervisor or headend manager. The DHCT may have
an RF issue or a download issue. Follow your company’s escalation procedure.
Blinks 4 Times, Pauses, Repeats Only Once
The POWER LED indicator blinks 4 times, pauses, and repeats only once. This
The POWER LED indicator blinks 4 times, pauses, and repeats only once. This
indicates that you have activated the Staging Toolkit.
This is normal behavior and is given so you know when the Staging Toolkit is ready
This is normal behavior and is given so you know when the Staging Toolkit is ready
for further instructions. Refer to Explorer® Digital Home Communications Terminal
Staging Guide for more information.