Features
- RS232/422/485 serial interfaces
- Max 921.6Kbps serial speed
- Easy & Fast Integration
- Program & run your own application
- SDK & API in Development Kit
- Small size to fit in any hardware
- 32-bit ARM9 CPU / 4MB Flash / 8MB SDRAM
- Pin Header / DB9 / TTL interface
- 10/100Mbps Ethernet port
- COM port redirection (virtual COM port)
Program and Execute Your Own ustomized Application Directly on the Module!

Eddy-Serial series is an embedded device server module. This small module easily integrates on to your hardware design, supporting RS232, 422, and 485 interfaces at 921.6Kbps. Engineers can now add network interface to their hardware design in an easy, reliable, and faster manner. Also, user's application can be uploaded for maximized customization. Enjoy powerful features and benefits with high performance! Eddy is distinguished with other embedded device servers in that it can upload customized user applications and execute them. With such feature, a user can upload any socket / serial communication application that can run on standard Linux environment with no or little modification. This openness gives users a chance to apply a wide variety of operations on the device server, with considerably less limitations. To help programmers work on their own application to be run on the device server, Eddy supports SDK (Software Development Kit) and cross-compile environment. With SDK and ready-to-run example codes, programmers can easily build up their own applications under the standard Linux environment. Cross compiler running on Linux will help the application run on Eddy with ease.
Ever Seen a Better Hardware?
Tired of constraints on your embedded device server's 8-bit CPU and 256KB memory? Eddy completely solves this problem by adopting a 32-bit ARM9 CPU with 168MHz clock, 4MB Flash memory, and 8MB SDRAM. Your applications can be large in size and will run faster, in a more stable manner under the embedded Linux operating system. And all these high-end hardware is embedded on a half of a credit card-sized board!
Development Kit
Eddy Development Kit helps developers test and evaluate Eddy easily. Evaluation board itself is a guideline for integrated hardware design with Eddy module mounted. With LED displays on Power, Ready, communication interface, GPIO, and serial line status, engineers can easily recognize the operation status of the module. Compile environment including the cross-compiler, simple code, documentation, and tools are included to accelerate integration and customization process.
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LED |
Power, Ready, Programmable IO Interface: RS232, RS422, RS485 Serial: TxD, RxD, DCD, DTR, DSR, RTS, CTS |
|
Serial |
1 * DB9 Male (RS232) 5P Terminal Block (RS422/RS485) |
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USB |
Only for firmware upload |
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Reset |
Hardware Reset Button |
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DIP Switches |
Serial Interface / Terminal Resistor |
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Dimensions |
110 * 80 mm |
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Power Input |
5V DC |


Customized & Open Applications
You can add or remove applications on your Eddy module to make it serve perfectly and exclusively for your own applications. Pre-compiled and optimized open source packages are provided for download. You can simply add new features to Eddy by creating your own version of firmware. Moreover, you can even design specific protocols or applications to meet the requirements of the environment that you install Eddy to. With such an open architecture, operation and performance of Eddy can be fully adjusted and controlled by users, and new features can be easily implemented.

