19
■
To enhance the lightning protection capability of the power supply, a lightning
arrester could be installed at the input end of the power supply.
■
As for the signal line outdoors to which the interface modules of H3C MSR 20
series routers are connected, such as ISDN line, telephone line, E1/T1 line, etc, a
special lightning arrester should be installed at the input end of the signal line
to enhance the lightning protection capability.
Checking the Rack
When installing H3C MSR 20 Series Routers, observe the following:
■
There is spacing reserved at the air inlet and outlet in the router so as to
facilitate the radiation of the router cabinet.
■
Make sure that the rack has a good ventilation system.
■
Make sure that the rack is sturdy enough to support the weight of the device
and the installation accessories.
■
Make sure that the rack is well-grounded.
Safety Precautions
Routers play a key role in data communications network. Please pay attention to
the following:
w
Warning:
It indicates that this operation is incorrect and may seriously damage
the router or endanger the operator. Please follow the correct operation
procedures for sake of safety.
c
Caution:
It indicates that during the installation and usage of the router, the
operation needs attention. If this operation is performed incorrectly, it might affect
the operation of the router.
When installing or working on the router, you are recommended to:
■
Keep the router far away from the heat sources and water/liquid.
■
Make sure that the router has been correctly grounded.
■
Wear an ESD-preventive wrist strap in installation and maintenance, making
sure that the strap has good skin contact.
■
Do not hot swap the interface modules and interface cards of the router.
■
Do not hot swap any cable.
■
Correctly connect the interface cable for the router. Do not connect the
telephone cable (including the ISDN cable) to the AUX port or the console port.
■
Use laser with caution. Do not directly stare into apertures or fiber-optic
connectors that emit laser radiation.
■
Adopt uninterrupted power supply (UPS).
Installation Tools and
Meters and Equipment
Tools
■
Phillips screwdriver
■
Straight screwdriver
■
ESD-preventive twist strap
Содержание MSR 20-20
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