J8 Pin
Signal
1
GND
2
RXD
3
TXD
4
RTS
RS-232 Pins
1
2
3
Figure 4-2: J4 - RS-232 Jack Pinout
Table 2: RS-232 Serial Connection
Ground
Receive Data Input (from external device)
Transmit Data Output (to external device)
Ready to Send Output (to external device)
4
HandPunch 1000 Manual
Connection
17