User Guide

60
Up to two interfaces per PABX with independant commands can be installed.
For proper operation of the emergency call, you should follow the steps in item 3.5.
To install :
- Connect the first interface to CN30 (emergency call 1) and the second interface
to CN31. The key contacts, usually opened, must be connected to SalmA and
SalmB of the interface for auto-activation ITA 700.
4.3.6
Auto-attendant
The DISA board or auto-attendant allow the caller to directly access the extensions
without going through the operator, see item 3.3.
There are four types of DISA boards :
- DISA T (1 or 2 channels), only for tone signaling;
- DISA P/T (1 or 2 channels), for pulse and tome signaling.
To install :
- Install the DISA board to CN21 as follows :