AT&T System 85 manual Distance Limitations, Power Requirements, Power Failure Operation

7101A Voice Terminal

Distance Limitations

The maximum allowable distances of a 7101A from the DEFINITY G1, G2, G3, System 75, or System 85 cabinet are shown in the table below.

		NOMINAL MAXIMUM RANGE
SYSTEM	PORT BOARD		IN FEET (METERS)			SEE NOTE
		24 AWG		26 AWG
SYSTEM 85	SN229	3,500	(1,067)	3,500	(1,067)	—
	SN228B	15,000	(4,572)	9,000	(2,743)	—
DEFINITY G2	SN229	3,500	(1,067)	3,500	(1,067)	—
	SN228B	15,000	(4,572)	9,000	(2,743)	—
	TN742	15,200	(4,633)	10,000	(3,050)	—
	TN746		—	—		1
DEFINITY G1
and G3	TN742	15,200	(4,633)	10,000	(3,050)	—
SYSTEM 75	TN769	15,200	(4,633)	10,000	(3,050)	—
	TN746		—	—		1

1. The 7101A cannot be used with the TN746 Port Circuit Pack.

Power Requirements

The 7101A is powered by the tip and ring leads. It does not require any external power supply.

Power Failure Operation

The 7101A cannot be used as an emergency station during power failure transfer conditions.

FCC Registration

The 7101A is not FCC registered.

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