Just in case anyone interested, here is the pinout assignment for the Tapwave Zodiac.
Zodiac 1, Zodiac 2 Hotsync Connector – Custom 17 Pin Connector
| Signal Name | Type | Pin | Description |
| Gnd | I | 1 | Ground |
| DC_In | I | 2 | DC Input. 5.0V±5% @ 1.1A max. Used for charging. |
| USB_D+ | B | 3 | USB D+ |
| USB_D- | B | 4 | USB D- |
| VBUS | I | 5 | USB VBUS. USB Detect |
| HS_Int | I | 6 | HotSync Interrupt (i.e. HotSync Button) |
| RXD | I | 7 | Receive Data (CMOS level), Serial Line |
| Vcc | O | 8 | Peripheral Supply Voltage Vcc (also used for HS_Int) 3.0-3.3V @ 100mA maximum. |
| TXD | O | 9 | Transmit Data (CMOS level), Serial Line |
| ID | I | 10 | Peripheral ID: A peripheral must tie this to a 1% resistor to ground. A total of 6 peripheral types are supported. Also generates an interrupt when connected. USB Travel Cable: Shorted Keyboard: 2.00K Mfg. Test Cradle: 5.0K RxTx Travel Cable: 10.0K USB Peripheral: 20.0K RxTx Peripheral: 50.0K Undocked: Open |
| DockConnect | I | 11 | Dock Connect (connects to ground on travel |
| RTS | O | 12 | Request to Send (CMOS level), Serial Line |
| CTS | I | 13 | Clear to Send (CMOS level), Serial Line |
| Reserved | B | 14 | Reserved |
| Reserved | B | 15 | Reserved |
| Reserved | B | 16 | Reserved |
| Gnd | I | 17 | Ground |
