3com 7754 User Manual
2
I
NSTALLING
T
HE
S
WITCH
7750
The following sections describe how to prepare and install the components of the
Switch 7750:
Switch 7750:
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WARNING: Only trained and qualified personnel should install and maintain
3Com products.
3Com products.
Preparing to Install
This section provides guidelines for preparing your site and switch for installation.
General Safety
Recommendations
Before installing your switch, note the following safety recommendations:
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Switch off the power supply before connecting the cables.
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Keep the switch away from heat sources.
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To ensure normal heat dissipation, do not stack switches.
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Do not keep the switch in a damp place, and prevent liquid from getting into
the switch.
the switch.
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Ensure that the neutral point of the power is grounded properly, to avoid
personal injury.
personal injury.
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Ensure that the power is off before plugging or unplugging the modules and
cables of the switch.
cables of the switch.
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Before moving the chassis, disconnect all the power cords and external cables.
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To avoid damage to the switch, connect all the cables correctly. Never connect
telephone cables (including the ISDN lines) to the console or AUX port.
telephone cables (including the ISDN lines) to the console or AUX port.