Panasonic KX-FP701ME

35
KX-FP701ME
6.5.5. Hook Switch (SW101)
When the handset is lifted, the switch turns ON, and the signal at pin 43 of IC1 becomes low.
When the handset is returned, the switch turns OFF, and the signal at pin 43 of IC1 becomes high.
SW Signal (IC1-43 pin)
ON-Hook ON Low level
OFF-Hook OFF High level