Sollae systems Ezl-50l User manual

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EZL-50L User’s Manual

Version 1.1

Sollae Systems

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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.

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- Table of Contents -

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

1.1. OVERVIEW ......................................................................................................................- 6-

1.2. COMPONENTS..................................................................................................................- 7-

1.3. SPECIFICATIONS ..............................................................................................................- 7-

1.4. INTERFACE ......................................................................................................................- 7-

1.4.1. Power ............................................................................................................................ - 8 -

1.4.2. Ethernet Interface.......................................................................................................... - 9 -

1.4.3. I/O Interface.................................................................................................................. - 9 -

1.4.4. Ethernet Address (MAC address) ................................................................................ - 10 -

1.4.5. Hardware Flow control (RTS/CTS)............................................................................. - 10 -

1.5. THE EVALUATION BOARD SET ......................................................................................- 10 -

1.5.1. Components................................................................................................................. - 10 -

1.5.2. The Explanation of EVB.............................................................................................. - 11 -

2. INSTALLATION AND TEST RUN ............................................................................. - 12 -

2.1. INSTALLATION METHOD................................................................................................- 12 -

2.1.1. Checking the Communication Environment................................................................ - 12 -

2.1.2. Connecting to the Network.......................................................................................... - 12 -

2.1.3. Configuring the Environmental Variables ................................................................... - 13 -

2.2. TEST RUN......................................................................................................................- 13 -

2.2.1. Changing PC IP Address............................................................................................. - 13 -

2.2.2. Installation EZL-50L................................................................................................... - 13 -

2.2.3. Configuring EZL-50L.................................................................................................. - 13 -

2.2.4. Connecting to the PC Serial Port................................................................................ - 14 -

2.2.5. Communication Test .................................................................................................... - 14 -

3. CONFIGURING IP ADDRESS AND ENVIRONMENTAL VARIABLES .............. - 15 -

3.1. IPADDRESS AND ENVIRONMENTAL VARIABLES ............................................................- 15 -

3.2. CONFIGURATION BY EZCONFIG .....................................................................................- 19 -

3.2.1. ezConfig Menu ............................................................................................................ - 19 -

3.2.2. Example configuration of ezConfig (LOCAL)............................................................. - 21 -

3.2.3. Example configuration of ezConfig (REMOTE).......................................................... - 23 -

3.3. AT COMMAND...............................................................................................................- 24 -

3.4. SETTING IP ADDRESS-RELATED ITEMS BY DHCP.........................................................- 24 -

3.5. SETTING IP ADDRESS-RELATED ITEMS BY PPPOE ........................................................- 24 -

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4. OPERATION MODE.................................................................................................... - 25 -

4.1. OPERATION MODE OVERVIEW ......................................................................................- 25 -

4.1.1. Overview ..................................................................................................................... - 25 -

4.2. HOW TO INITIATE EACH OPERATION MODE..................................................................- 25 -

4.2.1. How to Initiate Normal Mode ..................................................................................... - 25 -

4.2.2. Entering ISP Mode...................................................................................................... - 25 -

4.2.3. Comparison of Operation Modes................................................................................ - 25 -

4.3. NORMAL COMMUNICATION MODE................................................................................- 25 -

4.4. ISP MODE .....................................................................................................................- 26 -

5. NORMAL COMMUNICATION MODE .................................................................... - 28 -

5.1. T2S(TCP TO SERIAL) ...................................................................................................- 28 -

5.2. ATC (AT COMMAND)....................................................................................................- 30 -

5.3. COD (CONNECT ON DEMAND) .....................................................................................- 32 -

5.4. U2S...............................................................................................................................- 34 -

6. ATC MODE ................................................................................................................... - 36 -

6.1. OVERVIEW ....................................................................................................................- 36 -

6.1.1. AT command format .................................................................................................... - 36 -

6.2. BASIC AT COMMAND SET (EXAMPLE:ATA , AT D ETC.) ................................................- 36 -

6.3. EXTENDED AT COMMANDS (EXAMPLE:AT + P L I P ETC.) ...............................................- 37 -

6.4. ONLINE STATE AND ONLINE COMMAND STATE .............................................................- 37 -

6.4.1. Changing Online State to Online Command State ...................................................... - 37 -

6.4.2. Changing Online Command State to Online State ...................................................... - 38 -

6.5. EXAMPLE OF CONFIGURATION WITH AT COMMAND......................................................- 38 -

6.6. EXAMPLE OF TCP CONNECTION ...................................................................................- 38 -

6.6.1. Example of Active Connection .................................................................................... - 38 -

6.6.2. Example of passive Connection................................................................................... - 39 -

6.7. EXAMPLE OF TCP DISCONNECTION ..............................................................................- 39 -

6.7.1. Example of active disconnection ................................................................................. - 39 -

6.7.2. Example of passive disconnection............................................................................... - 39 -

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

7.1. TECHNICAL SUPPORT ....................................................................................................- 40 -

7.2. WARRANTY ..................................................................................................................- 40 -

7.2.1. Refund ......................................................................................................................... - 40 -

7.2.2. Free Repair Services ................................................................................................... - 40 -

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7.2.3. Charged Repair Services............................................................................................. - 40 -

7.2.4. Notes on Operation ..................................................................................................... - 40 -

8. REVISION HISTORY .................................................................................................. - 42 -

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1. Overview

1.1. Overview

Along with the development of the Internet, the demand for data communication

functions has increased recently. Data communication over the Internet requires using

TCP/IP, the Internet communication protocol. That is to say, in order to connect a

system to the Internet, TCP/IP protocol must be implemented. It is possible to

implement TCP/IP by directly implementing the protocol, porting public TCP/IP, or

using Operating System (OS). However, all these methods impose burdens on the

developer in time, cost, and technology.

ezTCP series, a Serial ↔TCP/IP protocol converter product group of Sollae Systems,

enables you to use TCP/IP communication (the Internet communication) function simply

by “connecting the cable to a serial port”. ezTCP sends data from the serial port to the

Internet network after TCP/IP processing, and vice versa.

