AMX AXB-232 Plus plus Manual de usuario descargar pdf (Pagina 23)

OFPC Project No. 703-039 M.D. ANDERSON CANCER CENTER

Ambulatory Clinical Building

55050.00

AV BID AUDIO VISUAL SYSTEM

03/11/04 11738 -23

white block characters. Handwritten, self-laminating, or embossed plastic (Dymo) labels are not

acceptable. Provide labels for major equipment with 3 lines (minimum) of engraving, coded as

follows.

a. Line 1: Generic name of device, such as VIDEO MATRIX SWITCHER.

b. Line 2: Schematic designation of device, such as AV-MSW-1.

2. Control Labels - Audio Visual Contractor to provide engraved label over each user-operated

control that describes the function or purpose of control. Provide label of proper size to fit

available space.

3. Terminal Strip Labels - Audio Visual Contractor to label each terminal strip with unique

identification code in addition to numerical label (Cinch MS series) for each terminal. Show

terminal strip codes on system schematic drawings included with Project Record Documents.

4. Rear Equipment Labels - Audio Visual Contractor to provide adhesive label on rear of equipment

where cables attach, to indicate designation of cable connected at each point.

5. Cable and Wire Labels - Label cables and wiring logically, legibly and permanently for easy

identification. Labels on cables to be adhesive strip type, covered with clear heat shrink tubing.

Factory stamped heat shrink tubing may be used. Hand-written or self-laminating type labels are

not acceptable.

6. Cable Label Codes and Locations - Audio Visual Contractor to label each cable with unique alpha-

numeric code. Locate cable designation at start and end of each cable run, within 3 inches of

termination point. For cable runs that have intermediate splice points, label cable with same

designation throughout, with additional suffix to indicate each segment of run. Provide cable

designation codes to schematic drawings included with Project Record Documents and Operation

and Maintenance Manuals.

C. Power and Grounding

1. Power Coordination - Audio Visual Contractor to coordinate final connection of power and ground

wiring to rack. Electrical contractor will provide power to sound and audio-visual systems. Before

installation, verify load requirements for systems as accepted.

2. Bus Bars - Install 1-inch by ¼-inch copper ground bus bar, top to bottom in each rack. Ground

equipment chassis of each rack-mounted component without three-pin grounding plug to bus bars

with #12 AWG insulated green wire using 6-32 or larger nuts, bolts, lockwashers, and appropriate

connectors. Electrical Contractor to provide and connect #4 AWG green insulated wire to ground

point in electrical panel.

D. Equipment Racks

1. Assembly - Mount, wire, and fully test equipment in racks.

2. Ventilation - Provide ventilation adequate to keep temperature in rack below 100 degrees

Fahrenheit. Use “whisper” type ventilation fans in racks, adjusted to come on when temperature

in rack rises above 100 degrees Fahrenheit, only if adequate cooling cannot be provided by

Owner.

3. Rack Wiring - Wire equipment racks neatly, allowing proper slack for future serviceability. Looking

from rear of equipment rack AR-4, locate power, digital control, DC control, and loudspeaker

cables on right; and, locate microphone, line level audio on left. Maintain separate cable bundles

for different types of signals. Do not bundle power cords permanently attached to equipment with

other power cords. Do not block access to front-mounted equipment with equipment mounted to

rear rack rails.

E. Wiring

1. Wiring Standards - Execute wiring in strict adherence to standard audiovisual engineering

practices.

2. Field Connection Devices - Connect cable to active components through screw terminal

connections and spade lugs when appropriate. For BNC connections use three piece, dual crimp

BNC properly sized for cable with insulating bushings. Wire nut or “Skotchlock” connectors are

not acceptable. Do not wrap audio cable splices or connections with adhesive backed tape.

Punch connectors or telephone-style punch blocks are not acceptable anywhere in the installation

unless specifically authorized by Consultant

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