The RS-480VSET consists of an intercom substation RS-480V, and a video substation interface unit IF-480V. The RS-480V is an intercom substation with a color camera which is designed for indoor and outdoor use in combination with the IF-480V, and the N-8400RS substation interface unit.  It requires only one CAT5 cable to connect between the RS-480V and the IF-480V.