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Sollae Systems Co., Ltd.

http://www.ezTCP.com

Embedded Serial to Ethernet Module

CSE-M53N User Manual

Version 2.5

Summary of Contents for CSE-M53N

Page 1: ...Sollae Systems Co Ltd http www ezTCP com Embedded Serial to Ethernet Module CSE M53N User Manual Version 2 5 ...

Page 2: ...g 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 conta...

Page 3: ...tics 12 1 5 7 An Application Circuit 13 1 6 Evaluation Board 14 1 6 1 Parts 15 1 6 2 Demension 17 2 Installation and Test 18 2 1 IPv6 address 18 2 2 Installation 18 2 2 1 Setting Network Aera 19 2 3 Simple Test 21 3 Configuration 24 3 1 Configuration with ezManager 24 3 1 1 Configuration via LAN 24 3 1 2 Configuration via Serial 25 3 2 AT command 26 4 Operation Modes 27 4 1 What is the Operation M...

Page 4: ... 5 3 2 Examples 39 5 4 UDP 42 5 4 1 Key parameters 42 5 4 2 Examples 43 6 System Management 45 6 1 Upgrading Firmware 45 6 1 1 Firmware 45 6 1 2 Processes 45 6 2 Status Monitoring 47 6 2 1 Using TELNET 47 6 2 2 Using ezManager 50 7 Additional Functions 54 7 1 SSL 54 7 1 1 What is the SSL Secure Socket Layer 54 7 1 2 How to set the SSL 54 7 1 3 Restriction 55 7 2 Access Restriction ezTCP Firewall 5...

Page 5: ...ger 62 9 2 Connection Problem over TCP IP 63 9 3 Data Communication Problem on the Serial 64 10 Related Material 65 10 1Technical Documents 65 10 2Smart phone Application 65 11 Technical Support and Warranty 66 11 1Technical Support 66 11 2Warranty 66 11 2 1 Refund 66 11 2 2 Free Repair Services 66 11 2 3 Charged Repair Services 66 12 Precaution and Exemption from Liability 67 12 1Precaution 67 12...

Page 6: ...y used in modern computing environment By providing Internet connection to serial communication devices CSE M53N enables them to overcome these limitations Specifically CSE M53N which has TCP IP stack and serial communication capability converts serial data to TCP IP data and vice versa 1 2 Main Features Very compact module type 20mm x 24mm IPv4 IPv6 dual stack Stateless Stateful DHCPv6 address au...

Page 7: ...stems Co Ltd 6 http www ezTCP com 1 3 Examples of Application 1 1 Connection between a serial device and a PC Figure 1 1 1 1 connection with a PC Serial device connecting to LAN Local Area Network via CSE M53N Figure 1 2 Application to LANs ...

Page 8: ...E M53N connecting a serial device to the Internet via cable networks Serial device connecting to the Internet via CSE M53N and a IP Share Router Figure 1 4 CSE M53N connecting a serial device to the Internet via IP Share Router 1 4 Components CSE M53N s Main Body Evaluation Board for CSE M53N Optional RS232 Cross Cable Optional DC 5V Power Adapter Optional ...

Page 9: ... Storage 40 85 RoHS RoHS Compliant Table 1 1 hardware specification 1 5 2 Software Protocol TCP UDP IPv4 IPv6 dual stack ICMPv6 TCPv6 UDPv6 ICMP ARP DHCP PPPoE DNS DDNS Dynamic DNS Telnet SSL Telnet COM Port Control Option RFC 2217 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 C...

Page 10: ...CSE M53N User Manual Ver 2 5 Sollae Systems Co Ltd 9 http www ezTCP com 1 5 3 Demension The dimension of CSE M53N is followed Unit mm Figure 1 5 dimensions of CSE M53N ...

Page 11: ...mitted Low Output 10 LINK_LED LINK LED Connected with a LAN network Low Output Table 1 3 JP1 JP2 Name Description Direction 1 VDD_3 3V DC 3 3V volt power VDD 2 RST System Reset Low Active Valid time for giving Low signal duration over 200us is recommended Normally it is input When reset it outputs low signal Input Output 3 ISP Changing modes Input 4 GND Ground 5 RXD UART IN Input 6 TXD UART OUT Ou...

Page 12: ...om State Wave form In ISP mode In Serial Configuration mode When any IP addresses have not been assigned When IP addresses have been assigned but not connected with a remote host on TCP Connected with a remote host on TCP Table 1 5 STS_LED operation depending on the state ...

