3
Installing the MA5821/MA5822
The configuration of MA5821/MA5822 can be installation in the 19-inch cabinet, chassis and
network cabinet.
Installation in the 19-inch cabinet
Step1
Install mounting ears
Step2
Install the chassis
Installation in the network cabinet
1.
The air intake vent and the air exhaust vent of the network cabinet should keep expedite
for the MDU heat dissipation.
2.
If the network cabinet is installed indoors or in a corridor that is out of rain, the network
cabinet must meet the requirements of IP31 class protection.(The first number "3" means
the solid particle with a diameter equal to or larger than 2.5 mm can be prevented from
entering the cabinet. The second number "1" means the drips fallen vertically cannot
damage the device. )
3.
If the network cabinet is installed outdoors or in a corridor that is exposed to rain, the
network cabinet must meet the requirements of IP55 class protection. ( "IP" refers to
International Protection. The first number "5" refers to the class for preventing the solid
particle from entering the device. That is, the network cabinet cannot completely prevent
