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1. Port 1 Port 2 o RS 485HD o 7 V Figure B 1 Jumper Locations and Settings 76 ESP Serial Hub Installer User Guide To change the physical interface settings 1 Place the unplugged ESP 2 MI hub on a flat surface Use the screwdriver to loosen the two screws on either side of the hub total of four screws Remove the screws Lift the cover up and off the unit Locate the two ganged headers on the printed circuit board PCB Each ganged header contains four columns of five pins The jumper for each port is ganged and covers two columns e Installing the jumper over the two right pin columns enables the RS 232 interface e Installing the jumper over the two middle pin columns enables RS 422 interface e Installing the jumper over the two left pin columns enables the RS 485 2 wire HD interface To change a port s interface lift the jumper off its current interface setting and place it on the columns indicated above for the desired interface setting The interface settings are also printed on the PCB If you are enabling the RS 422 or the RS 485HD interface on a port you may also enable disable 100 ohm termination of the differential receive signal pair on that port This termination is enabled by placing a jumper on the two pins adjacent to the ganged jumper for the port see the location noted in Figure B 1 Termination is enabled by
2. lt Avocent ESP Serial Hub Installer User Guide gt gt INSTRUCTIONS This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance DANGEROUS VOLTAGE This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons PROTECTIVE GROUNDING TERMINAL This symbol indicates a terminal which must be connected to earth ground prior to making any other connections to the equipment ESP Serial Hub Installer User Guide Avocent the Avocent logo and The Power of Being There are registered trademarks of Avocent Corporation All other marks are the property of their respective owners 2005 Avocent Corporation All rights reserved 590 587 501A USA Notification WARNING Changes or modifications to this unit not expressly approved by the party responsible for compli ance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pur suant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate
3. esee eere enne 58 Port Attributes Command e sees E D USE OR e set det 58 Network Gomm nd deemed mnt eterne 59 Configurable Features Commandis 59 Initiating a Configuration File Download esee 59 Completion Status e RE a RP PIRE REDE ERE 60 Chapter 7 ESP Install nennen nenne nennt 61 Running the ESP Install Program eee ti sre tr ettet Yeh eR SE OH Pe Fete Ee eene cena 61 Creating Installation Update Command Blocks eee eene eene 62 Updating ESP Hub Configurations 63 Removing ESP Hubs bte i e n t RET 63 Commands uo OPPIDO n E PCR Pp 64 Sample Script File sie UR det ie 65 vi ESP Serial Hub Installer User Guide Chapter 8 ESP View Diagnostic Utility ener nennt 67 Accessing and Exiting the ESP View eese eene 67 Daiascope antes eer Rare d C dp t eR cance tuned RE HE UR PR ERR ERAS 67 Lo0DbACk i i e RH DR EE DH ERE Ue DS dr pe reb ure red 70 Statius seb P UE ER ERU e pat des Ut dei t det E E t p e eot ette 71 eret 73 Appendix A Technical Specifications eee eese ener 73 Appendix B Changing the Serial Port Interface on ESP 2 MI HUDS Re e ete eg
4. To view or change configurable features 1 From the Main Menu select Configurable Features Click the Enabled or Disabled radio button next to the feature to be changed If you changed any setting click Apply The change will not take effect until the next reboot To reboot click the Reboot button When the ESP serial hub is reinitialized all configurable features are restored to their default settings Downloading a Configuration File To ease the task of configuration the ESP hub supports file based configuration The Configuration Download operation initiates the loading of a configuration file from a TFTP server The commands in the file are processed and the configuration is then updated See Chapter 6 beginning on page 55 for more information 38 ESP Serial Hub Installer User Guide To download and process a configuration file 1 From the Main Menu select Configuration File 2 Enter the TFTP server IP address and the pathname of the configuration file The outcome of the configuration update will be displayed If an error occurred with the TFTP address or file pathname the message will indicate a time out condition If an error was encountered in the configuration file the display includes the command line number and the erroneous entry The Status from last operation field indicates the result of the previous unattended configuration operation If that operation was successful this field will be empty if
5. ADMINVIASNMP ENABLE DISABLE Enables or disables administrative functions using SNMP WEBINTERFACE ENABLE DISABLE Enables or disables use of the web interface CONFIGVIATELNET ENABLE DISABLE Enables or disables use of the configuration utility Enables or disables the sockets based interface for NEPAOMINENABEGIDISABUE administrative functions such as the ESP View diagnostic utility Initiating a Configuration File Download When used from a BootP or DHCP server no user interaction is required to initiate a configuration file download if the hub does not have a unique IP address Specify the configuration file as the bootfile option on the server To use a DHCP server ESP hub must have an infinite lease on its assigned IP address If the hub has a unique IP address the user must manually clear the IP address and then reboot the hub or otherwise manually force the BootP request 60 ESP Serial Hub Installer User Guide When using the web interface follow the instructions in Downloading a Configuration File on page 37 When using the configuration utility follow the instructions in Downloading a Configuration File on page 50 Completion Status To verify the completion status of a configuration file download If the web interface or the configuration utility was used to initiate the download of the configuration file the completion status of the operation will be displayed If the configuration file download was in
6. DB 9 RS 422 Description Pin Number RJ 45 1 RxD Receive Data pos 4 2 RxD Receive Data neg 5 3 TxD Transmit Data pos 4 4 TXD Transmit Data neg 5 5 GND Ground N C 6 DSR RS 232 Data Set Ready N C 7 RTS RS 232 Request to Send N C 78 ESP Serial Hub Installer User Guide Table C 2 RS 485 CAT 5 Adaptor Pin Assignments Continued Pin Number DB 9 RS 422 Description Pin Number RJ 45 8 CTS RS 232 Clear to Send N C 9 N C N A N C RxD and TxD are both connected to pin 4 of the RJ 45 connector RxD and TxD are both connected to pin 5 of the RJ 45 connector RTS is tied to CTS inside the adaptor to indicate an RS 485 connection Other CAT 5 adaptors Table C 3 Adaptors for Use with CAT 5 and CAT 6 Cable Part Number Description 210122 RJ 45 to DB 9M DTE Adaptor 210120 RJ 45 to DB 9F DCE Adaptor 210124 RJ 45 to DB 25M DTE Adaptor 210123 RJ 45 to DB 25M DCE Adaptor 210125 RJ 45 to DB 25F DTE Adaptor 210121 RJ 45 to DB 25F DCE Adaptor 210127 RJ 45 to RJ 45 Male Adaptor for Cisco and Sun Netra console port 750238 CAT 5 Serial Starter Kit includes all the above adaptors 210129 DB 9 Female to RJ 45 Adaptor for modem emulation 210133 RJ 45 Male to RJ 45 Female Adaptor for modem emulation Reversing adaptors and reversing cables Table C 4 Reversing Adaptors and Cables Part Number Description 210094 RJ 45 to DB 9
7. a value of 100 indicates that once serial data is received it will remain buffered up to 1 second 100 hundredths of a second at which time all data will be sent If the buffer becomes half full the time is ignored and the data is sent The default value is 0 send immediately Inactivity time out Specifies the length of time before the TCP session is disconnected if there is no activity Valid values are 0 65535 seconds A 0 value disables the inactivity time out For example a value of 60 indicates the session will be disconnected if there is no activity for a period of 60 seconds The default value is 0 disabled 24 ESP Serial Hub Installer User Guide Modem commands Table 3 6 lists the supported AT modem commands All other AT commands will be ignored or cause an error depending on the configured response code and verbose response settings With the exception of the and ATDT commands multiple commands may be entered on the same line separated by a space If a question mark is entered on a line with other commands it is interpreted as AT If an ATDT command is followed by other commands on the same line ATDT will be recognized but the remaining commands on the line will be ignored Information about command mode follows the table Table 3 6 Modem Commands Command Description Help Displays a list of valid AT commands AT Returns the value of register SO ATA Instruct
8. be forwarded to the serial port and data from the serial port will be forwarded to the network endpoint The data being received from the serial port is scanned for the string that activates command mode When this string is detected the hub will reply OK to the device and will enter command mode 26 ESP Serial Hub Installer User Guide The following rules must be followed to enter command mode e There must be a one second guard time no data traffic before sending the e There must not be a delay longer than one second between each e There must be another one second guard time after the last When a port enters command mode the remote ESP hub will not be aware of this state change The remote hub will obviously not be receiving any data from the TCP connection but if it receives serial data from its attached device it will attempt to send it to the ESP hub that is not listening because it is in command mode In this case the data will be buffered until the port on the intended recipient ESP hub returns to data mode Response codes The ESP hub will respond to an AT command from the serial device with OK or ERROR plus the status of the TCP connection to the remote endpoint Table 3 7 lists the possible response values that is when response codes are enabled and the applicable format numeric or text is enabled Table 3 7 Modem Command Response Codes Numeric Codes ATV1 or ATV2 T
9. 5 on page 21 Configuration utility Table 3 9 on page 28 If you enable the modem emulation connection method and enable outgoing calls you may also configure dialout translation by clicking the Configure Dialout Translation link The dialout translation table for that port will be displayed You may configure up to eight sets for each port For each set enter a translate string an IP address and a port number A null string disables that translation set If you changed any values click Apply See Dialout translation on page 27 for more information If you changed any values click Apply You will be prompted to confirm When confirmed the configuration is updated immediately The change will take effect during the next connection to that port Warnings and errors A warning will be displayed and the change will not be allowed if The TCP client or modem emulation connection method is enabled and any other connection method is also enabled The TCP server connection method is enabled the idle buffering feature is enabled and any other connection method is also enabled There is a conflict on the local IP ports between two or more enabled connection methods A warning will be displayed but the change will be allowed if The TCP server or TCP client connection method is enabled and monitor DCD is enabled but the port interface is not RS 232 The modem emulation connection method is enabled but the port interface is not RS 23
10. 65 Table 7 1 ESP Install Program Commands Continued Command Description IP address in dot notation This command is required when adding a hub lt gt i or modifying hub s configuration lt gt MAC address in dash notation This command is required when installing an ESP hub that does not yet have an IP address Subnet mask in dot notation This command is required when installing an MASK lt mask gt ESP hub that does not yet have an IP address and is not located on the local subnet ONEPORTOPTION Enables the one port option This command is valid only for ESP 2 MI hubs OPENPERSIST ON OFF Enables ON or disables OFF the persistent open feature for this ESP hub P p lt port Physical port number p port and unique logical port port mapping The logical port must be in the range 0 255 The current mapping may be obtained from the Windows Device Manager on the ESP property page and the Starting COM Port listboxes A current list may also be generated by running espinstall list RATE lt sec gt Specifies the heartbeat rate for the ESP hub in the range 1 100 REMOVE lt ip gt Removes a previously installed ESP hub This command does not need to be inside an ESP END block TIMEOUT lt sec gt Specifies the heartbeat time out for the ESP hub This value must be 3 times the heartbeat rate specified in the Rate com
11. Arrow keys or the Beginning Reverse Forward or End buttons When you are finished viewing the data you may Save the data by selecting File Save from the ESP View utility menu Or Start a new session by clicking Start A message is displayed prompting you to confirm the start of a new session If you agree all of the data you just collected viewed will be discarded e Save A dialog box will appear in which you may specify where the data should be saved If you do not save the data it will be lost when the datascope is restarted e Cancel The polling resumes at the point where the Stop button was clicked To display a previously saved datascope file From the ESP View utility menu click File Open In the dialog box indicate the location of the datascope file The file s contents will be displayed in the ESP View utility window To view all the data you may use the scroll bar arrow keys or the Beginning Reverse Forward or End buttons Loopback The loopback function runs loopback tests on one or all ESP hub ports and displays the resulting statistics You may configure the port operating values the loopback mode and the pattern The main panel of the Loopback window contains the statistical results of the tests e port number e Tx Bytes number of data bytes transmitted e Bytes number of data bytes received Errors number of verification errors e Rate calculated throughput rate tha
12. Redirection command enables or disables the port redirection connection method on one or all serial ports See Table 3 1 on page 16 for parameter descriptions and rules for use PORT lt port gt IALL REDIRECT ENABLEIDISABLE BUFFERING lt hsec gt Port Telnet Server command The Port Telnet Server command enables or disables the Telnet server connection method on one or all serial ports See Table 3 2 on page 17 for parameter descriptions and rules for use PORT lt port gt IALL TELSER VER ENABLEIDISABLE LOCALIPPORT lt iport gt TIMEOUT sec gt BUFFERING lt hsec gt Port TCP Server command The Port TCP Server command enables or disables the raw TCP server connection method on one or all serial ports See Table 3 3 on page 18 for parameter descriptions and rules for use PORT lt port gt IALL TCPSERVER ENABLEIDISABLE LOCALIPPORT Iport TIMEOUT lt sec gt MONITORDCD ENABLEIDISABLE BUFFERING lt hsec gt IDLEBUFFERING ENABLEIDISABLE 58 ESP Serial Hub Installer User Guide Port TCP Client command The Port TCP Client command enables or disables the raw TCP client connection method on one or all serial ports See Table 3 4 on page 19 for parameter descriptions and rules for use PORT lt port gt IALL TCPCLIENT ENABLEIDISABLE DESTIP lt dest_ip gt DESTPORT lt dest_port gt LOCALPORT lport CONNECTMODE AUTOIDATAIDCD TIMEOUT lt sec gt BUFFERING lt hsec gt IDLEBUFFERING ENABLEIDISABLE Port Modem Emu
13. all ports then click Apply A break will be sent to the specified port s Displaying Hardware Information The Hardware Information display includes the following items e Model number e Hardware revision number e Number of serial ports e EEPROM revision number e Amount of SDRAM in megabytes e Amount of Flash memory in megabytes e Amount of EEPROM configuration memory in kilobytes ESP 2 MI and ESP 4 MI hubs only e Hub MAC address e Hub serial number e Hub part number This information cannot be modified To display hardware information Select Hardware Information from the Main Menu Displaying or Updating Flash Memory The Flash Update display includes information about the current images loaded in Flash memory You may update the embedded application image or bootstrap image in Flash memory Before updating a Flash image you must configure a TFTP server on the target server system and install the new Flash image in the appropriate location which is usually relative to the TFTP root directory To display Flash image information or update an image 1 From the Main Menu select Flash The Application Image section includes the version number size and internal slot number for the Primary embedded application image The previously installed image is maintained as a backup the Backup field contains its values Chapter 4 Web Interface 37 The Bootstrap Image section indicates the version number size and internal s
14. an error occurred a message will be displayed The configuration is updated immediately but some changes may not take effect until the next reboot You are notified if this applies To reboot immediately click the Reboot button Launching the ESP View Diagnostic Utility The ESP View diagnostic utility may be used for datascope loopback and status functions See ESP View Diagnostic Utility on page 67 for more information To launch the ESP View utility From the Main Menu select Diagnostic Utility Displaying General Statistics The General Statistics display includes the items described in Table 4 2 All values are cumulative since the ESP serial hub was last reset Table 4 2 General Statistics Display Item Description Uptime Number of days hours minutes and seconds since the hub was last rebooted Idle Time Number of days hours minutes and seconds of idle time Idle time occurs when the hub is not performing any active operations such as processing serial or network data Network Interface Number of bytes transmitted and received plus the number of transmit and receive Counts errors that have occurred Number of UDP datagrams transmitted and received plus the number of UDP UDP receive errors Number of TCP packets transmitted and received plus the number of TCP TCP receive errors Chapter 4 Web Interface 39 To display general statistics Select General Statistics from the Main Me
15. an optional parameter is not specified in a command its value remains as is The command syntax in this manual uses the following conventions Variables are shown in italic type surrounding by angle brackets lt gt Choices are separated by a vertical bar l Optional parameters are enclosed in brackets Chapter 6 Configuration Files 57 Port Interface Command NOTE On ESP 2 MI hubs the serial port interface and termination are set in hardware See Changing the Serial Port Interface on ESP 2 MI Hubs on page 75 for more information However if an ESP 2 MI hub is configured with the RS 422 or RS 485 interface you may change the transfer mode with this command The Port Interface command specifies the physical interface for one or all ports If the RS 422 or RS 485 interface is specified you may enable or disable termination by including Termination Enable or Disable Omitting the Termination keyword leaves the setting as is See Physical Interfaces on page 6 for more information The Transfer keyword and values are valid only for ESP 2 MI hubs PORT lt port gt ALL INTERFACE RS232IRS422IRS485 TRANSFER RTSIADDC TERMINATION ENABLEIDISABLE Port Connection Method Commands The port connection method commands enable or disable connection methods to one or all ESP hub serial ports See Serial Port Connection Methods on page 15 for information about enabling multiple connection methods Port Redirection command The Port
16. any key on the keyboard The datascope shows all data sent and received on the specified serial port Each line displays 16 bytes in hex and ASCII To escape to a shell enter 5 This feature requires a hardware jumper and should be used only on the advice of Avocent Technical Support 54 ESP Serial Hub Installer User Guide 55 Configuration Files The ESP serial hub will accept a DOS or UNIX style text file containing configuration commands A configuration file may be loaded from a BootP or DHCP server for initial configuration A download may also be initiated using the web interface or the configuration utility A file based reconfiguration of an ESP hub may also be initiated using a third party SNMP agent An SNMP MIB is available through Avocent Technical Support The configuration file is processed one line at a time If an error is encountered the line containing the error and all remaining lines in the file will be ignored Commands in lines that were parsed before the errored line will be executed Sample Configuration File A sample configuration file is available through the web interface This file contains every supported command with most of the required and optional parameters for one serial port All lines are preceded by a comment character To use the sample configuration file as a template Access the web interface See Accessing the Web Interface on page 31 2 Select Documentation from the Main Menu O