Page 13: ... 1 1 5 2 Flow control NONE RTS CTS Xon Xoff Table 1 6 serial port parameters 7 data bits with NONE parity is not supported 1 5 6 Electrical characteristics Symbol Description Condition Min Max Unit VDD Standard operating voltage 2 0 3 6 V VIH High level input voltage VDD 3 3V 1 833 3 6 V VIL Low level input voltage 0 3 1 164 V VOH High level output voltage CMOS port IIO 8mA 2 7V VDD 3 6V 2 4 V VOL...

Page 14: ... 13 http www ezTCP com 1 5 7 An Application Circuit Figure 1 6 an Application Circuit It is required to use a RJ45 embedded with a pulse transformer When an RST 2 on JP2 interfaces with MCU or Logic output an 1KΩ resistor should be connected in series ...

Page 15: ...tems Co Ltd 14 http www ezTCP com 1 6 Evaluation Board Evaluation board for CSE M53N is equipped a RS45 connector and a D SUB 9 pin Male connector including the 5V DC power connector Figure 1 7 EVB1 for CSE M53N Figure 1 8 EVB2 for CSE M53N ...

Page 16: ...tor Terminal for connecting DC 5V Power RJ45 Connector Terminal for connecting UTP cable for Ethernet D SUB 9 Male Connector Terminal for connecting 9 pin D SUB connecter for RS 232 JP5 Only used at the Factory When producing the product LED Group 1 Name Color Description RXD D1 Green Blinks when CSE M53N receives data from the serial port TXD D2 Blinks when CSE M53N sends data to the serial port ...

Page 17: ...y second when CSE M53N is in normal mode Blinks 4times at once when any IP addresses have not been assigned to CSE M53N from DHCP or PPPoE servers Table 1 10 LED Group 2 Reset S W S W for re supplying the power to the EVB JP7 A port for changing modes Division 3 3V ISP GND Normal ISP Serial Configuration less than 1 sec Figure 1 10 JP7 for Changing modes LED Groups 3 Name Color Description PWR D10...

Page 18: ...CP com 1 6 2 Demension Figure 1 11 Dimension of evaluation board The size of two evaluation board is the same 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 19: ... has a lot of merits on addressing capability packet handling process and security however the devices or software for Ipv4 are not allowed on Ipv6 network due to the different addressing protocol structure For this CSE M53N was developed to be available on both networks by supporting dual stack 2 2 Installation Before testing CSE M53N users should connect both serial and Ethernet port to a PC It ...

Page 20: ... 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 Figure 2 2 adding...

Page 21: ...y 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 Ipv6 NONE Option TELNET Checked IP Address Search Checked Serial Port COM1 Serial Type RS232 Baud Rate 19 200bps Parity NONE Data Bits 8...

Page 22: ...the CSE M53N via LAN Figure 2 3 settings for TCP connection Select TCP Client Input correct IP address and port number of CSE M53N 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 M53N is connected to Make sure that all the parameters are the same with CSE M53N Press the Open button ...

Page 23: ...Co Ltd 22 http 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 24: ...m Data transmission 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 25: ...er Figure 3 1 initial appearance of ezManager 3 1 1 Configuration via LAN Checklists Make sure the connection between your PC and CSE M53N 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 26: ... LOW less than 1 second you can enter the mode After this 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 CSE M53N is connected with Open the COM port with the Open button Load the setting with Read button Refer to the ezManager manua...

Page 27: ...an be configured 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 opt...

Page 28: ...meters 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 Figure 4 1 How to entering each mode Put the ISP pi...

Page 29: ... Server Wait connection request from TCP clients Passive Connection TCP Client Send connection request to a TCP server Active Connection AT Command Control connections by AT commands Active Passive Connection UDP Communicate in block units without connection Table 4 2 comparison of communication mode Name Protocol Connection Modifying software of serial devices Serial configuration Topology TCP Se...

Page 30: ...ways to enter ISP mode One is to apply LOW signal to ISP pin for over 1 second the other is to apply power on CSE M53N while ISP pin is connected to GND Entering the ISP mode is used for two purposes in the below chapters 4 6 1 4 6 2 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 Upgradin...

Page 31: ...g event bytes users can handle the serial data before a TCP connection is established Value Description 0 CSE M53N doesn t send the data Otherwise 512 or under CSE M53N 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 M53N tries to...

Page 32: ...ates CSE M53N 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 Table 5 2 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 s...

Page 33: ...on requests 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 Table 5 3 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 ...

Page 34: ... is set to 5 Points States Data communication on both sides The last segment has been arrived at the CSE M53N 5 seconds are passed with no data communication CSE M53N has sent disconnection request FIN to a remote host Processes of the disconnection The connection has been terminated CSE M53N is listening to connection requests Table 5 4 states of each points ...

Page 35: ...s 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 M53N does not send the data Otherwise 512 or under CSE M53N sends the...

Page 36: ... that 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 Table 5 7 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 sen...

