Huawei AP2030DN Hardware Installation And Maintenance Manual page 112

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AP2030DN
Hardware Installation and Maintenance Guide
Com
pone
nt
Issue 05 (2016-07-22)
Applic
No.
able
Check Item
Scope
Signal cables are orderly routed and not crossed, twisted, or
winded (cables can be crossed at 1 m out of the cabinet). The
4
General
bend radius of cables meets requirements, and the cables are
not excessively bent.
Signal cables are not damaged or broken and have no splices.
Sufficient cable length is reserved. The reserved cables are
5
General
twined and placed properly to facilitate subsequent
maintenance.
Indoor
The optical, power, network, and feeder cables are bundled
6
AP
using straps (one strap every 0.5 m) and securely fastened.
The signal cables shall be bundled at even intervals (about
1000 mm), not too tight or too loose. The cables shall be
Outdoor
bundled properly with cable ties placed in neat order. Cut off
7
AP
redundant cable ties and remove burrs from them to avoid
injuries. The cables shall be fixed using fasteners or ageing-
resistant outdoor metal binding straps.
Keep the signal cables away from heat sources and use heat
insulation materials to insulate the cables from the heat
8
General
sources. Do not place signal cables on the air vents of the
cabinet to avoid affecting subrack heat dissipation or cable
lifetime.
Pigtail layout should meet the following requirements:
l Pigtails are not strained or twisted at the bent parts. They
l Pigtails can be pulled back and forth easily inside the
l Pigtails are not squeezed by other cables or objects.
l The flange must be fixed.
l Pigtails are protected with protective tubes or enveloped
9
General
l The optical fiber cannot be folded or twisted, and the
l The pigtail connection points must be clean and dustless.
The feeder cables shall not be bent or twisted, with no copper
10
General
wire exposed.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
are bundled by binding tape with appropriate force.
cable tie and are not bent at a right angle.
in troughs when they are routed outside the cabinet. The
protective tubes are bundled and processed to prevent
cutting.
pigtail cannot be squeezed. The binding diameter of an
optical fiber must be larger than 6 cm.
Fiber connectors and optical ports that are not used must
be protected with protective caps or plugs. Cleaning must
be carried out in strict accordance with Huawei tool
specifications.
5 Appendix
106

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