Sollae Systems Co., Ltd.
http://www.ezTCP.com
Industrial RS232↔Ethernet Converter
CSE-H53 User’s Manual
Version 1.7
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This symbol, found on your product or on its packaging, indicates that this
product should not be treated as household waste when you wish to dispose
of it. Instead, it should be handed over to an applicable collection point for the
recycling of electrical and electronic equipment. By ensuring this product is
disposed of correctly, you will help prevent potential negative consequences to the
environment and human health, which could otherwise be caused by inappropriate disposal
of this product. The recycling of materials will help to conserve natural resources. For more
detailed information about the recycling of this product, please contact your local city
office, household waste disposal service or the retail store where you purchased this
product.
※ This equipment obtained certification by using 1.5M serial cable.
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Contents
1 Overview .................................................................................................................................. - 5 -
1.1 Overview ................................................................................................................................................................ - 5 -
1.2 Main Features ...................................................................................................................................................... - 5 -
1.3 Application Examples ....................................................................................................................................... - 6 -
1.4 Components ......................................................................................................................................................... - 7 -
1.5 Specification ......................................................................................................................................................... - 8 -
1.5.1 Hardware ...................................................................................................................................................... - 8 -
1.5.2 Software ........................................................................................................................................................ - 8 -
1.6 Interfaces ............................................................................................................................................................... - 9 -
1.6.1 Serial Interface ........................................................................................................................................... - 9 -
1.6.2 Ethernet Interface .................................................................................................................................. - 10 -
1.6.3 Power ........................................................................................................................................................... - 10 -
1.7 System LED ........................................................................................................................................................ - 11 -
1.7.1 ISP Switch .................................................................................................................................................. - 11 -
2 Installation and Test ............................................................................................................ - 12 -
2.1 Installation .......................................................................................................................................................... - 12 -
2.1.1 Setting Network Aera .......................................................................................................................... - 12 -
2.2 Simple Test ......................................................................................................................................................... - 14 -
3 Configuration ....................................................................................................................... - 17 -
3.1 Configuration with ezManager ................................................................................................................. - 17 -
3.1.1 Configuration via LAN ......................................................................................................................... - 17 -
3.1.2 Configuration via Serial ...................................................................................................................... - 18 -
3.2 AT command ..................................................................................................................................................... - 19 -
4 Operation Modes ................................................................................................................ - 20 -
4.1 What is the Operation Mode? .................................................................................................................. - 20 -
4.2 How to entering each mode ..................................................................................................................... - 20 -
4.3 Comparison of each mode ......................................................................................................................... - 21 -
4.4 Normal Mode ................................................................................................................................................... - 21 -
4.5 Serial Configuration Mode ......................................................................................................................... - 22 -
4.6 ISP Mode ............................................................................................................................................................ - 22 -
4.6.1 Upgrading Firmware............................................................................................................................. - 22 -
4.6.2 Revoking Serurity Options................................................................................................................. - 22 -
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5 Communication Modes ...................................................................................................... - 23 -
5.1 TCP Server .......................................................................................................................................................... - 23 -
5.1.1 Key parameters ....................................................................................................................................... - 23 -
5.1.2 Examples .................................................................................................................................................... - 24 -
5.2 TCP Client ........................................................................................................................................................... - 27 -
5.2.1 Key parameters ....................................................................................................................................... - 27 -
5.2.2 Examples .................................................................................................................................................... - 28 -
5.3 AT Command .................................................................................................................................................... - 31 -
5.3.1 Key parameters ....................................................................................................................................... - 31 -
5.3.2 Examples .................................................................................................................................................... - 32 -
5.4 UDP ....................................................................................................................................................................... - 35 -
5.4.1 Key parameters ....................................................................................................................................... - 35 -
5.4.2 Examples .................................................................................................................................................... - 36 -
6 System Management .......................................................................................................... - 38 -
6.1 Upgrading Firmware ...................................................................................................................................... - 38 -
6.1.1 Firmware .................................................................................................................................................... - 38 -
6.1.2 Processes ................................................................................................................................................... - 38 -
6.2 Status Monitoring ........................................................................................................................................... - 40 -
6.2.1 Using TELNET .......................................................................................................................................... - 40 -
6.2.2 Using ezManager ................................................................................................................................... - 42 -
6.2.3 Debugging Message ............................................................................................................................ - 44 -
7 Additional Functions ........................................................................................................... - 47 -
7.1 Security ................................................................................................................................................................ - 47 -
7.1.1 Restriction of Access (ezTCP Firewall) .......................................................................................... - 47 -
7.1.2 Setting Password .................................................................................................................................... - 47 -
7.2 Notify IP Change ............................................................................................................................................. - 48 -
7.3 Sending MAC Address.................................................................................................................................. - 49 -
7.1 TELNET COM port Control Option (RFC 2217) ................................................................................. - 49 -
8 Self Test in Trouble ............................................................................................................. - 50 -
8.1 Searching problem with ezManager ...................................................................................................... - 50 -
8.2 Connection Problem over TCP/IP ............................................................................................................ - 51 -
8.3 Data Communication Problem on the Serial ..................................................................................... - 52 -
9 Related Material .................................................................................................................. - 53 -
9.1 Technical Documents .................................................................................................................................... - 53 -
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9.2 Smart phone Application ............................................................................................................................ - 53 -
10 Technical Support and Warranty ...................................................................................... - 54 -
10.1 Technical Support ........................................................................................................................................... - 54 -
10.2 Warranty .............................................................................................................................................................. - 54 -
10.2.1 Refund ......................................................................................................................................................... - 54 -
10.2.2 Free Repair Services ............................................................................................................................. - 54 -
10.2.3 Charged Repair Services..................................................................................................................... - 54 -
11 Precaution and Exemption from Liability ....................................................................... - 55 -
11.1 Precaution........................................................................................................................................................... - 55 -
11.2 Exemption from Liability .............................................................................................................................. - 56 -
11.2.1 English version ........................................................................................................................................ - 56 -
11.2.2 French version ......................................................................................................................................... - 57 -
12 History ................................................................................................................................... - 59 -
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1 Overview
1.1 Overview
Almost all communication devices including PC are using serial transmission. In this type,
devices send and receive data in the order of each byte. The serial communication is quite
simple to implement but has weaknesses like short distance and hard maintenance.
