Pin 1 is on the left, as the Visor Deluxe lies screen down on a table with the connector nearest you and the Springboard slot furthest away from you.
Connector at the Bottom of the PDA
| Bottom of the PDA Pin |
Name | Direction | Description |
|---|---|---|---|
| 1 | RX Data |  |
3.3V input to Visor Deluxe serial port |
| 2 | Keyboard Detect | |
3.3V input to notify Visor Deluxe of presence of external keyboard |
| 3 | Hotsync interrupt | |
3.3V input to notify Visor Deluxe that Hotsync button on cradle was pushed |
| 4 | Ground |  |
Ground |
| 5 | USB + Data |  |
USB D+ line |
| 6 | USB - Data | |
USB D- line |
| 7 | VDock | |
Voltage from cradle. Connects internally to some Springboard modules to recharge onboard batteries. |
| 8 | TX Data |  |
3.3V output from Visor Deluxe serial port |