Com
pone
nt
No.
Applic
able
Scope
Check Item
10
Outdoor
antenna
If multiple APs are mounted to different poles, the APs
should provide signal coverage in the same direction or in
back-to-back mode to ensure that main lobe of antennas on
different APs do not face each other.
Recommended AP distance:
≥ 44 m (APs provide signal coverage in the same direction)
≥ 6 m (APs provide distance in back-to-back mode)
Power
and
groun
d
cables
1
General
The female connectors of power cables connecting to the
device are fixed using a locking latch.
2
General
The power cables and ground cables are correctly connected.
3
General
The power cables and ground cables are complete and not
spliced.
4
General
The excess of power cables or ground cables are trimmed off
without any coils. The power cables connecting the delivered
surge protection boxes and devices cannot be cut. These
power cables can be coiled.
5
General
Power cables and ground cable are separated from the signal
cables.
6
General
Power cables and ground cables are routed straightly and
properly bundled, with sufficient slack at the bend part. If the
cables are fixed on a sharp mechanical part, take protection
measures.
7
General
The equipotential cables between the attaching cabinets shall
be securely connected.
8
General
The lugs for the power cables and ground cables are soldered
or crimped securely.
9
General
The lugs and bare wires of power cables and ground cables
are tightly wrapped with tubes or insulation tape without any
exposed copper wire. Flat washers and spring washers are
installed correctly.
10
General
Labels are filled and attached to power cables and ground
cables correctly.
11
General
Power cables deployed outdoors must be covered by PVC
tubes.
Optica
l
modul
e
1
General
A single-mode fiber can only be used with a single-mode
optical module while a multimode optical fiber can only be
used with a multimode optical module. On most optical
modules, the fibers of different types cannot be used together.
R250D-E
Hardware Installation and Maintenance Guide
5 Appendix
Issue 01 (2016-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
105