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CSE-M73A User Manual Ver. 1.0

- 24 -

https://www.ezTCP.com

5

Communication Modes

5.1

TCP Server

In this mode, CSE-M73A functions as a TCP server. CSE-M73A listens to a TCP connection

from remote host. Once a host tries to connect to CSE-M73A and the module responses
that request. After the connection is established, CSE-M73A 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-M73A doesn

’

t send the data

Otherwise

(512 or Under)

CSE-M73A sends the data right after a connection is established.
512 or under bytes are strongly recommended.

Figure 5-1 Event Byte

⚫

Timeout
If there is no transmission of data for amount of time which is set to this parameter,
CSE-M73A 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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Summary of Contents for CSE-M73A

Page 1: ...Sollae Systems Co Ltd https www ezTCP com Board Type Serial Ethernet Converter CSE M73A User Manual Version 1 0 ...

Page 2: ...ical 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 loc...

Page 3: ... Interface 11 1 5 5 ISP Jumper 11 1 5 6 Power 11 1 5 7 System LED 12 2 Installation and Test 13 2 1 Installation 13 2 1 1 Setting Network Aera 13 2 2 Simple Test 15 3 Configuration 18 3 1 Configuration with ezManager 18 3 1 1 Configuration via LAN 18 3 1 2 Configuration via Serial 19 3 2 AT command 20 4 Operation Modes 21 4 1 What is the Operation Mode 21 4 2 How to enter each mode 21 4 3 Comparis...

Page 4: ...agement 39 6 1 Upgrading Firmware 39 6 1 1 Firmware 39 6 1 2 Processes 39 6 2 Status Monitoring 41 6 2 1 Using TELNET 41 6 2 2 Using ezManager 43 6 2 3 Debugging Message 45 7 Additional Functions 47 7 1 Access Restriction 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 4 TELNET COM port Control Option RFC 2217 49 7 5 S...

Page 5: ...IP 55 8 3 Data Communication Problem on the Serial 57 9 Related material 58 9 1 Technical Documents 58 9 2 Smart phone application 58 10 Technical Support and Warranty 59 10 1Technical Support 59 10 2Warranty 59 10 2 1 Refund 59 10 2 2 Free Repair Services 59 10 2 3 Charged Repair Services 59 11 Precaution and Exemption from Liability 60 11 1Precaution 60 11 2Exemption from Liability 61 11 2 1 Eng...

Page 6: ... short distance and hard maintenance CSE M73A lets the serial devices connect to the Internet To communicate on the Internet devices should use TCP IP protocol so CSE M73A processes the converting serial data to TCP IP CSE M73A supports RS422 RS485 and 3 3V as well as RS232 The interfaces including the RJ45 connecter let users apply this module to their system easily 1 2 Application Examples 1 1 C...

Page 7: ...t on Cable Networks Figure 1 3 applied to the Internet on cable networks Applied to the Internet with an IP Share Router Figure 1 4 applied to the Internet with an IP share router An Example for Multiple Monitoring System Figure 1 5 an example for multiple monitoring system ...

Page 8: ...rage 40 85 RoHS RoHS Compliant 1 3 2 Software Protocol TCP UDP IP ICMP ARP DHCP PPPoE Telnet DNS Lookup DDNS TELNET COM port Control Option RFC 2217 SSL SSH 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 Connecti...

Page 9: ...l Ver 1 0 8 https www ezTCP com 1 4 Dimension 그림 1 1 Dimension According to conditions of soldering components the dimensions might be differed with the above figure Thus we recommend giving some extra spaces about 1 2 mm ...

Page 10: ...1 and JP2 It supports RTS CTS hardware flow control and pins which have the same number of JP1 and JP2 are connected each other Number Name Description Level I O Etc 1 VCC DC 5V Power required 2 RXD Receive Data RS232 IN required 3 TXD Transmit Data RS232 OUT required 4 GND Ground required 5 RTS Request To Send RS232 OUT optional 6 CTS Clear To Send RS232 IN optional Table 1 1 pin assignment of th...

