AT&T System 85 manual Definity G2V1

8403 Voice Terminal

Power Requirements

The 8403 voice terminal receives power from the system and does not require any external power supply. Additional external power IS required when the 8403 voice terminal is equipped with any adjuncts, such as an external speakerphone. In this instance, an MSP-1 Power Supply is recommended. Refer to the Adjunct Power section of this manual for information on the MSP-1 Power Supply.

Switch Administration

Aliasing

Use the following table for administering the 8403 voice terminal:

If you have	and this	(which can	administer
this System	Release	support this	the 8403
		type of operation)	as a
System 75	R1V1 — R1V3	4-wire only	7405
System 85	R2V2 — R2V4	4-wire only	7405
Internat’l System 75	IR1V4, etc.	4-wire only	7405
DEFINITY G1		4-wire only	7405
Global DEFINITY ’91		4-wire only	7405
DEFINITY G2V1		4-wire only	7405
DEFINITY G2V2		4-wire only	7405
DEFINITY G3i, G3r,
G3s, G3vs		4-wire only	7405
DEFINITY G3V2		2- or 4-wire	7405
DEFINITY G3V3		2- or 4-wire	8403

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