HP A6616 Installation Manual page 63

HP SR6600 Routers Electronic Documentation
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Checklist Before Installation
Table 3-4 Checklist before installation
Installation
site
Safety precautions
Item
There is a minimum clearance of 10 cm (3.9 in.) around the inlet
vents and exhaust vents for heat dissipation of the router chassis.
Ventilation
A ventilation system is available at the installation site.
Temperature 0°C to 45°C (32°F to 113°F)
Relative humidity 10% to 95% (noncondensing)
Dust concentration ≤ 3 × 10
Cleanness
The equipment and the floor are well grounded.
The equipment room is dust-proof.
The humidity and temperature are at a proper level, respectively.
Wear an ESD-preventive wrist strap and uniform when touching a
circuit board.
ESD prevention
Place the removed memory module, CF card, or HIM/MIM 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 memory module, CF card, or
HIM/MIM.
Take effective measures to protect the power system from the power
grid system.
Separate the protection ground of the router from the grounding
device or lightning protection grounding device as far as possible.
EMI prevention
Keep the router far away from radio stations, radar and high-
frequency devices working in high current.
Use electromagnetic shielding when necessary.
The PGND cable of the chassis is well grounded.
The grounding terminal of the AC power socket is well grounded.
A power lightning arrester is installed. (Optional)
Lightning protection
A port 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
In case of emergency during operation, switch off the external power
switch.
The workbench is stable enough
Workbench
Well grounding
Install the router in an open cabinet if possible. If you install the
router in a closed cabinet, make sure that the cabinet is equipped
with a good ventilation system.
The rack is sturdy enough to support the weight of the router and
Cabinet-mounting
installation accessories.
requirements
The size of the cabinet is appropriate for the router.
The front and rear of the cabinet are at least 0.8 m (31.5 in.) away
from walls or other devices.
The router is far away from any moist area and heat source.
The emergency power switch in the equipment room is located.
Requirements
4 3
particles/m