CSE-H53 lets the serial devices connect to the Internet. To communicate on the Internet,
devices should use TCP/IP protocol, so CSE-H53 processes the converting serial data to
TCP/IP.
1.2 Main Features
RS232 (D-sub 9pin Male, speed up to 230.4Kbps)
Industrial temperature range (-40℃ ~ +85℃)
Variety of monitoring status (debugging mode, ezManager, TELNET)
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1.3 Application Examples
1:1 Connection with a PC
Fig 1-1 1:1 connection with a PC
Applied to LANs
Fig 1-2 applied to LANs
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Applied to the Internet on Cable Networks
Fig 1-3 applied to the Internet on cable networks
Applied to the Internet with an IP Share Router
Fig 1-4 applied to the Internet with an IP share router
1.4 Components
CSE-H53’s Body
RS232 Cross Cable (Option)
DC 5V Power Adapter (Option)
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1.5 Specification
1.5.1 Hardware
Power
Input Voltage
DC 5V (±10%)
Current
120mA typical
Dimension
87mm x 57mm x 24mm
Weight
About 65g
Serial Port
Serial
RS232 – RTS/CTS and Xon/Xoff Flow Control
(Baud Rate: 300bps ~ 230,400bps)
Network
10 Base-T or 100 Base-TX Ethernet Auto-Sensing
Auto MDI or MDIX cable Auto-Sensing
Temperature
Storage / Operating Temperature: -40 ~ 85℃
Certification
CE: F690501/SP-EMY000240 / MIC: SLS-CSE-H53 (A)
RoHS
RoHS Compliant
Table 1-1. Hardware specification
1.5.2 Software
Protocol
TCP, UDP, IP, ICMP, ARP, DHCP, PPPoE, Telnet, DNS Lookup, DDNS,
TELNET COM port Control Option (RFC 2217)
Diagnose
Online Debugging Function
Operation
mode
Normal
For Normal Data Communication
ISP
For Upgrading F/W
Serial Configuration
For Configuration via Serial
Communicat
ion mode
TCP Server
TCP Passive Connection
TCP Client
TCP Active Connection
AT Command
TCP Passive / Active Connection
UDP
UDP – No Connection
Major
Utilities
ezManager
Configuration Utility for MS Windows
(Supports Downloading F/W)
ezVSP
Serial to TCP/IP Virtual driver for MS Windows
Table 1-2. Software specification
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1.6 Interfaces
1.6.1 Serial Interface
CSE-H53 has an RS232 port for user serial device (300bps ~ 230,400bps). CSE-H53
converts serial data from user device to TCP/IP and transmits to Ethernet port.
Fig 1-5 9 pins D-sub Male connector
Pin Assignment
Number
Name
Description
Level
I/O
Etc.
1
DCD
Data Carrier Detect
RS232
IN
N/C
2
RXD
Receive Data
RS232
IN
required
3
TXD
Transmit Data
RS232
OUT
required
4
DTR
Data Terminal Ready
RS232
OUT
optional
5
GND
Ground
Ground
-
required
6
DSR
Data Set Ready
RS232
IN
optional
7
RTS
Request To Send
RS232
OUT
optional
8
CTS
Clear To Send
RS232
IN
optional
9
RI
Ring Indicator
RS232
IN
N/C
Table 1-3 pin assignment of the RS232 port
N/C: Not Connected
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1.6.2 Ethernet Interface
Since part of CSE-H53 network is composed of Ethernet, UTP cable may be connected. It
will automatically sense 10Mbits or 100Mbits Ethernet and connect itself. It also provides
auto MDI/MDIX function that can automatically sense 1:1 cable or cross over cable.
Each Ethernet device has its own unique hardware address. The hardware address of CSE-
H53 is set in the factory before being shipped to the market. (The hardware address is also
known as the MAC address)
Fig 1-6 RJ45 the Ethernet interface
1.6.3 Power
DC5V is used for the power. The specifications of the power jack are as the following:
Fig 1-7 power
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1.7 System LED
CSE-H53 has several lamps to show the current system status.
Each lamp shows the following status:
Mode
Name
Color
Status
Description
Common
PWR
Red
On
Supplying the power
LINK
Green
On
Connecting with Ethernet
RXD
Yellow
Blinks
Receiving data from the Ethernet
TXD
Green
Blinks
Sending data to the Ethernet
Normal
mode
STS
Yellow
Blinks in every
second
Obtaining an IP address
Blinks 4 times
at once
Without obtaining an IP address
under DHCP or PPPoE network
ISP mode
STS
Yellow
Off
Entering ISP mode
Serial
Configuration
mode
STS
LINK
/RXD
/TXD
-
Blinks
simultaneously
Entering Serial Configuration mode
Table 1-4 status of the system LED
1.7.1 ISP Switch
There is a switch, which is named ISP switch (or button) located on the side of the
product. You can change the operation mode of CSE-H53 to ISP or Serial Configuration
mode with this switch.
Fig 1-8 ISP switch
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2 Installation and Test
2.1 Installation
Before testing CSE-H53, users should connect both serial and Ethernet port to a PC. It
will be no problem that the Ethernet connection includes network hubs.
Fig 2-1 connection between CSE-H53 and a PC
Procedures for the test are followed.
2.1.1 Setting Network Aera
This step is for setting both CSE-H53 and users’ PC to be located the same network. If
only they are, the TCP connection between them can be established.
Setting of the PC
Add or change the IP address of the network adapter on your PC like following.
Get into the menu of [Windows Control Panel] >> [Network Connections] >>
[Properties of the Network Adapter – with right click of your mouse]. Then, you can
show the properties of [Internet Protocol (TCP/IP). In there, press the [Advanced..]
button for adding an IP Address like the below figure.
Fig 2-2 adding / changing the IP address of users’ PC
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Setting of CSE-H53
CSE-H53 uses ezManager as it’s a configuration program. ezManager is for MS
Windows, and this is comfortable to use because it doesn’t need installation. First,
search your CSE-H53 via network. All the values of parameters are set the default
values in the factory. To apply it to your system, proper values should be set via
ezManager. Major parameters’ default values are listed on below table. To implement
this simple test, keep these values without any changes.