Page 11: ...required 2 TRX RS422 Transmit Data RS422 IN required RS485 Data RS485 3 TRX RS422 Transmit Data RS422 OUT required RS485 Data RS485 4 GND Ground required 5 RX RS422 Receive Data RS422 OUT optional 6 RX RS422 Receive Data RS422 IN optional Table 1 2 pin assignment of the RS422 485 port In some environments to prevent reflection wave two terminal resistors may be needed at the end of the RS422 and 4...

Page 12: ... 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 M73A is set in the factory before being shipped to the market The hardware address is also known as the MAC address Figure 1 7 the Ethernet in...

Page 13: ...times at once Without obtaining an IP address under DHCP or PPPoE network ON On TCP connection Green ON Connecting with Ethernet OFF Before connecting with Ethernet Blinking Sending or Receiving data from Ethernet ISP Both OFF In the ISP mode Serial Configuration Both Blinks simultaneously In the Serial Configuration mode Table 1 5 Status of the system LED Power LED Mode Color Status Description C...

Page 14: ...ludes network hubs Figure 2 1 connection between M73A and a PC Procedures for the test are followed 2 1 1 Setting Network Aera This step is for setting both CSE M73A 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 Set the IP address to the Ethernet adapter of the PC connected to the product as follows Figure 2 2 Sett...

Page 15: ...ble shows the default values of the main environmental variables For test operation please keep the CSE M73A s IP address and all environment values as the default settings below 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 Co...

Page 16: ...73A via LAN Figure 2 3 settings for TCP connection Select TCP Client Input correct IP address and port number of CSE M73A Clink the Connect button In case of TCP Server it will be Listen button Opening RS232 Port Figure 2 4 opening COM Port Select COM port which the CSE M73A is connected to Make sure that all the parameters are the same with M73A Press the Open button ...

Page 17: ...tps www ezTCP com Confirm the TCP Connection and COM port status Figure 2 5 TCP Connected message Check the message if the TCP connection is established Figure 2 6 COM Port open message Check the message if the COM port has been opened ...

Page 18: ...smission test Figure 2 7 successful data transmission Click the Send data on the LAN part Check the data have been shown from the step Figure 2 8 LAN RS232 Press the Send data on the RS232 part Check the data have been received from the step Figure 2 9 RS232 LAN ...

Page 19: ...3 1 initial appearance of ezManager 3 1 1 Configuration via LAN Checklists Make sure the connection between your PC and CSE M73A 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 Figure 3 2 procedures for configuration via LAN ...

Page 20: ...jumper less than 1 second you can enter the mode After then read the setting via Serial tab on ezManager Procedures Figure 3 3 procedures for configuration via Serial Step 2 Reading Figure 3 4 reading procedure via serial Choose the Serial tab Select the COM port which the M73A is connected with Open the COM port with the Open button Load the setting with Read button If you want to know more speci...

Page 21: ...gured by ezManager Figure 3 5 setting the communication mode to the AT command Procedures Figure 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...

Page 22: ...munication 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 RS232 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 enter e...

Page 23: ... 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 c...

Page 24: ...can enter this mode by connecting the ISP jumper 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 M73A offers restriction methods for security like filtering password or MAC and ...

Page 25: ...nt bytes users can handle the serial data before a TCP connection is established Value Description 0 CSE M73A doesn t send the data Otherwise 512 or Under CSE M73A sends the data right after a connection is established 512 or under bytes are strongly recommended Figure 5 1 Event Byte Timeout If there is no transmission of data for amount of time which is set to this parameter CSE M73A tries to ter...

Page 26: ...3A is listening to connection requests Remote host has sent a connection request SYN segment Processes of the connection The connection has been established Data communication on both sides Figure 5 3 states of each points 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 ...

Page 27: ... Remote host has sent a connection request SYN segment Processes of the connection The connection has been established The data 123 has been sent right after the end of connection processes Figure 5 5 states of each points 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 sam...

Page 28: ...o 5 Points States Data communication on both sides The last segment has been arrived at the CSE M73A 5 seconds are passed with no data communication CSE M73A has sent disconnection request FIN to a remote host Processes of the disconnection The connection has been terminated M73A is listening to connection requests Figure 5 7 states of each points ...

