• Call in switch for Bogen PI-35A & SI-35A

• Cost-effective communication with 25 staff stations
• Step-by-step instructions and color-coded guidelines for easy operation
• Instant Emergency/All Rooms announcements
• Emergency announcements take precedence over program distribution
• Remote emergency paging capabilities
• 20-watt intercom for instant two-way communications
• 35-watt program channel
• Provision for time signalling and voice call-in
• Compact low profile console
• Optional paging facilities permit emergency all-call paging from a remote telephone or microphone
• Telephone paging captures system priority and overrides all system functions except the emergency page feature
• Room selector panel is provided to select intercom and program functions for each station
• Calls from stations are initiated through call-in switches and are announced at the control center by light and tone annunciation
• Two-wire hook-up or voice call-in wiring
• Enclosed in a space-saving console, finished in an attractive simulated wood grain finish

• Color-coded guidelines
• Built-in LED annunciators
• Space-saving design
• Modular versatility

• 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

• Cost-effective communication for 25 to 75 rooms
• Can be furnished with 1, 2 or 3 room selector panels (each with 25 switches), to accommodate up to 25, 50, or 75 rooms (model SBA225)
• Step-by-step instructions and color-coded guidelines for easy operation
• Instant Emergency and All Rooms announcements
• Remote emergency paging capabilities
• 20-watt intercom; separate 35-watt program channel
• Provision for time signalling, telco and voice call-in
• Aural and visual monitoring of program material, as well as level controls
• Transmit a time tone for classroom change, etc.
• Emergency All-Call with a single push-button
• Emergency announcements take precedence over all system functions and are transmitted at a predetermined level
• Emergency paging from a remote telephone or microphone
• Teachers converse hands-free with the control center operator over their individual classroom speaker
• Calls to staff locations are announced by a supervisory tone signal, which repeats at regular intervals to indicate that the channel is open and the room is being monitored
• Classrooms can be equipped with call-in switches to call the control center, with options for privacy to voice call-in
• A CD player-AM/FM receiver can be installed when system capacity does not exceed 50 stations
• Sturdy desktop cabinet finished in an attractive simulated wood grain finish

• Withstands attempts at vandalism in hostile environments
• Grille openings are cross-positioned so nothing can enter the speaker
• Mounts with one-way security screws (included)
• 3" weather-resistant cone speaker
• 1/2-watt speaker power on 25V speaker line
• Optional low impedance 8-ohm speaker operation
• Call-in switch can be wired for "momentary" or "latching" operation