Name
Default Values
Network
Local IP Address
10.1.0.1
Subnet Mask
255.0.0.0
Option
TELNET
Checked
IP Address Search
Checked
Serial Port
(COM1)
Serial Type
RS232
Baud Rate
19,200bps
Parity
NONE
Data Bits
8
Stop Bit
1
Flow Control
NONE
Communication mode
TCP Server
Local Port
1470
Table 2-1 default values of Major parameters
Users can download the latest version of ezManager on the [Download] >> [Technical
Documents] menu of our website.
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2.2 Simple Test
If you press the [Simple Test] button, test program will be shown on your screen.
Connecting to the CSE-H53 via LAN
Fig 2-3 settings for TCP connection
① Select [TCP Client]
② Input correct IP address and port number of CSE-H53
③ Clink the [Connect] button. (In case of TCP Server, it will be [Listen] button)
Opening RS232 Port
Fig 2-4 opening COM Port
④ Select COM port which the CSE-H53 is connected to
⑤ Make sure that all the parameters are the same with CSE-H53
⑥ Press the [Open] button
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Confirm the TCP Connection and COM port status
Fig 2-5 TCP Connected message
⑦ Check the message if the TCP connection is established
Fig 2-6 COM Port open message
⑧ Check the message if the COM port has been opened
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Data transmission test
Fig 2-7 successful data transmission
⑨ Click the [Send data] on the LAN part
⑩ Check the data have been shown from the step ⑨
Fig 2-8 LAN → RS232
⑪ Press the [Send data] on the RS232 part
⑫ Check the data have been received from the step ⑪
Fig 2-9 RS232 → LAN
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3 Configuration
3.1 Configuration with ezManager
Fig 3-1 initial appearance of ezManager
3.1.1 Configuration via LAN
Checklists
Make sure the connection between your PC and CSE-H53. If they are the same
network, [MAC Address search] button can be used. If they aren’t, only [IP Address
search] is allowed to use.
Procedures
Fig 3-2 procedures for configuration via LAN
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3.1.2 Configuration via Serial
Checklists
Make sure the connection between your PC and CSE-H53 using RS232 cross cable. To
use this, CSE-H53 has to be operating in the [Serial Configuration] mode. By pressing
the ISP button less than 1 second, you can enter the mode. After this, read the
setting via [Serial] tab on ezManager.
Procedures
Fig 3-3 procedures for configuration via Serial
Step 2, Reading
Fig 3-4 reading procedure via serial
② Choose the [Serial] tab
② Select the COM port which the CSE-H53 is connected with
③ Open the COM port with the [Open] button
③ Load the setting with [Read] button
If you want to know more specific manners of setting, please refer to the document
“ezManager Users’ Manual” on the [Download] >> [Technical Document] of our
website.
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3.2 AT command
In the AT command mode, you can change some parameters through the serial port.
Checklists
Make sure the connection between your PC and CSE-H53 using RS232 cross cable. To
use this, CSE-H53 has to be set to [AT command] mode as its communication mode.
This can be configured by ezManager.
Fig 3-5 setting the communication mode to the AT command
Procedures
Fig 3-6 procedures for configuration with AT command
Division
Available parameters
IP Address related items
Local IP Address, DHCP, PPPoE, Subnet Mask, Gateway IP
Address, DNS IP Address, ···
TCP connection related items
Local Port, Peer Address (IP Address or Host name), Peer
Port, ···
Option
ESC code sending option, timeout, ···
Table 3-1 parameters which are available to change with AT command
Including above items, rest of parameters can be set by ezManager
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4 Operation Modes
4.1 What is the Operation Mode?
Each of three operation mode of CSE-H53 is defined for specific purpose, and those are
followed.
Normal mode
This mode is for normal data communication and has 4 different connection modes.
Configuring parameters is also available in this mode.
Serial configuration mode
This mode is for configuring environmental parameters through the RS-232 port.
ISP mode
This mode is for upgrading firmware. In addition, you can set environmental
parameters even though the security options like password are activated by entering
this mode.
4.2 How to entering each mode
Fig 4-1 How to entering each mode
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4.3 Comparison of each mode
Table 4-1 shows summaries of each mode
Name
Entering
Serial port
Normal
Supply the power.
Configured
value
Serial
Configuration
Press the ISP button shortly between 10ms and 1s.
115200/N/8/1
ISP
Supply the power with pressing the ISP button or
press the ISP button over 1 sec, in other modes.
115200/N/8/1
Table 4-1 Comparison of each mode
4.4 Normal Mode
In normal mode, there are four connection types to communication with a remote host.
TCP Server
TCP Client
AT Command
UDP
Name
Protocol
Connection
Modifying
software of
serial devices
Serial
configuration
Topology
TCP Server
TCP
Passive
-
Unavailable
1:1
TCP Client
Active
-
Unavailable
1:1
AT Command
Either
Required
Available
1:1
UDP
UDP - -
Unavailable
N:M
Table 4-2 Comparison of four communication modes
TCP is a type of protocol, which has a process of connection. The connection has to be
one to one. The part who tries to make the connection is called TCP Client, and the other
part is TCP Server. On the other hand, UDP has no connection process. Because of this,
each of them can be send and receive data from multiple hosts.
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4.5 Serial Configuration Mode
This is a mode for setting environmental parameters through RS232 port. If you can’t use
the Ethernet, this mode is only way to configure the values. Once entering this mode, use
the [Read] button on the [Serial] tab of ezManager.
4.6 ISP Mode
You can enter this mode by pressing the ISP button over 1 second. There are two special
purposes in this mode.
4.6.1 Upgrading Firmware
ISP mode is for upgrading firmware which is offered by us. The upgrade is implemented
on Ethernet.
The details are followed in the “6.1 Upgrading Firmware”.
4.6.2 Revoking Serurity Options
CSE-H53 offers restriction methods for security like filtering password or MAC and IP
address. In the ISP mode, you can revoke all of these. When you forgot the password, enter
the ISP mode to solve the problem.
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5 Communication Modes
5.1 TCP Server
In this mode, CSE-H53 functions as a TCP server. CSE-H53 listens to a TCP connection
from remote host. Once a host tries to connect to CSE-H53, it responses that request. After
the connection is established, CSE-H53 converts the raw data from the serial port to TCP/IP
data and sends them to the network and vice versa.
5.1.1 Key parameters
Local Port
This is a server’s port number which is used in the TCP connection.
Event Byte
With setting event bytes, users can handle the serial data before a TCP connection is
established.
Value
Description
0
CSE-H53 doesn’t send the data
Otherwise
(512 or under)
CSE-H53 sends the data right after a connection is established.
