Cisco Headend System Release 2.5 Manual De Manutenção
Chapter 3 Staging SSC DHCTs
90
4024836 Rev D
DHCTs with Only POWER LED Indicators
DHCTs with only POWER LED indicators display the codes associated with
downloading, installing, and booting into the SARA as a series of flashing lights
using the POWER LED indicator light on the front panel.
Note: You must stage DHCTs with only POWER LED indicators using the CVT
download method.
SSC DHCT Download
The following table shows an example of a CVT download sequence of front panel
The following table shows an example of a CVT download sequence of front panel
LED displays that appear after AC power is applied to the DHCT.
Stage POWER LED
Indicator
TV Monitor
Description
1
The light is off.
The “wave” appears each time
the DHCT resets. The DHCT is
initializing and testing the
system. The wave provides a
visual cue as to when to press
buttons to force auxiliary
functions.
2
Solid on, then off.
The light is off as the
DHCT boots into the
OS.
or
The rotating border appears
when the DHCT boots into the
OS.
3
The light blinks once
every half-second.
Fr.LA appears if the DHCT can
tune to the last known good
frequency in NVM and acquires
the CVT.
Go to stage 9 of this table.
Go to stage 9 of this table.