User manual

15
COM 3 and COM 4 ports
The EITX-3000 provides two D-Sub 9-pin connectors, which offers
standard RS-232 serial communications interface port as COM 3
and COM 4. Please refer to the table list below for the pin
assignments of COM 3 and COM 4.
Pin
Signal
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
No
NoNo
Note:
te:te:
te:
NC represents “No Connection”
LED Indicators
There are two LEDs on the EITX-3000 front I/O coastline for
indicating system status:
• PWR LED is for power status and Flash in green color; and
• HDD LED is for hard disk and compact flash disk status, which
Flash in red color.