Existing Concrete Pad Mounting - Motorola SC 4812ET RF Hardware Installation Manual

Site Preparation
2
Existing Concrete Pad
Mounting
46
– continued
Power Cabinet Alarm Cable – A Twelve (12) wire, Six (6) twisted pair
cable [Cable supplied with the Power Cabinet is 4.5 m (15 ft) in length].
DC Power Interconnect
– #1 BSWG (#2/0 AWG; 50 mm
is recommended (supplied with the Power Cabinet)
– 51 mm (3") conduit
For an installation where the cabinet will mount flush to an existing
concrete floor, all of the connections to the cabinet will be made through
the rear I/O area of the cabinet. For this reason, the cabinet must be set
in place and bolted down prior to running any conduits or wiring.
Conduit/wire routing will be discussed in Chapter 5.
Lightning protection is provided with the cabinet. A good earth ground
(ground system resistance must be less than 10 Ohms, with 5 Ohms or
less being the goal), is required for the lightning protection equipment to
perform properly. Refer to Motorola's guidelines (Motorola Publication
68P81150E62) for details on the design of a grounding system. Conform
to local electrical construction standards for conduit materials and sizing.
SC 4812ET RF and Power Cabinet Hardware Installation Manual
TM
NOTE
Custom cable lengths are available from Storm Products
(214–637–1381); 9215 Premier Row, Dallas, TX. 75247.
Part number "070197–6SA" for Non–Plenum rated cable.
2)
NOTE
The DC Power Cabling and the Power Cabinet Alarm
Cable can be run in the same 3" Conduit from the RF
Cabinet to the Power Cabinet.
CAUTION
The mounting surface must be flat. Door closure problems
may occur if the BTS is not installed on a flat surface.
insulated weld wire or equivalent
Apr 2001
DRAFT