EZL-50L in ezTCP product group is a product that provides TCP/IP communication

through Ethernet. In other words, like other ezTCP products, EZL-50L sends data from

the serial port to the LAN after TCP/IP processing and vice versa.

It provides DHCP and PPPoE functions as well as TCP/UDP/IP, so that it can be applied

to the cable network and the xDSL network.

EZL-50 is a modular and embedded type that is embedded in user’s systems.

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1.2. Components

zEZL-50L Body

zRJ-45 with pulse-transformer (option)

zEZL-50 Evaluation set (option)

1.3. Specifications

Input Voltage 5V (±10%)

Power

Current 72mA typical

Dimension 50mm x 32mm x 11mm

Weight about10g

Serial 2mm pitch 1x12 connector

Interface

Network 2mm pitch 1x12 connector

Serial Port UART (1200bps ~ 115200bps)

Network 10Base-T

Protocols TCP, UDP, IP, ICMP, ARP, DHCP, PPPoE

T2S TCP Server Mode

COD TCP Client Mode

ATC TCP Server/Client Mode

(AT command emulation)

Communicat-

ion Mode

U2S UDP

ezConfig Configuration utility via LAN

ezterm Socket test utility

Utilities

hotflash Firmware download utility via TFTP

)You can download free utilities and firmware from http://www.eztcp.com

1.4. Interface

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PIN NAME Function I/O mandatory Recommended

connection option

VCC Power Input (DC 5V) ●

GND Ground ●

TP_IN+ 10Base-T Differential Input

+ IN ●

TP_IN- 10Base-T Differential Input - IN ●

TP_OUT- 10Base-T Differential Output

- OUT ●

TP_OUT+ 10Base-T Differential Output

+ OUT ●

RX_LED+ 10Base-T RX LED OUT ●●

TX_LED+ 10Base-T TX LED OUT ●●

LINK_LED- 10Base-T Link LED OUT ●●

STATUS EZL-50 Status OUT ●●

RST+ Reset(Active High) IN ●

Connect Notifier

(During TCP

Connection:Low)

OUT ●●

TXDE, for interface with

RS485

When Transmitting to the

UART: HIGH

OUT ●

ISP- In System

Programming(Active Low) IN ●●

TxD UART TxD OUT ●

RTS UART RTS OUT ●

RxD UART RxD IN ●

CTS UART CTS IN ●

)It is OK that [Recommended Connection] is not connected, but we strongly

recommend to connect those.

1.4.1. Power

DC 5V is used for EZL-50L

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1.4.2. Ethernet Interface

EZL-50L has a 10Base-T Ethernet interface. It is necessary additional circuit for an

Ethernet interface. For the information of the RJ-45 with pulse-transformer (P02-102-

17C9), visit our website (http://www.eztcp.com)

[EZL-50L Ethernet interface – TOP view]

1.4.3. I/O Interface

Name Description

Status IP is allocated but TCP connection is not established

Repetition of HIGH/LOW for 500ms

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IP is not allocated –

Repetition of

[after repetition 4 times for 150ms, HIGH during 850ms]

During TCP connection – LOW

ISP Mode – Repetition HIGH/LOW for 50ms

LINK_LED- When connected to LAN - LOW

RX_LED+ There are data on LAN - HIGH

TX_LED+ Packets are transmitted to LAN - HIGH

P0 During TCP connected– LOW

During TCP disconnected - HIGH

P1 During data transmitted to serial – HIGH

For interfacing RS485 chip(TXDE)

1.4.4. Ethernet Address (MAC address)

Ethernet devices have unique 6 bytes-hardware address. The hardware address of EZL-50L

is set in the factory. The hardware address cannot be modified.

The address is printed in top of PCB of EZL-50L.

1.4.5. Hardware Flow control (RTS/CTS)

If RTS/CTS is set, the EZL-50L operates as follows:

RTS Output There’s are available receiving buffer of EZL-50L – LOW

Their is no available receiving buffer of EZL-50L – HIGH

CTS Input

This signal is connected to counter side device’s RTS(output port)

LOW – EZL-50L sends data to serial port

HIGH – EZL-50L doesn’t send data and wait until CTS is LOW

1.5. The Evaluation Board Set

The evaluation Board (EVB) is for testing with PC when user develops with EZL-50L.

User can test with PC if EZL-50L is inserted in EVB, power on with 5V adapter, connect

RS232 cable to PC, and connect Ethernet cable to hub.

1.5.1. Components

zEvaluation Board

zRS-232 cable

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