Huawei DBS3900 Installation Manual page 50

RRU3260
Installation Guide
(1) Lifting sling
Do not remove the stretch sling and protection pipe or bind fiber optic cables using one sling,
as shown in
3.
4.
Issue 05 (2014-06-30)
Figure 7-7 Binding fiber optic cables
Figure 7-8.
Figure 7-8 Incorrect binding method
Installation engineer B rotates the fiber spools at the speed of 5 m (16.4 ft) to 15 m
(49.21 ft) per minute to coil the fiber optic cables.
Installation engineer C pulls the lifting sling downwards, and installation engineer D
pulls the traction sling outwards to protect the fiber optic cables from colliding with the
tower.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Hoisting an RU and Related Cables onto a Tower
(2) Stretch sling (3) Traction sling
42