AT&T System 85 manual 111

7402 Plus Voice Terminal

Distance Limitations

The maximum allowable distances of a 7402 Plus voice terminal from the DEFINITY G1, G2, G3, System 75, or System 85 cabinet are shown in the following table.

		NOMINAL MAXIMUM RANGE
SYSTEM	PORT BOARD	IN FEET (METERS) (SEE NOTE)
		24 AWG	26 AWG
System 85	SN270B	3,400 (1,034)	2,200 (671)
	TN754	3,400 (1,034)	2,200 (671)
DEFINITY G2	SN270B	3,400 (1,034)	2,200 (671)
	TN754	3,400 (1,034)	2,200 (671)
DEFINITY G1 & G3	TN754	3,400 (1,034)	2,200 (671)
System 75

Note: These ranges can be extended to 5,000 feet (1524 m) for 24 AWG wire and 4,000 feet (1219 m) for 26 AWG wire with the use of a Data Link Protector (DLP).

Power Requirements

The 7402 Plus voice terminal receives power from the system and does not require any external power supply. Additional external power is required when the 7402 Plus voice terminal is equipped with any adjuncts, such as an external speakerphone.

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