Issue 2 April 1996 5-13
Planning Connectivity
To Choose Circuit Packs
To Choose Circuit Packs
Introduction Before you can connect your communications hardwar e 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 comm unication hardware
and the line type.
* The TN numbers for circuit p acks are for use in the United
States. International users must check the DEFINITY G3
Applicati on Notes for t h e c or rec t circuit pack.
Hardware Line type Circuit pack*
Any supported mod em analog TN746
TN742
7400B data module digital TN754
ADU data TN726B