Hardware Introduction

COM 1 / RS-232
Pin #
Signal
Name
Pin #
Signal
Name
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10
VCC
(5V)
9
7
5
3
1
10
8
6
4
2
10
8
6
4
2
9
7
5
3
1