Руководство По Обслуживанию для Cisco Headend System Release 2.7
LED Indicators Displayed During a Software Download
4024836 Rev D
87
Stage LED Indicators
TV Monitor
Description
5
If the DHCT cannot acquire the
CVT through a recommended
QAM frequency, it 'hunts' until it
finds the frequency of a QAM
with a valid CVT table for that
DHCT.
6
During download,
the LEDs rotate to
the right.
The LED displays this code as it
downloads packets.
7
The LEDs rotate left
then right, repeat.
This code indicates that the
second part of the OS is being
installed into flash memory.
8
The LEDs rotate
right once, then the
right LED stays lit.
(Through stage 10.)
(Through stage 10.)
This pattern appears after the
DHCT resets to boot into the OS
and the newly downloaded
ResApp.
9
or
10