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Maintenance for service board, Check, Sagem 3p@c – Sagem 4450E User Manual

Page 147

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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.