HP MSR1000 Router manual Components when observing or moving a removed

Item		Requirements	Result
	Temperature	0°C to 45°C (32°F to 113°F).
	Relative humidity	5% to 90% (noncondensing).
	Cleanness	• Dust concentration ≤ 3 × 104 particles/m3. (No
		visible dust on desk within three days.)
		• The equipment and floor are correctly grounded.
		• The equipment room is dust-proof.
		• The humidity and temperature are at a compliant
		level.
		• Wear an ESD wrist strap and uniform when
	ESD prevention	touching a circuit board.
		• Place the removed interface module on an
		antistatic workbench, with the face upward, or put
		it into an antistatic bag.
		• Touch only the edges, instead of electronic
		components when observing or moving a removed
		interface module.
		• Take effective measures to reduce interference
		from the power grid system.
		• Separate the grounding equipment of the router
		from the grounding or lightning protection
	EMI prevention	grounding equipment of other devices as far as
		possible.
		• Keep the router far away from radio stations, radar
		and high-frequency devices working in high
		current.
		• Use electromagnetic shielding when necessary.
		• The grounding cable of the chassis is correctly
		grounded.
		• The grounding terminal of the AC power
	Lightning	receptacle is correctly grounded.
		• A port lightning arrester is installed. (Optional.)
	protection
		• A power lightning arrester is installed. (Optional.)
		• A signal lightning arrester is installed at the input
		end of an external signal cable. (Optional.)
		• Equip an uninterrupted power supply (UPS).
	Electricity safety	• The emergency power switch in the equipment
		room is located.
	Workbench	• The workbench is stable enough.
		• The workbench is correctly grounded.
		• The rack has a good ventilation system.
		• The rack is sturdy enough to support the weight of
	Rack-mounting	the router and installation accessories.
	requirements	• The size of the rack is appropriate for the router.
		• The front and rear of the rack are at least 0.8 m
		(2.62 ft) away from walls or other devices.
Safety	• The router is far away from any moist area and heat source.
precautions	• The emergency power switch in the equipment room is located.

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