Clear-Com HLI-FBS - Manual (Page 55)

4.5 Configuring the Control I/O
The Control I/O connector (25 way female D-type) on the rear panel allows you to connect up
to 4 relay outputs or 4 opto inputs and control them through the main station keysets:
I/O type Description
Opto inputs Opto inputs enable you to connect a foot switch or other
control device and use it to trigger Call or Talk functions.
Relay outputs Relay outputs enable you to use Call or Talk keys to trigger
any external device that accepts a standard contact closure
(such as a theater curtain or an On Air light).
Table 4-4: Opto inputs and Relay outputs
4.5.1 Configuring Opto inputs
To configure the Control I/O for Opto inputs:
1) In Menu mode, select Control I/O.
2) From the second menu, select Inputs.
3) From the third menu, select one of the following:
• Opto 1
• Opto 2
• Opto 3
• Opto 4
4) From the fourth menu (fourth display screen), select one of the following:
• None
• Call Key 1
• Talk Key 1
• Call Key 2
• Talk Key 2
• Call Key 3
• Talk Key 3
• Call Key 4
• Talk Key 4
5) To confirm the selected setting, press the rotary control.
55 HelixNet Partyline User Guide