Common Audible Control Units 3 C.O. Lines

 

Wheelock Series CA Common Audible Control Units monitor multiple analog telephone lines (tip and ring) to provide all call signaling, zoned signaling or night bell connection. These control units also enable connection for operation of external audible or visual alerts to be operated directly off the telephone ring voltage output.

Features:

• Approvals Include: UL Listed
• Enables electronic key systems, PBX or 1A2 key systems to have a dry contact closure to trigger other devices
• Choice of two outputs for alert signal connection: standard ringing voltage or contact closure
• Easy connection to Wheelock’s dry contact interface (DCI-24-24) or power supply (EPS-2401) for driving 24 volt alert signals
• Application: Monitor up to 3 Tip & Ring Lines, 1 Zone
• Input Voltage: 55-130V, 20-30 Hz
• Output: Ringing Voltage or Dry Contact Closure1