Strata CTX100-S/CTX100 Installation

AC Power and Grounding Requirements

Environmental Considerations

Table 3-1provides a summary of the environmental characteristics.

Table 3-1 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)

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 3-2.)

 

Third Wire Ground

 

from AC Power Cord

Third Wire

CTX 100 Base Cabinet

AC Ground

 

4' 5"

A

AC Voltage

Electrical Building

120VAC

Ground (Main Power

Distribution Box)

AC Current 1.8 amps max.

Power

Supply

Alternate Ground

5911

Figure 3-2 CTX100 Grounding Diagram

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 2-59 on page 2-47).

3-4

Strata CTX I&M 06/04

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Toshiba CTX28 manual Environmental Considerations, Power Considerations, BTU Rating Base plus Expansion Cabinet