ELTEX SMG-2, Operation Manual, Page: 20 / 198

20 SMG digital gateway
1.9 Safety Instructions
1.9.1 General Guidelines
Any operations with the equipment should comply to the Safety Rules for Operation of Customers'
Electrical Installations.
Operations with the equipment should be carried out only by personnel authorised in accordance
with the safety requirements.

Before operating the device, all engineers should undergo special training.

The device should only be connected to properly functioning supplementary equipment.

The SMG trunk gateway can be used 24/7 provided the following requirements are met:
–
Ambient temperature from 0 to +40°C.
–
Relative humidity up to 80% at +25°C.
–
Atmosphere pressure from 6.0 х 10
4
to 10.7х10
4
Pa (from 450 to 800 mm Hg).

The device should not be exposed to mechanical shock, vibration, smoke, dust, water, and
chemicals.

To avoid components overheating, which may result in device malfunction, do not block air vents
or place objects on the equipment.
1.9.2 Electrical Safety Requirements

Prior to turning the device on, check that all cables are undamaged and securely connected.

Before dismantling and assembling the device, make sure the power supply is disabled.