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DBS3900 LampSite
Installation Guide
8 Installing a pRRU3902 or pRRU3911 or
pWIFI
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
148
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8.4 Installing pRRU Cables
This section describes the procedure of installing the pRRU cables.
8.4.1 Requirements for Cable Layout
Cables must be routed according to the specified cabling requirements to prevent signal
interference.
If certain cables listed below are not required, skip the requirements for routing these cables.
General Requirements for Cable Layout
National Standards
Code for Engineering Design of Generic Cabling System for Building and Campus (GB
50311-2007)
Code for Engineering Acceptance of Generic Cabling System for Building and Campus
(GB50312-2007).
Security Protection Engineering Technology Specifications (GB 50348-2004)
Code for Construction and Acceptance of the Electronic Information System Room (GB
50462-2008)
Code for Quality Acceptance of the Intelligent Building Engineering (GB 50339-2003)
Code for Quality Acceptance of Electric Engineering Construction in Building (GB
50303-2002)
Technical Specification for Construction and Acceptance of Telecommunication Conduit
Engineering (GB 50374-2006)
International Standards
Generic Cabling for Customer Premises (ISO/IEC 11801)
Commercial Building Telecommunications Cabling Standard (EIA/TIA 568)
Commercial Building Standard for Telecommunication Pathways and Spaces (EIA/TIA
569)
Administration Standard for Commercial Telecommunications Infrastructure (EIA/TIA
606)
Grounding and Bonding Requirements for Telecommunications in Commercial
Buildings (EIA/TIA 607)
Generic Cabling Systems for Information Technology (EN 50173)
Cabling Installation for Information Technology (EN 50174)
Bending radius
The bending radius of a 1/4'' jumper, a 1/2'' softer jumper, and a 1/2'' common jumper
must be longer than 35 mm, 50 mm, and 127 mm, respectively.
The bending radius of a power cable is at least five times the diameter of the cable.