KBox F-300-V1K - User Guide, Rev. 1.0
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11.6.
RS232/422/485 Serial Port
Table 10: RS232/422/485 Serial Port (see Figure 1, pos. 5)
Pin
RS232
RS422
RS485 Half
Duplex
RS485 Full
Duplex
COM1 ~ COM4 (9-pin D-SUB Male Connector)
1
DCD
TX-
DATA-
TX-
2
RXD
TX+
DATA+
TX+
3
TXD
RX+
N/A
RX+
4
DTR
RX-
N/A
RX-
5
GND
GND
GND
GND
6
DSR
N/A
N/A
N/A
7
RTS
N/A
N/A
N/A
8
CTS
N/A
N/A
N/A
9
RI / +5V *
N/A / +5V * N/A / +5V * N/A / +5V *
* Pin 9 signal depends on the ordered system configuration.
11.7.
RS232 Serial Port
Table 11: RS232 Serial Port (see Figure 1, pos. 6)
Pin
Signal Name
COM5 & COM6 (9-pin D-SUB Male Connector)
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI / +5V *
* Pin 9 signal depends on the ordered system configuration.