512 or under bytes are strongly recommended.
Table 5-1 Event Byte
Timeout
If there is no transmission of data for amount of time which is set to this parameter,
CSE-H53 tries to terminate established TCP connection.
Notify IP Change
This function is for notifying information about changed IP address to a server. Not
only the TCP/UDP protocol but Dynamic Domain Name Service (DDNS) can be used.
Restriction of Access
Users can block TCP connections from unauthorized hosts by using this option. Both
IP and MAC address are available.
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5.1.2 Examples
A situation that [Event Byte] is set to 0.
Fig 5-1 time chart for a situation that [Event Byte] is set to zero
Points
States
~
CSE-H53 is listening to connection requests
①
Remote host has sent a connection request (SYN) segment
~
Processes of the connection
②
The connection has been established
~
Data communication on both sides
Table 5-2 states of Fig 5-1
Look at the blue arrow. The data “123” from the serial port had sent before the
connection is established. In this case, the data wasn’t sent because of the [Event Byte] is
set to 0
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A situation that [Event Byte] is set to 1.
Fig 5-2 time chart for a situation that [Event Byte] is set to 1
Points
States
~
CSE-H53 is listening to connection requests
①
Remote host has sent a connection request (SYN) segment
~
Processes of the connection
②
The connection has been established
~
The data “123” has been sent right after the end of
connection processes
Table 5-3 states of Fig 5-2
As you can see, the data “123” has been sent right after the connection is established
because the value of [Event Byte] had been set to 1. If the value is not 0, the result is the
same as above example.
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A situation that [Timeout] is set to 5.
Fig 5-3 time chart for a situation that [Timeout] is set to 5
Points
States
~
Data communication on both sides
①
The last segment has been arrived at the CSE-H53
~
5 seconds are passed with no data communication
②
CSE-H53 has sent disconnection request (FIN) to a remote
host
~
Processes of the disconnection
③
The connection has been terminated
~
CSE-H53 is listening to connection requests
Table 5-4 states of Fig 5-3
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5.2 TCP Client
In this mode, CSE-H53 functions as a TCP client. CSE-H53 sends request segments to a
remote host with information of [Peer Address] and [Peer Port]. Once a host is listening and
works correctly, the connection will be established. After then, CSE-H53 converts the raw
data from the serial port to TCP/IP data and sends them to the network and vice versa.
5.2.1 Key parameters
Peer Address
This item should be an address of a remote host who is listening TCP connections.
Peer Port
[Peer Port] should be the port number which is designated by the remote host.
Event Byte
CSE-H53 decides the time to send the connection request frame with this parameter.
Value
Description
0
Right after CSE-H53 boots up
Otherwise
(512 or under)
right after the bytes set to [Event Byte] have been received from
the serial port
Setting to less than 512 bytes is strongly recommended.
Table 5-5 the operation of Event Byte 1
In addition, users can handle the serial data before a TCP connection is established
with this parameter.
Value
Description
0
CSE-H53 doesn’t send the data
Otherwise
(512 or under)
CSE-H53 sends the data right after a connection is established.
Setting to less than 512 bytes is strongly recommended.
Table 5-6 the operation of Event Byte 2
Timeout
If there is no transmission of data for amount of time which is set to this parameter,
CSE-H53 tries to terminate established TCP connection.
TCP Server
This check option is enable the TCP server / client mode. In this mode, CSE-H53 can
be operated as a TCP server or client without changing its setting.
DNS IP Address
[DNS IP Address] needs when you use host name instead of the IP address.
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5.2.2 Examples
A situation that [Event Byte] is set to 0.
Fig 5-4 time chart for a situation that [Event Byte] is set to 0
Points
States
~
Before the power is supplied
①
Sends TCP connection request segment right after it boots up
~
Processes of the disconnection
②
The connection has been established
~
Data communication on both sides
Table 5-7 states of Fig 5-4
Look at the blue arrow. The data “123” from the serial port had sent before the
connection is established. In this case, the data wasn’t sent because of the [Event Byte] is
set to 0
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A situation that [Event Byte] is set to 5.
Fig 5-5 time chart for a situation that [Event Byte] is set to 5
Points
States
~
CSE-H53 has receives data from its serial port until the amount of
data is 5 bytes
①
Sends connection request segment right after receiving 5 bytes.
~
Processes of the TCP connection
②
The connection has been established
~
The “1234567” is transmitted to the remote host
Table 5-8 states of Fig 5-5
As you can see in the figure 5-5, CSE-H53 sends request segment right after the serial
data had been 5 bytes. Even though those are come before the connection is established,
the data “123”, “45” and “67” are transmitted to the remote host because of the [Event Byte]
is set to 5.
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An activated [TCP Server] option
Fig 5-6 time chart for activating [TCP Server] option
Points
States
~
CSE-H53 is listening to connection requests
①
The connection has been established
~
CSE-H53 is on line and processes of the disconnection
②
The connection has been terminated
~
Both sides are offline
③
Sends TCP connection request segment
Table 5-9 states of Fig 5-6
The TCP Server / Client mode can be useful option by using [Event Byte] and [Timeout].
Note that only one TCP connection can be established at the same time, so users should
consider setting [Timeout] properly.
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5.3 AT Command
AT command is a mode which users control CSE-H53 with AT command like controlling
modem. In this mode, active and passive TCP connections are available. And users are
allowed to configure some environmental parameters with extended commands.
5.3.1 Key parameters
The configuration should be implemented via the serial port of CSE-H53
Commands
Description
Examples
+PLIP
Local IP Address
AT+PLIP=10.1.0.1<CR>
+PLP
Local Port
AT+PLP=1470<CR>
+PRIP
Peer IP Address
AT+PRIP=10.1.0.2<CR>
+PRP
Peer Port
AT+PRP=1470<CR>
+PDC
DHCP
AT+PDC=1 (ON)<CR>
+PPE
PPPoE
AT+PPE=1 (ON)<CR>
+PTO
Timeout
AT+PTO=10<CR>
+PWP
Store setting
AT+PWP<CR>
Table 5-10 some of extended commands for configuration
Related items with IP Address and Local Port
Local port can be set as well as IP address related parameters like IP Address, Subnet
Mask and Gateway IP Address.
Peer Address / Peer Port
IP address and local port of a remote host are can be set.