Page 37: ... Sends connection 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 Table 5 8 states of each points As you can see in the figure 5 5 CSE M53N 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 a...

Page 38: ... The connection has been established CSE M53N is on line and processes of the disconnection The connection has been terminated Both sides are offline Sends TCP connection request segment Table 5 9 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 settin...

Page 39: ...P 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 Gatew...

Page 40: ...e AT command mode CSE M53N listens TCP connection requests with the ATA command CSE M53N is listening TCP connection requests A remote host has sent SYN segment to CSE M53N Processes of TCP connection TCP connection has been established CSE M53N sends CONNECT message to the serial port Table 5 11 states of each points Most of the response messages from the serial port of CSE M53N are omitted on ab...

Page 41: ...ctive connection Figure 5 8 TCP Active connection Points States Set parameters in the AT command mode CSE M53N sends a TCP connection request with the ATD command Processes of TCP connection TCP connection has been established CSE M53N sends CONNECT message to the serial port Table 5 12 states of each points ...

Page 42: ... connection with ATH command Processes of TCP disconnection TCP connection has been terminated CSE M53N sends NO CARRIER with disconnection Table 5 13 states of each points CSE M53N 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 M53N processes only AT command Whenever you want to go back to online st...

Page 43: ... Size Byte Block Size Byte is to set the time to gather data in one block Its unit is byte If the data in configured size of the Block Size Byte comes into the serial port CSE M53N will send them as one block to the network The maximum value could be 1460 bytes Dynamic update of Peer host If you set the value of Peer Address and Peer Port to 0 dynamic update of peer host function is activated By u...

Page 44: ...Points States CSE M53N is receiving data from the serial port CSE M53N Sends 5 bytes as one block based on the Block Size Serial device sends data 678 to the CSE M53N Data 678 has arrived CSE M53N sends data from the remote host to the serial device 2byte time has passed CSE M53N sends data 678 based on the Data frame Table 5 14 states of each points ...

Page 45: ... Peer Port 0 Table 5 15 setting for dynamic update of peer host function Figure 5 11 time chart for dynamic update of peer host Points States Remote host 2 sends data to CSE M53N CSE M53N sets host 2 to peer host Remote host 1 sends data to CSE M53N CSE M53N updates host 1 to peer host Remote host 2 sends data again to CSE M53N CSE M53N updates host 2 to peer host CSE M53N can communicate with rem...

Page 46: ...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 M53N 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 Figure 6 1 running TFTP client Check the Advanced Menu check box Clic...

Page 47: ...2 5 Sollae Systems Co Ltd 46 http www ezTCP com 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 48: ...let users check each state Command Option Description Usage st net Ipv4 Network Status lsh st net net6 Ipv6 Network Status lsh st net6 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 1 100 Serial Data Capturing Stops lsh sd 1 0 exit Telnet Session Exit lsh exit Table 6 1 Commands for checking st...

Page 49: ...e 6 5 st net6 command st sio st sio command displays the number of bytes for the serial port lsh st sio port fmax rbmax rxbuf txbuf rx_count tx_count com1 0 0 0 0 0 0 lsh Figure 6 6 st sio command st uptime st uptime command shows amount of time since CSE M53N boots up lsh st uptime 00 05 19 16 up 0 days lsh Figure 6 7 st uptime command sc sc command is used when users close a session OP1 means th...

Page 50: ...00ms lsh tx1 30 31 32 33 34 35 36 37 01234567 rx1 30 31 32 33 34 35 36 37 01234567 Figure 6 9 sd command Below is the example of how to stop capturing a serial data lsh sd 1 0 com1 dump stop lsh Figure 6 10 serial data capturing stops exit exit command is used when users close Telnet session lsh exit Figure 6 11 exit command In case of the sc command you should use only small letters You can downl...

Page 51: ...status window the status is automatically updated in every second Figure 6 12 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 M53N boots up IP4 NETWORK INFORMATION All information about related items with Ipv4 Address is shown here It works even if the IP address is assigned from D...

Page 52: ...nection 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 num...

Page 53: ...ice has information about the opponent after it sends Neighbor Solicitation and receives Neighbor Advertisement STALE The device will change into STALE state after some time later reaching REACHABLE DELAY The device will change into DELAY state if there is no response to Neighbor Solicitation In this case CSE M53N will not be able to communicate with the device PROBE CSE M53N will resend the reque...

Page 54: ... Ltd 53 http www ezTCP com IP address Conflict Detection By clicking this button you can find devices which have the same IP address to yours on the network Figure 6 13 Without IP address conflict detection Figure 6 14 IP address conflict detection ...

