Routine Maintenance; Checking Working Environment Periodically; Checking Cable Connection Periodically - Huawei 9000 VCT V100R011 Administrator's Manual

HUAWEI 9000 HD Video Terminal
Administrator Guide

11.1 Routine Maintenance

An administrator must check the working environment, cable connection, communication
network connection, and audio-visual input and output of the terminal periodically, to ensure
that the terminal and its peripheral equipment work properly.

11.1.1 Checking Working Environment Periodically

To ensure that the terminal can be used properly, it is essential for the administrator to check
the working environment periodically.
Table 11-1
If one of the following items cannot meet the corresponding requirement, it is recommended
that you power off the terminal and then take measures to improve the environment. Ensure that
the terminal is used only when all the following items meet the relevant requirements.
Table 11-1 Checking the working environment
Item
Ambient temperature
Relative humidity

11.1.2 Checking Cable Connection Periodically

Check the audio-visual and communication cables periodically.
Audio-Visual Cables
Periodically (once a week is recommended) check whether the cables connecting the terminal
to the peripheral equipment and the power supply are securely connected.
If the cables are connected properly, power on the terminal to test the connectivity. If any of the
cables are loose, connect them securely.
Communication Cables
Periodically (once a week is recommended) power on the terminal, and then check whether the
communication cables connected to the terminal work properly using the following method:
Place calls to other terminals using different communication methods, such as accessing a
broadband network.
Issue 09 (2012-09-03)
lists the items that need to be checked.
CAUTION
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11 Maintenance and Troubleshooting
Requirement
0°C to 40°C
10% to 80%
150