17. change the password 1 From the Top Menu enter 7 to select Change password 2 You are prompted for the new password Enter a 5 32 character password Passwords are case sensitive and may contain any alphanumeric characters 3 You are prompted to re enter the new password Retype the new password A confirmation message will appear Displaying or Changing Network Configuration Values The Network Configuration display includes the ESP serial hub IP address subnet mask gateway address and network interface settings You must configure a nondefault IP address for the hub to become operational To display or change network configuration values 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed 2 Enter 1 to select Network configuration The display shows the IP address subnet mask gate way address and interface setting 3 You are prompted to modify any values Enter y for yes or n for no To change an entry enter a valid value when prompted Addresses must be entered in standard IP dot notation The gateway address must be in the same subnet as the IP address You cannot set the IP address to a Class A address of 0 0 x x a loopback address of 127 x x x the default value of 192 1 1 1 or an address at or above 248 x x x The subnet mask cannot be 0 0 0 0 The default network interface setting is auto negotiate To change it select another value from the listbox See Net
18. for dialout applications A dialout translation set consists of a translate string usually containing all or part of a telephone number an IP address and an IP port You may configure up to eight translation sets for each ESP hub serial port When an ATDT command is received the modem emulation code first checks each of the eight dialout translation sets If the translate string is non null it is compared against the ASCII data received after the ATDT command that is the target string If it matches an outgoing connection is made to the specified IP address and IP port instead of the target string Dialout is only done on the first translation set that matches the target string Table 3 8 lists the valid values for a translation set s parts Table 3 8 Dialout Translation Set Translation Set Part Description A string of from 1 16 printable ASCII characters The string may contain the following wildcard characters to match any single ASCII character to match multiple ASCII characters including null characters Examples of translate strings are Translate string 1800 5551234 180055512 1800 4 A null string creates a disabled translation set and no other information IP address port is required The default is a null string IP address of the remote application in standard dot notation The address cannot IP address be 0 0 x x 127 x x x 248 255 x x x or the IP address of the ESP hub The defaul
19. is present on the 10 Mbps LAN The 700 LED is lit when the hub is connected to a 100 Mbps LAN 100 All On ESP 2 MI and ESP 4 MI hubs the 10 LED blinks when traffic is present on the 100 Mbps LAN LINK The LINK LED is lit when the hub establishes a connection to the network 6 ESP Serial Hub Installer User Guide Table 2 1 LEDs and Buttons Continued Item Models Description TRAFFIC 4 The TRAFFIC LED blinks when there is traffic on the LAN Pushing and holding for ESP 8 MI and ESP 16 MI hubs the RESET button RESET reboots the hub see Resetting on page 13 Pushing and holding the INIT button restores the hub to factory defaults see INIT All Reinitializing on page 13 Physical Interfaces Table 2 2 summarizes the ESP serial hub physical interfaces and connector information Details follow the table Table 2 2 Physical Interface and Connector Summary Physical interfaces can be configured on Where physical Connector type Model nd location interface is 5 232 5 422 5 485 configured DB 9 ESP 2 MI all ports 1 2 all ports 1 2 all ports 1 2 hardware Front of hub DB 9 ESP 4 MI all ports 1 4 all ports 1 4 all ports 1 4 software Front of hub RJ 45 ESP 8 MI all ports 1 8 all ports 1 8 all ports 1 8 software Back of hub RJ 45 ESP 16 MI all ports 1 16 only ports 1 8 only ports 1 8 software Back of hub All of the serial
20. optional parameters may appear in any order following the Enable or Disable keyword For example both of the following commands will result in the same connection method configuration for port 1 port 1 telserver enable localipport 2000 timeout 400 buffering 10000 port 1 telserver enable buffering 10000 localippoprt 2000 timeout 400 Parameters that include an equal sign and a value for example Parity Even may not contain embedded spaces If you want to enable a connection method that is mutually exclusive of other connection methods and one or more of those other methods was enabled previously either earlier in this or another configuration file or through another tool such as the web interface or configuration utility you should expressly disable the other connection method in the configuration file before enabling the mutually exclusive method For example if you want to enable the modem emulation connection method on a port that currently has the TCP client connection method enabled you must first disable the TCP client method port 1 tcpclient disable port 1 modem enable In commands that require a port number you may specify All instead of a port number if you want the command to be applied to all serial ports on the hub If you specify All in a Port Interface command the operation will be applied to all multi interface serial ports all ports on an ESP 2 MI ESP 4 MI or ESP 8 MI hub ports 1 8 on an ESP 16 MI hub If
21. pressing the RESET button will have no effect However if this condition persists for more than 15 seconds the watchdog timer will cause the hub to reset You may also reset reboot the hub using the web interface see Rebooting the Hub on page 41 or the configuration utility see Rebooting the Hub on page 51 14 ESP Serial Hub Installer User Guide 15 Connection Methods Attributes and Configurable Features This chapter describes e Connection methods which are configured for each serial port e Attributes which are configured for each serial port e Configurable features which are enabled disabled for the entire hub Serial Port Connection Methods There are several methods to access a serial port on an ESP hub e Serial port redirection see page 16 e Telnet server see page 16 e Raw TCP server see page 17 Raw TCP client see page 19 e Modem emulation see page 21 e Configuration utility see page 28 You may configure port connection methods using any of the available tools e Web interface see Displaying or Changing Port Connection Methods on page 33 e Configuration utility see Displaying or Changing Connection Methods on page 46 e Configuration file see Port Connection Method Commands on page 57 Exclusivity and restrictions Each connection method may be enabled or disabled for each ESP port A port may have multiple connection methods enabled with the following exceptions e The raw TCP cli
22. the numeric and text codes This option is equivalent to issuing an ATV modem command If an ATV command is issued with a different value the new value will will be used during that connection but it will not replace this configured value The configured Verbose Response value will be used for subsequent connections Response Codes Specifies whether response codes will be displayed on the serial device Valid values are ATQO response codes will be displayed enabled ATQ response codes will not be displayed disabled The default value is ATQO enabled This option is equivalent to issuing an ATQ modem command If an ATQ command is issued with a different value the new value will be used during that connection but it will not replace this configured value The configured Response Codes value will be used for subsequent connections Monitor DCD Enables or disables monitoring of the DCD signal When enabled if the inbound DCD signal is logically low the ESP hub will not allow the TCP session to be created If the inbound DCD signal changes from logically high to low while a session is active the connection will be closed The default value is disabled Serial buffering Specifies the length of time accumulated serial data should be buffered before being sent to the remote server Valid values are 0 65535 hundredths of a second A 0 value indicates that data will be sent as soon as it is available For example
23. 2 If changes were applied to all ports the warning will indicate the affected ports Displaying or Changing the Serial Port Physical Interface You may change the physical interface for one or all serial ports on an ESP 4 MI or ESP 8 MI hub On an ESP 16 MI hub you may change the physical interface for one port or the first eight serial ports See Physical Interfaces on page 6 for more information Chapter 4 Web Interface 35 NOTE On ESP 2 MI hubs the physical interface and termination are changed in hardware See Changing the Serial Port Interface on ESP 2 MI Hubs on page 75 for more information To display or change the port interface 1 2 6 From the Main Menu select Port Interface Serial Port Selection window will open Select a port number or all ports then click Apply e ESP2 MI hubs you may display interface information for port 1 or port 2 the all ports option is not available If the RS 485 interface was configured in hardware you may change the transfer mode e ESP 16 MI hubs ports 1 8 support multi interface ports 9 16 are dedicated RS 232 so only 1 8 will be displayed If all ports is selected only ports 1 8 will be affected The Serial Attributes window will open e Ifa single port was selected the display contains the current port interface value e Ifall ports was selected the display contains the default port interface mode RS 232 which may differ from the current values fo
24. 8 for more information Calls The default value is enabled Used only when Allow Incoming Calls is enabled Enables or disables auto answer When enabled a connection will be accepted without interaction with the serial port When disabled the ESP hub will send the appropriate string RING or 2 depending on the ATV command or configured Verbose Response value Upon receipt of an ATA modem command the call will be accepted The default value is enabled Auto Answer 22 ESP Serial Hub Installer User Guide Table 3 5 Modem Emulation Connection Method Configurable Items Continued Eee EE aaa Item Description Used only when Allow Incoming Calls is enabled Specifies the port where the ESP hub will listen for incoming connection requests If the all ports option is being used for configuration this value specifies the local IP port base Each port s actual local IP port number will be the base plus the port number For example if 6000 is specified as the base the local IP port number for port 1 will be 6001 port 2 will be 6002 and so on This value or its result when using the a ports option must meet the following criteria It cannot conflict with the port numbers specified for other enabled connection methods on any port Valid values are 1024 65535 except 4000 and 4100 which are reserved When using the all ports option 4000 or 4100 may be used as the base However you cannot specify a
