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3: Getting

Started

IP Address

Your device server must have a unique IP address on your network. The systems
administrator generally provides the IP address and corresponding subnet mask and
gateway. The IP address must be within a valid range, unique to your network, and in the
same subnet as your PC.

IP Address:

_______ _______ _______ _______

Subnet Mask: _______ _______ _______ _______

Gateway:

_______ _______ _______ _______

You have several options for assigning an IP address to your unit. We recommend that you
manually assign the IP address over the network using DeviceInstaller software, which is
described in

Using DeviceInstaller

.

Micro125 User Guide

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Содержание Micro125

Страница 1: ...Micro125 User Guide Part Number 900 588 Revision B March 2013 ...

Страница 2: ...quarters 167 Technology Drive Irvine CA 92618 USA Toll Free 800 526 8766 Phone 949 453 3990 Fax 949 450 7249 Technical Support Online www lantronix com support Sales Offices For a current list of our domestic and international sales offices go to the Lantronix web site at www lantronix com about contact Disclaimer Operation of this equipment in a residential area is likely to cause interference in...

Страница 3: ...__________________________________ 11 Port Numbers___________________________________________________ 11 3 Getting Started 12 Physically Connecting the Unit_________________________________________ 12 Required Information ________________________________________________ 12 Hardware Address _______________________________________________ 12 IP Address _______________________________________________...

Страница 4: ...me_______________________________________________________ 40 8 Setup Mode Channel Configuration 41 Channels__________________________________________________________ 41 Baudrate __________________________________________________________ 41 I F Interface Mode _________________________________________________ 42 I F Mode __________________________________________________________ 42 Flow ____________...

Страница 5: ...____________________ 59 Disable Port 77FE Hex __________________________________________ 59 Disable Web Server ______________________________________________ 59 Disable Web Setup ______________________________________________ 59 Disable ECHO Ports _____________________________________________ 59 Enable Encryption _______________________________________________ 59 Enable Enhanced Password _________...

Страница 6: ...__________________________________ 56 Figure 9 2 Security Settings______________________________________________ 58 Figure 10 1 TFTP Window_______________________________________________ 64 List of Tables Table 7 1 BootP DHCP AutoIP options _____________________________________ 38 Table 7 2 Standard IP Network Netmasks __________________________________ 39 Table 8 1 Interface Mode Options ________...

Страница 7: ... 6 Configuration via Telnet or Serial Port Setup Mode Provides instructions for accessing Setup Mode command line interface using a Telnet connection through the network or a terminal or terminal emulation program through the serial port 7 Setup Mode Server Configuration Details the network server settings 8 Setup Mode Channel Configuration Details the serial port settings 9 Setup Mode Advanced Se...

Страница 8: ...Guide Provides information about the Micro125 hardware testing the Micro125 using the evaluation board and integrating the Micro125 into your product Com Port Redirector User Guide Provides information on using the Windows based utility to create a virtual com port DeviceInstaller Online Help Provides information on using DeviceInstaller to configure IP addresses and locate Lantronix devices on th...

Страница 9: ...ams Contains a web HTTP server allowing presentation of custom content and easy configuration through a browser Applications The Micro125 device server connects serial devices such as those listed below to Ethernet networks using the IP protocol family ATM machines CNC controllers Data collection devices Environmental sensors Universal Power Supply UPS management units Telecommunications equipment...

Страница 10: ...rver to assign an IP address and configure the unit DeviceInstaller Assign an IP address and view the current Micro125 configuration using a Graphical User Interface GUI on a PC attached to a network See Using DeviceInstaller Web Manager Through a web interface configure the Micro125 and its settings using the Micro125 s Web Manager See Configuration Using Web Manager Serial Telnet Ports There are...

Страница 11: ...y UDP datagram is defined by a destination IP address and a port number For example a Telnet application commonly uses port number 23 A port number is similar to an extension on a phone system The unit s serial channel port can be associated with a specific TCP UDP port number Port number 9999 is reserved for access to the unit s Setup configuration Mode window Ports 0 1024 are reserved as well Fo...

Страница 12: ...nect an Ethernet cable to the RJ 45 Ethernet port 3 Supply power to your unit using the power supply that was included in the packaging Note The required input voltage for the Micro125 is 5VDC 5 at 200 mA Other devices may require a different voltage 4 Supply power to the serial device Required Information Hardware Address You need to know the unit s hardware address also known as the MAC address ...

