The SRC-1 enables a standard touch tone phone to securely operate a set of timed relay contacts to control a door strike or gate controller at a remote location. The SRC-1 is fully user programmable and uses non-volatile memory. The SRC-1 eliminates the possibility of dialing the activation code through the entry phone using a hand held touch tone dialer. Also known as -Viking Electronics VK-SRC-1 Secure Relay Controller-Viking Electronics Vk-src-1 Secure Relay Controller-Secure Relay Controller-Viking Other Server Room Secure Relay Controller VK-SRC-1-Viking Electronics SRC-1 Secure Relay Controller
