SOS KEY / Technical sheet
SOS KEY alarm unit
Vehicle inputs, CAN and LIN interfaces, sensors, alert outputs and the accessory link.
13.10.2026 · 01
Specifications
- Power
- 12V
- PCB dimensions
- 69.6 × 49.5 mm
- Interface
- CAN / LIN / PLIP / SPEEDBUS
Interface
| Pin | Signal | Function |
|---|---|---|
| J1-1 | GND | Ground |
| J1-2 | +12V | Permanent +12 V |
| J1-3 / 4 | LAMP1 / LAMP2 | Indicator lamp output |
| J2-1 | HAZ_OUT | Negative hazard button output |
| J2-2 / 3 | LEDM / LEDP | LED + button (two-wire module) |
| J2-4 | ACC | ACC ignition input |
| J2-5 | SPEEDBUS | Accessory link |
| J2-6 | GND | Ground |
| J2-7 | +12V ADDON | Accessory power |
| J2-8 | SIREN+ | Siren positive |
| J2-9 | CUT− | Negative output for an external cut relay |
| J2-10 | CAN H | CAN High bus |
| J2-11 | CAN L | CAN Low bus |
| J2-12 | LIN | LIN bus |
| J2-13 | PERIMETER− | Negative perimeter input |
| J2-14 | ARM INHIBIT | Arm inhibit |
| J2-15 | DISARM INHIBIT | Disarm inhibit |
| J2-16 | SIREN− | Siren negative |
| J2-17 | PLIP LOCK / PB5 | PLIP lock input |
| J2-18 | PLIP UNLOCK / PB4 | PLIP unlock input |
| J3-1 / J4-1 | GND | Ground |
| J3-2 | USRX | Ultrasonic receiver |
| J4-2 | USTX | Ultrasonic transmitter |