Страница 13: ...valid range unique to your network and in the same subnet as your PC IP Address _______ _______ _______ _______ Subnet Mask _______ _______ _______ _______ Gateway _______ _______ _______ _______ You have several options for assigning an IP address to your unit We recommend that you manually assign the IP address over the network using DeviceInstaller software which is described in Using DeviceIns...

Страница 14: ...The unit s IP address must be configured before it can work correctly on a network You have several options for assigning an IP to your unit We recommend that you manually assign the IP address over the network using DeviceInstaller Note To use a serial connection instead of an Ethernet connection to configure the device see Chapter 6 Configuration via Telnet or Serial Port Setup Mode The unit s I...

Страница 15: ...viceInstaller DeviceInstaller 2 Click the Micro folder The list of available Lantronix Micro type devices displays 3 Expand the list of Micro125 devices by clicking the symbol next to the Micro125 icon Select the Micro125 unit by clicking on its IP address to view its configuration Viewing the Current Configuration DeviceInstaller provides a view of the unit s configuration To view the unit s curr...

Страница 16: ...ar IP Address was Obtained Displays Dynamically if the device automatically received an IP address e g from DHCP Displays Statically if the IP address was configured manually If the IP address was assigned dynamically the following fields appear Obtain via DHCP with value of True or False Obtain via BOOTP with value of True or False Obtain via RARP with value of True or False Obtain via Auto IP wi...

Страница 17: ...ts AES Data Stream Non configurable field Displays True if the Micro125 unit supports AES encryption Supports 485 Non configurable field Displays True indicating the Micro125 supports the RS 485 protocol Supports 921K Baud Rate Non configurable field Displays False Micro125 does not support baud rates up to 921 Kbps Supports HTTP Server Non configurable field Displays True Supports HTTP Setup Non ...

Страница 18: ...e Note The examples in this section show a typical device Your device may have different configuration options Accessing Web Manager Using DeviceInstaller Note For more information on DeviceInstaller see Chapter 4 Using DeviceInstaller 1 Run DeviceInstaller and search for the list of available Lantronix device servers 2 Click on the Micro folder The list of available Micro type devices displays 3 ...

Страница 19: ... password has been defined default leave both fields blank and click OK If a Telnet Web Manager password has been defined leave the username blank type in the password and then click OK The Web Manager displays Figure 5 2 Lantronix Web Manager The main menu is in the left pane of the Web Manager window Micro125 User Guide 19 ...

Страница 20: ... 5 3 Network Settings Network Mode 1 Click Network from the main menu 2 Select Wired Only It is the only choice for Network Mode as it enables the Ethernet network connectivity Automatic IP Address Configuration An IP address can be assigned automatically You then enter related network settings To assign an IP address automatically 1 On the main menu click Network 2 Select Obtain IP address automa...

Страница 21: ...ted network settings To assign an IP address manually 1 On the main menu click Network 2 Select Use the following IP configuration 3 Enter the following as necessary Static IP Settings Description IP Address If DHCP is not used to assign IP addresses enter it manually in decimal dot notation The IP address must be set to a unique value in the network Subnet Mask A subnet mask defines the number of...

Страница 22: ...o Negotiate With this option the Ethernet port auto negotiates the speed and duplex with the hardware endpoint to which it is connected This is the default If this option is not selected the complete the fields that become available Speed The speed of data transmission The default is 100 Mbps Duplex The direction of data transmission The default is Full 3 When you are finished click the OK button ...

Страница 23: ...guration Server Configuration Settings Description Enhanced Password Select whether to enable enhanced password Enable selecting this option enables advanced password creation allowing you to create passwords up to 16 bytes in length Disable selecting this option disables advanced password creation allowing you to create basic passwords up to 4 bytes in length Telnet Web Manager Password Enter the...

Страница 24: ... Port Not applicable for this product MTU Size The Maximum Transmission Unit MTU is the largest physical packet size a network can transmit for TCP and UDP Enter between 512 and 1400 bytes The default is 1400 bytes TCP Re transmission timeout ms The desired TCP re transmission timeout value If the ACK is not received for a packet sent from the Micro125 device then the unit will retransmit the data...

Страница 25: ...ration in milliseconds the Micro125 should abandon attempting a connection to the host list Host Information Host Information Settings Description Host Address Enter or modify the host s IP address Port Enter the target port number 3 When you are finished click the OK button 4 On the main menu click Apply Settings Channel 1 and Channel 2 Configuration The Channel 1 and Channel 2 configuration defi...

