Overview The DA-820C computer’s main operating system is based on the Intel® Core™ i3, i5, i7 or Xeon CPU. The computer comes with 3 display ports (2 x HDMI + 1 x VGA), 5 USB ports, 4 Gigabit LAN ports, 2 3-in-1 RS-232/422/485 serial ports, 6 digital input ports and 2 digital output ports.
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Rear View Connecting the Power The DA-820C provides dual power inputs using a terminal block, which is located on the rear panel. Connect the power cord wires to the screws, and then tighten the screws. The Power LED will light up to indicate that power is being supplied to the DA-820C, after which the BIOS will initialize the flash disk module, causing the Storage LED to blink.
Color Description Gigabit LAN LEDs 1 Green 100 Mbps Ethernet mode to 4 Orange 1000 Mbps (Gigabit) Ethernet mode Serial Port P1/P2 Green Tx: Serial data is being transmitted Yellow Rx: Serial data is being received Programmable LEDs Green/ Can be used to indicate statuses or 1 to 8 Blinking for debugging, as defined by users.
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100 Mbps 1000 Mbps TRD(0)+ TRD(0)- TRD(1)+ – TRD(2)+ – TRD(2)- TRD(1)- – TRD(3)+ – TRD(3)- Digital Inputs/Digital Outputs The DA-820C comes with six digital inputs and two digital outputs in a terminal block. Refer to the following figures for the pin definitions and wiring methods.
There are four slots for installing four SSD disks. The installation sequence of the disks is indicated in the diagram on the right. Installing Expansion Modules The DA-820C comes with an expansion module socket on the rear panel. You can install Moxa’s LAN or serial connectivity expansion module using this socket.
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