Type of assigning IP address: Manual, DHCP, PPPoE
Not only manual setting, also automatic assigning protocol (DHCP, PPPoE) are
available.
Others
Some of options including [Timeout] can be configured in this mode.
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5.3.2 Examples
TCP Server – setting parameters and passive connection
Fig 5-7 TCP passive connection
Points
States
~
Set parameters in the AT command mode
①
CSE-H53 listens TCP connection requests with the ATA
command
~
CSE-H53 is listening TCP connection requests
②
A remote host has sent SYN segment to CSE-H53
~
Processes of TCP connection
③
TCP connection has been established
~
CSE-H53 sends “CONNECT” message to the serial port
Table 5-11 states of Fig 5-7
Most of the response messages from the serial port of CSE-H53 are omitted on above figure.
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TCP Client – setting parameters and active connection
Fig 5-8 TCP Active connection
Points
States
~
Set parameters in the AT command mode
①
CSE-H53 sends a TCP connection request with the ATD
command
~
Processes of TCP connection
②
TCP connection has been established
~
CSE-H53 sends “CONNECT” message to the serial port
Table 5-12 states of Fig 5-8
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Termination of online status – entering the AT command mode
Fig 5-9 Termination of online status
Points
States
~
Keeps TCP connection
①
CSE-H53 enters the AT command mode with receiving “+++”
~
Keeps AC command mode
②
CSE-H53 terminates TCP connection with ATH command
~
Processes of TCP disconnection
③
TCP connection has been terminated
~
CSE-H53 sends “NO CARRIER” with disconnection
Table 5-13 states of Fig 5-9
CSE-H53 changes the mode to AT command, when receiving “+++” and sending “OK”
message. In this state, the communication with remote host is not possible because CSE-
H53 processes only AT command. Whenever you want to go back to online state (TCP
connection), use “ATO” command.
For more information about this, please refer to the “ATC mode” on the [Download]
>> [Technical Document] menu of our web site.
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5.4 UDP
UDP has no processes of connection. In this mode, data is sent in block units. Therefore,
data that comes through CSE-H53’s serial port must be classified in block units to send it
elsewhere.
5.4.1 Key parameters
Block Size(Byte)
[Block Size(Byte)] means the size of a block in UDP mode. Its unit is byte. The size of
bytes are come into the serial port, CSE-H53 sends them as one block to the network.
The maximum value could be 1,460 bytes.
Data Frame
[Data Frame] means the time for gathering data to make one block. Its unit is 10ms.
If there are no transmission during the time which is set to this value, CSE-H53 sends
gathered data in the buffer as one block to the network.
Once one of the parameters is sufficient, the block size is decided as the condition.
Dynamic update of Peer host
If users set the value of [Peer Address] and [Peer Port] to 0, [dynamic update of peer
host] function is activated. By using this function, CSE-H53 can communicate to
multiple hosts without additional setting.
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5.4.2 Examples
Block Size: 5 bytes / Data Frame: 1s (100 by 10ms)
Fig 5-10 time chart for event byte is 5 bytes and data frame is 1s
Points
States
~
CSE-H53 is receiving data from the serial port
①
CSE-H53 Sends 5 bytes as one block based on the [Event
byte]
~
Serial device sends data “678” to the CSE-H53
②
Data “678” has arrived
~
CSE-H53 sends data from the remote host to the serial device
③
1 second has passed
~
CSE-H53 sends data “678” based on the [Data frame]
Table 5-14 states of Fig 5-10
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Dynamic Update of Peer host
This is a function that CSE-H53 automatically sets its peer host with information of
the last packet which is received from network. In the packet, the source address and
port number is used.
Parameters
Values
Peer Address
0 (None)
Peer Port
0
Table 5-15 setting for [dynamic update of peer host] function
Fig 5-11 time chart for [dynamic update of peer host]
Points
States
~
Remote host 2 sends data to CSE-H53
①
CSE-H53 sets host 2 to peer host
~
Remote host 1 sends data to CSE-H53
②
CSE-H53 updates host 1 to peer host
~
Remote host 2 sends data again to CSE-H53
③
CSE-H53 updates host 2 to peer host
~
CSE-H53 can communicate with remote host 2
Table 5-16 states of Fig 5-11
The data “ABC”, “DE”, “FGH” are from the serial port of CSE-H53 in the Fig 5-11.
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6 System Management
6.1 Upgrading Firmware
6.1.1 Firmware
Firmware is a type of software for operation of CSE-H53. If there are needs for adding
function or fixing bugs, the firmware is modified and released. We recommend that users
keep use the latest released firmware.
6.1.2 Processes
Downloading the latest released firmware
Download the newest firmware file. We update our homepage when a new firmware
is released. You can find it on our website.
Entering ISP mode
Enter ISP mode to download firmware file to CSE-H53.
Run a TFTP client and ready to send the F/W file
Run a TFTP client program. ezManager is equipped the client program. Click the
[Change F/W / HTML] button.
Fig 6-1 running TFTP client
① Check the [Advanced Menu] check box
② Click the [Change F/W / HTML] button to run TFTP client
③ Select the [Change Firmware] radio button
④ Input the IP address of CSE-H53 to the [Local IP Address] text box
⑤ Press the [Open Firmware / HTML] button and choose the firmware file
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Checking firmware file and Sending
Fig 6-2 sending firmware file
① Check if the name and path of the firmware file are correct
② Click the [Send] button
③ Confirm the completed message
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6.2 Status Monitoring
6.2.1 Using TELNET
Once the [TELNET] option is activated, users can remotely log in to CSE-H53. If a
password is set, users should input the password.
After then, messages from CSE-H53 appear like Fig 6-3.
Fig 6-3 log in to CSE-H53 on TELNET
Followed commands let users check each state.
Command
Option
Description
Usage
st
net
Network Status
lsh>st net
sio
Serial Port Status
lsh>st sio
uptime
System Uptime
lsh>st uptime
sc
[OP1][OP2]
Session Control
lsh>sc com1 close
Table 6-1 Commands for checking states
st net
“st net” command displays present network states of all sessions.
Fig 6-4 “st net” command
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st sio
“st sio” command displays the number of bytes for the serial port.
Fig 6-5 “st sio” command
st uptime
“st uptime” command shows amount of time since CSE-H53 boots up.
