Telxon PTC-921 DOS, User Manual

Page: 41 / 52

Appendix
D
Pinouts
Table 3 lists the pinouts of the PTC-921 DOS’s
communication/charging contacts. The diagram to the
left of the table identifies the pin sequence when you
are looking at the back of the PTC and the scanner
lens is facing away from you as depicted in the figure
on page 4.
Table 3. Communication/charging contact pinouts
Pin Signal Description
1 VBATT Battery charge voltage
2 KILL Kill
3 RXD Receive data line
4 TXD Transmit data line
5 RING Ring indicate
6 GND Ground
7 RTS Request to send (handshake line)
8 CTS Clear to send (handshake line)
1 2 3 4 5 6 7 8
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