Moxa Technologies DA-820C Series User manual

P/N: 1802008201010

*1802008201010*

DA-820C Series

Quick Installation Guide

x86 Rackmount Embedded Computers

Version 1.0, June 2019

Technical Support Contact Information

www.moxa.com/support

Moxa Americas:

Toll

-free: 1-888-669-2872

Tel:

1-714-528-6777

Fax:

1-714-528-6778

Moxa China (Shanghai office):

Toll

-free: 800-820-5036

Tel:

+86-21-5258-9955

Fax:

+86-21-5258-5505

Moxa Europe:

Tel:

+49-89-3 70 03 99-0

Fax:

+49-89-3 70 03 99-99

Moxa Asia-Pacific:

Tel:

+886-2-8919-1230

Fax:

+886-2-8919-1231

Moxa India:

Tel:

+91-80-4172-9088

Fax:

+91-80-4132-1045



- 2 -

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. The DA-820C is equipped with 4 hot-swappable 2.5” HDD/SSD

slots and supports Intel® RST RAID 0/1/5/10 functionality. In addition,

the DA-820C comes with 5 standard PCI/PCIe slots, allowing users to

install various peripheral interface expansions modules.

With IEC-61850-3 and IEEE 1613 compliance, the DA-820C is sure to

deliver stable and reliable system operation for power applications. The

DA-820C also complies with the IEC 60255 standards, which cover the

protection of electrical relays in a smart substation. IEC 60255 is one of

the most widely used standards for testing relays and protection

equipment, and compliance with the standard ensures that the DA-820C

will work reliably and seamlessly with IEDs as part of a robust substation

automation system.

Package Checklist

Each basic system model is shipped with the following standard items:

•DA-820C rackmount computer

•Rackmount kit

•Quick Installation Guide

•Documentation and software CD

•Warranty card

Hardware Installation

Front View

- 3 -

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. It

should take about 30 to 60 seconds for the operating system to complete

the boot up process.

In addition, a Power button on the rear panel allows users to power on the

computer when it is in the sleep or hibernate mode.

For detailed power connection and surge protection information, refer to

the DA-820C Hardware User’s Manual.

Front-panel LEDs

There are 40 LED indicators on the front panel. The LEDs are described in

the following table:

LED

Color

Description

Power

Green

Power is on

Off

No power input

Storage

Yellow/

Blinking

Data is being written to or read

from the storage unit

Off

Storage unit is idle

Off

The 1

power supply is on

Red

Error in the 1

power supply

Off

The 2nd power supply is on

Red

Error in the 2nd power supply

- 4 -

LED

Color

Description

Gigabit LAN LEDs 1

to 4

Green

100 Mbps Ethernet mode

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

1 to 8

Green/

Blinking

Can be used to indicate statuses or

for debugging, as defined by users.

Module LEDs 1 to 8

Green/

Orange/

Blinking

Reserved for LAN-port and

serial-port expansion cards.

Connecting to Displays

The DA-820C comes with 1 VGA interface that uses D-Sub 15-pin female

connectors. In addition, 2 HDMI interfaces are provided on the rear panel.

NOTE

For highly reliable video streaming, use premium certified HDMI

cables.

Connecting to a Keyboard and Mouse

Connectors for the keyboard and a mouse are located on the rear panel of

the computer. Both connectors are PS/2 interfaces; you can directly

connect a keyboard and a mouse using these connectors.

USB Ports

The DA-820C comes with 2 USB 2.0 ports on the front panel and 3 USB

3.0 ports on the rear panel. The USB ports can be used to connect

peripherals, such as flash drives, for expanding the system’s storage

capacity.

Serial Ports

The DA-820C comes with 2 software-selectable RS-232/422/485 serial

ports on the rear panel. The ports use DB9 male connectors. Refer to the

following table for the pin assignments:

RS-232

RS-422

RS-485

(4-wire)

RS-485

(2-wire)

DCD

TxDA(-)

–

RxD

TxDB(+)

–

TxD

RxDB(+)

DataB(+)

DTR

RxDA(-)

DataA(-)

GND

DSR

–

RTS

–

CTS

–

Ethernet Ports

The DA-820C has 4 100/1000 Mbps RJ45 Ethernet ports on the rear panel.

Refer to the following table for pin assignments:

- 5 -

100 Mbps

1000 Mbps

Tx+

TRD(0)+

Tx-

TRD(0)-

Rx+

TRD(1)+

–

TRD(2)+

–

TRD(2)-

Rx-

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.

Relay Output

The DA-820C provides a relay

output located on the rear panel of

the computer. Refer to the figure

on the right for detailed pin

definition of the relay output

connectors.

Installing Storage Disks

The DA-820C comes with four storage sockets, allowing users to install

four disks for data storage. Unfasten the screw on the left side of the

cover on the storage disk tray and pull down the cover. Pull out the tray to

install the disks. Refer to the DA-820C Hardware User’s Manual for

details.

- 6 -

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. The DA-820C also comes with five slots to install Moxa’s

LAN-port modules with PRP/HSR functions or fiber-port modules. Refer to

the following table for the interface details of each slot.

Slot 1

Slot 2

Slot 3

Slot 4

Slot 5

PCIe x16

PCIe x4

PCIe x1

PCI

For additional details, refer to the DA-820C Hardware User’s Manual.

WARNING

Power off the computer b

efore installing the expansion module

to avoid damage to the computer.

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