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2: Introduction

EDS Device Servers User Guide

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investment in serial technology, while taking advantage of the highest data-protection
levels possible.

SSH and SSL can:

Verify the data received came from the proper source

Validate that the data transferred from the source over the network has not
changed when it arrives at its destination (shared secret and hashing)

Encrypt data to protect it from prying eyes and nefarious individuals

Provide the ability to run popular M2M protocols over a secure SSH connection

In addition to keeping data safe and accessible, the EDS has robust defenses to hostile
Internet attacks such as denial of service (DoS), which can be used to take down the
network. Moreover, the EDS cannot be used to bring down other devices on the network.

The EDS can be used with Lantronix’s Secure Com Port Redirector (SCPR) to encrypt
COM port-based communications between PCs and virtually any electronic device.
SCPR is a Windows application that creates a secure communications path over a
network between the computer and serial-based devices that are traditionally controlled
via a COM port. With SCPR installed at each computer, computers that were formerly
“hard-wired” by serial cabling for security purposes or to accommodate applications that
only understood serial data can instead communicate over an Ethernet network or the
Internet.

The EDS also supports a variety of popular cipher technologies including:

Advanced Encryption Standard (AES)

Triple Data Encryption Standard (3DES)

RC4

Hashing algorithms such as Secure Hash Algorithm (SHA-1) and MD5

Troubleshooting Capabilities

The EDS offers a comprehensive diagnostic toolset that lets you troubleshoot problems
quickly and easily. Available from the Web Manager, CLI, and XML interfaces, the
diagnostic tools let you:

View critical hardware, memory, MIB-II, buffer pool, and IP socket information.

Perform ping and traceroute operations.

Conduct forward or backup DNS lookup operations.

View all processes currently running on the EDS, including CPU utilization and
total stack space available.

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Содержание EDS16PR

Страница 1: ...Part Number 900 433 Revision F November 2007 EDS Device Servers Terminal Servers User Guide EDS4100 EDS8PR EDS16PR EDS32PR ...

Страница 2: ... of this equipment in a residential area is likely to cause interference in which case the user at his or her own expense will be required to take whatever measures may be required to correct the interference Changes or modifications to this device not explicitly approved by Lantronix will void the user s authority to operate this device Attention With the purchase of the EDS the OEM agrees to an ...

Страница 3: ...oubleshooting Capabilities ______________________________________________ 17 Applications _______________________________________________________ 18 Building Automation Security ______________________________________________ 18 Industrial Automation ____________________________________________________ 18 Medical Healthcare______________________________________________________ 18 Retail Automation ...

Страница 4: ...onfiguration Methods_______________________________________________ 34 Configuring from the Web Manager Interface _________________________________ 34 Configuring via an SSH Telnet Session or Serial Port Using the CLI _______________ 34 Configuring from the XML Interface _________________________________________ 35 6 Configuration Using the Web Manager 36 Accessing the Web Manager through a Web Br...

Страница 5: ...___________ 85 RSS Page ________________________________________________________ 88 LPD Pages________________________________________________________ 89 LPD Statistics Page _____________________________________________________ 90 LPD Configuration Page _________________________________________________ 91 9 Security Settings 93 SSH Pages _______________________________________________________ 93 SS...

Страница 6: ...ages ______________________________________________________ 131 XML Export Configuration Page __________________________________________ 131 XML Export Status ____________________________________________________ 133 XML Import Configuration Page __________________________________________ 135 12 Updating Firmware 141 Obtaining Firmware ________________________________________________ 141 Upgrading ...

Страница 7: ...______________________________________________ 152 Query Port Settings ________________________________________________ 152 System Settings___________________________________________________ 153 Real Time Clock___________________________________________________ 153 Protocol Stack ____________________________________________________ 153 TCP __________________________________________________________...

Страница 8: ...________________________________________ 170 Rack Mounting ________________________________________________________ 170 Input Supply __________________________________________________________ 171 Grounding____________________________________________________________ 171 G Warranty 172 Index 173 Figures Figure 2 1 EDS4100 4 Port Device Server 14 Figure 2 2 EDS16PR Device Server 15 Figure 3 1 Front V...

Страница 9: ...uthentication Page 86 Figure 8 9 RSS Page 88 Figure 8 10 LPD Statistics Page 90 Figure 8 11 LPD Configuration Page 91 Figure 9 1 SSH Server Host Keys Page 94 Figure 9 2 SSH Server Authorized Users Page 96 Figure 9 3 SSH Client Known Hosts Page 97 Figure 9 4 SSH Client Users Page 99 Figure 9 5 SSL Page top 101 Figure 9 6 SSL Page Bottom 102 Figure 10 1 Filesystem Statistics Page 106 Figure 10 2 Fil...

Страница 10: ... XML Export Status Page 134 Figure 11 7 XML Import Configuration Page 135 Figure 11 8 XML Import Configuration from External File 136 Figure 11 9 XML Import from Filesystem 137 Figure 11 10 XML Import Line s from Single Line Settings on the Filesystem 139 ...

Страница 11: ...r and viewing current configuration settings Introduces methods of configuring the EDS 6 Configuration Using the Web Manager Instructions for using the web interface to configure EDS device servers 7 Network Line Tunnel and Terminal Settings Instructions for using the web interface to configure network serial line and tunnel settings 8 Services Settings Instructions for using the web interface to ...

Страница 12: ...ation on the Lantronix warranty for the EDS Additional Documentation The following guide is available on the product CD or the Lantronix Web site www lantronix com Document Description EDS Device Server Quick Start Guide Provides the steps for getting the EDS up and running EDS Device Server Command Reference Describes how to configure the EDS using Telnet or the serial port and summarizes the CLI...

Страница 13: ...computing and networking platform for integrating edge equipment into the enterprise network rack mountable EDS models are available in 8 16 and 32 port configurations EDS4100 Overview The EDS4100 is a compact easy to use device server that gives you the ability to network enable asynchronous RS 232 and RS 422 485 serial devices It can deliver fully transparent RS 232 422 point to point connection...

Страница 14: ...om Access Memory RAM Based on Lantronix s Evolution OS Supports secure data encryption by means of AES SSH or SSL sessions Supports three convenient configuration methods Web command line and XML Print server functionality LPR LPD EDS8PR EDS16PR and EDS32PR Overview The EDS8PR 8 serial ports EDS16PR 16 serial ports and EDS32PR 32 serial ports are compact easy to use rack mountable device servers t...

Страница 15: ...Memory RAM Based on Lantronix s Evolution OS Includes a dedicated console port Supports secure data encryption by means of AES SSH or SSL sessions Supports three convenient configuration methods Web command line and XML Print server functionality LPR LPD Evolution OS EDS device servers incorporate Lantronix s Evolution OS Key features of the Evolution OS include Built in Web server for configurati...

Страница 16: ...ions where device management and monitoring are critical These features allow networks with SNMP capabilities to correctly diagnose and monitor EDS device servers XML Based Architecture and Device Control XML is a fundamental building block for the future growth of M2M networks The EDS supports XML based configuration setup records that makes device configuration transparent to users and administr...

