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DA-661/662/663-CE 

Quick Installation Guide 

 

Third Edition, April 2009 

 

1. Overview 

The DA-661/662/663-CE are RISC-based, ready-to-run embedded 
computers designed for industrial data acquisition applications. Each of 
the three models has 16 RS-232/422/485 serial ports. In addition, the 
DA-661 has two Ethernet ports, the DA-662 has 4 Ethernet ports, and 
the DA-663 has 2 fiber Ethernet channels, all based on the Intel XScale 
IXP425 communication processor. The casing is a standard 1U, 19-inch 
wide rack-mounted rugged enclosure. The robust, rack-mountable 
mechanism design provides the hardened protection needed for 
industrial environment applications, and makes it easy for users to 
install the DA-661/662/663 on a standard 19-inch rack. The 
DA-661/662/663 are ideal for applications that require a distributed 
embedded technology, such as SCADA systems, plant floor automation, 
and power electricity monitoring applications. 

2. Package Checklist 

Before installing the DA-661/662/663-CE, verify that the package 
contains the following items: 

y

 

1 DA-661-CE, DA-662-CE, or DA-663-CE 

y

 

19-inch Rackmount Kit 

y

 

DA-661/662/663-CE Quick Installation Guide (this guide) 

y

 

DA-661/662/663-CE Document & Software CD 

y

 

Cross-over Ethernet cable 

y

 

CBL-RJ45M9-150: 150 cm, 8-pin RJ45 to DB9 (M) serial port cable 

y

 

CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to DB9 (F) console port cable 

y

 

Power Cord 

y

 

Product Warranty Statement 

Notify your sales representative if any of the above items are missing 
or damaged. 

3. DA-661/662/663-CE Panel Layout 

The DA-661/662/663-CE have 16 RS-232/422/485 serial ports. 

Front View of DA-661/662/663-CE 

LCD Screen

19-inch
Rackmount Ear

Reset Button

Push Buttons

LED Indicators 

(Ready, LAN, Tx, Rx)

PCMCIA Socket

CF Socket

USB Host

USB

PCMCIA

CF

 

Rear View of DA-661-CE 

ON/OFF Switch

10/100 Mbps Ethernet x 2 

(RJ45)

RS-232 Console Port

Power Input

 (100-240 VAC/VDC)

RS-232/422/485 Serial Ports 

(RJ45, 50 bps to 921.6 Kbps)

 

Rear View of DA-662-CE 

ON/OFF Switch

10/100 Mbps Ethernet x 4 

(RJ45)

RS-232 Console Port

RS-232/422/485 Serial Ports 

(RJ45, 50 bps to 921.6 Kbps)

Power Input

 (100-240 VAC/VDC)

 

Rear View of DA-663-CE 

ON/OFF Switch

100BaseFX x 2 

(SC Connector)

RS-232 Console Port

RS-232/422/485 Serial Ports 

(RJ45, 50 bps to 921.6 Kbps)

Power Input

 (100-240 VAC/VDC)

 

LED Indicators 

The following LED indicators are located on the front panel of the 
DA-661/662/663-CE. 

LED Name 

LED Color LED Function 

Ready 

Green 

Power is on and functioning normally 

Orange 

10 Mbps Ethernet connection 

LAN1, LAN2, 
LAN3, LAN4 Green 

100 Mbps Ethernet connection 

Green 

Serial port is transmitting data 

P1-P16 (Tx)

Off 

Serial port is not transmitting data 

Orange 

Serial port is receiving data 

P1-P16 (Rx)

Off 

Serial port is not receiving data 

Green 
(steady on)

Fiber channel is connected 

FX1, FX2 

Green 
(flickering)

Fiber channel is transmitting data 

4. Installing Your DA-661/662/663 

Desktop Mounting 

Place the DA-661/662/663 on a clean, flat, well-ventilated desktop. For 
better ventilation, attach the 4 pads from the desktop kit to the bottom 
of the unit, and leave some space between the DA-661/662/663 and 
other equipment. Do not place equipment or objects on top of the unit, 
as this can cause damage to the product. 

Rack Mounting 

The DA-661/662/663 can be mounted on a standard 19-inch rack. Use 
the enclosed pair of L-shaped metal plates and screws to fasten the 
DA-661/662/663 to the rack cabinet. You can lock either the front panel 
or the rear panel of the DA-661/662/663 to the front side of the rack. 
Each L-shaped plate has 6 holes, leaving two outer or inner holes open 
for your convenience. 

5. Connecting Your   

Power Connector 

Connect the 100-240 VAC power line to the DA-661/662/663’s power 

connector. The Ready LED on the front panel will glow a steady green 
when the OS is ready. 

Ethernet Ports (DA-661/662) 

The 10/100 Mbps Ethernet ports (2 LAN ports for DA-661, 4 LAN 
ports for DA-662) use RJ45 connectors. 

Pin Signal 

1 ETx+ 
2 ETx- 
3 ERx+ 
6 ERx- 

 

1

8

 

Fiber Ports (DA-663) 

The DA-663 has 2 100BaseFX multi mode fiber 
channel ports. Use multi mode optical fiber cable 
(SC connector) to connect to these ports. 

TX

FX 1

FX 2

RX

TX

RX

 

Serial Ports 

There are 16 serial ports on the DA-661/662/663. The serial ports use 
RJ45 connectors. The ports can be configured independently for 
RS-232, RS-422, or RS-485 by software. 

Pin

RS-232 

RS-422 

RS-485 

1 DSR 

--- 

--- 

2 RTS  TXD+  --- 
3 GND GND GND 
4 TXD  TXD-  --- 
5 RXD  RXD+ Data+ 
6 DCD  RXD-  Data- 
7 CTS 

--- 

--- 

8 DTR 

--- 

--- 

 

1

8

 

Console Ports 

The console port is an RJ45 RS-232 port. It can be connected to a V90 
or GPRS modem via PPP. The pin definitions are the same as for the 
serial ports. 

Reset Button 

Press the “Reset” button on the front panel continuously for at least 5 
seconds to load the factory default configuration. After the factory 
default configuration has been loaded, the system will reboot 
automatically. The Ready LED will blink for the first 5 seconds, and 
then maintain a steady glow once the system has rebooted. 

LCD Screen 

The DA-661/662/663 have an LCD screen on the front panel. The LCD 
screen displays 16 columns and 2 rows of text. On boot-up, the LCD 
screen displays the model name and firmware version, as shown here: 

D

A

-

6

6

1

-

1

6

 

 

 

 

 

 

V

E

R

.

1

.

0

 

 

 

 

 

 

Push Buttons 

There are four push buttons on the DA-661/662/663’s front panel. The 
buttons are used to enter text onto the LCD screen. The buttons are 
MENU, 

 (up cursor),    (down cursor), and SEL: 

P/N: 1802006611012

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