Com Connector; E-Sata Connector - Advantech ARK-3403 User Manual

2.2.5

COM Connector

ARK-3403 provides 6 D-sub 9-pin connectors that is serial communication interface
ports. The COM1/2 in the rear side support RS-232/422/485 mode by BIOS select,
the COM3/4 in the front side and the COM5/6(CN19/CN21) internal by header is only
support RS-232. The COM1/2 default setting is RS-232, if you want to use RS-422/
485, you can find the select item in the BIOS setup.
Table 2.1: COM standard serial port pin assignments
RS-232
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Note: NC represents "No Connection".
2.2.6

e-SATA Connector

ARK-3403 has a 7 pin external connector for e-SATA device. That is fully compliant
with SATA I/SATA II standards, its can be access with external SATA I/SATA II device
then up to 300MB/sec.
ARK-3403 User Manual
Figure 2.7 COM port connector
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
Figure 2.8 e-SATA connector
8
RS-485
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC