Sollae Systems EZL-200 Manuel utilisateur
EZL-200 User's Manual
Revision B
Sollae Systems
Table of Contents
1. Overview ··················································································································· 1
1.1. Components ······································································································ 1
1.2. Specifications ···································································································· 1
1.3. EZL-200 Layout ································································································ 1
1.4. Installation ·········································································································· 2
1.5. Feature Overview ····························································································· 2
2. Getting Started with ezTCP ················································································· 3
2.1. ezTCP Configuration ······················································································· 3
2.1.1. ezConfig ······································································································· 3
2.1.2. Basic Function Setup ··············································································· 5
2.2. Communication Test ······················································································· 7
3. Advanced Function of ezTCP ··········································································· 10
3.1. Serial Port Interface ······················································································ 10
3.1.1. T2S (TCP to Serial) ··············································································· 10
3.1.2. ATC (AT Command) ·············································································· 10
3.1.3. COD (Connect On Demand) ······························································· 11
3.1.4. TCP Connection Time Out (TIME OUT) ·········································· 11
3.2. AT Command Interface ················································································ 13
3.2.1. Basic AT Command ··············································································· 13
3.2.2. Extended AT Command ········································································ 13
3.2.3. AT COMMAND Escape Sequence ····················································· 14
3.2.4. Examples of ATC Application ······························································ 15
3.3. Environment Setup ························································································ 17
3.3.1. Environment Setup in ATC mode ······················································ 17
3.3.2. IP Address Setup using ARP ····························································· 18
3.3.3. IP Address-related Item Setup through DHCP Server ····················· 19
3.3.4. IP Address-related Item under Environment with ADSL ·············· 19
3.3.5. Environment Setup using Telnet or Console ·································· 19
3.4. ezTCP Environment Setup Item ································································ 22
3.4.1. Network related Setup Item ································································· 22
3.4.2. Serial Port Setup Item ·········································································· 22
3.4.3. Serial Port Interface related Item ······················································· 23
3.4.4. Miscellaneous ··························································································· 23
3.4.5. ezTCP Operation according to Console Jumper ···························· 23
3.4.6. STATUS LED State Variation ····························································· 24
EZL-200 User's Manual
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1. Overview
1.1. Components
- EZL-200
- RS232 Cable
- DC 5V SMPS Power Adaptor
1.2. Specifications
- Processor: 16 bit
- Memory: ROM 128K / RAM 128K
- Interface: 10Base-T, 9 Pin D-Sub Male
- Protocols: TCP/UDP/IP/ICMP, Ethernet, ARP, PPPoE,
DHCP, TELNET server/client
- Power: DC 5V ± 10%
1.3. EZL-200 Layout
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1.4. Installation
- Make sure that RUN LED is blinking regularly after the power is
turned on. If LED is not turned on, make sure that the power
adaptor is connected firmly.
- After checking LED, connect RS232 cable and 10Base-T cable to
each port of the main body separately, and then EZL-200 is now
available.
1.5. Feature Overview
EZL-200 (hereafter ezTCP) is a serial port to TCP/IP converter, in
which one serial port and one Ethernet port (10Base-T) are installed.
The serial port should be connected to a serial port of the control unit
(hereafter DTE) and the Ethernet port should be connected to a
switching hub (or dummy) compatible with the 10Base-T standard. The
following figure outlined a serial to Ethernet conversion system
configured with ezTCP:
If a host computer (hereafter a host) is connected to the TCP port of
ezTCP over an Ethernet network, the serial port of the DTE is
connected virtually to the TCP port of the host. Then, ezTCP will
function as an intermediate device between the serial port and the
TCP port.
Controller
Terminal
Remote Dev
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2. Getting Started with ezTCP
2.1. ezTCP Configuration
This section describes how to configure and test T2S mode, which is
the most convenient mode among the serial port interfaces of ezTCP.
For more information about the other modes, see the following
sections.
2.1.1. ezConfig
The basic environment information of EZL-200 can be configured
through console, telnet, DHCP, ARP, and ezConfig. This section takes
an example of using ezConfig, which is an Integrated Management
Application for Windows. For the other configuration modes, see the
following sections. ezConfig can run on Microsoft Windows platform but
may not operate on some of the existing operating systems. The
screen below shows the initial screen of ezConfig:
EZL-200 User's Manual
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Each button on ezConfig functions as follows:
This button is used to search for all of the network-attached
ezTCPs. The search results will be displayed on the MAC ADDRESS
LIST box and you can select an item using a mouse or cursor as
required. The value displayed on the box indicates the MAC
ADDRESS of each ezTCP. The selected setup value of ezTCP will
be displayed on the right side.
You can see only the ezTCP configuration details if you
press this button after entering the 6-digit hexadecimal number
printed on the ezTCP main body in the MAC ADDRESS box. It is
useful when there are too many ezTCPs attached to the network to
search for one from the LIST box.
This button is used to save the changed value in ezTCP
after modifying the configuration. Make sure not to press this button
during operating ezTCP since ezTCP will automatically be reset right
after its environment setup value is saved. Otherwise, it may cause
malfunction.
This button is used to close ezConfig. You can also close it
by pressing ESC key on the keyboard.
ezTCP provides User Authentication function to prevent an
unwanted person from modifying the configuration. The authentication
process is performed through the password string verification. When
entering or changing the password strings, you can use this button.
Changing the ezTCP configuration details if a password has been
entered requires the proper password to be entered in the
PASSWORD field.
This button is used to read a dynamic variable value during
operating ezTCP. Pressing this button will display a new window,
where the time-lapse after the power is on, the current IP address,
and the data throughput of the serial port are indicated.
Double-clicking each item on the MAC ADDRESS LIST will carry out
the same function.
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ezConfig can be used to change the IP address related items, the
serial port setup value, the serial port operation mode, and how to
setup ezTCP. This section describes these functions briefly. For more
information, see the following sections. The items you should setup
when using T2S mode of ezTCP are listed as follows:
LOCAL IP ADDRESS ezTCP IP address
SUBNET MASK subnet mask
GATEWAY network gateway
BAUD RATE UART port baud rate
DATA BITS UART data bits
PARITY UART parity
FLOW CTRL hardware flow control
MUX TYPE ezTCP serial interface type
TIMEOUT connection time out
LOCAL PORT listening TCP port number
2.1.2. Basic Function Setup
The following example shows how to read and change ezTCP's
basic functions. Try changing ezTCP setup value according to the
following sequence:
- When the ezTCP power is turned on and the LAN cable is
connected correctly, pressing [PROBE] or [READ] button will display
the following window:
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- If a network-attached ezTCP is detected, the following message will
be displayed. If a message pops up indicating that there is no
response from ezTCP, check that the power is turned on and the
cable is connected correctly, then try pressing [PROBE] or [READ]
button.
- If more than one ezTCP is detected, ezTCP's MAC ADDRESS will
be displayed in the [MAC ADDRESS LIST] box on ezConfig. Check
if the MAC ADDRESS displayed in the [MAC ADDRESS LIST]
window corresponds to that printed on ezTCP main body. The
following screen shows this process:
- Select T2S (0) in the [MUX TYPE] field on ezConfig. Setup [LOCAL IP
ADDRESS], [LOCAL PORT], and the serial port settings according to a test
environment as required. When the setup is completed, pressing [WRITE]
will save the changed values in ezTCP. If an error message pops up
during storing the configuration, check that ezTCP is connected correctly,
and then try again.
EZL-200 User's Manual
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- In Windows' MS-DOS prompt window, check the IP address is set
correctly by giving the PING command. If the ezTCP IP address is
set correctly, the PING results will be displayed as follows. If a
message, "Request timed out", is displayed, check that IP address
setup value again.
C:\>ping a.b.c.d
Pinging a.b.c.d with 32 bytes of data:
Reply from a.b.c.d: bytes=32 time=1ms TTL=64
Reply from a.b.c.d: bytes=32 time=1ms TTL=64
Reply from a.b.c.d: bytes=32 time=1ms TTL=64
Reply from a.b.c.d: bytes=32 time=1ms TTL=64
2.2. Communication Test
You can conduct a simple test using Hyper Terminal or telnet
terminal for Windows if the IP-related items of ezTCP are set correctly
through ezConfig. A communication test will be conducted as follows:
- Connect the serial cable to the serial ports of both ezTCP and PC
respectively.
- Run Hyper Terminal, change the serial port baud rate, data bit, parity
bit and flow control, and then save the changed values. Each setup
value must correspond to those configured by ezConfig.
- In Windows' MS-DOS prompt window, run telnet terminal according
to the following process. Note that a.b.c.d is the ezTCP IP address
and xxxx is the value of ezTCP's [LOCAL PORT]:
C:\>telnet a.b.c.d xxxx
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