Toshiba Strata CTX100, Installation And Maintenance Manual

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Strata CTX100 Installation
AC Power and Grounding Requirements
2-4
Strata CTX I&M 10/02
Environmental Considerations
Table 2-1 provides a summary of the environmental characteristics.
AC Power and Grounding Requirements
The CTX100 requires a solid earth ground for proper operation. The five ft. AC power cord
contains a conductor for the “third-wire ground” provided by the commercial power outlet. The
third-wire ground should be the only ground necessary for each CTX100 cabinet; this ground must
originate at the building’s main power distribution panel and have a solid connection to earth
ground. (See
Figure 2-2 .)
CAUTION!
Lack of proper ground may cause improper operation and, in extreme cases,
system failure.
An inter-cabinet ground wire connecting the Base and Expansion cabinets is not necessary.
Power Considerations
The power supply in each Strata CTX100 Base and Expansion Cabinet furnishes power to all of
the PCBs and stations and some of the interface peripherals. The primary AC power for each
cabinet is 120VAC (see
Table 1-59 on page 1-46 ).
Table 2-1 CTX100 Environmental Characteristics
Environmental Specifications
Operating temperature
Operating humidity
Storage temperature 32~104° F (0~40° C)
20~80% relative humidity without condensation
-4~140° F (-20~60° C)
BTU Rating (Base plus Expansion Cabinet)
ACTU (installed)
BDKU (5 installed)
RCOU/RCOS (1 installed)
Digital Telephones (40 installed)
190 Watts (56 watt hours for both cabinets)
Power
Supply
Third Wire
AC Ground
Third Wire Ground
from AC Power Cord
CTX 100 Base Cabinet
A
Electrical Building
Ground (Main Power
Distribution Box)
Alternate Ground
AC Voltage
120VAC
AC Current
1.8 amps max.
5911
4' 5"
Figure 2-2 CTX100 Grounding Diagram