AT&T G3 manual To Choose the Hardware, Type, Distance Hardware Network From PBX Requirements

Planning Connectivity

To Choose the Hardware

To Choose the Hardware

Introduction Before you choose your data communication hardware, consider

	these site-specific issues:
	■ Whether or not you want to make connections through the
		public network
	■	Distance requirements
	■	Cost factors
Type of
	The following table lists the types of data communications
hardware	hardware that you need for connecting to a network. It also lists
	distance and equipment requirements.
				Distance	Hardware
	Network		Hardware	from PBX	requirements
	Public		Any	unlimited	Modem pooling on
			supported		the DEFINITY G3
			modem		PBX
	Private		7400B data	Within	A port on a digital
			module	5000 feet	board (TN754 in the
					U.S.A.)
			ADU	Within	A port on a dataline
				2000 feet	board (TN726E in
					the U.S.A.)
					(An ADU is less
					expensive than the
					7400 B data
					module.)

5-8Issue 2 April 1996