Data Sheet

SCR25A
• Provides annunciator latching control
• Simple plug-in method
• 25 annunciator circuit capacity
• Operating mode set with jumpers
• Termination via centerline pins (use Bogen
25-Series Connector Kit)
• Support brackets included
TZMA
• Provides up to six zones of time signalling
• Simple plug-in method
• 25 circuit capacity
• Ultra-reliable relays sealed against contamination
and capable of handling 10 watts of audio power
• Termination via centerline pins (use Bogen
25-Series Connector Kit)
• Support brackets included
Features
Description
Specifications subject to change without notice.
© 1997 Bogen Communications, Inc.
Part No. 54-7618-04B Printed in U.S.A. 0408
Call-In & Time
Zone Modules
Models SCR25A & TZMA
SCR25A
TZMA
SCR25A
The Bogen Model SCR25A Call-In Module is an annunciator latching control bank designed for use with room
selector panels in Bogen Multi-Graphic® systems.The SCR25A provides 25 silicon controlled rectifiers (SCR)
and permits the use of momentary switches without SCRs.
The silicon controlled rectifiers provide annunciator latching, keeping the appropriate LED annunciator lamp on
the room selector panel illuminated until the call is acknowledged.
TZMA
The Bogen Model TZMA Time Zone Module is designed for use with room selector panels in Bogen
Multi-Graphic systems.The module allows each circuit of the room selector panel to be programmed to any of
six zones for time signaling.
Each module provides 25 six-position DIP switches for zone programming, as well as ultra-reliable relays
designed for over 1,000,000 trouble-free operations.