Страница 26: ...nter the following information Channel 1 or Channel 2 Channel Setting Description Disable Serial Port Available on Channel 1 settings only When selected disables communication through the serial port Note Using a telnet session see Baudrate you may enter a baud rate of 00 in channel settings to disable the serial port Port Settings Port Settings Description Protocol From the drop down menu select ...

Страница 27: ...The standard algorithm is optimized for applications in which the unit is used in a local environment allowing for very small delays for single characters while keeping the packet count low The alternate packing algorithm minimizes the packet count on the network and is especially useful in applications in a routed Wide Area Network WAN Adjusting parameters in this mode can economiz the network da...

Страница 28: ...ction to or from the device is disconnected The default is No Flush Output Buffer Network to Serial Flush Output Buffer Settings Description With Active Connect Select Yes to clear the output buffer with a connection that is initiated from the device to the network The default is No With Passive Connect Select Yes to clear the output buffer with a connection initiated from the network to the devic...

Страница 29: ...Web Manager Connection Settings TCP To configure a channel s TCP settings 1 On the main menu click Connection The Connection Settings window for the channel displays Figure 5 7 TCP Connection Settings Micro125 User Guide 29 ...

Страница 30: ...ise indicate the connection type from the drop down list With Any Character Attempts to connect when any character is received from the serial port With Active Mdm Ctrl In Accepts external connection requests only when the Modem Control In input is asserted With Start Character Attempts to connect when it receives a specific start character from the serial port The default start character is carri...

Страница 31: ...nd of record EOR and binary options which can be used for applications such as terminal emulation to IBM hosts Connect Response A single character is transmitted to the serial port when there is a change in connection state Default setting is None Use Hostlist If this option is set to True the device server scrolls through the host list until it connects to a device listed in the host list table O...

Страница 32: ... activity on the serial line before the set time expires Enter time in the format mm ss where m is the number of minutes and s is the number of seconds To disable the inactivity timeout enter 00 00 Note The default port number for Port 1 is 10001 and 10002 for Port 2 However port numbers may be set to a different value 3 When you are finished click the OK button 4 On the main menu click Apply Sett...

Страница 33: ...oadcast Select to broadcast the UDP datagram The default is not to broadcast Note Datagrams are sent as subnet directed broadcasts Device Address Table The table is enabled when Datagram Type is set to FD Enter values between 1 and 255 to identify units on the local network of device servers Note Lantronix Tech Support supports Datagram type 01 Datagram Type FD is for OEM use 3 When you are finish...

Страница 34: ...y Defaults 1 Click the Apply Factory Defaults button to set the device server back to the default settings For details see Default Settings on page 61 2 Click Yes to set factory settings or click No to cancel Figure 5 10 Applying Default Settings Micro125 User Guide 34 ...

Страница 35: ...ed in nonvolatile memory and is retained without power You can change the configuration at any time The unit performs a reset after the configuration has been changed and stored This chapter tells you how to access Setup Mode and the general procedure for using it To complete the configuration continue with Chapters 7 Setup Mode Server Configuration 8 Setup Mode Channel Configuration and 9 Setup M...

Страница 36: ...ecurity 7 Defaults 8 Exit without save 9 Save and exit Your choice 4 Select an option on the menu by entering the number of the option in the Your choice field and pressing Enter 5 To enter a value for a parameter type the value and press Enter or to confirm a current value just press Enter 6 When you are finished save the new configuration option 9 The unit reboots Serial Port Connection To confi...

Страница 37: ...me as when you use a Telnet connection To continue go to step 4 above under the section Telnet Connection Exiting Setup Mode To exit setup mode utilize one of the following two options To save all changes and reboot the device select option 9 Save and exit from the Change Setup menu All values are stored in nonvolatile memory To exit the configuration mode without saving any changes or rebooting s...

Страница 38: ...o assign IP addresses enter the IP address manually The IP address must be set to a unique value in the network Enter each octet and press Enter between each section The current value displays in parentheses IP Address 000 000 000 000 _ If DHCP is used the third octet of the IP address sets the BootP DHCP AutoIP options The following table shows the bits you can manually configure to force the Mic...

