Maintenance for service board, Check, Sagem 3p@c – Sagem 4450E User Manual
Page 147
SAGEM 3P@C
3P@C Installation Manual
Page 9-6 Reproduction and communication in any form prohibited without the written permission of
SAGEM SA
Steps
Operation
Inspection (display of the
indicator and screen)
c) Pull the extractors on the both
sides of the card, and press them
outward, thus unplugging the card
from the connector of the
backboard of the chassis.
d) Hold the front panel to unplug
the card from the slot completely.
e) Put the replaced card in the
anti-static package.
Step 3
After unplugging the card, you
should plug a new system control
board in the void standby system
control board slot in 60 seconds
(see the detailed installation steps
in the hardware installation part).
Step
4
To check whether the current
standby system control board runs
normally, execute the command:
show boardinfo.
The system indicator flashes once
per second.
9.2. Maintenance for Service Board
9.2.1. Check
The corresponding status indicator in the front panel of the service board is used to display the work status of the
device or the card, and it plays an important role in the fault analysis and location.
The rough position or cause of the fault can be found through the indicator status, and the indicator status is
helpful for the next processing procedure. The indicator does not have the sufficient information, so it is usually
used with the coordination of the alarm information analysis.
Check the system running status according to indicator description in the following table. When finding some
exceptional cases, you should take some measures in time.
prompt
The maintenance personnel should pay more attention to the
study of the indicator meaning, and have the rapid response
capability when some faults occur to the system.
Table 9-2 Description of the indicator of the VDUB service board
Indicator
Flag
Color
Status
Description
On
Power on the system.
Off
No power on or the system
runs abnormally.
RUN
Green
Flashing
The VDUB runs normally.
Off
The VDUB runs normally.
Status indicator
of the VDUB
ALM
Red
ON
The VDUB has an alarm.
Constantly
on
When a stable link is built in
the user interface, the
corresponding indicator is
constantly on.
Status indicator
of the interface
of the VDSL
user
LINK
Green
Off
This user interface does not
connect the users.