Page 29: ... CSE M73A sends TCP connection request segment Right after it boots up Otherwise 512 or under CSE M73A sends the segment right after it received amount of data which is set to the Event Byte from the serial port 512 or under bytes are strongly recommended Figure 5 8 the operation of Event Byte 1 In addition users can handle the serial data before a TCP connection is established with this parameter...

Page 30: ... Event Byte is set to 0 Points States Before the power is supplied Sends TCP connection request segment right after it boots up Processes of the disconnection The connection has been established Data communication on both sides Figure 5 11 states of each points 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 b...

Page 31: ...ection request segment right after receiving 5 bytes Processes of the TCP connection The connection has been established The 1234567 is transmitted to the remote host Figure 5 13 states of each points As you can see in the figure 5 5 CSE M73A 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...

Page 32: ...tion has been established CSE M73A is on line and processes of the disconnection The connection has been terminated Both sides are offline Sends TCP connection request segment Figure 5 15 states of each points 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...

Page 33: ...t 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 Figure 5 16 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 Addr...

Page 34: ...mand mode CSE M73A listens TCP connection requests with the ATA command CSE M73A is listening TCP connection requests A remote host has sent SYN segment to M73A Processes of TCP connection TCP connection has been established CSE M73A sends CONNECT message to the serial port Figure 5 18 states of each points Most of the response messages from the serial port of CSE M73A are omitted on above figure ...

Page 35: ...ction Figure 5 19 TCP Active connection Points States Set parameters in the AT command mode CSE M73A sends a TCP connection request with the ATD command Processes of TCP connection TCP connection has been established CSE M73A sends CONNECT message to the serial port Figure 5 20 states of each points ...

Page 36: ... ATH command Processes of TCP disconnection TCP connection has been terminated CSE M73A sends NO CARRIER with disconnection Figure 5 22 states of each points CSE M73A 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 M73A processes only AT command Whenever you want to go back to online state TCP connect...

Page 37: ...he maximum value could be 1460 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 M73A sends gathered data in the buffer as one block to the network Please set this value to 11 or higher values for correct operation Once one of the parameters is sufficient the block size is dec...

Page 38: ...lock based on the Block Size Serial device sends data 678 to the CSE M73A Data 678 has arrived CSE M73A sends data from the remote host to the serial device 1 second has passed CSE M73A sends data 678 based on the Data frame Figure 5 24 states of each points Dynamic Update of Peer host This is a function that CSE M73A automatically sets its peer host with information of the last packet which is re...

Page 39: ...e of peer host Points States Remote host 2 sends data to CSE M73A CSE M73A sets host 2 to peer host Remote host 1 sends data to CSE M73A CSE M73A updates host 1 to peer host Remote host 2 sends data again to CSE M73A CSE M73A updates host 2 to peer host CSE M73A can communicate with remote host 2 Figure 5 27 states of each points The data ABC DE FGH are from the serial port of CSE M73A in the Fig ...

Page 40: ...test 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 M73A 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 Cha...

Page 41: ...put the IP address of CSE M73A to the Local IP Address box Press the Open Files button and choose the firmware file Checking firmware file and Sending Figure 6 2 sending firmware file Check if the name and path of the firmware file are correct Click the Send button Confirm the completed message ...

Page 42: ... messages from CSE M73A appear like Fig 6 3 Figure 6 3 log in to CSE M73A 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 sd OP1 OP2 Serial Data Capture lsh sd 100 Serial Data Capturing Stops lsh sd 1 close Table ...

Page 43: ...of time since M73A boots up Figure 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 Figure 6 7 sc command In case of the sc command you should use only small letters sd sd command is for capturing serial data OP1 means name of the session OP2 means period which has a 10ms unit for the capture Figure 6 8 sd command ...

Page 44: ...ndow the status is automatically updated in every second Figure 6 9 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 M73A 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...

Page 45: ...ble on CSE M73A 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 M73A 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 se...

Page 46: ...an receive debugging messages from CSE M73A on the network Setting debugging option Figure 6 10 setting debugging option Check the Debugging Message option and press the Write button Click the Debugging Message on the Advanced Menu And then the debugging message window is shown on your screen like figure below ...

Page 47: ...capturing debugging messages from CSE M73A ⓑ To stop capturing debugging messages from CSE M73A ⓒ Unavailable ⓓ 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 cau...

