The Link Electronics PCA-819 is an audible alarm system designed to work with the PCO-818 automatic change-over system. When the change-over is activated because of a loss of master sync the PCA-819 senses the action and offers an audible alarm and an LED readout.
- Relay Contacts
- Isolated relay contacts, both normally open, and normally closed, are provided so the user can control other equipment or alarms in the event of a loss of signal at the Changeover Frame.
- Visual Indication
- Bi-color LED's indicate an RED alarm condition , GREEN condition OK, and BLINKING GREEN unit has been disabled.