Sollae systems Ezl-80c User manual

EZL-80c User‟s Manual

Version 2.4

Sollae Systems Co., Ltd.

- 2 -

To all residents of the European Union

Important environmental information about this product

This symbol on this unit or the package indicates that disposal of this unit after its

lifecycle could harm the environment. Do not dispose of the unit as unsorted municipal

waste; it should be brought to a specialized company for recycling. It is your responsibility to

return this unit to your local recycling service. Respect your local environmental regulation. If in

doubt, contact your local waste disposal authorities.

- 3 -

TABLE OF CONTENTS

1. OVERVIEW..................................................................................................................... - 6 -

2. SPECIFICATIONS ......................................................................................................... - 7 -

2.1. CONTENTS ......................................................................................................................- 7-

2.2. SPECIFICATION................................................................................................................- 8-

3. HARDWARE INTERFACE........................................................................................... - 9 -

3.1. DIMENSION .....................................................................................................................- 9-

3.2. PINS ..............................................................................................................................- 10 -

3.2.1. JP5 ..............................................................................................................................- 10 -

3.2.2. JP1, JP2, JP3, JP4.......................................................................................................- 11 -

3.2.3. System LED..................................................................................................................- 11 -

3.2.4. wireless LAN Interface................................................................................................- 12 -

3.3. SERIAL INTERFACE........................................................................................................- 12 -

3.3.1. RTS/CTS Flow Control................................................................................................- 12 -

3.3.2. Flow Control Scenario................................................................................................- 13 -

3.3.3. If Flow Control Is Unused...........................................................................................- 14 -

4. WIRELESS LAN CONFIGURATION ....................................................................... - 15 -

4.1. THE TYPES OF WIRELESS LAN.....................................................................................- 15 -

4.1.1. Infrastructure ..............................................................................................................- 15 -

4.1.2. Ad-hoc......................................................................................................................... - 15 -

4.2. CONFIGURATION PARAMETERS FOR WIRELESS LAN.....................................................- 16 -

4.2.1. Service Set Identifier (SSID)........................................................................................- 16 -

4.2.2. Channel....................................................................................................................... - 16 -

4.2.3. Wired Equivalent Privacy (WEP)................................................................................- 17 -

4.3. HOW TO CONFIGURE WIRELESS LAN............................................................................- 17 -

4.3.1. CC TYPE.....................................................................................................................- 18 -

4.3.2. SSID ............................................................................................................................- 18 -

4.3.3. CREATE SSID.............................................................................................................- 18 -

4.3.4. CHANNEL................................................................................................................... - 18 -

4.3.5. WEP ............................................................................................................................ - 18 -

4.3.6. Authentication Mode................................................................................................... - 18 -

4.3.7. OTHER ITEMS............................................................................................................ - 18 -

4.4. EXAMPLES OF WIRELESS LAN CONFIGURATION ..........................................................- 18 -

4.4.1. An Example of Infrastructure Network........................................................................- 18 -

- 4 -

4.4.2. An Example of Ad-hoc Network ..................................................................................- 19 -

5. SETTING IPADDRESSES AND ENVIRONMENTALVARIABLES..................... - 20 -

5.1. EZCONFIG –SETTING BY WIRELESS LAN......................................................................- 20 -

5.1.1. The buttons of ezConfig...............................................................................................- 20 -

5.2. EZSERIALCONFIG –SET BY SERIAL PORT.......................................................................- 24 -

6. OPERATION MODE.................................................................................................... - 25 -

6.1. OPERATION MODE OVERVIEW ......................................................................................- 25 -

6.2. HOW TO ENTER EACH MODE........................................................................................- 25 -

6.3. SERIAL CONFIG MODE (FOR WIRELESS LAN CONFIGURATION).....................................- 25 -

6.4. ISP MODE (FOR FIRMWARE UPGRADE)..........................................................................- 25 -

6.5. NORMAL COMMUNICATION MODE................................................................................- 26 -

7. NORMAL COMMUNICATION MODES.................................................................. - 27 -

7.1. T2S (TCP TO SERIAL)...................................................................................................- 27 -

7.2. ATC (AT COMMAND)....................................................................................................- 29 -

7.3. COD(CONNECT ON DEMAND)......................................................................................- 31 -

7.4. U2S (UDP TO SERIAL)..................................................................................................- 33 -

8. ATC MODE ................................................................................................................... - 35 -

8.1. OVERVIEW ....................................................................................................................- 35 -

8.1.1. AT command format....................................................................................................- 35 -

8.2. BASIC AT COMMANDS ..................................................................................................- 35 -

8.3. EXTENDED AT COMMANDS ...........................................................................................- 36 -

8.4. ONLINE STATE AND ONLINE COMMAND STATE .............................................................- 36 -

8.4.1. How to switch to online command state from online state ..........................................- 37 -

8.4.2. How to switch to online command state......................................................................- 37 -

8.5. EXAMPLE OF CONFIGURATION BYAT COMMANDS........................................................- 37 -

8.6. EXAMPLE OF CONNECTION ...........................................................................................- 38 -