25. DCD Data Carrier Detect Input 2 RxD Receive Data Input 3 TxD Transmit Data Output 8 ESP Serial Hub Installer User Guide Table 2 3 RS 232 Serial Port Pin Assignments Continued EEE ccc C EE E__ _ zz Z_ _ EE Pin Number RS 232 Description Direction 4 DTR Data Terminal Ready Output 5 GND Ground N A 6 DSR Data Set Ready Input 7 RTS Request to Send Output 8 CTS Clear to Send Input 9 N C N C N A Not supported RI RS 422 RTS and CTS differential control signals Unused pins labeled N C should not have wires attached to them Floating wires could cause unbalanced noise shorten overall distances and degrade performance Table 2 4 lists the pin assignments for the RS 422 and RS 485 interfaces Table 2 4 RS 422 and RS 485 Serial Port Pin Assignments Pin Number RS 422 485 Description Direction 1 RxD Receive Data pos Input 2 RxD Receive Data neg Input 3 TxD Transmit Data pos Output 4 TxD Transmit Data neg Output 5 GND Ground N A 6 DSR RS 232 Data Set Ready remains RS 232 Input 7 RTS RS 232 Request to Send remains RS 232 Output 8 CTS RS 232 Clear to Send remains RS 232 Input 9 N C N A N A The RS 485 interface is implemented by using special cables that connect RxD to TxD and RxD to TxD thus providing the 2 wire bidirec
26. Features eese eee enr 50 Downloading a Configuration File io ees d ee e ie eG e v a depot e eda 50 Rebooting the Hub ie ote tesi teet e e e REP 51 Reinitializing ihe Hub ee teet ree prt ree P EUR Eee HER PED se e PERDER 51 Displaying General Statistics oe e te ti Ie E darte dee e 51 Displaying Port Statistics ie ae ee ende e RR d gener nr 52 Displaying Connection Status rst etii ee lusts cases 52 Displaying and Using Debug Features eese eene nennen eterne rennen rene 52 Chapter 6 Configuration Files eeeeeeeeeeee eee eseeee nennen nennen nnns nnn nnn 55 Sample Configuration File eese eee eterne nennen teet rens 55 File Format and Command Syntax eese tree nenne enin en rene 56 Port Interface Command idee ee peti eam 57 Port Connection Method Commands esee eere enne enne nennen 57 Port Redirection command aii die rep M a Res 57 Port Telnet Server essent nennen nennen trennen etre nenne ene 57 Port TEP Server command iesu eaae eti 57 Port TCP Client command det bae tere RR 58 Port Modem Emulation command eese eene nennen nennen trennen enne 58 Dialout Translation command eese eee enne etre 58 Port Configuration Utility command
27. M DTE Adaptor 210095 RJ 45 to DB 9F DCE Adaptor 210090 RJ 45 to DB 25M DTE Adaptor 210092 RJ 45 to DB 25M DCE Adaptor 210091 RJ 45 to DB 25F DTE Adaptor Appendices 79 Table C 4 Reversing Adaptors and Cables Continued Part Number Description 210093 RJ 45 to DB 25F DCE Adaptor 210105 RJ 45 to RJ 45 Male Adaptor for Cisco and Sun Netra console port 690226 10 foot 8 wire Reversing Modular Cable 690227 25 foot 8 wire Reversing Modular Cable 690228 75 foot 8 wire Reversing Modular Cable 750122 Wiring Starter Kit 8 wire includes all the above adaptors and one 690226 cable 210128 DB 9 Female to RJ 45 Adaptor for modem emulation 210134 RJ 45 Male to RJ 45 Female for modem emulation If you choose to use a third party reversing cable make sure the cable is reversing as shown in Figure C 1 4 lt 8 WIRE RTS DSR CD RD TD GND DTR CTS NO ROO C gt Modular Adaptor Figure C 1 8 wire RJ 45 Reversing Cable 80 ESP Serial Hub Installer User Guide Appendix D Technical Support Our Technical Support staff is ready to assist you with any installation or operating issues you encounter with your Avocent product If an issue should develop follow the steps below for the fastest possible service To resolve an issue 1 Check the pertinent section of the manual to see if the issue can be resolved by following the pr
28. RS 485 interface was configured in hardware you may change the transfer mode e ESP 16 MI hubs ports 1 8 support multi interface ports 9 16 are dedicated RS 232 so only 1 8 will be displayed If all ports is selected only ports 1 8 will be affected If a single port was selected the display contains the current port interface value If all ports was selected the display contains the default port interface mode RS 232 which may differ from the current values for any port 3 You are prompted to modify the interface Enter y for yes or n for no If you choose to modify the interface a numbered list of interface types will be displayed Enter the number corresponding to the desired interface or press Enter to leave the value unchanged 4 If you entered a number corresponding to the RS 422 or RS 485 interface you are prompted to enable or disable 100 ohm termination Enter y for yes or n for no See Physical Interfaces on page 6 for more information 5 ForESP 2 MI hubs configured for RS 485 in hardware you are prompted to modify the Trans fer Mode RS485 Enter the number corresponding to RTS or ADDC See RS 485 transmitter and receiver transfer modes on page 7 for more information 6 You are prompted to confirm changes Confirm or cancel the changes Warnings and errors A warning will be displayed but the change will be allowed if the RS 422 or RS 485 interface is selected and e Hardware flow control is enabl
29. S 422 as this is a point to point configuration If your configuration includes supplying your own external termination the termination on the hub should not be used On ESP 2 MI hubs termination is enabled or disabled in hardware see Changing the Serial Port Interface on ESP 2 MI Hubs on page 75 On ESP 4 MI ESP 8 MI and ESP 16 MI hubs termination is enabled or disabled using any of the available tools RS 485 transmitter and receiver transfer modes On ESP 4 MI ESP 8 MI and ESP 16 MI hubs the RS 485 physical interface always uses the ADDC Automatic Data Detection Control transfer mode The transmitter is enabled and the receiver is disabled when a space zero bit is sent The transmitter is disabled and the receiver is enabled when a mark one is sent This allows rapid turnaround and release of the data pair On ESP 2 MI hubs the RS 485 physical interface can use the ADDC or RTS Request to Send transfer mode In RTS mode the transmitter is enabled and the receiver is disabled when RTS is true The transmitter is disabled and the receiver is enabled when RTS is false The RS 485 transfer mode on ESP 2 MI hubs may be specified using any of the available tools Serial port pin assignments Serial port pin assignments are provided on a label on the bottom of the hub Table 2 3 lists the pin assignments for the RS 232 interface Table 2 3 RS 232 Serial Port Pin Assignments Pin Number RS 232 Description Direction 1
30. The TCP server connection method is enabled the idle buffering feature is enabled and any other connection method is also enabled There is a conflict on the local IP ports between two or more enabled connection methods A warning will be displayed but the change will be allowed if The TCP server or TCP client connection method is enabled and monitor DCD is enabled but the port interface is not RS 232 The modem emulation connection method is enabled but the port interface is not RS 232 If changes were applied to all ports the warning will indicate the affected ports 48 ESP Serial Hub Installer User Guide Displaying or Changing the Serial Port Physical Interface You may change the physical interface for one or all serial ports on an ESP 4 MI or ESP 8 MI hub You may change the physical interface for one or the first eight serial ports on an ESP 16 MI hub See Physical Interfaces on page 6 for more information NOTE On ESP 2 MI hubs the serial port interface and termination are changed in hardware See Changing the Serial Port Interface on ESP 2 MI Hubs on page 75 for more information To display or change the serial port interface 1 From the Top Menu enter to select Port interface The Port Selection Menu will be displayed 2 Enter the number corresponding to a port or 0 to select all ports e On ESP2 MI hubs you may display interface information for port 1 or port 2 the all ports option is not available If the
31. access the ESP hub embedded web server Any browser that supports frames may be used and the web interface is accessible from any system regardless of operating system type For information about when changes take effect see When Changes Take Effect on page 12 Accessing the Web Interface The web interface may be accessed using any standard web browser with the IP address of the hub as the URL For example if an ESP serial hub has an IP address of 192 168 0 5 entering the URL http 192 168 0 5 will connect to the web interface The ESP 8 MI and ESP 16 MI serial hubs also support secure connections to the web interface For example with an ESP 16 MI hub with an IP address of 192 168 0 5 entering https 192 168 0 5 will initiate a secure connection The browser will display the security certificate self signed from the ESP hub Once the certificate is accepted the web interface will open If the hub still has a default IP address because it has not yet been configured or the hub has been reinitialized you may enter the URL http 192 1 1 1 to access the hub or https 192 1 1 1 for a secure connection to an ESP 8 MI or ESP 16 MI hub NOTE The predefined IP address 192 1 1 1 is fixed and unexpected errors may occur if another device has the same IP address or if there is more than one uninitialized ESP hub on the network After the hub s web interface is accessed you must configure an IP address before the hub becomes operatio
32. ands Command Description Enables ON or disables OFF automatic responses for an unsigned BUTOUEVISEONIORE driver The default value is ON Enables 1 or disables 0 inclusion of addition debug information in the DEBUG 0 1 ESPinstall log file The default is enabled END Designates the end of the installation update commands for an ESP hub ESP Designates the beginning of the installation update commands for an ESP hub Enables ON or disables OFF the NOFLUSH feature for the specified F lt port gt NOFLUSH ON OFF physical port Enables ON or disables OFF the NOPURGE feature for the specified F port NOPURGE ON OFF physical port F port SENDCOMMSTATUS Enables ON or disables OFF the SENDCOMMSTATUS feature for the ONJOFF specified physical port F port SENDMODEMSTATUS Enables ON or disables OFF the SENDMODEMSTATUS feature for the ONJOFF specified physical port Enables ON or disables OFF the TXDRAIN feature for the specified F port TXDRAIN ON OFF physical port Gateway address in dot notation This command is required when GATEWAY lt gateway gt installing an ESP hub that does not yet have an IP address and is not located on the local subnet l lt port gt RS 232 RS 485 Interface type of the physical port This command is valid only on multi RS 485RTS RS 422 interface hubs that support the specified interface type Chapter 7 ESP Install Program
