AVC Ext0808
Digital Inputs: 8
Digital Outputs: 8
RS-485: Yes
ConExt0404
Digital Inputs: 4
Digital Outputs: 4
RS-485/422: Yes
ConExt1604
Digital Inputs: 16
Digital Outputs: 4
RS-485/422: Yes
AudExt1
Audio Inputs: 1
AudExt2
Audio Inputs: 4
Capa16
Audio Inputs: 16