Страница 17: ... SCPR is a Windows application that creates a secure communications path over a network between the computer and serial based devices that are traditionally controlled via a COM port With SCPR installed at each computer computers that were formerly hard wired by serial cabling for security purposes or to accommodate applications that only understood serial data can instead communicate over an Ethe...

Страница 18: ...gy operating costs through centralized management and monitoring Industrial Automation Today s manufacturing facilities face the common challenges of productivity improvements inventory management and quality control From warehouse to automotive environments the need to attach the following devices whether new or legacy continues to grow Programmable Logic Controllers PLCs Computer Numeric Control...

Страница 19: ...e scanners scales cash registers and receipt printers Terminal Server Console Management Remote offices can have routers PBXs servers and other networking equipment that require remote management from the corporate facility The EDS easily attaches to the serial ports on a server Private Branch Exchange PBX or other networking equipment to deliver central remote monitoring and management capability...

Страница 20: ... serial device Ports 1 and 3 also support RS 422 485 and can accommodate 31 full load RS 485 multi drop devices or 127 quarter load RS 485 multi drop devices per port for a total of 62 full load or 254 quarter load devices A serial cable for each serial device to be connected to the EDS4100 One end of the cable must have a female DB9 connector to connect to the EDS4100 serial port The connector on...

Страница 21: ...e hardware components on the back of the EDS4100 Figure 3 1 Front View of the EDS4100 Figure 3 2 Back View of the EDS4100 The bottom of the EDS4100 not shown has a product information label This label contains the following information Bar code Serial number Product ID name Product description Hardware address also referred to as Ethernet or MAC address Agency certifications ...

Страница 22: ...ssignments Serial ports 1 and 3 also support RS 422 and RS 485 serial devices See Figure 3 4 for pin assignments All four serial ports are configured as DTE and support baud rates up to 230 400 baud Figure 3 3 RS 232 Serial Port Pins Serial Ports 1 2 3 4 Figure 3 4 RS 422 RS 485 Serial Port Pins Note Multi drop connections are supported in 2 wire mode only RS 422 485 4 wire Pin Assignments Serial ...

Страница 23: ...ource to the unit Figure 3 5 Terminal Block Connector Pin Assignments Pin Signal Top V Middle V Bottom Ground LEDs Light emitting diodes LEDs on the front and back panels show status information Back panel Each serial port has a Transmit and a Receive LED The Ethernet connector has Speed and Activity LEDs In addition the back panel has a Power LED and a Status LED Front panel The front panel has a...

Страница 24: ...he EDS4100 serial port to a DCE device use a straight through modem cable To connect the EDS4100 to one or more serial devices use the following procedure Note We recommend you power off the serial devices that will be connected to the EDS4100 1 For each serial device you want to connect attach a serial cable between the EDS4100 and your serial device 2 Connect an Ethernet cable between the EDS410...

Страница 25: ...100 powers up automatically After power up the self test begins and Evolution OS starts Note These power up methods can be used together to provide a redundant power source to the unit 4 Power up all connected serial devices Figure 3 7 Example of EDS4100 Connections ...

Страница 26: ...ort supports a directly connected RS 232 serial device A serial cable for each serial device to be connected to the EDS8 16 32PR All devices attached to the device ports support the RS 232C EIA 232 standard Category 5 cabling with RJ45 connections is used for the device port connections Note To connect an EDS8 16 32PR serial port to a DTE device you need a DTE cable such as the one supplied in you...

Страница 27: ... the hardware components on the front of the EDS16PR Figure 3 2 shows the hardware components on the back of the EDS16PR Figure 4 1 Front View of the EDS16PR Figure 4 2 Back View of the EDS16PR The bottom of the EDS8 16 32PR has a product information label This label contains the following information Bar code Serial number ...

Страница 28: ...D on the back of the EDS8 16 32PR shows the connection of the attached Ethernet network The EDS8 16 32PR can be configured to operate at a fixed Ethernet speed and duplex mode half or full duplex or auto negotiate the connection to the Ethernet network LEDs Light emitting diodes LEDs on the front and back panels show status information Back panel Each serial port has a Transmit and a Receive LED T...

Страница 29: ...ng a Suitable Location You can install the EDS8 16 32PR either in an EIA standard 19 inch rack 1U tall or as a desktop unit If using AC power avoid outlets controlled by a wall switch Connecting the EDS8 16 32PR All serial ports support RS 232 devices To connect the EDS8 16 32PR to one or more serial devices use the following procedure Note We recommend you power off the serial devices that will b...

Страница 30: ...4 Installation EDS8PR EDS16PR and EDS32PR EDS Device Servers User Guide 30 Figure 4 4 Example of EDS16PR Connections ...

Страница 31: ...other basic network settings For instructions see the online Help Starting DeviceInstaller Follow the prompts to install DeviceInstaller To run DeviceInstaller 1 From the Windows Start menu click StartÆPrograms LantronixÆ DeviceInstallerÆDeviceInstaller 2 Click the EDS folder The list of Lantronix EDS devices available displays 3 Expand the list by clicking the symbol next to the icon for the desi...

Страница 32: ...b The current properties for the EDS display Figure 5 2 lists the EDS properties and whether they are user configurable or read only The properties of the other EDS models are similar except for the number of ports Note On this screen you can change Group and Comments You can only view the remaining properties To change them use one of the EDS configuration methods described on page 34 ...

Страница 33: ...ine Offline the EDS is offline Unreachable the EDS is on a different subnet Busy the EDS is currently performing a task IP Address Displays the EDS s current IP address To change it click the Assign IP button on the DeviceInstaller menu bar IP Address was Obtained Displays the method by which the IP address was obtained Statically assigned manually Dynamically one of the following is True Obtain v...

Страница 34: ...cal point and click interface The advantages to this method are ease of use and location independence With this method you can configure the EDS from any location that has access to a Web browser and the Internet Configuring via an SSH Telnet Session or Serial Port Using the CLI The EDS provides a command line interface CLI designed to enable the configuration and systems management functions that...

Страница 35: ...ets you automate the configuration process using XML configuration files This method is particularly convenient if you have multiple EDS device servers that will use the same configuration settings because you can define a configuration profile that can be imported by and shared among your other EDS device servers For more information see the EDS Command Reference on the product CD or the Lantroni...

Страница 36: ...ard Web browser Note Alternatively access the Web Manager by selecting the Web Configuration tab from DeviceInstaller see Viewing EDS Properties on page 32 To access Web Manager 1 Open a standard Web browser such as Netscape Navigator 6 x and later Internet Explorer 5 5 and later Mozilla Suite Mozilla Firefox or Opera 2 Enter the IP address of the EDS in the address bar The EDS s built in security...

Страница 37: ...word is PASS After you log in to the Web Manager we recommend you use the FTP page to change the default FTP password see page 79 the HTTP Authentication Page to change the HTTP authentication password see page 85 and the Command Line Interface Configuration Page to change the CLI password see page 129 Figure 6 2 Web Manager Device Status Page ...

Страница 38: ...or the EDS8PR 16 tunnels for the EDS16PR and 32 tunnels for the EDS32PR 56 Terminal Displays and lets you change current settings for a terminal 72 Host Displays and lets you change settings for a host on the network 73 DNS Displays the current configuration of the DNS subsystem and lets you change primary and secondary DNS servers 76 SNMP Displays and lets you change the current Simple Network Ma...