33. ata should be buffered before being sent to the remote server Valid values are 0 65535 hundredths of a second A 0 value indicates that data will be sent as soon as it is available p For example a value of 100 indicates that once serial data is received it will remain buffered unenng up to 1 second 100 hundredths of a second at which time all data will be sent If the buffer becomes half full the time is ignored and the data is sent The default value is 0 send immediately To use the serial port redirection connection method you must install drivers on the host computer See the SuperSerial CD for information You may also use the ESP Install program see ESP Install Program on page 61 Telnet server The Telnet server connection method allows a user to make a Telnet connection to a serial port on the ESP hub and then transmit receive data using the standard Telnet protocol This method is also known as reverse Telnet When this method is enabled the Telnet server within the hub will accept a connection from any valid remote IP address There is no filtering of remote addresses The connection will be accepted only if the port is not already open and in use by any connection method including an existing Telnet session on that port If the port is currently in use the connection request will be rejected The Telnet session will remain established until the remote client ends the session the Telnet TCP socket is broken or the
34. ation Menu appears The following is an excerpt from the Server Configuration Menu 0 Return to Top Menu 1 Network configuration 2 Flash status and update 3 Configurable features 4 Configuration File Download 5 Hardware information 6 Reboot 7 gt Re Initialize factory defaults 99 Exit enter command From the Server Configuration Menu you may enter selection numbers for a desired operation return to the Top Menu or exit the configuration utility Chapter 5 Configuration Utility 45 The configuration utility will remain active until you enter the command to exit the utility usually 99 If the serial configuration utility connection method is used to access the utility and an inactivity time out is enabled a session will end if the inactivity period is reached Passwords The configuration utility requires an administration password for access When the hub ships or after it is reinitialized there is no configured password After you create a password you will be prompted for it each time you access the configuration utility The administration password is common between the configuration utility and the web interface No encryption is used when entering the password with the configuration utility If you reinitialize the ESP serial hub the password is lost you will be required to create a password the next time you access the configuration utility or the web interface To set or
35. base that when added to a port number will equal 4000 or 4100 When using the all ports option all ports must be valid or the entire selection will not be accepted The default value is 5001 for port 1 5002 for port 2 and so on Local IP Port base Enables or disables outgoing calls that is establishing a raw TCP connection in response to AT commands received on the serial port When this option is enabled you may also set the Default IP Address and Default IP Port options which will be used if an ATDT modem command is issued without parameters When this option is disabled valid ATDT strings will be ignored See Outgoing calls on page 26 for more information The default value is enabled Allow Outgoing Calls Used only when Allow Outgoing Calls is enabled Specifies the IP address to be used when an ATDT modem command is entered without an IP address The address cannot be 0 0 x x 127 x x x 248 255 x x x or the IP address of the ESP hub Destination IP Address Used only when Allow Outgoing Calls is enabled Specifies the IP port number to be used when an ATDT modem command is entered without an IP port Valid values are 0 65535 If the destination IP port is on an ESP MI hub 4000 and 4100 should not be used Destination IP If the all ports option is being used for configuration this value specifies the destination IP Port base port base Each port s actual destination IP port number will be the base plu
36. butes are specified within the protocol Therefore although you may change the attributes any changes you specify will not take effect Table 3 10 lists the serial port attributes with their valid and default values Table 3 10 Serial Port Valid and Default Values Attribute Valid and Default Values Valid values 50 75 110 134 150 200 300 600 1200 2400 4800 9600 19200 38400 57600 76800 115200 and 230400 Baud rate Default value 19200 The 230400 baud rate is not supported on ESP 8 MI or ESP 16 MI hubs On ESP 2 MI hubs the aggregate rate of both ports cannot exceed 230400 Bits per character Valid values 5 6 7 and 8 size Default value 8 Parit Valid values None Even Odd Mark and Space t Default value None Valid values 1 and 2 Stop bits Default value 1 Valid values None XON XOFF and RTS CTS Flow control Flow control settings are full duplex RTS CTS flow control is valid only on RS 232 ports Default value None Configurable Features The Configurable Features display includes the current settings of the features described in Table 3 11 You may enable disable these features using any of the available tools e Web interface see Displaying or Changing Configurable Features page 37 e Configuration utility see Displaying or Changing Configurable Features on page 50 e Configuration file see Configurable Features Commands on page 59 When the ESP serial hub is r
37. des E ete RO OL TRO ER ERI EH EE MEN 3 Chapter 2 Hardware Installation and Network Configuration 5 ESP Serial Hub Kit Contents s a TIR PUER ea ep 2 LEDs and Buttons Rr 5 Physical Interfaces ue acd ne ESSO deca HERES eed 6 Termination i St eter me dte eb e RE ES e RE EUER 7 RS 485 transmitter and receiver transfer modes eese trennen 7 Serial POLE PIN assignments et i need e dU E aO 7 Network Interface ierit epo e aD RE RR 9 Electrical ORE i IB neve nias 10 Installing the tte ette tet tt Rees 10 yr NE EE 11 Configuring network information eese esee enne neret nen nennen trennen enne 11 After startup and address configuration eese eese nennen enne 12 When Changes Take Effect 2 e ipee tete iere eet teneas Fees pe Re 12 Reinitializing and Resetting the Hub esses eere nne eene enne nne nre 13 13 RESEN Do ate t RR dle ttes ice p ee 13 Chapter 3 Connection Methods Attributes and Configurable Features 15 Serial Port Connection Methods epp Pau RU EUR 15 Seri l port redirection estet UR E e RIPE ER dete oclo Eee 16 Telnet server o oae ee EE e M er 16 Raw TCP Servers ia
38. e IP address of the ESP serial hub and the standard Telnet port 23 For example if a hub has an IP address of 192 168 0 5 entering telnet 192 168 0 5 23 will connect to the configuration utility If the hub still has a default IP address because it has not yet been configured or the hub has been reinitialized you may use the predefined IP address of 192 1 1 1 to access the hub NOTE The predefined IP address 192 1 1 1 is fixed and unexpected errors may occur if another device has the same IP address or if there is more than one uninitialized ESP serial hub on the network After the configuration utility is accessed you must configure an IP address before the hub becomes operational After the IP address is configured the hub will no longer be accessible with the predefined IP address The ability to access the configuration utility with Telnet is a configurable option By default this option is enabled Accessing a hub with no configured IP address The configuration utility is automatically enabled on port 1 after delaying several seconds to allow an IP address to be configured using DHCP BootP The port will be configured at 19 200 baud 8 bits per character no parity 1 stop bit and no flow control If the ESP serial hub already has an IP address or if the address is acquired through DHCP BootP this access method will not be active 44 ESP Serial Hub Installer User Guide Accessing on a port using the configuration utility connect
39. e being sent to the remote server Valid values are 0 65535 hundredths of a second A 0 value indicates that data will be sent as soon as it is available Serial buffering For example a value of 100 indicates that once serial data is received it will remain buffered up to 1 second 100 hundredths of a second at which time all data will be sent If the buffer becomes half full the time is ignored and the data is sent The default value is 0 send immediately Enables or disables buffering of received serial data while waiting for a TCP connection to be established When enabled the most recent 20K bytes of data are held in an internal Idle TCP buffer After the connection is established the buffered serial data is sent to the TCP client buffering When this option and this connection method are enabled you may not enable any other connection method for the port The default value is disabled Raw TCP client The raw TCP client connection method allows the ESP hub to make a TCP based connection to a remote server and then transmit receive data using standard TCP The client hub initiates the TCP session When this method is enabled the raw TCP client will attempt to establish a connection with the configured server when the connection mode requirement has been satisfied The TCP session will remain active until the client closes the TCP socket the TCP connection is broken the inactivity time out if enabled occurs or if the co
40. e cedo 75 Appendix C Adaptots 5is e e eet eie d ita e a ope eie o E ie 77 Appendix D Technical Support eere pre a i t ee ie ner 80 vii LIST OF TABLES OF TABLES Table 2 1 LEDs and Buttons i as adde de e t ee ded ta Adee 5 Table 2 2 Physical Interface and Connector Summary cessent 6 Table 2 3 RS 232 Serial Port Pin Assignments eese eene nennen ener eene 7 Table 2 4 RS 422 and RS 485 Serial Port Pin Assignments eese amp Table 2 5 Ethernet Connector Pin Assignments eese eee eerte tenente ener 9 Table 2 6 ESP Serial Hub Electrical Connectors eese eene eene 10 Table 2 7 When Changes Take Effect esses eterne ener 12 Table 3 1 Serial Port Redirection Configurable eene 16 Table 3 2 Telnet Server Connection Method Configurable Items sees 17 Table 3 3 Raw TCP Server Connection Method Configurable 18 Table 3 4 Raw TCP Client Connection Method Configurable Items esses 19 Table 3 5 Modem Emulation Connection Method Configurable 21 Table 3 6 Modem Commands eee esee eene 24 Table 3 7 Modem Command Response Codes essent eene en ene 26 Table 3 8 Dialout Translation Set eee esee eene eene eene ene 27 Table 3 9 Configuration Utility Connection Method Configurable 28 Tab
