Bogen SCR25A Call-In Module for SBA225 Panel

The Bogen Communications SCR25A Call-In Module is designed for use with the SBA225 switching panel. The SCR25A provides 25 silicon-controlled rectifiers and programmable jumpers, and permits the use of either a momentary switch (such as the Bogen C-17) or a telephone handset with fixed closure for call-in from each staff location.