Страница 39: ...and lets you browse the filesystem to create a file or directory upload files using HTTP copy a file move a file or perform TFTP actions 105 Protocol Stack Lets you perform lower level network stack specific activities 136 IP Address Filter Lets you specify all the IP addresses and subnets that are allowed to send data to this device 110 Query Port Displays and lets you change configuration settin...

Страница 40: ...6 Configuration Using the Web Manager EDS Device Servers User Guide 40 Figure 6 3 Web Manager Menu Structure 1 of 5 continued on next page ...

Страница 41: ...6 Configuration Using the Web Manager EDS Device Servers User Guide 41 Figure 6 4 Web Manager Menu Structure 2 of 5 continued on next page ...

Страница 42: ...6 Configuration Using the Web Manager EDS Device Servers User Guide 42 Figure 6 5 Web Manager Menu Structure 3 of 5 continued on next page ...

Страница 43: ...6 Configuration Using the Web Manager EDS Device Servers User Guide 43 Figure 6 6 Web Manager Menu Structure 4 of 5 continued on next page ...

Страница 44: ...6 Configuration Using the Web Manager EDS Device Servers User Guide 44 Figure 6 7 Web Manager Menu Structure 5 of 5 ...

Страница 45: ...ge The header always displays at the top of the page The header information remains the same regardless of the page displayed The menu bar always displays at the left side of the page regardless of the page displayed The menu bar lists the names of the pages available in the Web Manager To display a page click it in the menu bar Current Configuration Menu Bar Footer Entry Area Information Area Hea...

Страница 46: ...uration settings After you change settings click the Submit button to apply the change Some settings require the EDS to be rebooted before the settings take effect Those settings are identified in the appropriate sections in this chapter The bottom section shows the current configuration The information area shows information or instructions associated with the page The footer displays at the bott...

Страница 47: ...Device Status page is the first page that displays when you log into the Web Manager It also displays when you click the Status link in the menu bar This read only page shows the EDS product information network settings line settings and tunneling settings Figure 6 10 Device Status Page EDS4100 ...

Страница 48: ...ation Page Clicking the Network link in the menu bar displays the Network Configuration page Here you can change the following EDS network configuration settings BOOTP and DHCP client IP address network mask and gateway MAC address Hostname and domain DHCP client ID Ethernet transmission speed ...

Страница 49: ...7 Network Line Tunnel and Terminal Settings EDS Device Servers User Guide 49 Figure 7 1 Network Configuration ...

Страница 50: ... this value requires the EDS to be rebooted Choices are On EDS sends BOOTP requests on a DHCP managed network This setting overrides the configured IP address network mask gateway host name and domain settings If DHCP is set to On the EDS automatically uses DHCP regardless of whether BOOTP Client is set to On Off EDS does not send BOOTP requests DHCP Client Select whether the EDS IP address is aut...

Страница 51: ...e EDS host name The host name can be up to 31 characters with no spaces Domain Enter the EDS domain name DHCP Client ID Enter a DHCP ID if used by the DHCP server Changing this value requires the EDS to be rebooted Ethernet Link Select the Ethernet link speed Default is Auto Line Settings Pages The Line Settings page displays the status and statistics for each of the serial lines ports This page a...

Страница 52: ...The Line Statistics page displays when you click Line in the menu bar It also displays when you click Statistics at the top of one of the other Line Settings pages This read only page shows the status and statistics for the serial line selected at the top of this page Figure 7 2 Line Statistics Page ...

Страница 53: ...Page If you click Configuration at the top of one of the Line Settings pages the Line Configuration page displays This page shows the configuration settings for the serial line selected at the top of the page and lets you change the settings for that serial line Figure 7 3 Line Configuration Page ...

Страница 54: ...Menu Interface EDS4100 only From the drop down list select the type of serial interface Choices are RS232 RS485 Half Duplex RS485 Full Duplex Baud Rate Select the baud rate for the currently selected serial port Choices are 300 baud to 230 400 baud Default is 9600 baud Custom lets you enter in the Custom text box a speed other than those shown Parity Select the parity used by the currently selecte...

Страница 55: ...e default Xon char is 0x11 Xoff char When Flow Control is set to Software specify Xoff char Prefix a decimal character with or a hexadecimal character with 0x or provide a single printable character The default Xoff char is 0x13 Line Command Mode Page If you click Command Mode at the top of one of the Line Settings pages the Line Command Mode page displays This page shows the command mode settings...

Страница 56: ...No does not echo the characters specified in the Serial String text box Signon Message Enter the boot up signon message to be sent over the serial line at boot time After entering the message select whether the string is a text or binary value Tunnel Pages The Tunnel pages let you view and configure settings for tunnels For more information see Tunneling on page 161 To select a tunnel EDS4100 Clic...

Страница 57: ...ick Serial Settings at the top of one of the Tunnel pages the Tunnel Serial Settings page displays This page shows the settings for the tunnel selected at the top of the page and lets you change the settings If you change the Buffer Size value the EDS must be rebooted for the change to take effect Changing the other values does not require a reboot ...

Страница 58: ... Under Current Configuration Buffer Size has a Reset link that lets you reset the buffer size value shown If you click this link a message tells you that you will have to reboot the EDS Click OK to proceed or Cancel to cancel the operation Figure 7 6 Tunnel Serial Settings Page ...

Страница 59: ... is ignored only when the read buffer completely fills with data Choices are Enabled waits the entire Read Timeout value for incoming data on the serial line Disabled does not wait the entire Read Timeout value for incoming data default Read Timeout Enter the maximum number of milliseconds that the EDS waits for incoming data on the serial line Default is 200 milliseconds DTR Select how DTR should...

Страница 60: ...ter the stop character When this character is read on the serial line it disconnects an active tunnel connection Default is none Echo Start Character Select whether the start character is forwarded or echoed through the selected tunnel when the serial line is read Choices are On echo the start character on the selected tunnel when the serial line is read Off do not echo the start character default...

Страница 61: ...you can select the method for starting a tunnel in Accept mode and select other settings for the tunnel selected at the top of the page Under Current Configuration Local Port has a Reset link if it has been changed from the default If you click this link a message tells you that your action may stop an active connection Click OK to proceed or Cancel to cancel the operation For more information abo...

Страница 62: ...nel 2 and so forth Protocol Select the protocol to be used on the connection Choices are TCP default SSH use this setting if security is a concern When using SSH both the SSH Server Host Keys and SSH Server Authorized Users must be configured See SSH on page 158 SSL Secure Socket Layer Telnet TCP AES use for secure tunneling between two EDS s or software that supports AES such as the Secure Com Po...

Страница 63: ...terminated with one of the following a 0x10 LF b 0x00 c 0x13 0x10 CR LF or d 0x13 0x00 Prompt for Password Indicate whether the user should be prompted for the password upon connection On prompt for a password upon connection Off do not prompt for a password upon connection Tunnel Connect Mode Page Connect Mode determines how the EDS initiates a connection to a remote host or device If you click C...

Страница 64: ...7 Network Line Tunnel and Terminal Settings EDS Device Servers User Guide 64 Figure 7 9 Connect Mode Page ...

Страница 65: ...he remote port to which the selected tunnel will connect Default is none Local Port Enter the number of the local port that will participate in this tunnel Default is Port 1 10001 Port 2 10002 Port 3 10002 and Port 4 10004 and so forth Protocol Select the protocol to use on the connection Choices are TCP default UDP SSH use this setting if security is a concern This setting requires you to enter a...

Страница 66: ...live Specifies the number of milliseconds the EDS waits during an inactive connection before checking the status of the connection If the EDS does not receive a response from the remote host it drops that connection Email on Connect Select whether email should be sent when a connection is made None no email should be sent Email send an email corresponding to the tunnel number Email on Disconnect S...

Страница 67: ... the serial line Modem Control If enabled an active connection is disconnected when the Modem Control pin DSR is de asserted on the serial line Timeout Enter the idle time in milliseconds that must elapse for a connection before it is disconnected Enter 0 zero to disable default Flush Serial Data Select whether the serial line should be flushed when a connection is disconnected Choices are Enabled...

Страница 68: ...the network instead of being sent immediately after being read on the serial line If you click Packing Mode at the top of one of the Tunnel pages the Tunnel Packing Mode page displays Here you can select packing settings for the tunnel selected at the top of the page For more information about Packing mode see Packing Mode on page 164 Figure 7 11 Tunnel Packing Mode Page ...

Страница 69: ...eued data to the network Default is 512 bytes Send Character Enter the send character When this character is read on the serial line it forces the queued data to be sent immediately Default is none Trailing Character Enter the trailing character This character is inserted into the outgoing data stream immediately after the send character Default is none Tunnel Modem Emulation Page A tunnel in conn...

Страница 70: ...ROR is returned for unrecognized AT commands Off OK is returned for unrecognized AT commands default Connect String If required enter a customized string that is sent along with the CONNECT response code Default is none Tunnel AES Keys Page Four Advanced Encryption Standard AES Encryption Keys are used for tunneling Connect mode and Accept mode contain their own sets of keys One key is used for en...

Страница 71: ...is none Accept Mode AES Keys Decrypt Key Enter the AES decrypt key for Accept mode After entering a value select an option to specify whether the value is text or binary Default is none Connect Mode AES Keys Encrypt Key Enter the AES encrypt key for Connect mode After entering a value select an option to specify whether the value is text or binary Default is none Connect Mode AES Keys Decrypt Key ...

Страница 72: ...top of the page select the line that is connected to the terminal you want to configure Figure 7 13 Terminal Page Terminal Page Terminal Page Settings Description Terminal Type Enter text to describe the type of terminal The text will be sent to a host via IAC Note IAC means interpret as command It is a way to send commands over the network such as send break or start echoing Login Connect Menu Se...

Страница 73: ...disable When the Send Break control character is received from the network on its way to the serial line it is not sent to the line instead the line output is forced to be inactive the break condition Break Duration Enter how long the break should last in milliseconds Host Page Clicking the Host link in the menu bar displays the Host page This page displays current settings for a remote host and l...

Страница 74: ...protocol to use to connect to the host Choices are Telnet SSH Note SSH keys must be loaded or created on the SSH page for the SSH protocol to work SSH Username Displays if you selected SSH as the protocol Enter a username to select a pre configured Username Password Key configured on the SSH Client Users page or leave it blank to be prompted for a username and password at connect time Remote Addre...

Страница 75: ... menu roughly like this Password Connection menu select by number 1 Alpha 2 Beta 3 Exit to command line interface 4 Log out Selection The administrator adds destination serial line M to the menu by filling in Line M Name For this purpose set Line M Protocol None Line M Command Mode Disabled The administrator adds a network destination to the menu by setting up a Host entry for it Each named Host e...

Страница 76: ...any contents in the DNS cache When a DNS name is resolved using a forward lookup the results are stored in the DNS cache temporarily The EDS consults this cache when performing forward lookups Each entry in the cache is removed automatically after a certain period or you can delete it manually Figure 8 1 DNS Page Note If the current configuration shows an address that comes from DHCP or BOOTP the ...

Страница 77: ...Clicking the SNMP link in the menu bar displays the SNMP page This page is used to configure the Simple Network Management Protocol SNMP agent Using this page you can configure the SNMP service to send a trap when it receives a request for information that contains an incorrect community name and does not match an accepted system name for the service Under Current Configuration several settings ha...

Страница 78: ...t is private For security the write community name displays as Configured to show that one is enabled System Contact Enter the name of the system contact No contact is configured by default System Name Enter the EDS s name System Description Enter a system description for the EDS System Location Enter the geographic location of the EDS No location is configured by default Enable Traps Select wheth...

Страница 79: ...that lets you reset the FTP password If you click this link a message asks whether you are sure you want to reset this information Click OK to proceed or Cancel to cancel the operation Figure 8 3 FTP Page FTP Page FTP Page Settings Description FTP Server Select whether the FTP server is enabled Choices are On FTP server is enabled default Off FTP server is disabled FTP Username Enter the username ...

Страница 80: ... Settings Description TFTP Server Select whether the TFTP server is enabled Choices are On TFTP server is enabled default Off TFTP server is disabled Allow TFTP File Creation Select whether the TFTP server can create a file if it does not already exist If you enable this feature it exposes the EDS to possible Denial of Service DoS attacks against the filesystem Choices are On files can be created ...

Страница 81: ...number of the local port on the EDS to which system logs are sent The system log is always saved to local storage but it is not retained through reboots Saving the system log to a server that supports remote logging services see RFC 3164 allows the administrator to save the complete system log history The default is 514 Remote Port Enter the number of the port on the remote server that supports lo...

Страница 82: ...olling log with the last Max Log Entries lines cached and viewable To change the maximum number of entries that can be viewed go to the HTTP Configuration page described on page 82 Figure 8 6 HTTP Statistics Page HTTP Configuration Page If you click Configuration at the top of one of the HTTP pages the HTTP Configuration page displays Here you can change HTTP configuration settings Under Current C...

Страница 83: ...8 Services Settings EDS Device Servers User Guide 83 Figure 8 7 HTTP Configuration Page ...

Страница 84: ...ice DoS attacks against the HTTP Server Default is 40960 bytes Logging Select whether the HTTP log is enabled Choices are On HTTP log is enabled default Off HTTP log is disabled Max Log Entries Enter the maximum number of entries that can be cached and viewed in the HTTP log The HTTP log is a scrolling log with only the last Max Log Entries lines cached and viewable Default is 50 Log Format Enter ...

Страница 85: ...owing example shows how to add authentication to user loaded web pages in a directory called port1control 1 Create a directory called port1control in the EDS s files system and under the http directory using an FTP client Windows Explorer or the EDS Web Manager 2 Copy the custom web pages to this directory 3 On the HTTP Authentication page of the EDS Web Manager add A URI of port1control A Realm o...

Страница 86: ...8 Services Settings EDS Device Servers User Guide 86 Figure 8 8 HTTP Authentication Page ...

Страница 87: ...g Base64 Digest encodes passwords using MD5 Default SSL page can only be accessed over SSL no password SSL Basic page can only be accessed over SSL encodes passwords using Base64 SSL Digest page can only be accessed over SSL encodes passwords using MD5 SSL alone does not require a password but all data transferred to and from the HTTP Server is encrypted There is no reason to create an authenticat...

