CMB-B72
User’s Manual
-13-
JP1, JP2
: COM1, COM2 pin-9 setting
Jumper settings
Function
1-2
5V
3-4
12V
5-6
RI (Default)
Effective patterns of connection: 1-2 / 3-4 / 5-6
Other may cause damage
Please inform us above jumper mode before order if necessary to change.
Pin
Signal
Pin
Signal
1
DCD/422TX-/485-
2
RXD/422TX+/485+
3
TXD/422RX+
4
DTR/422RX-
5
GND
6
DSR
7
RTS
8
CTS
9
RI
COM1
COM3
COM2
COM4
1 2 3 4 5
6 7 8 9