8.6.1. Example of Active Connection .................................................................................... - 38 -

8.6.2. Example of Passive Connection ..................................................................................- 38 -

8.7. EXAMPLE OF TERMINATION ..........................................................................................- 38 -

8.7.1. Example of Active Termination.................................................................................... - 38 -

8.7.2. Example of Passive Termination ................................................................................. - 39 -

9. TECHNICAL SUPPORT, WARRANTY, AND NOTES ON OPERATION............. - 40 -

9.1. TECHNICAL SUPPORT....................................................................................................- 40 -

- 5 -

9.1.1. Warranty .....................................................................................................................- 40 -

9.1.2. Refund .........................................................................................................................- 40 -

9.1.3. Free Repair Services...................................................................................................- 40 -

9.1.4. Charged Repair Services.............................................................................................- 40 -

9.1.5. Notes on Operation ..................................................................................................... - 41 -

10. ORDERING INFORMATION..................................................................................... - 42 -

11. REVISION HISTORY.................................................................................................. - 43 -

- 6 -

1. OVERVIEW

A recent trend indicates that demand for data communication through the Internet

continues to grow with the progress of the Internet.

For data communication over the Internet, the use of the internet communication

protocol, TCP/IP is required. In order to communicate with any device over the Internet,

you must use TCP/IP. To do so, you should implement TCP/IP directly, port open

TCP/IP or use such an operating system (OS). But these methods impose a heavy burden

in terms of time, money and technology.

The ezTCP series, serial-to-TCP/IP protocol converter product group of Sollae

Systems, provides TCP/IP (Internet) communication function “simply by connecting to a

serial port” and allows any device to communicate through the Internet. The series

performs the TCP/IP processing on data coming in from the serial port and sends them to

the Internet network, while it performs the TCP/IP processing on data from the Internet

network and transmits actual data to the serial port.

EZL-80c is a small-sized, modular product that provides TCP/IP communication

through IEEE802.11b (wireless LAN) among the ezTCP product group and has a CF

card socket and requires a 16-bit CF wireless LAN card.

EZL-80c performs the TCP/IP processing on data from the serial port and sends them

to the wireless LAN, while playing the same role on data from the wireless LAN toward

the serial port.

EZL-80c supports infrastructure networks through an access point (AP) and also

provides ad-hoc network function performing communication without an AP. Since

EZL-80c provides DHCP function as well as TCP/IP/UDP, it can be applied to a

dynamic-IP network.

- 7 -

2. SPECIFICATIONS

2.1. Contents

EZL-80c body

- 8 -

2.2. Specification

Power

Input Voltage

3.3V ±0.3V

Current

10mA typical(excluding CF card)

Size

60mm x 56mm x 10mm

Weight

about 10g

Interface

Serial Port

2.54mm pitch 16 pin header(male)

Network

CF card socket

Serial Port

TTL level(1200bps ~ 115200bps)

RTS/CTS hardware flow control, Xon/Xoff

Wireless

LAN

CF(external circuit required)

Protocols

TCP, UDP, IP, ICMP, ARP, DHCP, WEP

Comm.

Mode

T2S

TCP –server mode

COD

TCP –client mode

ATC

TCP –server/client mode

(AT command emulation)

U2S

UDP

Utilities

ezConfig

Configuration utility via wireless LAN

ezSerialConfig

Configuration utility via serial

hotflash

Utility for firmware download

ezterm

Utility for testing socket program

RoHS

RoHS Compliant

Download utilities and firmware from http://www.eztcp.com.

- 9 -

3. HARDWARE INTERFACE

3.1. Dimension

- 10 -

3.2. Pins

3.2.1. JP5

NAME

DESCRIPTION

I/O

M/Opt

VCC_33

Power(3.3V)

RXD0

Serial RXD

TXD0

Serial TXD

GND

Ground

RTS0

Serial Ready To Receive

Opt

CTS0

Serial Clear To Send

Opt

RESET

Reset Active Low

Opt

LINK_LED

LINK LED

(Low: When EZL-80c is connecting to wLAN

High: When EZL-80c is not connecting to wLAN)

Opt

STS_LED

STATUS LED

(Low: When TCP is connecting

Blink every 1 second: when TCP is not connecting

Blink 4 times every 1 second: IP is not allocated

when DHCP or PPPoE

Blink very fast: when wLAN card is not initialized

or when EZL-80c is in ezSerialConfig mode)

Opt

RXD_LED

Wireless LAN RXD LED

(Low(blink): When EZL-80c receives data from

wLAN)

Opt

TXD_LED

Wireless LAN TXD LED

(Low(blink): When EZL-80c sends data to wLAN)

Opt

TCP Connection notifier

(High: When TCP is not connecting

Low: When TCP is connecting)

I/O

Opt

RS485 TXDE interface

(High: when EZL-80c sends data to the serial port)

I/O

Opt

RXD1

For Factory Use

TXD1

For Factory Use

SCK

For Factory Use

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