Страница 88: ...stead of actively searching for EDS configuration changes RSS feeds allow viewing of only relevant and new information regarding changes made to the EDS via an RSS publisher Under Current Configuration Data has View and Clear links If you click View the data displays If you click Clear a message asks whether you are sure you want to delete this information Click OK to proceed or Cancel to cancel t...

Страница 89: ...ewable To be notified automatically about any configuration changes that occur register the RSS feed within your favorite RSS aggregator Default is 100 Each RSS feed entry is prefixed with a timestamp LPD Pages In addition to its other functions the EDS acts as a print server if a printer is connected to one of its serial ports Clicking the LPD Line Printer Daemon link in the menu bar displays the...

Страница 90: ...tistics Page The LPD Statistics page displays when you click LPD in the menu bar It also displays when you click Statistics at the top of one of the other LPD pages This read only page shows various statistics about the LPD server Figure 8 10 LPD Statistics Page ...

Страница 91: ...ice Servers User Guide 91 LPD Configuration Page If you click Configuration at the top of one of the LPD pages the LPD Configuration page displays Here you can change LPD configuration settings Figure 8 11 LPD Configuration Page ...

Страница 92: ...re sending the print data End of Job Select Enabled to send an end of job string Formfeed Select Enabled to force the printer to advance to the next page at the end of each print job Convert Newlines Select Enabled to convert single newlines and carriage returns to DOS style line endings SOJ String If Start of Job above is enabled enter the string to be sent to the printer at the beginning of a pr...

Страница 93: ... top of one of the other SSH pages Here you can generate new keys or upload files containing the keys SSH server private and public host keys are used by all applications that play the role of an SSH server specifically the CLI and Accept mode tunneling These keys can be created elsewhere and uploaded to the device or generated on the device Under Current Configuration Public RSA Key and Public DS...

Страница 94: ...9 Security Settings EDS Device Servers User Guide 94 Figure 9 1 SSH Server Host Keys Page ...

Страница 95: ...r use the Browse button to select the key Key Type Select a key type to be used Choices are RSA use this key with SSH1 and SSH2 protocols DSA use this key with the SSH2 protocol Create New Keys Key Type Select a key type to be used for the new key Choices are RSA use this key with the SSH1 and SSH2 protocols DSA use this key with the SSH2 protocol Bit Size Select a bit length for the new key Choic...

Страница 96: ...SSH into the CLI or open an SSH connection to a device port Every account must have a password The user s public keys are optional and only necessary if public key authentication is wanted Using public key authentication allows a connection to be made without the password being asked Under Current Configuration User has a Delete User link and Public RSA Key and Public DSA Key have View Key and Del...

Страница 97: ... password is required Public DSA Key Enter the path and name of the existing public DSA key you want to use with this user or use the Browse button to select the key If authentication is successful with the key no password is required SSH Client Known Hosts Page If you click SSH Client Known Hosts at the top of one of the SSH pages the SSH Client Known Hosts page displays Here you can change SSH c...

Страница 98: ...n to select the key SSH Client Users Page If you click SSH Client Users at the top of one of the SSH pages the SSH Client Users page displays Here you can change SSH client settings for users SSH client hosts are used by all applications that play the role of an SSH client specifically tunneling in Connect mode At the very least a password or key pair must be configured for a user The keys for pub...

Страница 99: ...9 Security Settings EDS Device Servers User Guide 99 Figure 9 4 SSH Client Users Page ...

Страница 100: ...g public key you want to use with this SSH client user or use the Browse button to select the key Key Type Select the key type to be used Choices are RSA use this key with the SSH1 and SSH2 protocols DSA use this key with the SSH2 protocol Create New Keys Username Enter the name of the user associated with the new key The user must already exist Key Type Select the key type to be used for the new ...

Страница 101: ...utomatically generated on the device A certificate generated on the device will be self signed If uploading an existing SSL certificate be sure the private key will not be compromised in transit This implies the data is uploaded over some kind of secure private network At the bottom of this page is the current SSL certificate if any Under Current SSL Certificate there is a Delete link If you click...

Страница 102: ...9 Security Settings EDS Device Servers User Guide 102 Figure 9 6 SSL Page Bottom ...

Страница 103: ...province to be assigned to the new self signed certificate Locality City Enter the city or locality to be assigned to the new self signed certificate Organization Enter the organization to be associated with the new self signed certificate Example If your company is called Widgets and you are setting up a Web server for the Sales department enter Widgets for the Organization Organization Unit Ente...

Страница 104: ...cription Bit Size Select the bit size of the new self signed certificate Choices are 512 768 1024 Using a larger bit size takes more time to generate the key Approximate times are 10 seconds for a 512 bit RSA key 1 minute for a 768 bit RSA key 2 minutes for a 1024 bit RSA key ...

Страница 105: ...tics page displays when you click Filesystem in the menu bar It also displays when you click Statistics at the top of the Filesystem Browser page This page displays various statistics and current usage information of the flash filesystem The Actions row provides Compact and Format links for compacting or formatting the filesystem Only a system administrator should perform these tasks Note Compact ...

Страница 106: ...tem Browser Page If you click Browse at the top of a Filesystem page the Filesystem Browser page displays Here you can browse and manipulate the entire filesystem For example you can Browse the filesystem Create files and directories Upload files via HTTP HTTPS Copy and move files Transfer files to and from a TFTP server ...

Страница 107: ...10 Maintenance and Diagnostics Settings EDS Device Servers User Guide 107 Figure 10 2 Filesystem Browser Page ...

Страница 108: ... to move resides Destination Enter the location where you want the file moved After you specify a source and destination click Move to move the file TFTP Action Select the action that is to be performed via TFTP Choices are Get a get command will be executed to store a file locally Put a put command will be executed to send a file to a remote location Mode Select a TFTP mode to use Choices are ASC...

Страница 109: ...you can configure lower level network stack specific configuration settings Under Current State there is a Clear link to remove all addresses and a Remove link to remove the individual address shown If you click Clear or Remove a message asks whether you are sure you want to perform the operation Click OK to proceed or Cancel to cancel the operation Figure 10 3 Protocol Stack Page ...

Страница 110: ...ion click Submit ARP Cache IP Address Enter the IP address of the entry to be added to the Address Resolution Protocol ARP cache MAC Address Enter the MAC address of the entry to be added to the ARP cache After entering an IP address and a MAC address click Submit IP Address Filter Page Clicking the IP Address Filter link in the menu bar displays the IP Address Filter page Here you can specify the...

Страница 111: ...ress Filter Page IP Address Filter Page Settings Description IP Address Enter the IP address that is allowed to send packets to the EDS If using DHCP with BOOTP enter the IP address of the DHCP BOOTP server Network Mask Enter the network mask associated with the IP address that is allowed to send packets to the EDS ...

Страница 112: ...uery port server The query port server is an application that only responds to auto discovery messages on port 0x77FE It is used when DeviceInstaller is used to discover the EDS automatically Figure 10 5 Query Port Page Query Port Page Query Port Page Settings Description Query Port Server Select whether the query port server is enabled or disabled Choices are On query port server is enabled defau...

