User`s manual
AEQ FORUM - DIGITAL AUDIO MIXER FOR BROADCAST APPLICATIONS 
22
Details DB9 male connector 
GPO outputs (2 x SUB-D male 9-pin). 
1  GPOUT1    1  GPOUT5 
6  GND_GPOUT1   6  GND_GPOUT5 
2  GPOUT2    2  GPOUT6 
7  GND_GPOUT2   7  GND_GPOUT6 
3  GPOUT3    3  GPOUT7 
8  GND_GPOUT3   8  GND_GPOUT7 
4  GPOUT4    4  GPOUT8 
9  GND_GPOUT4   9  GND_GPOUT8 
5  Not connected 5  Not connected  
On request, this wiring kit can be supplied with connectors explicitly specified by the customer. 
For more information please refer to AEQ sales department or authorised distributors. 
 2.2.2.1.3. GPO physical contact 
The AEQ FORUM includes 4 physical contacts GPO through the two male DB9 connectors in 
the “GP OUTPUTS” section. The connectors are numbered from 1 to 2 and 3 to 4. 
Specifications: 
•  Contact closure relay. 
•  Maximum current: 1 A @ 30 v. DC, 0.3 A @ 125 V AC. 
•  Maximum voltage: 60 V DC or 125 v. AC. 
•  Maximum power: 30 VA 
Electronic output associated with general purpose GPO physical contact 
In order to simplify the  installation  phase, AEQ  offers a  prefabricated  wiring kit  specifically for 
GPO  outputs:  CAB  FR  GPR,  female  DB9  connector  soldered  to  4  metres  of  cable  open-end 
termination for GPO. More information in section 2.2.4 of this manual. 










