Emi; Lightning Protection; Installation Tools - HP A-MSR900 Series Installation Manual

Table 4 Harmful gas concentration limits
Gas
SO
2
H S
2
NH
3
Cl
2
To prevent overheating:
Provide adequate clearance for air flow, including at least 10 cm [3.94 in] ventilation space around
•
the router's air intake and outlet vents.
Make sure the site has an adequate cooling system.
•

EMI

EMI from any source adversely affects the router.
To prevent EMI:
Use electromagnetic shielding when necessary.
•
Take measures against interference from the power grid.
•
Position the router as far as possible from any power source's grounding equipment or light-
•
prevention equipment.
Position the router as far as possible from radio transmitters, radar, and all high-voltage or high-
•
frequency equipment.

Lightning protection

To protect the router from lightning:
Make sure the grounding cable of the chassis is grounded properly.
•
Make sure the grounding terminal of the AC power receptacle is grounded properly.
•
Install a lightning arrester at the input end of the power supply.
•
Install a lightning arrester at the input end of outdoor signal lines (for example, E1/T1 line) to which
•
the router's interface modules are connected.

Installation tools

Accessories provided with the router
Power cord
•
Console cable
•
Grounding cable
•
Max. (mg/m )
3
0.2
0.006
0.05
0.01
7