Com Connector; Esata Connector - Advantech ARK-3440 Series User Manual

2.2.5

COM Connector

ARK-3440 provides 6 D-sub 9-pin connectors that are serial communication interface
ports. The COM1 on the rear panel supports RS-232/422/485 mode by BIOS selec-
tion; COM2 and 3 on the front panel and COM5 and 6 on the internal header only.
The COM1 and COM4 default settings are RS-232; if you want to use RS-422/485,
make the change in 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

eSATA Connector

ARK-3440 has a 7-pin external connector for an eSATA device. It is fully compliant
with SATA I/SATA II standards, and supports external SATA I/SATA II devices up to
300MB/sec.
ARK-3440 User Manual
Figure 2.7 COM port connector
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
Figure 2.8 eSATA connector
10
RS-485
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC