Figure 2.7 Com Connector - Advantech ark-3405 User Manual

2.3.2.3 COM Connector
ARK-3405 provides up to eight D-sub 9-pin connectors, which offers RS-232/422/485
serial communication interface ports. Default setting is RS-232, if you want to use
RS-422/485, please refer to the jumper setting pages. The BIOS setting of RS-232/
422/485 can be found in Chapter 3.1.2.3.
The RS-422/485 mode of ARK-3405 COM3~COM4 can be supported via BIOS set-
ting.
The setting is under Advanced BIOS Features Setup -> Super IO Configuration.
Table 2.4: COM Connector Pin Assignments
Pin
1
2
3
4
5
6
7
8
9
2.3.2.4 DIO Connector
ARK-3405 provides one DSUB 9-pin female connector, which offers 8-bit digital
input/output communication without isolation. Detailed pin assignments below.
Table 2.5: DIO Connector Pin Assignments
Pin
1
2
3
4
5
6
7
1 2 3 4 5
6 7 8 9

Figure 2.7 COM connector

RS-232
Signal Name
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Figure 2.8 DIO Connector
Signal Name
Port0 D0
Port0 D1
Port0 D2
Port0 D3
Port0 D4
Port0 D5
Port0 D6
RS-422 RS-485
Signal Name Signal Name
Tx- DATA-
Tx+ DATA+
Rx+ NC
Rx- NC
GND GND
NC NC
NC NC
NC NC
NC NC
13 ARK-3405 User Manual