Страница 39: ...e Class A 24 bits Class B 16 bits Class C 8 bits The unit prompts for the number of host bits to be entered then calculates the netmask which appears in standard decimal dot notation for example 255 255 255 0 when the saved parameters display Table 7 2 Standard IP Network Netmasks Network Class Host Bits Netmask A 24 255 0 0 0 B 16 255 255 0 0 C 8 255 255 255 0 Set DNS Server IP Address The DNS se...

Страница 40: ... do not change the DHCP name and you are using an IP of 0 0 0 0 then the DHCP name defaults to CXXXXXX XXXXXX is the last 6 digits of the MAC address shown on the label on the bottom side of the unit For example if the MAC address is 00 20 4A 12 34 56 then the default DHCP name is C123456 Custom DHCP Name You can create your own DHCP name If you are using an IP address of 0 0 0 0 then the last opt...

Страница 41: ...erial Port Parameters Baudrate 9600 I F Mode 4C Flow 00 Port No 10001 ConnectMode C0 Send in Modem Mode Y Show IP addr after RING Y Auto increment source port N Remote IP Address 000 000 000 000 Remote Port 0 DisConnMode 00 FlushMode 00 DisConnTime 00 00 SendChar 1 00 SendChar 2 00 Baudrate The unit and attached serial device such as a modem must agree on a speed or baud rate to use for the serial...

Страница 42: ...0 1 1 stop bit 0 1 2 stop bits 1 1 1 1 2 stop bits are implemented by the software This might influence performance The following table demonstrates how to build some common Interface Mode settings Table 8 2 Common Interface Mode Settings Common I F Mode Setting Binary Hex RS 232C 8 bit No Parity 1 stop bit 0100 1100 4C RS 232C 7 bit Even Parity 1 stop bit 0111 1000 78 I F Mode Additional settings...

Страница 43: ...ort No 10001 _ The default setting for Port 1 is 10001 The range is 1 65535 except for the following reserved port numbers Table 8 5 Reserved Port Numbers Port Numbers Reserved for 1 1024 Reserved well known ports 9999 Telnet setup 14000 14009 Reserved for Redirector 30704 Reserved 77F0h 30718 Reserved 77FEh WARNING We recommend that you not use the reserved port numbers for this setting as incorr...

Страница 44: ...5 4 3 2 1 0 a Incoming Connection Never accept incoming 0 0 0 Accept with active Modem Control In 0 1 0 Always Accept 1 1 0 b Response Nothing quiet 0 Character response C connect D disconnect N unreachable 1 c Active Startup No active startup 0 0 0 0 With any character 0 0 0 1 With active Modem Control In 0 0 1 0 With a specific start character 0 0 1 1 Manual connection 0 1 0 0 Autostart 0 1 0 1 ...

Страница 45: ...n No Active Startup Does not attempt to initiate a connection under any circumstance Default setting With Any Character Attempts to connect when any character is received from the serial port With active Modem Control In Attempts to connect when the Modem Control In input changes from not asserted to asserted With a Specific Start Character Attempts to connect when it receives a specific start cha...

Страница 46: ...kup This character string can include a destination port number as well The port number can be preceded by either a forward slash or a colon Table 8 7 Manual Connection Address Example Command String Result if remote IP is 129 1 2 3 and remote port is 1234 C121 2 4 5 1 Complete override connection is started with host 121 2 4 5 port 1 C5 Connects to 129 1 2 5 port 1234 C28 10 12 Connects to 129 1 ...

Страница 47: ...0 SendChar 2 00 To enable the hostlist 1 Enter a Connect Mode of 0x20 2X where X is any digit The menu shows you a list of current entries already defined in the product 2 To delete modify or add an entry select Yes If you enter an IP address of 0 0 0 0 that entry and all others after it are deleted 3 After completing the hostlist repeat the previous step if necessary to edit the hostlist again 4 ...

Страница 48: ...de to C6 no echo D6 echo with full verbose D7 echo with numeric response CF modem responses only numeric response or CE modem responses only full verbose Note If the unit is in Modem Mode and the serial port is idle the unit can still accept network TCP connections to the serial port if Connect Mode is set to C6 no echo D6 echo with full verbose D7 echo with numeric response CF modem responses onl...

Страница 49: ...no further action If the Numeric Response option is in effect the unit responds to an unrecognized command string that is otherwise formatted correctly with the OK message and takes no further action When an active connection is in effect the unit transfers data and does not process commands received from the serial interface When a connection is terminated or lost the unit reverts to command mode...

