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.
Hardware | Line type | Circuit pack* |
|
|
|
Any supported modem | analog | TN746 |
|
| TN742 |
|
|
|
7400B data module | digital | TN754 |
|
|
|
ADU | data | TN726B |
|
|
|
*The TN numbers for circuit packs are for use in the United States. International users must check the DEFINITY G3 Application Notes for the correct circuit pack.
Issue 2 April 1996