Страница 113: ... menu bar to display the Diagnostics Hardware page The available diagnostic tools appear at the top of the page Diagnostics Hardware Page The Diagnostics Hardware page displays when you click Diagnostics in the menu bar It also displays when you click Hardware at the top of one of the other Diagnostic pages This read only page displays the current hardware configuration Figure 10 6 Diagnostics Har...

Страница 114: ...displays the various SNMP served Management Information Bases MIBs available on the EDS Information about these MIBs can be found in the following Request for Comments RFCs RFC 1213 Original MIB II definitions RFC 2011 Updated definitions for IP and ICMP RFC 2012 Updated definitions for TCP RFC 2013 Updated definitions for UDP RFC 2096 Definitions for IP Forwarding Figure 10 7 MIB II Network Stati...

Страница 115: ...S Device Servers User Guide 115 IP Sockets Page Clicking IP Sockets from one of the Diagnostics pages displays the IP Sockets page This read only page lists all the network sockets on the EDS that are currently open Figure 10 8 IP Sockets Page ...

Страница 116: ...ics Ping Page Diagnostics Ping Page Settings Description Host Enter the IP address you want the EDS to ping Count Enter the number of ping packets that the EDS should try to send to the Host Default is 3 Timeout Enter the maximum number of seconds that the EDS should wait for a response from the host before timing out Default is 5 seconds ...

Страница 117: ...nternet host showing how many hops the packet requires to reach the host and how long each hop takes If you visit a Web site whose pages appear slowly you can use traceroute to determine where the longest delays are occurring Figure 10 10 Diagnostics Traceroute Page Diagnostics Traceroute Page Diagnostics Traceroute Page Settings Description Host Enter the IP address or DNS host name of the remote...

Страница 118: ...gnostics DNS Lookup Page Settings Description Host Perform one of the following For reverse lookup to locate the hostname for that IP address enter an IP address For forward lookup to locate the corresponding IP address enter a hostname To look up the Mail Exchange MX record IP address enter a domain name prefixed with Diagnostics Memory Page Clicking Memory from one of the Diagnostics pages displ...

Страница 119: ...10 Maintenance and Diagnostics Settings EDS Device Servers User Guide 119 Figure 10 12 Diagnostics Memory Page ...

Страница 120: ...ry management thus eliminating any contention for memory from the generic heap space Figure 10 13 Diagnostics Buffer Pools Page Diagnostics Processes Page Clicking Processes from one of the diagnostics page displays a read only screen that lists all processes running on the EDS The CPU column displays the percentage of total CPU cycles a process used in the last two seconds The Stacks column displ...

Страница 121: ...e process chart is a CPU Load Graph that shows the CPU load over the last five minutes The EDS generates the graph using the Scalable Vector Graphics SVG modularized XML language and updates every two seconds The information area contains a link for viewing the raw SVG XML Note The SVG plug in is available on the Internet ...

Страница 122: ...gure 10 15 Real Time Clock Page Real Time Clock Page Real Time Clock Page Settings Description Time Zone From the drop down list select the time zone corresponding to the location of the EDS Date From the drop down lists select the year month and day corresponding to the current date at the location of the EDS Time 24 hour From the drop down list select the hour minutes and seconds corresponding t...

Страница 123: ... Device Servers User Guide 123 System Page Clicking the System link in the menu bar displays the System page Here you can Reboot the EDS Restore factory defaults Upload new firmware Assign short and long names to the EDS Figure 10 16 System Page ...

Страница 124: ...to its factory default configuration Appendix C identifies the factory default configuration If you restore the factory default configuration the EDS reboots automatically Upload New Firmware Lets you update the EDS firmware Do not power off or reset the EDS while uploading new firmware Once the upload has completed and the new firmware has been verified and flashed the EDS reboots automatically N...

Страница 125: ...ays when you click Email in the menu bar It also displays when you click Statistics at the top of one of the Configuration page This read only page shows various statistics and current usage information about the email subsystem To select an email to view its statistics EDS4100 Click the desired email at the top of the page EDS8 16 32PR Select the email from the Select Email drop down list at the ...

Страница 126: ... Servers User Guide 126 Figure 11 1 Email Statistics Page Email Configuration Page If you click Configuration at the top of one of the Email pages the Email Configuration page displays Here you can change email configuration settings ...

Страница 127: ...ervers User Guide 127 To select an email to configure EDS4100 Click the desired email at the top of the page EDS8 16 32PR Select the email from the Select Email drop down list at the top of the page Figure 11 2 Email Configuration Page ...

Страница 128: ...erse lookups on the sender IP address to ensure the email message is really from whom it says it is Server Port Enter the SMTP server port number The default is port number is 25 but it is configurable Local Port or Random Enter the local port to use for email alerts The default is a random port number Priority Select the priority level for the email alert To test your configuration you can send a...

Страница 129: ...ine Interface Statistics page the Command Line Interface Configuration page displays Here you can change CLI configuration settings Under Current Configuration Delete links will display next to Login Password and Enable Level Password if passwords are configured If you click Delete a message asks whether you are sure you want to remove the password Click OK to proceed or Cancel to cancel the opera...

Страница 130: ... enabled Choices are On Telnet access is enabled default Off Telnet access is disabled Telnet Port Enter the number of the port on which the EDS listens for incoming Telnet connections Default is 23 Telnet Max Sessions Specify the maximum number of Telnet sessions that will be allowed Each session requires 27 KB of Heap Memory SSH Access Select whether Secure Shell SSH access is enabled Choices ar...

Страница 131: ...must press when holding down the Ctrl key An example of a such a string is control L XML Pages The EDS can be configured using an XML configuration record Clicking the XML link in the menu bar displays the XML page This page has three links at the top for exporting an XML configuration record exporting an XML status record and importing an XML configuration record XML Export Configuration Page The...

Страница 132: ...11 Advanced Settings EDS Device Servers User Guide 132 Figure 11 5 XML Export Configuration Page ...

Страница 133: ... want to export in the line lpd serial tunnel and terminal groups Groups to Export Select or clear the check boxes for the configuration groups to export to the XML configuration record By default all groups are selected except those pertaining to the network configuration This is so that if you later import the entire XML configuration you will not break your network connectivity XML Export Statu...

Страница 134: ...s record to the Web browser Export XSR data to the filesystem Select this option to export the XML status record to a filesystem If you select this option enter a file name for the XML status record Lines to Export Select the instances you want to export in the line lpd serial tunnel and terminal groups Groups to Export Select or clear the check boxes for the configuration groups to export By defa...

Страница 135: ...ed using HTTP The lines and groups to import can be specified by selecting the respective group item or entering a filter string When you select a group item all instances of that group will be imported The filter string can be used to import specific instances of a group The text format of this string is g i g i Each group name g is followed by a colon and the instance value i Each g i value is s...

Страница 136: ...tire external XCR file you want to import You can also browse to select the XCR file Figure 11 8 XML Import Configuration from External File Import Configuration from the Filesystem This selection displays a page for entering the filesystem and your import requirements groups lines and instances Enter the filename of the XCR file that has certain groups you want to import ...

Страница 137: ...11 Advanced Settings EDS Device Servers User Guide 137 Figure 11 9 XML Import from Filesystem ...