41. e current images loaded in Flash memory You may update the embedded application image or bootstrap image in Flash memory Before updating a Flash image you must configure a TFTP server on the target server system and install the new Flash image in the appropriate location which is usually relative to the TFTP root directory To display Flash image information or update an image 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed 50 ESP Serial Hub Installer User Guide Enter 2 to select Flash status and update All application and kernel image information is displayed version size and status plus the FPGA version and size You are prompted to update the application image Enter y for yes or n for no If you indicate yes you are prompted for the IP address of the TFTP server and the application image filename After you enter these the application image upgrade is initiated You are prompted to update the boot image Enter y for yes or n for no If you indicate yes you are prompted for the IP address of the TFTP server and the boot image filename You are also prompted to update the bootloader regardless of version It is recommended that this option not be enabled that is enter n After the prompts are answered the boot image upgrade is initiated The new Flash image s will be used after the ESP hub reboots Displaying or Changing Configurable Features The Con
42. ed in the port attributes e Monitor DCD is enabled for the TCP server TCP client connection methods and those methods are enabled e Modem emulation is enabled If these changes were applied to all ports the warning will indicate the affected ports Chapter 5 Configuration Utility 49 Sending a Break to a Port The Send Break feature sends a line break to an attached device on one or all ports To send a break to a port 1 2 3 From the Top Menu enter 4 to select Send Break The Port Selection Menu will be displayed Enter the number corresponding to a port or 0 to select all ports A break will be sent to the specified port s and a confirmation message will be displayed Press any key to continue Displaying Hardware Information The Hardware Information display includes the following items Model number Hardware revision number Number of serial ports EEPROM revision number Amount of SDRAM in megabytes Amount of Flash memory in megabytes Amount of EEPROM configuration memory in kilobytes ESP 2 MI and ESP 4 MI hubs only Hub MAC address Hub serial number Hub part number This information cannot be modified To display hardware information 1 2 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed Enter 5 to select Hardware Information Displaying or Updating Flash Memory The Flash Update display includes information about th
43. einitialized all configurable features are restored to their default setting enabled Table 3 11 Configurable Features Feature Description When enabled the IP address may be set using DHCP BootP When disabled the IP address must be set using the web interface the configuration utility or the UDP protocol espcfg or NT driver coinstaller The default value is enabled Acquire IP address via DHCP 30 ESP Serial Hub Installer User Guide Table 3 11 Configurable Features Continued ee Feature Description When enabled the SNMP interface is used for monitoring and limited configuration of the ESP hub When disabled tools such as espdiag will not work The default value is enabled Allow administrative functions via SNMP Allow web When enabled the web interface may be used When disabled that interface is based interface not available The default value is enabled When enabled the configuration utility may be accessed with Telnet When disabled the configuration utility is not accessible with Telnet The default value is enabled Allow Telnet to configuration utility When enabled the sockets based interface for administrative functions such as the ESP View diagnostic utility may be used When disabled those administrative functions cannot be used The default value is enabled Allow sockets based network administration 31 Web Interface You may use a standard web browser to
44. enabling in a configuration file 58 enabling in the configuration utility 46 enabling in the web interface 33 Connection methods about 15 configuration utility 28 enabling in a configuration file 57 enabling in the configuration utility 46 enabling in the web interface 33 modem emulation 21 restrictions and exclusivity 15 serial port redirection 16 TCP client 19 TCP server 17 Telnet server 16 82 ESP Serial Hub Installer User Guide Connection status displaying in the configuration utility 52 displaying in the web interface 39 D DHCP 11 60 Documentation link 31 E Electrical 10 EquiView Plus 2 ESP Install program 61 ESP View diagnostic utility 67 Ethernet LEDs 5 network interface value 9 pin assignments 9 F Flash updating in the configuration utility 49 updating in the web interface 36 Flow control 29 H Hardware displaying information in the configuration utility 49 displaying information in the web interface 36 installation 10 Installation 10 Interfaces network 9 physical 6 IP address 43 how to set during startup 11 predefined 31 setting in a configuration file 59 setting in the configuration utility 45 setting in the web interface 32 LEDs 5 M Modem emulation connection method about 21 command mode 25 configurable items description 21 dialout translation 27 enabling in a configuration file 58 enabling in the configuration utility 46 enabling in the web interface 33 incoming ca
45. ent connection method is exclusive when it is enabled on a port no other con nection methods can be enabled for that port Conversely if other connection methods are enabled for a port you cannot enable the raw TCP client connection method on that port until you disable the other methods e f you enable the raw TCP server connection method and enable the idle TCP buffering option on a port then the TCP server connection method becomes exclusive no other connection methods can be enabled for that port 16 ESP Serial Hub Installer User Guide e modem emulation connection method is valid only an RS 232 port This method is exclusive when it is enabled on a port no other connection methods can be enabled for that port In any case a port may be actively open and used by only one method at a time Serial port redirection The serial port redirection connection method uses an ESP serial redirection driver on a host computer to communicate with the hub The driver creates a virtual COMM or TTY port interface within the host s operating system Table 3 1 describes this method s configurable items for each serial port Table 3 1 Serial Port Redirection Configurable Items Item Description Enabl Enables or disables the serial port redirection connection method on the serial port See Exclusivity and restrictions on page 15 The default value is enabled Specifies the length of time accumulated serial d
46. ess you may access help information by entering espinstall help You may generate a current list of port mappings by entering espinstall list e To automate the installation process you may specify a script file by entering espinstall exe text filename that contains all the commands to install up to 256 serial ports when you start the program If the script file is not located in the same subdirectory as the ESP Install program the filename parameter should specify the full pathname of the script file The results of the ESP Install program commands are written to the files ESPsummary log if the requested operations completed successfully and ESPinstall log which are located in the same subdirectory as ESPinstall exe e 0 command s completed successfully e 2 the ESP Install program could not communicate with the ESP hub check the Ethernet cable connection e 3z anESP hub with the specified address is already installed e S8 anerror occurred 62 ESP Serial Hub Installer User Guide You may log additional information with the Debug and Windowdebug commands see Table 7 1 The ESP hubs do not have to be rebooted for changes to take effect Creating Installation Update Command Blocks Installation or update information for an ESP serial hub is delimited using the terms ESP and END The opening delimiter is ESP on a line by itself this identifies the start of an installation block for a hub The next command m
47. ext Code ATVO or ATV3 0 OK 2 Ring 3 No Carrier 4 Error 5 Connect 6 No Dialtone 7 Busy 8 No Answer Outgoing calls When the Allow Outgoing Calls option is enabled and the ESP hub is idle input will be parsed for valid ATDT strings and a TCP connection will be attempted to the remote end If another call is active any connection request will be ignored even if the Escape to Command Mode string is detected If the Monitor DCD option is enabled the connection will be rejected if the control signal is logically low The connection will be closed if the inbound control signal transitions from logically high to low during the call In all cases when a TCP connection is active the ESP hub will raise the outbound DTR signal to indicate that the connection is valid which should be seen as inbound DCD by the serial device Chapter 3 Connection Methods Attributes and Configurable Features 27 which is usually a PC when modem emulation is used If the TCP connection drops DTR will be lowered to indicate a Carrier Drop to the attached serial device Dialout translation When the Allow Outgoing Calls option is enabled the attached serial device usually specifies the IP address and IP port number of the remote application with the ATDT command However some devices that attach to modems may be unable to specify the IP address In these cases the ESP hub modem emulation provides an optional phone number translation mechanism
48. factory default that is the jumper covers both pins for each port To disable termination remove the jumper entirely See Termination on page 7 for more information When the RS 485HD interface is enabled in hardware you will be able to select the transmitter receiver mode For more information on these software configurable options see RS 485 transmitter and receiver transfer modes on page 7 Replace the cover on the hub and reinstall the four screws Appendix C Adaptors Appendices 77 Avocent offers a variety of adaptors Contact Technical Support for more information RS 422 CAT 5 adaptor Table C 1 lists the pin assignments for the RS 422 CAT 5 adaptor which enables use of standard CAT 5 cable twisted pairs for RS 422 receive and transmit signals Table C 1 RS 422 CAT 5 Adaptor Pin Assignments Pin Number DB 9 RS 422 Description Pin Number RJ 45 1 RxD Receive Data pos 1 2 RxD Receive Data neg 2 3 TxD Transmit Data pos 4 4 TxD Transmit Data neg 5 5 GND Ground N C 6 DSR RS 232 Data Set Ready N C 7 RTS RS 232 Request to Send N C 8 CTS RS 232 Clear to Send N C 9 N C N A N C RS 485 CAT 5 adaptor Table C 2 lists the pin assignments for the RS 485 CAT 5 adaptor which enables use of one of the pairs of the standard CAT 5 cable twisted pairs for the RS 485 signal pair Table C 2 RS 485 CAT 5 Adaptor Pin Assignments Pin Number