Page 55: ...et The SSL works over TCP 7 1 2 How to set the SSL To works for SSL you have to set the SSL related parameters as the following steps Set the SSL check box in the ezManager Check the SSL of the Option tab of the ezManager Figure 7 1 Setting of Option After check the Advanced Menu of the ezManager Click the Certificate Figure 7 2 Create the certification Choice the Write self signed certificate Fig...

Page 56: ...ormation in Self signed certificate Figure 7 4 Input the information Check a success message Figure 7 5 Check of success message 7 1 3 Restriction If user set the SSL with the CSE M53N the other device have to set the SSL Maximum baud rate of serial port is the 115 200bps Cannot use SSL feature in Ipv6 ...

Page 57: ...5 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 Ipv4 range Apply to ezManager Apply to ezManager is for applying above two restrictions to ezManager functions like Search Read Write and etc Examples for Ipv6 Ipv6 Address Prefix Allowed IP Address Range 2001 DB8 100 64 2001 DB8 1 2001 DB8 FFFF FFFF FFFF FFFF 2001 DB8 100 128 2001 DB8 100 Table ...

Page 58: ...unt and create host names on the website of Dyn before you use All about service usage of DDNS could be changed according to the policy of Dyn Dyn website https dyn com Figure 8 1 setting DDNS Select the DDNS dyndns org 40 320 is a fixed value Input the ID of Dyn 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 server and ...

Page 59: ...remote host right after the connection is established By using this function a server can identify multiple devices with the information Figure 8 2 setting of Sending MAC Address function Move to the Option tab Check the Send MAC Address option You can use Send MAC Address and SSL at the same time Refer to the Sending MAC Address Function document on our website for details ...

Page 60: ... you use this option CSE M53N sends the data from the serial port to LAN as quickly as possible 8 3 2 Separator Using this function you can control the length of network packets by specific characters Separator options Length select the length between 0 4 bytes Operation Transmit Separators without additional bytes Transmit Separators 1 byte Transmit Separators 2 bytes Table 8 1 separator ...

Page 61: ...ls 8 3 4 TCP Server Client mode This mode is available on TCP client mode only In this mode you do not need to change the mode for switching active or passive TCP connection Note that the Event Byte option should be set to more than 1 Refer to the TCP Server Client mode document on our website for details CSE M53N s Data Frame interval is configured 2byte data interval Before sending data from the...

Page 62: ...ault values Using Factory Reset Connect pin ISP to GND input LOW signal Connect pin ISP to GND input LOW signal over 10 seconds Factory Reset will be automatically implemented to default values Disconnect the two pins from GND Reboot Setting custom default values Change the mode to Serial Configuration mode Save custom default values by ezManager or serial configuration commands Input the command ...

Page 63: ...earching CSE M53N Most of vaccine programs have firewall functions so it can cause some trouble to search CSE M53N Stop these programs before the searching Stable supply of the power Check if the power is supplied continually Connection with the network Make sure that the network connection is fine including Ethernet cable In this step we recommend that users connect CSE M53N with PC directly or i...

Page 64: ...onment 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 M53N is operating in the ISP or Serial Configuration mode Communication Mode To make TCP connection b...

Page 65: ...k if the connection of each pin is right Using cables users choose the right type of cable which is suitable for the device Figure 9 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 ...

Page 66: ...l 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 10 2 Smart phone Application ezManager for iOS ezManager Lite for Android TCP IP Console for iOS TCP IP Client for Android ...

Page 67: ...d Upon the customer s request to refund the product within two weeks after purchase Sollae Systems will refund the product 11 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 repl...

Page 68: ... 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 n...

Page 69: ... limited to cars planes trucks boats aircraft helicopters etc In the same way the CSE M53N 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 M53N voluntarily or involuntarily for such unaut...

Page 70: ...re commercial ou de toute autre perte financière provenant de l utilisation ou de l incapacité à pouvoir utiliser le CSE M53N même si Sollae Systems Co Ltd ou un de ses distributeurs a été informé de la possibilité de tels dommages Le CSE M53N est exclusivement prévu pour un usage en intérieur dans un environnement sec et non poussiéreux Le CSE M53N n est pas prévu ni autorisé pour être utilisé en...

Page 71: ...ctionnements et ou la destruction du CSE M53N sans que la responsabilité de Sollae Systems Co Ltd et de ses distributeurs ne puissent être mise en cause ni que le CSE M53N 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 CSE M53N indique que vous ne pouvez pas vous débarrasser de ce dernier de la...

Page 72: ...ed contents of Peer address Sara Lee 2015 03 03 1 9 Added contents of an Application Circuit Sara Lee 2015 05 14 2 0 Modify the descriptions and figures Modify the French version of Exemption from Liability Sara Lee 2016 04 12 2 1 Add explanation for telnet login Modify the description about 4 6 ISP Mode Added contents of telnet command sd close Modify the description of Factory Reset Sara Lee 201...

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