Overview The Moxa DA-681A Series x86-based rack-mount embedded computers are designed for control, monitoring, data acquisition, and protocol conversion applications. With its robust design, the DA-681A is suitable for industrial automation applications, such as power automation, transportation, and oil and gas.
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Connecting the Power The DA-681A offers both single power and dual power inputs. Use a phillips screwdriver to remove the terminal clamp screws. Connect the power cord to the screws, and then fasten the screws to the unit. Refer to the following figure for detailed information.
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SP Model Power Terminal Block Pin Assignment Terminal Description Note Number No function Line/DC+ Line/DC+ is connected to the positive (+) terminal if the power source is DC, or to the Line terminal if the power source is AC. No function Neutral/DC–...
Front Panel LEDs There are 46 LED indicators on the front panel. Information about each LED is given in the following table. Color Description Green Serial port is transmitting data Serial Port TX 1-12 Not operating Yellow Serial port is receiving data Serial Port RX 1-12 Not operating...
Terminal Block Pin Assignment Ethernet Ports The DA-681A has 6 10/100/1000 Mbps LAN ports with RJ45 connectors. The pin assignments for the ports are shown in the following table: Pin No. 10/100 Mbps 1000 Mbps TRD(0)+ TRD(0)- TRD(1)+ – TRD(2)+ –...
If you wish to set an interface for static IP addressing, then use the following configuration. Each interface must be configured with separate entries in the network/interfaces file; LAN1 corresponds to eth0, LAN 2 corresponds to eth1, and so forth for the remaining interfaces. # The loopback network interface auto lo iface lo inet loopback...
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