2-3
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Ensure the ground point of the socket of AC power supply is well grounded.
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To enhance the lightning protection capability of the power supply, a lightning arrester could be
installed at the input end of the power supply.
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As for the signal line outdoors to which the interface modules of 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 MSR 20 Series Routers, observe the following:
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There is spacing reserved at the air inlet and outlet in the router so as to facilitate the radiation of
the router cabinet.
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Make sure that the rack has a good ventilation system.
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Make sure that the rack is sturdy enough to support the weight of the device and the installation
accessories.
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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:
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.
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:
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Keep the router far away from the heat sources and water/liquid.
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Make sure that the router has been correctly grounded.
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Wear an ESD-preventive wrist strap in installation and maintenance, making sure that the strap
has good skin contact.
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Do not hot swap the interface modules and interface cards of the router.
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Do not hot swap any cable.
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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.
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Use laser with caution. Do not directly stare into apertures or fiber-optic connectors that emit laser
radiation.
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Adopt uninterrupted power supply (UPS).
Installation Tools and Meters and Equipments
Tools
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Phillips screwdriver
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Straight screwdriver
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ESD-preventive twist strap
