User's Manual

RadioFrame System Method of Procedure GSM/802.11b
Pre-Installation
22 RadioFrame Networks, Inc.
equipment rack is ensured using an insulating plate and hardware. If the installation is in
an earthquake zone, additional anchors are used.
3.3.1.5 Mounting on Wood or Fiberglass Floors
Appropriately sized lag bolts shall be used for mounting on wood or fiberglass floors. If
the underside is accessible and the floor stability is questionable, then thru-bolting may
be desirable.
RFN recommends mounting non-racked ancillary equipment on a "C-channel" type of
mounting track where possible. This provides for easy cleaning and some isolation in the
case of standing water. Another benefit of installing non-rack mounted equipment off the
floor is that the weight is distributed across the floor. In these cases, C-channel type
mounting provides multiple floor anchor points where the equipment provides only four to
six anchor points.
When mounting racks to raised computer floors, 0.5 in. (13 mm) minimum diameter
allthread rod and flush-mount expansion anchors shall be used to anchor to the concrete
subfloor. When mounting consoles to a raised floor,
0.375 in. (10 mm) minimum allthread rod and hardware shall be used for anchoring.
Mounting arrangement shall be in accordance with mounting kit manufacturer's
instructions.
3.3.1.6 Anchoring Equipment to Raised Floors
The anchoring of overhead and wall-mounted devices present a number of
considerations. Placement is very important; if equipment is bolted to a wall that is on an
aisle, the aisle may be unacceptably narrowed with the danger of injury to personnel.
Also, the serviceability of the equipment being mounted to adjacent equipment may be
inhibited.
Overhead applications generally include coax cabling, cable runways, and mounts for
earthquake bracing. All overhead applications should keep in mind loading of overhead
surfaces. Care must be exercised when deciding how much can be held by the ceiling
without some sort of building foundation support. In the case of earthquake bracing
equipment, cable runways can be secured overhead then affixed to the equipment racks
providing acceptable foundation support.
When anchoring cable runways to ceilings or walls, the manufacturer-supplied support
hardware shall be used.
Anchors used in overhead applications vary depending on the ceiling structure as follows:
• For concrete and wood ceilings, the same principles discussed in floor anchoring
apply.
• For an exposed steel l-Beam ceiling, many cable runway manufacturers make beam
clamps for C-channel or threaded drop rods.
• For corrugated steel ceilings, C-channel tracks can be affixed to the ceiling using
properly sized lag bolts. The C-channel will span the corrugated steel and provide
multiple anchor points.
For drywall or plasterboard ceilings, special considerations are required: