IL91210E Description
This inverter input pin detects the state of the hook switch contact. “Off Hook” is represented by a GND condition. “On Hook” is represented by a VCC condition.
IL91210E is Tone/Pulse Dialer manufactured by IK Semiconductor.
| Manufacturer | Part Number | Description |
|---|---|---|
| ETC Unknown Manufacturer |
IL91210EN | TONE/PULSEDIALER |
This inverter input pin detects the state of the hook switch contact. “Off Hook” is represented by a GND condition. “On Hook” is represented by a VCC condition.