HP A5120 EI Series Installation Guide

3
Table 5 Harmful gas limits in the equipment room
Gas
Maximum concentration (mg/m
3
)
SO
2
0.2
H
2
S
0.006
NH
3
0.05
Cl
2
0.01
Rack-mounting requirements
Before rack-mounting a switch, make sure the rack meets the following requirements:
 HP recommends that you mount a switch in an open rack. If you mount a switch in a closed rack,
make sure there is a good heat dissipation system.
 The rack is steady enough to support the switch and accessories.
 The switch fits the rack size. Leave some space beside the left and right panels of the switch for
chassis heat dissipation.
Installation tools
The following installation tools are user-supplied.
 Flathead screwdriver
 Phillips screwdriver
 Needle-nose pliers
 Wire-stripping pliers
 Diagonal pliers
 ESD-preventive wrist strap
 Blow dryer (optional; for heating insulation for OT terminal joint when making a grounding wire)

HP A5120 EI Series Specifications

General

Uplink Ports	4 x SFP
Stacking	No
Management	CLI, Web, SNMP
Routing Protocols	RIP, OSPF
Power Supply	AC
MAC Address Table Size	16K
Dimensions	440 x 430 x 44 mm
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% non-condensing
Model	HP A5120-24G EI Switch (JG234A)
VLANs	4094