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This circuit will find application in situations where several handsets share the same phone line. The FK319 is a line-powered priority switch so that, when one handset is in use, the other phones are disconnected from the line. Each circuit module is a two line unit and may be used in tandem with other FK319 to accommodate additional phones. Connections to the other lines are restored when the first phone handset is replaced.

Technical Specification

• Power Supply : Line powered. (no additional power required)
• Display : 2 LED's used/unused indication per telephone.
• PCB Dimensions : 2.02" x 1.68" x 0.6" (51.3mm x 42.6mm x 15mm)

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