tBOX100-838-FL Series U
ser’s Manual
Connector
12
The pin definitions of RS-232/422/485 are listed as following matrix. You may select RS-
232/422/485 function in BIOS settings.
Pin
RS-232
RS-422
RS-485
1
DCD, Data carrier detect
TX-
Data-
2
RXD, Receive data
TX+
Data+
3
TXD, Transmit data
RX+
NC
4
DTR, Data terminal ready
RX-
NC
5
GND, ground
GND, ground
GND, ground
6
DSR, Data set ready
NC
NC
7
RTS, Request to send
NC
NC
8
CTS, Clear to send
NC
NC
9
RI, Ring indicator
NC
NC
COM
Pin
Signal USB Port 0
Pin
Signal USB Port 6
USB
1 2 3 4
5 6 7 8
1
USB VCC
(+5V level)
5
USB VCC
(+5V level)
2
USB #0_D-
6
USB #6_D-
3
USB #0_D+
7
USB #6_D+
4
Ground (GND)
8
Ground (GND)
