Psion Teklogix Vehicle-Mount Computer 8515 - Manual (Page 173)

Psion Teklogix 8515 Vehicle-Mount Computer User Manual B-1
B.1 Serial Port Interface Pinout (DB-9 male)
Table B.1 RS-232 Pinout*
Signal # Function Signal Type Notes
1
RS-232 Serial Port Data
Carrier Detect
DCD RS-232D Loopback for PCON/CON
2
RS-232 Serial Port
Receive Data
RXD RS-232D
3
RS-232 Serial Port
Transmit Data
TXD RS-232D
4
RS-232 Serial Port Data
Terminal Ready
DTR RS-232D Loopback for PCON/CON
5 Ground GND Power
6
RS-232 Serial Port Data
Set Ready
DSR RS-232D Loopback for PCON/CON
7
RS-232 Serial Port
Ready to Send
RTS RS-232D Loopback for Console
8
RS-232 Serial Port Clear
to Send
CTS RS-232D Loopback for Console
9 Power Output Power
Switched 5V @ 1000mA max (see
Warning below)
* Signal definitions are with respect to the 8515 Vehicle-Mount Computer side.
Warning: If enabled (software configurable), 5V power will appear on this line, which
may be the Ring Indicator line on some devices such as modems.
1/2 Amp Max.
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