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15-Pin Female D-Sub Connector
Pin
Signal
1
RI
*
2
DTR/TXD COM2
3
RTS
4
TXD
5
RXD
6
CTS
7*
DSR/RXD COM2
8
CHARGE_EXT
9
GND
10
DCD
11
Not Used
12
Not Used
13
Not Used
14
Not Used
15
SW_V+
* Pin 2 and 7 are multiplexed. If the three wire COM2 is selected then
the /signal applies.
Connector Pin-Outs
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Function
RS-232 Ring Indicator
RS-232 Data Terminal Ready
RS-232 Request To Send
RS-232 Transmitted Data
RS-232 Received Data
RS-232 Clear To Send
RS-232 Data Set Ready
External Charge Voltage input
Ground, Signal
RS-232 Data Carrier Detect
Switched 5.0 volt peripheral power
Appendix A
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6212 Hand-Held Computer User's Guide
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A A - - 1 1