PDA connectors and cables The Universal Connector was a standard port fitted to the bottom of many Palm PDA’s from 2001 to 2004.
10 pin PALM special connector
9 pin D-SUB female connector
|1||DTR||non-standart implementation of DTR. As long as the transceiver is enabled this pin outputs an asserted signal. 3.0 volts when transceiver shutdown (normal mode), 6.0 volts when transceiver enabled (Hotsync)|
|2||Vbat, +3.3v||normally connected to HotSync (pin 7) with button|
|7||HotSync IRQ||link to 3.3v (pin 2) for HotSync. Interrupt line for waking up device (initiate HotSync process in PalmOS).|
|8||ID||Palm modem connect this pin to 3.3v (pin 2) by 20Kohm link|
|9||N/C*||DC In in Palm III (+5VDC)|
- Palm V does not contain an internal charging circuit.
- Maximum transmission rate is 115200 bps (57600 bps for modem).
Palm Serial cable scheme