Страница 50: ...mber defined within the unit ATH Hangs up the connection Entered as ATH ATS0 n Enables or disables connections from the network going to the serial port n 0 disables the ability to make a connection from the network to the serial port n 1 9 enables the ability to make a connection from the network to the serial port n 1 9 is invalid ATEn Enables or disables character echo and responses n 0 disable...

Страница 51: ... the remote TCP port number for the unit to make outgoing connections This parameter defines the port number on the target host to which a connection is attempted Remote Port 00 _ To connect an ASCII terminal to a host using the unit for login purposes use the remote port number 23 Internet standard port number for Telnet services Note This option does not display when Hostlist is enabled from the...

Страница 52: ...pon an outgoing connection 2 A password is required for a connection to the serial port from the network 3 The TCP connection closes even if the remote site does not acknowledge the disconnection 4 When there is a network connection to or from the serial port the state LED turns off instead of blinking 5 When Ctrl D or Hex 04 is detected the connection is dropped Both Telnet Com Port Cntrl and Dis...

Страница 53: ...initiated from the network to the device 1 Clear when the network connection to or from the device is disconnected 1 Alternate Packing Algorithm Pack Control Enable 1 Pack Control The packing algorithms define how and when packets are sent to the network The standard algorithm is optimized for applications in which the unit is used in a local environment allowing for very small delays for single c...

Страница 54: ...it interprets the sendchars as a 2 byte sequence if this option is not enabled the unit interprets them independently If Send Immediately After Characters is not set any characters already in the serial buffer are included in the transmission after a transmit condition is found If this option is set the unit sends immediately after recognizing the transmit condition sendchar or timeout Note A tran...

Страница 55: ... example ETX EOT Setting the first sendchar to 00 disables the recognition of the characters Alternatively the unit can interpret two characters as a sequence see Pack Control on page 53 Telnet Terminal Type This parameter displays only if you enabled the terminal type option in Disconnect Mode With this option enabled you can use the terminal name for the Telnet terminal type Enter only one name ...

Страница 56: ... default settings are listed below Table 9 1 Expert Settings Details Settings Device Details Settings Description TCP Keepalive time in s 1s 65s 0s disable 45 ARP Cache timeout in s 1s 600s 600 Disable Monitor Mode bootup No HTTP Port Number 1 65535 80 MTU Size 512 1400 0 resulting in an operational value of 1400 TCP Re Transmission Timeout 500 4000 500 msec Enable alternate MAC No OEM use only Et...

Страница 57: ...s 80 HTTP Port Number 80 _ MTU Size The Maximum Transmission Unit MTU is the largest physical packet size a network can transmit for TCP and UDP Enter between 512 and 1400 bytes The default is 1400 bytes MTU Size 1400 _ TCP Re transmission Timeout This feature allows the configuration of the desired TCP re transmission timeout value If the ACK is not received for a packet sent from the Micro125 de...

Страница 58: ...Disable Web Setup N Disable ECHO ports Y Enable Encryption N Enable Enhanced Password N Disable SNMP This setting allows you to disable the SNMP protocol on the unit for security reasons Disable SNMP N _ SNMP Community Name The SNMP Community Name is a required field for NMS to read or write to a device Enter a string of 1 to 13 characters SNMP Community Name public _ The default entry is public T...

Страница 59: ... or serial configuration The Y Yes option disables remote configuration and web sites The Y Yes option also disables many of the GUI tools for configuring the unit including the embedded WebManager tool Disable Web Server This setting defaults to the N option The Y Yes option disables the web server Disable Web Server N _ Disable Web Setup The Y Yes option disables configuration using the Web Mana...

Страница 60: ...ou are using TCP or UDP Generally one of these situations applies Encrypted Micro125 to Micro125 communication Be sure to configure both Micro125 devices with the same encryption key Third party application to Micro125 encrypted communication Micro125 uses standard AES encryption protocols To communicate successfully products and applications on the peer side must use the same protocols and the sa...

Страница 61: ...0001 channel 1 10002 channel 2 Connect Mode C0 always accept incoming connection no active connection startup Send in Modem Mode Enabled Show IP addr after RING Enabled Auto increment source port Disable Hostlist retry counter 3 Hostlist retry timeout 250 msec Start character for serial channel 1 0x0D CR All other parameters 0 Expert Settings Defaults Expert Setting Default Configuration TCP Keepa...

