Bogen CA21B Specifications

Call-In/Emergency Switch

The Bogen Model CA21B is a momentary, rocker-type call switch designed for use
in Bogen Multicom 2000
the switch signals an administrator to establish a call through a two-way speaker.
When pushed and released four times, the switch initiates an emergency call at the
administrative station.The switch has a privacy feature which prevents monitoring
from the administrative station.The privacy function does not interfere with the
ability of the administrative station to call the staff station, however, the privacy
switch must be released in order to respond to a call.
The CA21B is designed for flush-mounting in a standard single-gang outlet box.
Figure 1 illustrates the proper connection.The shield must not be grounded to the
building ground at the outlet box or the speaker.
Printed in U.S.A. 0503
© 2005 Bogen Communications, Inc.
54-5960-02C
Specifications subject to change without notice.
® Communication Systems.When pushed and released once,
Figure 1 - CA21B Connecting Diagram
Figure 2 - CA21B Schematic Diagram
Model CA21B
50 Spring Street, Ramsey, NJ 07446 U.S.A.
201-934-8500; FAX: 201-934-9832
www.bogen.com
Classroom
Wiring