Toshiba Strara CTX Series Installation And Maintenance Manual page 76

Digital business telephone systems
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Strata CTX670 Installation
Site Requirements
Input Power
The CTX670 requires an input power source of 240±20VAC, 50/60 Hz, single phase. For up to five
cabinets; 240VAC is required for six or seven cabinets. The system requires one or two AC outlets that
must be dedicated to system use, fused, and grounded.
Each Remote Expansion Cabinet requires 3.2 amps. maximum. The remote cabinet installation
requires one or two AC outlets that must be dedicated to system use, fused, and grounded.
See Cabinet Installation Considerations for complete AC power cabling, ground wiring and battery
installation instructions for local and remote cabinets.
CAUTION!
To avoid accidental power turn-off, do not use an On/Off wall switch for AC circuits
dedicated for the use of CTX670.
A reserve power source (two or four customer-supplied 12VDC batteries) can be connected to the
CTX670 to serve as a backup in case of power failure.
Separate reserve power may be required for remote expansion cabinets.
Clearance and Location
The Base and optional Expansion Cabinets can be either floor or wall mounted.
minimum clearance requirements for up to seven cabinets.
Notes
Floor mounting requires the following additional hardware:
BFIF – floor mounting stands and brackets.
BCCB – electrical conduit box, if three or more cabinets are installed.
Wall mounting requires a plywood (1.9cm or 3/4 inch thick) backboard.
When selecting a location for the cabinets, the location must be:
Dry and clean
Well-ventilated
Well-illuminated
Easily accessible
The location must not be:
Subject to extreme heat or cold
Subject to corrosive fumes, dust, or other airborne contaminants
Subject to excessive vibration
Next to television, radio, office automation, or high frequency equipment
Optional customer-supplied reserve batteries require a well-ventilated location close (within 2.75m or
9 feet) to the CTX670 cabinets.
3-2
Figure 3-1
shows the
Strata CTX I&M September 2002

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