Fig 6-6 “st uptime” command
sc
“sc” command is used when users close a session. [OP1] means the name of session,
and [OP2] should be “close”.
Fig 6-7 “sc” command
In case of the “sc” command you should use only small letters.
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6.2.2 Using ezManager
Status of CSE-H53 can be monitored by [Status] button on ezManager. By using the
[Refresh Every 1 Second] option in the status window, the status is automatically updated in
every second.
Fig 6-8 status window of ezManager
FIRMWARE VERSION
The name of model name and the version of firmware are displayed here.
SYSTEM UPTIME
Amount of time is displayed since CSE-H53 boots up.
IP4 NETWORK INFORMATION
All information about related items with IP Address is shown here. It works even if the
IP address is assigned from DHCP or PPPoE.
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TCP STATE
TCP status of each port is shown this section.
Message
Description
LISTEN
listening TCP connection
CLOSE
TCP connection is closed
SYN_SENT
Send “SYN” segment to make TCP connection
ESTABLISHED
When TCP connection is established
N/A
In UDP mode
Table 6-2 TCP STATE
SERIAL STATUS
Amount of data in every buffer is displayed. The unit is byte.
Buffer
Description
sio_rx
The number of data which is received from the COM port
net_tx
The number of data which is sent to the remote host
net_rx
The number of data which is received from the remote host
sio_tx
The number of data which is sent to the COM port
Table 6-3 SERIAL STATUS
ARP TABLE
This part shows ARP table on CSE-H53. When TCP connection is established or UDP
data communication is performed, the information of IP and MAC address is
automatically stored in the ARP table. This information is held for 1 minute. When 50
seconds is passed, CSE-H53 starts broadcasting the ARP packet again. If there is no
response until the time is 0, the information is removed. If there is response, the time
is updated 60 seconds again.
TCP/IP Connection
In this section, the same information with TCP STATE is displayed with IP address and
port number. A difference is that users can terminate TCP connection. When right
click on a session, a small pop-up window is created.
Password
This text box is activated when CSE-H53 has a password. If users want to close TCP
connection with right click of mouse on the session, this password has to be correctly
filled.
Refresh Every 1 Second.
If this option is checked, ezManager send query in every second.
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6.2.3 Debugging Message
By using [Debugging] option, users can receive debugging messages from CSE-H53 on
the network.
Setting debugging option
Fig 6-9 setting debugging option
① Check the [Debugging Message] option
② Press the [Write] button
③ After check the [Advanced Menu], click the [Debugging Message] button. And
then, the debugging message window is shown on your screen like figure 6-10.
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Fig 6-10 debugging message window
① Network Adapter
② Place for listing received debugging messages from CSE-H53 over the network
③ Auto update to display the latest captured file on the screen of ②
④ MAC Address and Serial port Information of a selected message
⑤ Amount of received or dropped data and XON/OFF signals
⑥ Serial port’s receiving status with LED interface
⑦ Place for listing received data from the serial port
⑧ Buttons for saving, closing and clearing a log file including an auto scroll option
⑨ Serial port’s transmitting status with LED interface
⑩ Place for listing sent data to the serial port
⑪ Buttons for saving, closing and clearing a log file including an auto scroll option
ⓐ To start capturing debugging messages from CSE-H53
ⓑ To stop capturing debugging messages from CSE-H53
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ⓒ [Reboot] button is for software rebooting
ⓓ [Load Message] is for loading a debugging log file to display
ⓔ Closing debugging message window
If you have problems with communication or connection, it can be helpful for us that
you capture the debugging messages and send us to the file.
When you use [Debugging Message] function, it can cause network traffic because
the messages are broadcasted to whole network. If you don’t use it anymore, you
should uncheck the function.
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7 Additional Functions
7.1 Security
7.1.1 Restriction of Access (ezTCP Firewall)
On the [Option] tab of ezManager, users can set restriction of access function with
filtering MAC and IP address.
Allowed MAC Address
If this option has a value of MAC address, the device which has the MAC address is
only permitted to access.
Allowed IP Address
This is for qualifying hosts with IP address or range of IP address. The range is
defined by multiplying [IP address] and [Network Mask] in bit unit.
Examples
IP Address
Network Mask
Allowed IP Address Range
10.1.0.1
255.0.0.0
10.1.0.1 ∼ 10.255.255.254
10.1.0.1
255.255.255.0
10.1.0.1 ∼ 10.1.0.254
192.168.1.4
255.255.255.255
192.168.1.4
Fig 7-1 examples of defining allowed IP range
Apply to ezManager
[Apply to ezManager] is for applying above two restrictions to ezManager functions
like [Search], [Read], [Write] and etc.
7.1.2 Setting Password
A password can be used for protecting CSE-H53 from TELNET login or changing
environmental parameters by hosts which are not qualified. The maximum length is 8 bytes
of Alphabet or number.
When you want to revoke all of these restrictions, operate CSE-H53 as ISP mode. In
the mode, all restrictions are removable and communication with ezManager is
revoked.
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7.2 Notify IP Change
CSE-H53 can be TCP server even though it assigned IP address automatically. Using
[Notify IP Change] function, CSE-H53 sends its IP address with the host name to the
designed server. There are 3 types- DDNS, TCP and UDP- for this service.
Dynamic Domain Name Service (DDNS)
CSE-H53 supports DDNS service offered by DynDNS. Therefore, you have to make an
account and create host names on the website of DynDNS before you use.
All about service usage of an account could be changed according to the policy of
DynDNS.
Homepage of DynDNS: http://dyn.com/
Fig 7-1 setting DDNS
① Select the [DDNS(dyndns.org)]
② 40,320 is a fixed value
③ Input the ID of DDNS account
④ Input the password of the account
⑤ Input a host name which you create on your account
TCP/UDP
In case you have an own server and want to manage the information about changed
IP addresses, you allowed used TCP/UDP for using this option. The [Data Type] can be
selected as ASCII or hexadecimal, and the [Interval] is available on configuration.
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7.3 Sending MAC Address
[Sending MAC Address] is a function that CSE-H53 sends its MAC address to the remote
host right after the connection is established. By using this function, a server can identify
multiple devices with the information.
Fig 7-2 setting of Sending MAC Address function
① Move to the [Option] tab.
② Check the [Send MAC Address] option.
7.1 TELNET COM port Control Option (RFC 2217)
This option is for sending and receiving serial port states between two devices. Users can
send and receive control signals like RTS/CTS when the states are changed.
