DEES DSI-375, User Manual, Page: 23 / 48

The Off-Hook Busy feature is used to monitor the MBS for an off-hook
state. The DSI will provide contact closure once detected so that a light
or other device is activated. If the MBS is equipped with the "make busy"
feature, DSl can be configured to close those contacts when the "make-
busy" feature has been activated regardless of which key on the MBS is
assigned to the "make busy" feature.
Action
Step 1: Apply power or disconnect and then reapply.
The LED will flash rapidly and you have 20 seconds to
commence programming.
Step 2: Press the then press
Step 3: Press the again to activate the feature.
Press if you wish to deactivate this feature.
Step 4: Press to enter this configuration.
If this configuration is to be used with the "make busy" feature, proceed
to Step 5. If not, you have finished. The contacts will close any time the
MBS goes off-hook and are connected to auxiliary devices via the AUX
EQPT jack on the DSI.
Step 5: Determine the line button number of the "make busy" feature
(see Fig. 6). For example, if the "make busy" feature is located
on line button 4, then press on the dial pad of the MBS.
In this example the following keys would be pressed:
19
Configuration 1
Monitoring
Off-Hook Busy
*
0
1
1
# 1
4
*
# 1 1 1 4