49. figurable Features display includes the current settings of the features described in Table 3 11 on page 29 To view or change configurable features 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed Enter 3 to select Configurable features The current state enabled or disabled of each feature is displayed and the default value is shown in square brackets enabled y disabled n You are prompted to enable each feature even if the feature is already enabled Enter y for yes or n for no For example if the SNMP feature is currently enabled you will be prompted to enable that feature If you enter y SNMP will remain enabled if you enter n SNMP will be disabled When the ESP serial hub is reinitialized all configurable features are restored to their default settings Downloading a Configuration File To ease the task of configuration the ESP hub supports file based configuration The Configuration Download operation initiates the loading of a configuration file from a TFTP server The commands in the file are processed and the configuration is then updated See Chapter 6 beginning on page 55 for more information To download and process a configuration file 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed Chapter 5 Configuration Utility 51 2 Enter 4 to select Configuration File Down
50. h the RS 232 interface If the change was applied to all ports the warning will indicate the affected ports Displaying or Changing Port Connection Methods You may display or change the port connection methods for one or all ESP hub serial ports See Serial Port Connection Methods on page 15 for more information To display or change port connection methods 1 2 From the Main Menu select Port Connections The Serial Port Selection window will open Select a port number of all ports then click Apply The Connection Methods window will open Radio buttons indicate if a connection method is enabled or disabled Text boxes contain values for applicable features e Ifa single port was selected the display contains the current values of port s connection methods e fall ports was selected the display contains the default values for the connection method parameters which may differ from the current values for any port To change a field click the appropriate radio button enter a valid value or choose from a listbox Table 4 1 indicates where to find more information 34 ESP Serial Hub Installer User Guide Table 4 1 Reference to Connection Method Rules and Values For this method See this table for descriptions rules and values Serial port redirection Table 3 1 on page 16 Telnet server Table 3 2 on page 17 Raw TCP server Table 3 3 on page 18 Raw TCP client Table 3 4 on page 19 Modem emulation Table 3
51. he time of day or date The accuracy of the timestamp is dependent on the Java Virtual Machine and the environment where the datascope is being used The display advances in real time Data from the next sample follows the last received data regardless of whether it was transmit or receive data Table 8 1 describes each of the buttons in the lower left panel from left to right Table 8 1 ESP View Utility Datascope Window Buttons Button Description Beginning double left arrow with bar Goes to the beginning of the table view mode Reverse double left arrow Goes up 16 rows in the table view mode Play right arrow Starts sample collection Stop square Stops sample collection and closes the connection Stops sample collection but maintains the connection waiting for a pauso Wa SIS command to resume or stop Forward double right arrow Goes forward 16 rows in the table view mode End double right arrow with bar Goes to the end of the table view mode The counters in the lower right panel display the number of saved samples the number of buffered receive data bytes and the number of buffered transmit data bytes The lower right panel will also contain a rotating circle when samples are being collected Chapter 8 ESP View Diagnostic Utility 69 How it works A data request is sent to the ESP hub The response may contain either receive or transmit data but not both it will also contai
52. her value from the listbox See Network Interface on page 9 for more information 3 If you changed any values click Apply If you changed the address information it will not take effect until the next reboot of the ESP hub To reboot click Reboot If the IP address had not been previously set or the hub has been reinitialized the hub reboots automatically Chapter 4 Web Interface 33 Displaying or Changing Serial Port Attributes You may display or change the attributes of one or all ESP hub serial ports See Serial Port Attributes on page 28 for more information To display or change serial port attributes 1 2 From the Main Menu select Port Attributes The Serial Port Selection window will open Select a port number or all ports then click Apply The Serial Attributes window will open e fasingle port was selected the display contains the current values of the port s attributes e Ifall ports was selected the display contains the default values for the port attributes which may differ from the current values for any port To change any of the attributes select a value from the appropriate listbox See Table 3 10 on page 29 for valid and default values If you changed any values click Apply The change will take effect during the next connection to that port Warnings and errors A warning will be displayed but the change will be allowed if hardware flow control is specified for a port that is not configured wit
53. hnical Specifications Table A 1 ESP Serial Hub Technical Specifications Item Description Serial Ports ESP 2 MI hubs 2 ESP 4 MI hubs 4 d ESP 8 MI hubs 8 ESP 16 MI hubs 16 Type Serial RS 232 RS 422 or RS 485 RS 232 only on ports 9 16 of ESP 16 MI hub Connectors ESP 2 MI and ESP 4 MI hub DB 9 ESP 8 MI and ESP 16 MI hub RJ 45 Network Connection ESP 16 MI hubs 4 45 x 22 23 x 20 32 cm 1 75 x 8 75 x 8 00 Number 1 Type Ethernet IEEE 802 3 10 100BaseT Fast Ethernet IEEE 802 3U 100Base T Connector RJ 45 Dimensions ESP 2 MI hubs 4 11 x 12 07 x 11 13 cm 1 62 x 4 75 x 4 38 HxWxD ESP 4 MI hubs 4 11 x 14 35 x 17 15 cm 1 62 x 5 65 x 6 75 us ESP 8 MI hubs 4 45 x 22 23 x 20 32 cm 1 75 x 8 75 x 8 00 3 3 Temperature operating ESP 2 MI and ESP 4 MI hubs ESP 8 MI and ESP 16 MI hubs 0 to 50 C 32 to 122 F 0 to 40 C 32 to 104 F Humidity 10 to 90 non condensing ESP 2 MI hubs 9 to 30 VDC at less than 4W Power ESP 4 MI hubs 5 VDC 1 amp ESP 8 MI hubs 100 240 VAC 0 5A 50 60 Hz ESP 16 hubs 100 240 VAC 0 5A 50 60Hz Safety and EMC Approvals and Markings ANSI UL 60950 1 CAN CSA C22 2 No 60950 1 EN 60950 1 EN 55022 1998 Class A EN 61000 3 3 FCC Part 15 Subpart B Class A EN 55024 1998 74 ESP Serial Hub Installer User Guide Table A 1 ESP Serial Hub Technical Specifications Cont
54. ial hub IP address You may also reboot the hub using the configuration utility see Rebooting the Hub on page 51 or the RESET button on the front panel see Resetting on page 13 Reinitializing the Hub The Initialize operation resets all configurable values to their factory defaults including the IP address and password To reinitialize 1 Click Re initialize from the Main Menu 2 Click Reinitialize After the reinitialization completes the browser will try to reconnect to the hub using the predefined IP address 192 1 1 1 If this fails or if the web interface does not return within 30 seconds direct your browser to the predefined IP address You may also reinitialize the serial hub using the configuration utility see Reinitializing the Hub on page 51 or the INIT button on the front panel see Reinitializing on page 13 42 ESP Serial Hub Installer User Guide 43 Configuration Utility The ESP serial hub has a built in configuration utility that you may use to manage ESP hubs For information about when changes take effect see When Changes Take Effect on page 12 Accessing the Configuration Utility The configuration utility may be accessed three ways with Telnet by serial connection to port 1 when the ESP serial hub has no configured IP address or by serial connection to the port s that have the configuration utility connection method enabled Accessing with Telnet You may initiate a Telnet session to th
55. ial ports PORT port ALL BAUD lt baud gt SIZE lt size gt PARITY NONEIEVENIODDIMARKISPACE STOP 112 FLOW NONEIXON XOFFIRTS CTS See Table 3 10 on page 29 for serial port parameter descriptions and rules for use Chapter 6 Configuration Files 59 Network Command The Network command specifies the ESP hub s network address and interface information NETWORK IP lt ip gt MASK lt mask gt GATEWAY gateway INTERFACE AUTOILOIOHDILOFDI1001100HDI100FD The addresses must be entered in standard IP dot notation The gateway address must be in the same subnet as the IP address You cannot set the IP address to a Class A address of 0 0 x x a loopback address of 127 x x x the default value of 192 1 1 1 or an address at or above 248 x x x The subnet mask cannot be 0 0 0 0 The interface value is used for the network connection See Network Interface on page 9 for more information AUTO auto negotiate 100 100 Mb second full or half duplex 10 10 Mb second full or half duplex 100HD 100 Mb second half duplex 10HD 10 Mb second half duplex 100FD 100 Mb second full duplex 10FD 10 Mb second full duplex Configurable Features Commands Table 6 1 shows the syntax of the configurable features commands Table 3 11 on page 29 describes each feature Table 6 1 Configurable Features Commands Command Syntax Description IPVIADHCP ENABLE DISABLE Enables or disables acquiring the IP address using DHCP
