2
Do not place this product in an environment with flammable or explosive gases, or smoke.
The installation site must be free from leaking or dripping water or heavy dew. If the relative humidity is high,
use dehumidifiers or air conditioners with dehumidification features.
The installation site must be well ventilated, and the air vents of the router must not be blocked.
Do not place the router in a dusty environment.
Leave more than 100 mm clearance at two sides and rear of the router for heat dissipation.
100mm
Use a Phillips screwdriver to loosen the screw on the SIM card cover, and remove the SIM card
cover from the router. Keep the SIM card cover in an appropriate place for later use.
Push the SIM card holder toward the OPEN direction and turn it upward. Place the SIM card into
the SIM card slot, close the SIM card holder, and push the SIM card holder toward the LOCK
direction. When you hear a click, the SIM card holder is locked.
1
2
When inserting a SIM card, keep the notch on the SIM card in the same direction as the notch marked on the slot.
CAUTION
NOTE
A SIM card is not hot swappable.
Industrial SIM cards are recommended for the router.
If only one SIM card needs to be installed, install it in slot SIM1.
For an AR502CG-L router, remove the SIM card cover on the front panel, and then insert a SIM card.
During installation and maintenance, take ESD protection measures, for example, wear ESD gloves or an ESD
wrist strap.
During router transport, movement, and installation, prevent the router from colliding with objects like doors,
walls, or shelves.
This product is used in restricted scenarios and must be operated by trained personnel.
Do not place other objects on the router.
CAUTION
To ensure personal and equipment safety, observe all the safety precautions on the equipment and in this
document. and items do not cover all the safety precautions and are only supplementary to
the safety precautions.
Follow all the safety precautions and instructions provided by Huawei. The safety precautions outlined in this
document are only those that Huawei can predict. Huawei is not liable for any consequence that results from
violation of regulations pertaining to safe operations or safety codes pertaining to design, production, and
equipment use.
WARNING
CAUTION
WARNING
AR routers are class A products. In a domestic environment, these products may cause radio interference
in which case the user may be required to take the adequate measures.
3 Safety Guidelines
4 Site Environment
5 Installing the Router
5.1 Installing AR502G-L-D-H
