Engineering Labels For Cables; Introduction To Labels - Huawei AP4030DN Hardware Installation And Maintenance Manual

Huawei AP4030DN
Hardware Installation and Maintenance Guide
Table 5-20 Specifications for laying out ground cables
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5.4 Engineering Labels for Cables

An engineering label serves as an identifier for on-site installation and maintenance after the
installation. Labels on the cables facilitate correct and orderly connection of cables, and easy
maintenance after installation.
Specialized for power cables and signal cables, the types of engineering labels are as follows:
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5.4.1 Introduction to Labels

Label Materials
Features:
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Issue 02 (2015-05-18)
Description
The grounding wire should not run parallel to or twist around the signal cable.
The ground cable cannot be routed overhead, but should be buried in the earth or
arranged indoors.
Do not connect two cables together to extend the PGND cable, or add any switch
or fuse.
The PGND cable should be an alternating yellow and green plastic insulating one
with copper core.
The neutral line of the AC power cable cannot be connected to the protection
ground of transmission and communication equipment in the equipment room.
The length of the PGND cable should not exceed 45 m (147.64 ft). The PGND
cable should be as short as possible.
The signal cables include network cables, optical fibers, and user cables.
The power cables include the AC power cables and DC power cables.
Fill in the label according to the user's requirements if the user needs an integrated description of the
label. Make a relevant statement in the self-check report.
Thickness: 0.09 mm (0.004 in.)
Color: chalk white
Material: polyester (PET)
Ambient temperature: -29° C (-20.2° F) to +149° C (300.2° F)
Compatible with laser printing and handwriting with markers
Pass UL and CSA authentication
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