Fig 7-3 setting of TELNET COM Port Control option
① Move to the [Serial Port] tab.
② Check the [Telnet COM Port Control (RFC2217)] option.
If you want details about the [TELNET COM port Control Option] and [Sending MAC
Address], please refer to the documents on the [Download] >> [Technical Document] of
our website.
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8 Self Test in Trouble
When users are in trouble with CSE-H53, make sure all the followed steps first.
8.1 Searching problem with ezManager
Confirming types of configuration utility
CSE-H53 can be configured by ezManager.
Stopping Firewall operation
Firewalls of personal computer or network block broadcast packets. Stop all the
firewalls before searching CSE-H53
Most of vaccine programs have firewall functions so it can cause some trouble to
search CSE-H53. Stop these programs before the searching.
Stable supply of the power
Check if the power is supplied continually. If the power is constantly supplied, the
PWR (Red) LED on the CSE-H53’s body will be turned ON.
Connection with the network
Make sure that the network connection is fine including Ethernet cable. In this step,
we recommend that users connect CSE-H53 with PC directly or in the same network
hub.
Checking options of restriction
In case that restriction of access is activated, the communication with ezManager can
be impossible. When users are in this situation, make CSE-H53 operate in ISP mode.
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8.2 Connection Problem over TCP/IP
Checking parameters related with TCP/IP
When CSE-H53 has a private network IP address, personal computer’s IP address has
to be the same sub network. Check if the IP address and local port number are
correct. In case of a fixed IP address, the subnet mask, gateway IP address and DNS
IP address should be configured.
TCP Server side
TCP Client side
Local IP Address, Local Port, Subnet
Mask, Gateway IP Address, DNS IP
Address, DDNS option
Local IP Address, Peer Address, Peer Port,
Subnet Mask, Gateway IP Address, DNS IP
Address,
Table 8-1 major parameters related with TCP/IP
PING Test
Confirm the connection over the network by PING test. If the CSE-H53 doesn’t send
any reply from the request, check the network environment.
Firewall
In case the networks which need strong security, the access may be denied by their
firewall. Under this circumstance, users should ask the person in charge of their
network to release ports which will be used. (Ex: TCP 1470, UDP 50005)
Operation Mode
TCP connection is not possible when CSE-H53 is operating in the ISP or Serial
Configuration mode.
Communication Mode
To make TCP connection, both a server and client should exist. If there are only
servers or clients, TCP connection can’t be established.
ezTCP Firewall
When users set the ezTCP firewall with MAC and IP address, any hosts can’t be
reachable to it except for the hosts which have the allowed MAC and IP address.
Inactivate the option or check the setting is correct.
Checking the TCP status
TCP is a protocol connected one to one without multiple connection function.
Because of this, if a device is on TCP connection, other requests are denied. If users
are in this situation, check the network status by connecting on TELNET or using
ezManager.
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8.3 Data Communication Problem on the Serial
Connection of Pins
Check if the connection of each pin is right. Using cables, users choose the right type
of cable which is suitable for the device. Transmit Data (TXD) pin should be
connected with Receive Data (RXD) pin. Look at the figure 8-1.
Fig 8-1 RS232 connection
Setting parameters
Check if all the serial port parameters like Baud Rate, Data bit, Stop bit and Parity are
properly set.
Contact us if you have any questions about above steps or our products.
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9 Related Material
9.1 Technical Documents
You can find the technical documents at our website.
DataSheet
IP Change Notification(DDNS)
Sending MAC Address function
TCP Server/Client mode
Telnet COM Port Control Option
etc
9.2 Smart phone Application
ezManager(IOS)
ezManager(Android)
TCP/IP Client(Android)
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10 Technical Support and Warranty
10.1 Technical Support
If you have any question regarding operation of the product, visit Customer Support FAQ
corner and the message board on Sollae Systems’ web site or send us an email at the
following address:
E-mail: support@eztcp.com
Website Address for Customer Support: http://www.eztcp.com/en/support/
10.2 Warranty
10.2.1 Refund
Upon the customer’s request to refund the product within two weeks after purchase,
Sollae Systems will refund the product.
10.2.2 Free Repair Services
For product failures occurring within 2 years after purchase, Sollae Systems provides free
repair services or exchange the product. However, if the product failure is due to user’s
fault, repair service fees will be charged or the product will be replaced at user’s expense.
10.2.3 Charged Repair Services
For product failures occurring after the warranty period (2 years) or resulting from user’s
fault, repair service fees will be charged and the product will be replaced at user’s expense.
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11 Precaution and Exemption from Liability
11.1 Precaution
Sollae Systems is not responsible for product failures occurring due to user’s
alternation of the product.
Specifications of the product are subject to change without prior notice for
performance improvement.
Sollae Systems does not guarantee successful operation of the product if the
product was used under conditions deviating from the product specifications.
Reverse engineering of firmware and applications provided by Sollae Systems is
prohibited.
Use of firmware and applications provided by Sollae Systems for purposes other
than those for which they were designed is prohibited.
Do not use the product in an extremely cold or hot place or in a place where
vibration is severe.
Do not use the product in an environment in which humidity is high or a lot of oil
exists.
Do not use the product where there is caustic or combustible gas.
Sollae Systems does not guarantee normal operation of the product under the
conditions a lot of noise exists.
Do not use the product for a purpose that requires exceptional quality and
reliability relating to user’s injuries or accidents – aerospace, aviation, health care,
nuclear power, transportation, and safety purposes.
Sollae Systems is not responsible for any accident or damage occurring while using
the product.
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11.2 Exemption from Liability
11.2.1 English version
In no event shall Sollae Systems Co., Ltd. and its distributors be liable for any damages
whatsoever (including, without limitation, damages for loss of profit, operating cost for
commercial interruption, loss of information, or any other financial loss) from the use or
inability to use the CSE-H53 even if Sollae Systems Co., Ltd. or its distributors have been
informed of such damages.
The CSE-H53 is not designed and not authorized for use in military applications, in
nuclear applications, in airport applications or for use in applications involving explosives,
or in medical applications, or for use in security alarm, or for use in a fire alarm, or in
applications involving elevators, or in embedded applications in vehicles such as but not
limited to cars, planes, trucks, boats, aircraft, helicopters, etc..
