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GSM-204-423
Installing and connecting power and earth cabling
Overview of
power and earth
cabling
On delivery, the Horizon macro outdoor BTS cabinet is configured for a 230 V ac
single phase power supply. The possible configurations of ac power supplies
are:
S
S
S
S
This section describes the procedures for connecting power and earth cabling to
the cabinet.
Power specifications can be found in Chapter 2 Site requirements and
considerations.
Cable routeing
Adequate means should be provided for routeing cables from the main power
source to the equipment, such as a cable trough or conduit.
31st Oct 01
Installing and connecting power and earth cabling
Single phase (110 V).
Single phase (230 V) – default configuration.
Three phase star (230 V).
Three phase delta (230 V).
WARNING
Do not daisy chain cabinet earths together.
Do not make ac input power connections at the main
power source at this time. Connecting input power is
the final installation procedure, carried out as part of
commissioning in Chapter 6 of this category.
Cabinets must be earthed with a conductor capable of
carrying the full fault current of the overcurrent protection
device.
CAUTION
Ensure that covers are fitted to any unused connectors on
the cabinet interconnect panel. The covers protect the
connectors from damage by static electricity or foreign
matter.
NOTE
The current-carrying capacity of a cable for continuous
service is affected by all of the following factors
(references: IEC 364, BS7671):
– Ambient temperature.
– Grouping.
– Partial or total enclosure in thermal insulating material.
– Frequency (ac only).
Installation & Configuration: Horizon macro outdoor
68P02902W03-A
CONTROLLED INTRODUCTION
Inst. 3–19
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