MA5822
1
MA5821/MA5822
Multi-service Access Equipment
Installation Guide
1 Precautions
To use the device properly and safely, read the precautions carefully before using the device and
strictly observe these precautions when using the device.
Security warning and Precautions:
Do not look directly into the optical port without eye protection.
Keep the device out of the reach of children as the components or accessories may be
swallowed.
Install the device in strict compliance with the requirements of the supplier. Reserve a
space of at least 10 cm above and around the device for heat dissipation. During the
installation, keep the device away from electric appliances that generate strong magnetic
or electric fields, such as microwave ovens, refrigerators, and mobile phones.
The power supply voltage of the device must meet the requirements on the input voltage
of the device.
Do not use any power adapters that are not in the standard configuration. Otherwise, the
device may be abnormal or unsafe.
Dry your hands before connecting or disconnecting cables. Stop the device and switch
off the power before connecting or disconnecting cables.
Do not place any object on the device, so that the device will not be damaged due to
overheating or deformation.
Prevent objects, such as metal, from entering the device through the heat dissipation hole.
Switch off the power and disconnect all cables, including the power cable, optical fiber,
and network cable, during periods of lightning activities.
Do not lead the strength member of the optical fiber or other metal parts indoors. Do not
install telephone lines, network cables, power adapters or power adapter cables outdoors.
Adopting these measures will help prevent device damage and bodily injuries which are
especially prone during thunderstorms.
If an abnormality occurs, for example, liquid entering the device, smoke, unusual sound,
and smell, stop the device immediately, switch off the power, disconnect all cables (such
as the power cable, optical cable, and network cable) to the device, and contact the
authorized service center.
Do not disassemble the device without permission. In the case of a device fault, contact
the authorized service center.
Dispose of the packing materials, expired batteries, and old or abandoned devices in
accordance to local laws and regulations (recycling them is strongly recommended).
Do not change the structure, safety design, or performance design of the device without
prior authorization.
Fire Warning and Precautions:
The equipment needed to be far away from the large heat source, naked fire, and large
power equipment, such as electric heater, candles, hair dryer, avoid introducing safety
risk.
Near power lines - equipment or equipment, such as aging or aging cable plug board and
other facilities, please timely replacement, to avoid the introduction of safety risk.
2 Appearance
The MA5821/MA5822 is a box-type device 1U (1U = 44.45mm) high. The appearances of devices
using different modes are different.
Table 2-1 shows the appearances of the MA5821/MA5822.
Table 2-1 MA5821/MA5822 appearances
Configuration
Appearances
MA5821 8FE
MA5821 16FE
MA5821 24FE
MA5821 8GE
MA5821 16GE
MA5821 24GE
MA5821 24GE,
PoE
MA5822
8FE+8POTS
MA5822
16FE+16POTS
Configuration
Appearances
MA5822
24FE+24POTS
MA5822
8GE+8POTS
MA5822
16GE+16POTS
MA5822
24GE+24POTS
This is a Class A product. This product may cause radio interference, in which case the user
may be required to take practical precautions interference.
CAUTION
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
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