In the same way, the CSE-H53 is not designed, or intended, or authorized to test,
develop, or be built into applications where failure could create a dangerous situation that
may result in financial losses, damage to property, personal injury, or the death of people
or animals. If you use the CSE-H53 voluntarily or involuntarily for such unauthorized
applications, you agree to subtract Sollae Systems Co., Ltd. and its distributors from all
liability for any claim for compensation.
Sollae Systems Co., Ltd. and its distributors entire liability and your exclusive remedy shall
be Sollae Systems Co., Ltd. and its distributors option for the return of the price paid for, or
repair, or replacement of the CSE-H53.
Sollae Systems Co., Ltd. and its distributors disclaim all other warranties, either expressed
or implied, including, but not limited to, the implied warranties of merchantability and
fitness for a particular purpose, with respect to the CSE-H53 including accompanying
written material, hardware and firmware.
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11.2.2 French version
Documentation
La documentation du boîtier CSE-H53 est conçue avec la plus grande attention. Tous les
efforts ont été mis en œuvre pour éviter les anomalies. Toutefois, nous ne pouvons garantir
que cette documentation soit à 100% exempt de toute erreur. Les informations présentes
dans cette documentation sont données à titre indicatif. Les caractéristiques techniques
peuvent changer à tout moment sans aucun préavis dans le but d'améliorer la qualité et les
possibilités des produits.
Copyright et appellations commerciales
Toutes les marques, les procédés, les références et les appellations commerciales des
produits cités dans la documentation appartiennent à leur propriétaire et Fabricant respectif.
Conditions d’utilisations et limite de responsabilité
En aucun cas Sollae Systems Co., Ltd. ou un de ses distributeurs ne pourra être tenu
responsable de dommages quels qu'ils soient (intégrant, mais sans limitation, les
dommages pour perte de bénéfice commercial, interruption d'exploitation commerciale,
perte d’informations et de données à caractère commercial ou de toute autre perte
financière) provenant de l'utilisation ou de l'incapacité à pouvoir utiliser le boîtier CSE-H53,
même si Sollae Systems Co., Ltd. ou un de ses distributeurs a été informé de la possibilité
de tels dommages.
Le boîtier CSE-H53 est exclusivement prévu pour un usage en intérieur, dans un
environnement sec, tempéré (+10 °C à +40°C) et non poussiéreux. Le boîtier CSE-H53 n’est
pas prévu, ni autorisé pour être utilisé en extérieur, ni de façon embarquée dans des engins
mobiles de quelque nature que ce soit (voiture, camion, train, avion, etc…), ni en milieu
explosif, ni dans des enceintes nucléaires, ni dans des ascenseurs, ni dans des aéroports, ni
dans des enceintes hospitaliers, ni pour des applications à caractère médical, ni dans des
dispositifs de détection et d’alerte anti-intrusion, ni dans des dispositifs de détection et
d’alerte anti-incendie, ni dans des dispositifs d’alarme GTC, ni pour des applications
militaires.
De même, le boîtier CSE-H53 n’est pas conçu, ni destiné, ni autorisé pour expérimenter,
développer ou être intégré au sein d’applications dans lesquelles une défaillance de celui-ci
pourrait créer une situation dangereuse pouvant entraîner des pertes financières, des
dégâts matériel, des blessures corporelles ou la mort de personnes ou d’animaux. Si vous
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utilisez le boîtier CSE-H53 volontairement ou involontairement pour de telles applications
non autorisées, vous vous engagez à soustraire Sollae Systems Co., Ltd. et ses distributeurs
de toute responsabilité et de toute demande de dédommagement.
En cas de litige, l'entière responsabilité de Sollae Systems Co., Ltd. et de ses
distributeurs vis-à-vis de votre recours durant la période de garantie se limitera
exclusivement selon le choix de Sollae Systems Co., Ltd. et de ses distributeurs au
remboursement de votre produit ou de sa réparation ou de son échange. Sollae Systems
Co., Ltd. et ses distributeurs démentent toutes autres garanties, exprimées ou implicites.
Tous les boîtiers CSE-H53 sont testés avant expédition. Toute utilisation en dehors des
spécifications et limites indiquées dans cette documentation ainsi que les court-circuit, les
chocs, les utilisations non autorisées, pourront affecter la fiabilité, créer des
dysfonctionnements et/ou la destruction du boîtier CSE-H53 sans que la responsabilité de
Sollae Systems Co., Ltd. et de ses distributeurs ne puissent être mise en cause, ni que le
boîtier CSE-H53 puisse être échangé au titre de la garantie.
Rappel sur l’évacuation des équipements électroniques usagés
Le symbole de la poubelle barré présent sur le boîtier CSE-H53 indique que vous ne
pouvez pas vous débarrasser de ce dernier de la même façon que vos déchets courants.
Au contraire, vous êtes responsable de l’évacuation du boîtier CSE-H53 lorsqu’il arrive en
fin de vie (ou qu’il est hors d’usage) et à cet effet, vous êtes tenu de le remettre à un
point de collecte agréé pour le recyclage des équipements électriques et électroniques
usagés. Le tri, l’évacuation et le recyclage séparés de vos équipements usagés permettent
de préserver les ressources naturelles et de s’assurer que ces équipements sont recyclés
dans le respect de la santé humaine et de l’environnement. Pour plus d’informations sur les
lieux de collecte des équipements électroniques usagés, contacter votre mairie ou votre
service local de traitement des déchets.
CSE-H53 User’s Manual Ver. 1.7
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12 History
Date
Version
Comments
Author
2009.12.01
1.0
○ Created
Roy LEE
2009.12.14
1.1
○ The table 4-1 has been changed.
Roy LEE
2010.04.12
1.2
○ Figure 3-2, 3-3 and 3-6 have been replaced.
Roy LEE
2010.06.25
1.3
○ Maximum value of the [Event Bytes] has been corrected.
Roy LEE
2010.08.03
1.4
○ Weight and some wrong expressions has been corrected.
Roy LEE
2011.12.16
1.5
○ Caution about service using of DynDNS has been added
Lisa Shin
2012.06.28
1.6
○ Change the domain name to ‘www.ezTCP.com’
○ Extend the warranty period to two years
○ Remove description about PPPoE and DHCP
Lisa Shin
2013.05.15
1.7
○ Add Exemption from Liability contents
○ Add Related Material contents
○ Modify some expressions
Lisa Shin
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