Teknor Industrial Computers TEK-AT2 Hardware Reference Manual page 14

64 TEK-AT2 REFERENCE MANUAL
J6 COM1 CONNECTOR
PIN NUMBER
SIGNAL FLOW
SIGNAL
DCD I
TX O
GND O
RTS O
RI I
J4 COM2 CONNECTOR/RS232
PIN NUMBER
SIGNAL FLOW
SIGNAL
DCD I
RX I
TX O
DTR O
GND -
PIN NUMBER
SIGNAL FLOW
SIGNAL
1 2 I RX
3 4 O DTR
5 6 I DSR
7 8 I CTS
9
PIN NUMBER
SIGNAL FLOW
SIGNAL
1 2 I DSR
3 4 O RTS
5 6 I CTS
7 8 I RI
9