Страница 138: ...ault all groups are checked except those pertaining to the network configuration this is so that import will not break your network connectivity You may check or uncheck any group to include or omit that group from import To import all of the groups click the Select All link to import all groups To clear all the checkboxes click the Clear All link Text List Enter a string to import specific instan...

Страница 139: ...11 Advanced Settings EDS Device Servers User Guide 139 Figure 11 10 XML Import Line s from Single Line Settings on the Filesystem ...

Страница 140: ...rk lines Click the Clear All link clear all of the checkboxes By default all serial line instances are selected Whole Groups to Import Select the configuration groups to import from the XML configuration record Note By default all groups are checked except those pertaining to the network configuration this is so that import will not break your network connectivity You may check or uncheck any grou...

Страница 141: ...gz where xx is the model designation 4100 16 or 32 then the boot loader must be updated before the standard firmware Please see the release notes for specific information related to this version 1 Start DeviceInstaller See Starting DeviceInstaller on page 31 2 Open the EDS folder in the left Window pane 3 Select the EDS that you would like to upgrade 4 Click the Web Configuration tab and click Go ...

Страница 142: ... the EDS that you would like to upgrade 4 Click the Web Configuration tab and click Go 5 Enter the User name and Password The default user name is admin with a default password of PASS all caps 6 On the menu bar click System The System page displays 4 Under Upload New Firmware click Browse and navigate to the directory where you saved the EDS firmware 5 Select edsxx rom gz and click Upload ...

Страница 143: ...rk Configuration Settings BOOTP Client Off disabled DHCP Client On enabled IP Address 0 0 0 0 auto IP if DHCP fails Network Mask 0 0 0 0 auto if DHCP fails Gateway 0 0 0 0 MAC Address Specified by manufacturer Hostname None Domain None DHCP Client ID None Ethernet Auto speed auto duplex Serial Port Line Settings Serial Port Line Parameters Serial Port Line Settings Status Enabled Protocol Tunnel B...

Страница 144: ...ff char 0x13 19 Command Mode Disabled Echo Serial String On enabled Wait Time milliseconds 5000 milliseconds Serial String text or binary None Signon Message None Tunnel Settings Serial Settings Serial Parameters Serial Settings Protocol Tunnel Buffer Size 2048 bytes Read Timeout milliseconds 200 milliseconds Wait for Read Timeout Disabled DTR Asserted while connected ...

Страница 145: ...s Accept Mode Settings Accept Mode Enabled Local Port Port 1 10001 Port 2 10002 Port 3 10003 and so forth For line x the local port is 10000 x Protocol TCP Flush Serial Data Disabled Block Serial Data Off Block Network Data Off TCP Keep Alives 45 seconds Email on Connect None Email on Disconnect None Password None Prompt for Password Off Connect Mode Connect Mode Parameters Connect Mode Settings C...

Страница 146: ...Off Block Network Data Off TCP Keep Alives 45 seconds Email on Connect None Email on Disconnect None Disconnect Mode Disconnect Mode Parameters Disconnect Mode Settings Character Stop Disabled Modem Control Disabled Timeout 0 Disabled Flush Serial Data Disabled Packing Mode Packing Mode Parameters Packing Mode Settings Mode Disabled Timeout 1000 milliseconds Threshold 512 bytes Send Character None...

Страница 147: ...odes On Response Codes Text Error Unknown Commands Off Optional Connect String None AES Keys AES Key Parameters AES Key Settings Accept Mode AES Keys Encrypt Key None Accept Mode AES Keys Decrypt Key None Connect Mode AES Keys Encrypt Key None Connect Mode AES Keys Decrypt Key None Host Settings Host Page Setting Description Protocol Telnet Name None Remote Address None Remote Port 23 ...

Страница 148: ...tion 500 Echo Enabled DNS Settings DNS Parameters DNS Settings Primary Server None Secondary Server None SNMP Settings SNMP Parameters SNMP Settings SNMP Agent Running Read Community Public Write Community Private System Contact None System Name EDSxxxx xxxx 4100 8PR 16PR 32PR System Description Lantronix EDSxxxx xxxx 4100 8PR 16PR 32PR System Location None Enable Traps On Primary TrapDest IP None...

Страница 149: ...rameters FTP Settings FTP Server On Username admin Password PASS TFTP Settings TFTP Parameters TFTP Settings TFTP Server On Allow TFTP File Creation Disabled Syslog Settings Syslog Parameters Syslog Settings Syslog Status Off Host None Local Port 514 Remote Port 514 Severity to Log None ...

Страница 150: ...HTTP Port 80 HTTPS Port 443 Max Timeout 10 seconds Max Bytes 40960 Logging On Max Log Entries 50 Log Format h t r s B Referer i User Agent i Authentication HTTP Authentication Parameters HTTP Authentication Settings URI Realm config AuthType Digest Username admin Password PASS RSS RSS Parameters RSS Settings RSS Feed Off Persistent Off Max Entries 100 ...

Страница 151: ...lnet Max Sessions 3 SSH Access Enabled SSH Port 22 SSH Max Sessions 3 Login Password None Enable Level Password None Quit Connect Line control L Email Settings Email Parameters Email Settings To None Cc None From None Reply To None Subject None File None Overriding Domain None Server Port 25 Local Port or Random Random Priority Normal ...

Страница 152: ...Start of Job Disabled End of Job Disabled Formfeed Disabled Convert Newslines Disabled SOJ String None EOJ String None Queue Name LPD Queue where is the LPD number IP Address Filter IP Address Parameters IP Address Settings IP Address None Network Mask None Query Port Settings Query Port Parameters Query Port Settings Query Port Server On ...

Страница 153: ...m Parameters System Settings Time Zone GMT 0 00 GMT Real Time Clock System Parameters System Settings Time Zone GMT Protocol Stack TCP System Parameters System Settings Send RSTs On ICMP System Parameters System Settings Enable On ARP System Parameters System Settings ARP Timeout 1 minute ...

Страница 154: ...tware selectable standard baud rates from 300 to 230k baud Customizable baud rate support for non standard serial speeds Serial Line Formats Data bits 7 or 8 Stop bits 1 or 2 Parity odd even none Modem Control CTS RTS DTR DCD Flow Control Xon Xoff software CTS RTS hardware None Power Input 9 30 VDC Barrel connector 42 56 VDC Screw Terminal PoE compliant power source 802 3af when populated Network ...

Страница 155: ...ncryption 3DES encryption ARC4 128 bit encryption Password protection IP address filtering Hardened OS and stack Internal Web Server Serves static and dynamic CGI based pages and Java applets Storage capacity 6 MB using industry standard file system System Software Windows based DeviceInstaller configuration software and Windows based Com Port Redirector LEDs 10Base T and 100Base TX Link Ethernet ...

Страница 156: ...omizable baud rate support for non standard serial speeds Serial Line Formats Data bits 7 or 8 Stop bits 1 or 2 Parity odd even none Modem Control CTS RTS DTR DSR Flow Control Xon Xoff software CTS RTS hardware None Power Input 100 240 VAC 50 60 Hz IEC type cord 20 Watts Network Interface RJ45 Ethernet 10Base T or 100Base TX auto sensing and hard coded auto crossover full and half duplex Complianc...