Eddy-S1/Pin
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Eddy-S1/Pin
- For standard applications
- Programmable
Serial Port : 1 (Pin Header)
Serial Interface : RS232/422/485
Ethernet Port : 1 (RJ-45)
Ethernet Interface : 10/100Mbps
GPIO : 4
Programmable : Yes
Power : 3.3V / 5V
Dimension : 55 * 38 mm |
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Eddy-S1/TTL
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Eddy-S1/TTL
- For customized hardware
- Low cost / 9 GPIO
Serial Port : 1 (TTL)
Serial Interface : TTL
Ethernet Port : 1 (TTL)
Ethernet Interface : 10/100Mbps
GPIO : 9
Programmable : Yes
Power : 3.3V / 5V
Dimension : 50 *35 mm |
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Eddy-S1/DB9
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Eddy-S1/DB9
- Off-the-shelf functionality
- DB9 / Reset Switch / LED
Serial Port : 1 (DB9)
Serial Interface : RS232/422/485
Ethernet Port : 1 (RJ-45)
Ethernet Interface : 10/100Mbps
GPIO : 0
Programmable : Yes
Power : 5V DC
Dimension : 62 * 45 mm |
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Eddy-S2/Pin
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Eddy-S2/Pin
- Powerful serial features
- 2 serial ports
Serial Port : 2 (Pin Header)
Serial Interface : RS232/422/485
Ethernet Port : 1 (RJ-45)
Ethernet Interface : 10/100Mbps
GPIO : 4
Programmable : Yes
Power : 3.3V / 5V
Dimension : 62 * 45 mm |
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Specifications
Network
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Protocols |
TCP, UDP, Telnet, SSH, SSL/TLS, DDNS, ICMP, DHCP, TFTP, HTTP, SNMP 1 & 2 |
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LAN Port |
10/100Mbps RJ-45 Port * 1 (Eddy-S1/Pin, S1/DB9, S2/Pin) 10/100Mbps TTL * 1 (Eddy-S1/TTL) |
|
Connection Type |
Static IP, DHCP |
Serial
|
Port |
1 (Eddy-S1/Pin, S1/TTL, S1/DB9) 2 (Eddy-S2/Pin) |
|
Interface |
Selectable RS232/RS422/RS485 |
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Speed |
Max 921.6 Kbps |
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Signals |
TX, RX, DTR, DSR, CTS, RTS, DCD |
|
Protection |
15KV Surge Protection for all signals |
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UART |
16C550 with 16 byte FIFO (Eddy-S1/Pin, S1/TTL, S1/DB9) 16C1054 with 256 byte FIFO (Eddy-S2/Pin only) |
|
Data Bits |
5, 6, 7, 8 |
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Stop Bits |
1, 2 |
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Parity |
None, Even, Odd |
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Flow Control |
RTS/CTS, Xon/Xoff |
Software
|
O/S |
Embedded Linux (Kernel 2.4.x) |
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Mgmt. Tools |
SNMP, Portview, Web |
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Configuration |
Telnet, Web, Portview |
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Security |
Telnet, Web ID/Password SSH, SSL/TLS |
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Application Upload |
TFTP, FTP, Web |
|
Web Service |
Embedded Web Server |
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COM Port Redirection |
SystemBase COM Port Redirector for Windows 98/ME/2K/XP/2003 |
Approvals
CE Class A, FCC Class A, RoHS compliant
Hardware
|
Processor |
32-bit ARM9 Processor with 168MHz |
|
Flash Memory |
4 MB |
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SDRAM |
8 MB |
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GPIO (Programmable IO) |
4 (Eddy-S1/Pin, S2/Pin) 9 (Eddy-S1/TTL) 0 (Eddy-S1/DB9) |
|
LED |
100Base-Tx Link, LAN Tx (Eddy-S1/Pin, S2/Pin) Power, Ready, Serial Tx, Rx (Eddy-S1/DB9) None (Eddy-S1/TTL) |
|
Power Input |
3.3V model or 5V model available (Eddy-S1/Pin, S1/TTL, S2/Pin) 5V DC only (Eddy-S1/DB9) |
|
Power Consumption |
260mA / 1.5W |
|
Dimensions |
55* 38mm (Eddy-S1/Pin) 50 * 35mm (Eddy-S1/TTL) 62 * 45mm (Eddy-S1/DB9, S2/Pin) |
|
Weight |
19g (Eddy-S1/Pin) 10g (Eddy-S1/TTL) 32.3g (Eddy-S1/DB9) 21.9g (Eddy-S2/Pin) |
Environmental
|
Operating Temp. |
0 ~ 50˚C |
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Storage Temp. |
-20 ~ 80˚C |
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Humidity |
5 ~ 95% Non-Condensing |
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