Visonic Visonic IOX4 JMAC# VISONIC-IOX-4 Visonic IOX-4 INPUT/OUTPUT BRD FOR USE WITH VXSINPUT/OUTPUT BOARD UPC: 780245008121Also known as: VS-IOX4, IOX4 For more information about the Visonic IOX-4, please contact us. MSRP: Was: Now: $346.05 Add to Cart