Страница 157: ...c and dynamic CGI based pages and Java applets Storage capacity 6 MB using industry standard file system System Software Windows based DeviceInstaller configuration software and Windows based Secure Com Port Redirector LEDs 10Base T and 100Base TX Link Ethernet Activity Serial Transmit Data Serial Receive Data Power Diagnostics EMC Standards FCC CFR 47 Part 15 Subpart B ICES 003 Issue 4 AS NZS CIS...

Страница 158: ...e SSH authenticates using one or more of the following Password the etc passwd or etc shadow in UNIX User public key RSA or DSA depending on the release Host based rhosts or etc hosts equiv in SSH1 or public key in SSH2 What Does SSH Protect Against SSH provides strong authentication and secure communications over insecure channels It also provides secure connections that protect a network from at...

Страница 159: ... information that could be seen by anyone with access to view it could now be secure Benefits of SSL The following list summarizes the benefits of SSL Widely implemented standard for e commerce applications Reduces the complexities associated with keeping user information confidential Works with existing Web servers and browsers Eliminates the need for additional software applications Provides hig...

Страница 160: ... master key back to the server 4 The server recovers the master key and authenticates itself to the client by returning a message authenticated with the master key Subsequent data is encrypted and authenticated with keys derived from this master key Digital Certificates Authentication with SSL is achieved with a Digital Certificate issued and signed by a Certificate Authority CA and stored on the ...

Страница 161: ...onfigured to run independent of an Ethernet network And because the tunnel can be secure anyone who tries to monitor the conversation between the two devices would see encrypted unintelligible data The figure below shows how a pair of device servers can be used in tandem to provide transparent serial tunneling across an Ethernet network In this example a POS device in a store collects data and sen...

Страница 162: ... Tunnel Connect Mode Page on page 63 A remote station node must be configured for Connect mode A remote TCP or UDP port must be configured When Connect mode is enabled it remains on until it is ended by Disconnect mode Connect mode supports the following protocols TCP Telnet IAC AES encryption over UDP AES encryption over TCP SSL SSH the EDS is the SSH client UDP available only in Connect mode sin...

Страница 163: ...e is no remote port or address The default local port is 10001 for serial port 1 10002 for serial port 2 10003 for serial port 3 and so forth Accept Mode supports the following protocols SSH EDS is the server in Accept Mode For this protocol the SSH server host keys and at least one SSH authorized user must be configured TCP Telnet IAC AES encryption over TCP Accept Mode has the following options ...

Страница 164: ...ata and the send character in the packet Trailing character If a trailing character is defined this character is appended to data put on the network immediately following the send character Modem Emulation The EDS supports Modem Emulation mode for devices that transmit modem AT commands The EDS supports two different modes Command Mode The EDS serial ports accept modem commands that instruct the E...

Страница 165: ...e result codes ATVn Verbose mode 0 numeric result codes 1 text result codes ATZ Restores the current state from the setup settings A Repeat last valid command These commands allow the EDS to emulate a modem The EDS ignores valid AT commands that do not apply to the EDS and sends an OK response code In Command mode the EDS can make a connection to the remote host and using the remote address and re...

Страница 166: ...ssume the first three octets and connects to the remote IP address 192 168 16 150 port 10001 Entering ATDT 28 150 10012 causes the EDS to assume the first two octets in the IP address and connects to the remote IP address 192 168 28 150 port 10012 Note If you add 10012 after the IP address segment port 10012 is used instead of the port defined in Connect mode By default the characters are not pass...

Страница 167: ...to eu_support lantronix com Firmware downloads FAQs and the most up to date documentation are available at http www lantronix com support When you report a problem please provide the following information Your name and your company name address and phone number Lantronix model number Lantronix serial number Software version on the first screen shown when you Telnet to port 23 Description of the pr...

Страница 168: ...cts the EDS8 16 32PR serial RJ45 RS232 ports to a device using one of the adapters listed below 200 2065 Cable Ethernet CAT5 RJ45 15 m 49 2 ft Connects the EDS8 16 32PR Ethernet ports to an Ethernet switch hub or is used for cascading from one EDS8 16 32PR to another Connects the EDS8 16 32PR serial RJ45 RS232 ports to a device using one of the adapters listed below 200 2066A Adapter RJ45 to DB25M...

Страница 169: ...diated and conducted emissions Class B limits of EN 55022 1998 EN55024 1998 A1 2001 Direct Indirect ESD EN61000 4 2 1995 RF Electromagnetic Field Immunity EN61000 4 3 1996 Electrical Fast Transient Burst Immunity EN61000 4 4 1995 Surge Immunity EN61000 4 5 1995 RF Common Mode Conducted Susceptibility EN61000 4 6 1996 Power Frequency Magnetic Field Immunity EN61000 4 8 1993 Voltage Dips and Interru...

Страница 170: ...t werden dass der für den sicheren Betrieb erforderliche Luftstrom nicht beeinträchtigt wird In dieser Umgebung darf die maximale Temperatur von 50 C nicht überschritten werden Dabei sind auch die maximalen Auslegungstemperaturen zu berücksichtigen 2 Die Installation ist so durchzuführen dass auch bei ungleichmäßiger Lastverteilung die Stabilität gewährleistet bleibt Energiezufuhr Anhand der Angab...

Страница 171: ...dous stability condition is not achieved due to uneven loading Input Supply Check nameplate ratings to assure there is no overloading of supply circuits that have an effect on overcurrent protection and supply wiring Grounding Reliable earthing of this equipment must be maintained Particular attention should be given to supply connections when connecting to power strips rather than direct connecti...

Страница 172: ...EDS Device Servers User Guide 172 G Warranty For details on the Lantronix warranty replacement policy go to our web site at www lantronix com support warranty ...

Страница 173: ...8 Hardware 113 IP sockets 115 Memory 118 MIB II network statistics 114 Ping 116 Processes 120 Traceroute 117 Digital Certificates 160 Directories creating 106 Disconnect mode 66 163 DNS Lookup 118 Page 76 EDS Diagnostics 113 Properties 31 Rebooting 123 Restoring factory defaults 123 Short and long names 123 Updating firmware 123 EDS16 32PR Features 15 Hardware components 27 Installation 29 Overvie...

Страница 174: ...ork Configuration page 48 Obtaining firmware 141 Packing mode 68 164 Pinging an IP address 116 Processes diagnostics 120 Properties 31 Protocol Stack page 109 Query Port page 112 Rebooting 123 Reset button EDS4100 24 Reset button EDS16 32PR 29 Restoring factory defaults 123 RSS settings 88 Self signed certificate 101 Short name 123 SNMP page 77 Specifications 156 SSH How it authenticates 158 Overv...

Страница 175: ...ilesystem 106 Warranty 172 Web Manager Accessing 36 Navigating through 38 Overview 34 Page components 45 Page summary 38 Web Manager pages CLI 128 Device Status 47 Diagnostics 113 DNS 76 Email 125 Filesystem 105 FTP 79 HTTP 82 IP Address Filter 110 Line Settings 51 Network Configuration 48 Protocol Stack 109 Query Port 112 SNMP 77 SSH 93 SSL 101 Syslog 81 System 123 TFTP 80 Tunnel 56 XML 131 XML C...

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