HP A-MSR20 Installation Guide

7
Pre-installation checklist
Table 5 Pre-installation checklist
Item
Requirements
Yes No
Installation
site
Ventilation
 There is a minimum clearance of 10 cm (3.9 in) around
the router chassis intake and exhaust vents for heat
dissipation.
 The installation site ventilation system is adequate.
Temperature
0°C to 40°C (32°F to 104°F)
Relative humidity
5% to 90% (noncondensing)
Cleanness
Dust concentration ≤ 3 × 10
4
particles/m
3
ESD prevention
 The equipment and floor are properly grounded.
 The equipment room is dust-controlled.
 Humidity and temperature are maintained at proper
levels.
 Wear an ESD-preventive wrist strap when inspecting or
handling a circuit board.
 Place any removed memory module, CF card, or
interface module face-up on an antistatic workbench or
in an antistatic bag.
 Touch only the edges, not any electronic components,
when inspecting or handling a memory module, CF
card, or interface module.
EMI prevention
 Take measures to protect the power system from the
power grid system.
 Keep the protection ground of the router as far away
from the grounding device or lightning protection
grounding device as possible.
 Keep the router far away from radio transmitters, radar,
and high-frequency or high-voltage devices.
 Use electromagnetic shielding when necessary.
Lightning protection
 The grounding cable of the chassis is grounded
properly.
 The grounding terminal of the AC power receptacle is
grounded properly.
 A port lightning arrester is installed. (Optional)
 A power lightning arrester is installed. (Optional)
 A signal lightning arrester is installed at the input end
of an external signal cable. (Optional)
Electricity safety
 Install a UPS.
 In case of emergency during operation, switch off the
external power switch.
Workbench
 The workbench is stable.
 The workbench is grounded properly.

HP A-MSR20 Specifications

General

Brand	HP
Model	A-MSR20
Category	Network Router
Language	English