Страница 62: ...fault Configuration Disable SNMP No SNMP community name public Disable Telnet setup No Disable TFTP Firmware Update No Disable Port 77FEh No Disable Web Server No Disable Web Setup No Disable ECHO ports Yes Enable Encryption No Enable Enhanced Password No Micro125 User Guide 62 ...

Страница 63: ...OB m125e_6804 rom m125_webm_1903 cob Please refer to the DeviceInstaller online Help for information about reloading firmware using DeviceInstaller The other methods are discussed below Using TFTP Graphical User Interface To download new firmware from a computer 1 Use a TFTP client to put a binary file to the unit ROM to upgrade the unit s internal operational code and COB to upgrade its internal ...

Страница 64: ... Command Line Interface To download new firmware from a computer 1 Enter the following from a TFTP command line interface tftp i ip address put local filename destination file name The following examples demonstrate the TFTP command sequence to download the rom file and the cob file tftp i 192 168 1 111 put m125e_6804 rom 5M tftp i 192 168 1 111 put m125_webm_1903 cob WEB1 Micro125 User Guide 64 ...

Страница 65: ...nnected to the serial port of the Lantronix unit Note Make sure the Micro125 on which you are recovering firmware is connected to this selected port on your PC 4 For Device Model be sure the appropriate Micro125 device is selected 5 For Firmware File click the Browse button and go to the location where the firmware file resides 6 Click OK to download the file 7 When prompted reset the device Statu...

Страница 66: ...ing Monitor Mode Using the Network Port To enter Monitor Mode using a Telnet connection 1 Establish a Telnet session to the configuration port 9999 The following message appears MAC address 00204AAE0412 Software version V6 8 0 4 121207 M125 AES library version 1 8 2 1 Press Enter for Setup Mode 2 Type M upper case A 0 prompt indicates that you have successfully entered Monitor Mode Monitor Mode Co...

Страница 67: ...he unit s 6 byte MAC address SS Set Security record Sets the Security record without the encryption key and length parameters The entire record must still be written but the encryption specific bytes do not need to be provided they can be null since they are not overwritten SA Scan Initiates a wireless scan if the wireless interface is enabled Reports any stations found including BSSID SSID and RS...

Страница 68: ...above generates one of the following command response codes Table 11 2 Command Response Codes Response Meaning 0 OK no error 1 No answer from remote device 2 Cannot reach remote device or no answer 8 Wrong parameter s 9 Invalid command Micro125 User Guide 68 ...

Страница 69: ...n the device server you are only assigning a temporary IP address When you Telnet into port 9999 and do not press Enter quickly the device server reboots causing it to lose the IP address Telnet back to Port 1 Wait for it to fail then Telnet to port 9999 again Make sure you press Enter quickly When you Telnet to port 9999 the Press Enter to go into Setup Mode message displays However nothing happe...

Страница 70: ...ngs for the serial device and the device server must match The default serial settings for the device server are RS 232 9600 baud 8 character bits no parity 1 stop bit no flow control When you try to enter the setup mode on the device server using the serial port you get no response The issue is most likely something covered in the previous problem or possibly you have Caps Lock on Double check ev...

Страница 71: ... consistently then there is a good socket connection If the Status LED is solid green then the socket connection does not exist Use the Connect Mode option C0 for making a connection to the device server from the network Use Connect Mode option C1 or C5 for a connection to the network from the device server See the full list of Connect Mode options in Connect Mode on page 44 When connecting to the...

Страница 72: ...9 0 180 500 13 53 Germany Only Email eu_techsupp lantronix com or eu_support lantronix com Firmware downloads FAQs and the most up to date documentation are available at 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 MAC number Software version on the first screen...

Страница 73: ...ion Table Hexadecimal digits have values ranging from 0 to F which are represented as 0 9 A for 10 B for 11 etc To convert a binary value for example 0100 1100 to a hexadecimal representation the upper and lower four bits are treated separately resulting in a two digit hexadecimal number in this case 4C Use the following table to convert values from binary to hexadecimal Decimal Binary Hex 0 0000 ...

Страница 74: ...c calculator such as the one available on Windows operating systems For example 1 On the Windows Start menu click Programs Accessories Calculator 2 On the View menu select Scientific The scientific calculator displays 3 Select Bin Binary and type the number to convert 4 Click Hex The hexadecimal value displays Micro125 User Guide 74 ...

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