Hardware Installation and Reference Guide Preparing for Installation
7
The amount of salt, acids and sulfides in the air are also strictly limited for the equipment room. These substances can
accelerate metal corrosion and aging of some parts. Table 2-3 describes the limits of some hazardous gases such as SO
2
,
H
2
S, NO
2
and Cl
2
in the equipment room.
Table 2-3
2.7 Power Supply
DC power adapter:
Input voltage: 12V
Rated current: 1.5A
PoE+ injector: IEEE 802.3af/802.3at compliant
Technical Specifications of the DC Connector
Voltage-
endurance
Impedance
Voltage-
endurance
(Insulator and
Conductor)
The DC input power should be greater than the power actually consumed by the system.
Use DC power adapters with specifications recommended by Ruijie.
Please use Ruijie certified PoE injectors.
2.8 Installation Tools
Phillips (crosshead) screwdriver, copper and fiber cables, bolts, diagonal pliers, cable ties
Wire stripper, crimping pliers, RJ-45 crimping pliers, punch down tool
Multimeter, bit error rate tester (BERT)