AT&T DEFINITY 7100 series Manual de usuario descargar pdf (Pagina 63)

CONTROL CIRCUIT PACKS

Call Classifier TN744 (G3V2)

Provides 8 ports for touch-tone reception and call classification. It

is required with OCM and call prompting applications.

One TN748C Tone Detector is required in each port network to sup-

port maintenance test tones when using the TN744 circuit pack.

Current Limiter Card 94782LS (G3iV2)

The 982LS connects to the back of the processor board slot. It pro-

vides current limited accessory 48 volts, emergency transfer logic,

current limited 5 volts to trip the main circuit breaker in a high tem-

perature condition, and duplicated 48 volts for the fan units in the

EPN cabinet.

Current Limiter CFY1B

The CFY1B connects to the back of the maintenance board slot. It

provides current limited accessory 48 volts, emergency transfer

logic, current limited 5 volts to trip the main circuit breaker in a high

temperature condition, and duplicated 48 volts for the fan units in

the EPN cabinet.

Disk Drive TN1657 (G3rV2)

Contains a small computer system interface (SCSI) disk drive that

provides mass data storage. The TN1657 reduces the system boot

time. Optional for direct connection between carriers; required for

using CSS.

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AT&T DEFINITY 7100 series Manual de usuario Pagina 63