High-quality RS-232 to RJ-45 Converter tailored for PTC-120 camera Reliable RS-232 cascade solution for PTC-120 and RMC-190 models Enables easy connection from control panel to CAT. 5 Enhances control distance when used with CB-55 and CB-57 Allows cascading of up to 7 PTC-120s for multiple camera connections Designed for seamless conversion of RS-232 signal to RJ-45 Ethernet connection