The output expansion module, designed for use in conjunction with the control panels of INTEGRA, INTEGRA Plus, VERSA, VERSA Plus, PERFECTA families, as well as with ACCO-NT2 access control panel. This device replaces the CA-64 O-OC, CA-64 O-R and CA-64 O-ROC modules. The INT-O allows for expansion of the system by additional 8 wired outputs. An additional tamper input helps detect unauthorized opening of the enclosure in which the module is installed.