To Choose Circuit Packs - AT&T OneVision DEFINITY G3 Guide Installation And Connection Manual

Planning Connectivity

To Choose Circuit Packs

To Choose Circuit Packs

Introduction Before you can connect your communications hardware to the
PBX, you must choose the appropriate circuit pack.
Line type The line type of the circuit pack depends on whether you use a
modem, a data module, or an ADU.
The following table matches the data communication hardware
and the line type.
* The TN numbers for circuit packs are for use in the United
States. International users must check the DEFINITY G3
Ap plication Notes for the correct circuit pack.
Hardware
Any supported modem
7400B data module
ADU
Line type Circuit pack*
analog TN746
TN742
digital TN754
data TN726B
Issue 2 April 1996
5-13