Page 48: ...t 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 Table 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 c...

Page 49: ... host names on the website of DynDNS before use this All about service usage of an account could be changed according to the policy of DynDNS Homepage of DynDNS https dyn com Figure 7 1 setting DDNS Select the DDNS dyndns org 40 320 is a fixed value Input the ID of DDNS account Input the password of the account Input a host name which you create on your account TCP UDP In case you have an own serv...

Page 50: ...n a server can identify multiple devices with the information Figure 7 2 setting of Sending MAC Address function Move to the Option tab Check the Send MAC Address option 7 4 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 Figure 7 3 setting of ...

Page 51: ...COM Port Control Option and Sending MAC Address Function documents 7 5 Separator Using this function you can control the length of network packets by specific characters Figure 7 4 setting of separator Move to the Serial Port tab Set the separator separator options Length select the length between 0 4 bytes Operation Transmit Separators without additional bytes Transmit Separators 1 byte Transmit ...

Page 52: ...use as a TCP client Just check the option on ezManager Figure 7 5 activation of the SSL option Multiple Connection SSH and TELNET COM Port Control options are unavailable while using SSL option 7 6 2 How to use as a TCP server To use SSL option as a TCP server you should create a certification Figure 7 6 processes for SSH For the details about the SSL setting please refer to SSL Function Manual do...

Page 53: ...ensified for the security 7 7 1 How to use Follow the below procedures Figure 7 7 activation of the SSL option Multiple Connection SSH and TELNET COM Port Control options are unavailable and only TCP server can be used while using SSL option Figure 7 8 processes for SSH For the details about the SSH setting please refer to SSH Function Manual document ...

Page 54: ...session number is 8 for the Multiple Connection 7 8 1 How to use The option is available after activating the Multiple Connection on ezManager Figure 7 9 activation of the Multiple Connection 7 8 2 Diagram Figure 7 10 diagram for the Multiple Connection Data from each host are sent to the User s device via CSE M73A Data from the User s device is sent to the all hosts 1 8 via CSE M73A ...

Page 55: ...or the RS422 or RS485 communication you have to use JP4 and 5 of CSE M73A When using 3 3V level JP3 can be used To change another mode the Serial Type option should be changed on ezManager Figure 7 11 the Serial Type parameter For reference 3 3V communication is indicated as TTL in ezManager ...

Page 56: ... If the power is constantly supplied the red LED on the CSE M73A s body will be 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 M73A 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 ...

Page 57: ...work to release ports which will be used Ex TCP 1470 UDP 50005 Operation Mode TCP connection is not possible when CSE M73A 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 addres...

Page 58: ... 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 Figure 8 1 RS232 connection Figure 8 2 RS422 connection Figure 8 3 RS485 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 pro...

Page 59: ...ments You can find the technical documents at our website Datasheet IP Change Notification DDNS How to use SSL How to use SSH Sending MAC Address function Telnet COM Port Control Option etc 9 2 Smart phone application ezManager iOS ezManager Android TCP IP Console iOS TCP IP Client Android ...

Page 60: ...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 two 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 ...

Page 61: ...nd 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 guarante...

Page 62: ... cars planes trucks boats aircraft helicopters etc In the same way the CSE M73A 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 M73A voluntarily or involuntarily for such unauthorized app...

Page 63: ...es à caractère commercial ou de toute autre perte financière provenant de l utilisation ou de l incapacité à pouvoir utiliser le boîtier CSE M73A même si Sollae Systems Co Ltd ou un de ses distributeurs a été informé de la possibilité de tels dommages Le boîtier CSE M73A est exclusivement prévu pour un usage en intérieur dans un environnement sec tempéré 10 C à 40 C et non poussiéreux Le boîtier C...

Page 64: ...fiabilité créer des dysfonctionnements et ou la destruction du boîtier CSE M73A sans que la responsabilité de Sollae Systems Co Ltd et de ses distributeurs ne puissent être mise en cause ni que le boîtier CSE M73A 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 M73A indique que vous ...

Page 65: ...CSE M73A User Manual Ver 1 0 64 https www ezTCP com 12 History Date Version Comments Author 2020 04 01 1 0 Created Roy LEE ...

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