Figure 3-11
Minimal space requirements of multiple RRUs with and without the SRXUs (unit:
mm)
The minimal space around the equipment is as follows:
l
300 mm under the equipment for cabling. It is recommended that the space is 1,200 mm
between the equipment bottom and the ground for easy maintenance.
l
600 mm in front of the equipment for maintenance.
l
200 mm above the equipment for maintenance.
l
600 mm on the left of the equipment for maintenance.
l
600 mm on the right of the equipment for maintenance.
3.1.3 Cabling Specifications for the NodeB
This describes the cabling specifications for the power cables and PGND cables. The power
cables and signal cables must be routed in compliance with the cabling specifications to avoid
electromagnetic interference to the signals.
Requirements for Bending Radius of the Cables
Cable
Requirements for the
Bending Radius
Feeder
1/2" feeder
≥
127 mm
7/8" feeder
≥
250 mm
5/4" feeder
≥
380 mm
13/8" feeder
≥
510 mm
Jumper
1/4" jumper
≥
35 mm
RRU
User Guide
3 Installing RRU and SRXU Hardware
Issue 01 (2008-04-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
3-11