Tools And Meters - Huawei U-SYS IAD208E User Manual

User Manual
U-SYS IAD208E(M) Integrated Access Device Chapter 2 Installing Hardware
Table 2-2 Measures for preventing electromagnetic interference
Item
AC power receptacles should be monophase three-wire
receptacles with protection grounding (PE). So that the
1
filtration circuit on the equipment can effectively filter the
interference from electricity power supply.
The work site of the equipment should be far from powerful
2 radio station, radar station, or devices with high-frequency
or huge-current.
If necessary, Electromagnetic masking method can be
3 adopted, such as adopting making cables for interface
cables.
The interface cables must be wired indoors, and wiring them
outdoors is prohibited, because the over-voltage and
4
over-current caused by lightning will damage the signal
interface.

2.1.4 Tools and Meters

The following meters and tools should be ready before the
installation work is started:
Description
Huawei Technologies Proprietary
2-3