User`s manual
AEQ FORUM 
Digital audio mixer for broadcast applications 
27
By changing some jumpers on the FR02 module you can work with digital signals in SPDIF 
format. In the module you can see, for each one of the 4 inputs and 4 outputs, the jumpers 
position in order to configure them as AES3 or SPDIF:
 Jumpers  Jumpers 
 Digital input 1  J1, J2, J3, J5 and J7  Digital output 1  J4, J6, J8 and J9 
 Digital input 2  J10, J11, J12, J14 and J16  Digital output 2  J13, J15, J17 and J18 
 Digital input 3  J20, J21, J22, J26 and J28  Digital output 3  J25, J27, J29 and J30 
 Digital input 4  J31, J32, J34, J36 and J38  Digital output 4  J35, J37, J39 and J42 
 Position 1-2: AES3 
 Position 2-3: SPDIF 
2.2.3.2. FR03 Mic/Line inputs module. 
The AEQ FORUM FR03 module includes 2 switchable monophonic microphone/line level on 
two female XLR connectors. 
Each of the two Mic/Line inputs available on the FR03 module includes separate controls on 
dedicated hardware button to select your operation as microphone or line input, as well as the 
activation or deactivation of the +48V Phantom power available. The modification or activation 
of any of these options can be monitored from the internal menu available in the main screen of 
the Control and Monitoring section and monitors in the control surface FORUM AEQ. For more 
information see section “3.4.3.1.3. Expanded information menu“ in this manual. 
XLR - Female 3p. Balanced connection. 
Pin 1 Æ GND 
Pin 2 Æ Input + 
Pin 3 Æ Input - 
NOTE 1: the physical location of the FR03 modules present in a normal configuration of AEQ 
FORUM is limited to the first 4 of the 14 available slots on the rear panel of console. Therefore, 
the maximum number of microphones present in any AEQ FORUM console is 9, 8 through the 
FR03 modules connected and one more microphone connected to “T´BACK MIC” input. 










