User`s manual

AEQ FORUM - DIGITAL AUDIO MIXER FOR BROADCAST APPLICATIONS
20
2.2.2.1. GPIO
AEQ FORUM incorporates several electronic general purpose interfaces, GPIO, either of the
opto-coupled or physical contact type and always available on the rear panel of the unit.
Location of GPIO´s resources
2.2.2.1.1. Opto-coupled GPI
The AEQ FORUM includes 8 electronic interfaces GPI of opto-coupled type through the two
female DB9 connectors in the “GP INPUTS” section. The connectors are numbered from 1 to 4
and 5 to 8.
Specifications:
• Opto-coupler protected inputs (TLP127).
• Maximum Input Current: 50mA.
• Applicable voltage: from 5V to 24V.
Associated electronics general purpose input GPI
In order to simplify the installation, AEQ offers a prefabricated wiring kit specifically for GPI
inputs: CAB FR GPI, male DB9 connector soldered to 4 metres of cable open-end termination
for GPI. More information in section 2.2.4 of this manual.
Opto-
coupled General
Purpose Outputs – GPO's
Opto-coupled
General
Purpose Inputs
– GPI's
Relay contacts
General
Purpose
Outputs –
GPO's