AGA - General Purpose Audio Interface  
                                
                                
                               
                               
                              
                                    
                           		 	
                                	
                                    • Circuitry for feeding 16 audio program channels into and/or out of the AlphaCom exchange under software control
• Provides 6 channels for two-way speech communication between nodes in an AlphaNet system.
• Can be used for special features such as duplex conferencing and volume control for group calls
• 600 ohms 0dB galvanic isolated input/output via transformer.
• Termination on board with jumpers.
• Board can add internal and external audio sources to an audio input/output.
• Provides 8 channels for two-way speech communication between modules in a multimodule system.
• Individually adjustable sensitivity (gain) for all channels
• Coded connector to ensure correct positioning in the module.
• Hot plug in/plug out