AT&T System 85 manual TN742 15,200 4,633 10,000 3,050

7104A Voice Terminal

Distance Limitations

The maximum allowable distances of a 7104A voice terminal from the DEFINITY G1, G3 and System 75 cabinet are shown in the table below.

		NOMINAL MAXIMUM RANGE
SYSTEM	PORT BOARD	IN FEET (METERS)
		24 AWG	26 AWG
DEFINITY G1 & G3	TN742	15,200 (4,633)	10,000 (3,050)
SYSTEM 75	TN769	15,200 (4,633)	10,000 (3,050)
	TN746	3,000 (915)	2,000 (610)

Power Requirements

The 7104A voice terminal is powered by the tip and ring leads. Battery power is used for some circuits during the on-hook state when loop current is not available. The battery power is pro- vided by four 1.5 volt AA batteries. The batteries are contained in a battery pack that is accessed through the rear end cap.

Power Failure Operation

The 7104A voice terminal cannot be used as an emergency station during power failure transfer conditions.

FCC Registration

The 7104A voice terminal is not FCC registered.

Hearing Aid Compatible

This voice terminal is compatible with the inductively coupled hearing aids prescribed by the FCC.

3-52