Bogen CA10A, CA10 Call-in Switch 2 Position with SCR

Models CA10A and CA11A incorporate SCR holding circuits which actuate the annunciator signal and LEDs in Bogen SBA-Series room selector panels. The CA10A and CA11A are designed for use with the PI35A, SI35A and Multi-Graphic Series 115B/2223/2233 systems, Both switches provide momentary Press-to-Call; the CA11A also offers a fixed Privacy position to prevent unauthorized monitoring of the staff station from the control center, The privacy mode does not interfere in any way with program or intercom transmissions to the staff station (privacy cannot be used with 2-wire call-in).