56. ime you access the web interface or the configuration utility To set or change the password From the Main Menu select Change Password 2 Enter the new 5 32 character password in the New Password field Passwords are case sensitive and may contain any alphanumeric characters 3 Repeat the new password in the New Password re enter field 4 Click Apply Once the password is validated the configuration will be updated A reboot is not required The new password will be required the next time the web interface or the configuration utility is accessed Displaying or Changing Network Configuration Values The Network Configuration display includes the ESP serial hub IP address subnet mask gateway address and network interface settings You must configure a nondefault IP address for the hub to become operational To display or change network configuration values 1 From the Main Menu select Network Configuration 2 change an entry enter a valid value in the IP Address Subnet Mask Gateway Address and or Interface Mode fields Addresses must be entered in standard IP dot notation The gateway address must be in the same subnet as the IP address You cannot set the IP address to a Class A address of 0 0 x x a loopback address of 127 x x x the default value of 192 1 1 1 or an address at or above 248 x x x The subnet mask cannot be 0 0 0 0 The default interface setting value is auto negotiate To change it select anot
57. inactivity time out if enabled occurs Chapter 3 Connection Methods Attributes and Configurable Features 17 Table 3 2 describes this method s configurable items for each serial port Table 3 2 Telnet Server Connection Method Configurable Items a Item Description Enable disable Enables or disables the Telnet server connection method on the port See Exclusivity and restrictions on page 15 The default value is disabled Local IP port number base Specifies the IP port number on which the Telnet server will listen If the all ports option is being used for configuration this value specifies the local IP port base Each port s actual local IP port number will be the base plus the port number For example if 6000 is specified as the base the local IP port number for port 1 will be 6001 port 2 will be 6002 and so on This value or its result when using the a ports option must meet the following criteria cannot conflict with the port numbers specified for other enabled connection methods on any port Valid values are 1024 65535 except 4000 and 4100 which are reserved When using the a ports option 4000 or 4100 may be used as the base However you cannot specify a base that when added to a port number will equal 4000 or 4100 When using the all ports option all ports must be valid or the entire selection will not be accepted The default value is 3001 for port 1 3002 for port 2 and s
58. inued EEE EEE a SE ssi Item Description 73 23 EEC Low Voltage Directive 89 336 EEC EMC Directive 2002 95 EC RoHS Restriction of Hazardous Substances Application of Council The product herewith complies with the requirements of the above Directives Directives and Standards To maintain EN 55024 Product Family Immunity compliance it is recommended that quality Unshielded Twisted Pair UTP or Shielded Twisted Pair STP cabling be used such as that recognized by the ANSI TIA EIA 568 A Standard for the serial port media Appendices 75 Appendix B Changing the Serial Port Interface on ESP 2 MI Hubs The factory default interface setting for both ports on an ESP 2 MI serial hub is RS 232 To enable the RS 422 or RS 485 interface for one or both serial ports or if you previously enabled one of these interfaces and now want to enable another interface use the following procedure You will need a Phillips screwdriver Proper electrostatic discharge ESD protection should be used at all times Use Figure B 1 as a guide NOTE The physical interface for the ESP 4 MI ESP 8 MI and ESP 16 MI hubs is changed in software See Physical Interfaces on page 6 for more information o o o RS 232 100 Termination o o o e eooo e e RS 422 e e eeee e e e e e o e e e 6
59. ion method After the ESP serial hub has a configured IP address the administrator may enable the serial configuration utility on any serial port When this connection method is enabled the configuration utility will become active if the port is not in use and the Enter key is pressed three times in a row This access method is enabled on port 1 and disabled on other ports by default You may enable disable the configuration utility access method on each port using the configuration utility see Displaying or Changing the Serial Port Physical Interface on page 48 the web interface see Displaying or Changing the Serial Port Physical Interface on page 34 or a configuration file see Port Configuration Utility command on page 58 About the Configuration Utility Interface The configuration utility has a menu based text interface Each menu contains a numbered list of operations When you enter the number associated with an operation and then press Enter you are either presented with another menu containing a numbered list of operations or the selected command is initiated For example the following is the Top Menu which is displayed when you access the utility 0 Server Configuration 1 gt Serial Port Attributes Serial port connection methods Port interface Send break Status Debug 7 gt Change password 99 Exit enter command PWN V If you enter 0 and then press Enter the Server Configur
60. ion values the utility will prompt for all connection parameters The utility will prompt to enable each connection method regardless of whether the method is currently enabled Enter y for yes or n for no If you reply no nothing more is displayed for that connection method If you reply yes that is you want to enable that method the configurable parameters are displayed and you are prompted for values Table 5 1 indicates where to find more information Table 5 1 Reference to Connection Method Rules and Values For this method See this table for descriptions rules and values Serial port redirection Table 3 1 on page 16 Telnet server Table 3 2 on page 17 Raw TCP server Table 3 3 on page 18 Raw TCP client Table 3 4 on page 19 Modem emulation Table 3 5 on page 21 Configuration utility Table 3 9 on page 28 If you enable the modem emulation connection method and enable outgoing calls you will be prompted for values for each of eight dialout translation sets If you specify a null translate string for a set that set will be disabled See Dialout translation on page 27 for more information When the port connection method menus are completed you are prompted to confirm any changes Confirm or cancel the changes Warnings and errors A warning will be displayed and the change will not be allowed if The TCP client or modem emulation connection method is enabled and any other connection method is also enabled
61. ips with the hub and the www avocent com web site to verify the current boot and application versions Older hubs are not compatible with the new firmware For information about older hubs you can reference the manual that shipped with the hub download the original manual from the web site or contact Technical Support 4 ESP Serial Hub Installer User Guide Hardware Installation and Network Configuration ESP Serial Hub Kit Contents ESP serial hub e SuperSerial CD ROM e ESP 2 MI and ESP 4 MI hubs External power supply PS with attached PS to unit barrel connector The line cord for the power supply is appropriate to the intended country of operation e For ESP 8 MI and ESP 16 MI hubs AC power cord Modular adaptors are available from Avocent see Adaptors on page 77 LEDs and Buttons All LEDs and buttons are on the front of the ESP serial hub Table 2 1 LEDs and Buttons Item Models Description POWER All The POWER LED is lit when the hub is connected to a power source The ONLINE LED is lit not blinking when the hub s self test and initialization procedures have completed successfully On ESP 4 MI hubs at power up the LED will blink rapidly until the hub is initialized then it will be lit not blinking If a problem occurs the LED will turn off ONLINE All ESP 2Mland The 70LED is lit when the hub is connected to 10 Mbps LAN and the 100 LED 19 ESP 4 MI blinks when traffic
62. isplaying Port Statistics e ettet ee E UR 39 Displaying Connection St tus desti t d te eee a ee bee ORE e aeo epit et 39 Rebooting the Hub iab ERE Hee ONS ERES E ed dede ttp 41 Reinitializing the Hub ce tee ere ie PT ee E e e teer irte 41 Chapter 5 Configuration Utility eeeeeeeee seien een enne enne nennen nnne 43 Accessing the Configuration Utility 43 Accessing with Telnet 5 etit PO Rte EP pP 43 Accessing hub with no configured IP address eene 43 Accessing on a port using the configuration utility connection method s 44 About the Configuration Utility Interface esee rene 44 Passwords see t t ts hae ste tease et a ie tee Rede Pe RUE 45 Displaying or Changing Network Configuration eerte 45 Displaying or Changing Serial Port Attributes eese enne 46 Displaying or Changing Connection Methods esee eterne nennen 46 Displaying or Changing the Serial Port Physical Interface eene 48 Sending G Break to d Port sedi d edd i doa dO i ae e epe ee aed ieee 49 Table of Contents Displaying Hardware Information 49 Displaying or Updating Flash 49 Displaying or Changing Configurable
63. it may be included in a script file that also contains ESP END command blocks that install update hubs To update a driver without having to reboot the computer you may remove information about all previously installed ESP hubs and then put it back all in the same script file This will also load a new esp sys driver in the computer s memory This provides an easy way to update a driver without having to reboot the computer when more than one ESP hub is installed To remove and replace existing information Run espinstall list to obtain a list of currently installed hubs 2 Edit your original script file adding a Remove command at the beginning of the file for each installed ESP hub 3 Runespinstall text filename on the edited file 64 ESP Serial Hub Installer User Guide Commands Table 7 1 describes the commands that may be used in the ESP Install program Many of the commands contain detailed driver specifications contact Technical Support for more information Syntax conventions Keywords and values are not case sensitive A command must start on a line by itself A carriage return marks the end of a command A comment must be on a line by itself and must be preceded with a double slash Keyword value pairs may have intervening spaces for readability For example all of the following forms are valid type esp 8 fl sendmodemstatus off type esp 8 fl sendmodemstatus off Table 7 1 ESP Install Program Comm
64. itialize factory defaults You may also reinitialize the hub using the web interface see Reinitializing the Hub on page 41 or the INIT button on the front panel see Reinitializing on page 13 Displaying General Statistics The General Statistics display includes the items described in Table 4 2 on page 38 All values are cumulative since the ESP serial hub was last reset 52 ESP Serial Hub Installer User Guide To display general statistics 1 From the Top Menu enter 5 to select Status The Status Menu will be displayed 2 Enter 1 to select General statistics Displaying Port Statistics The Port Statistics display includes the information described in Table 4 3 on page 39 for one or all ports All values are cumulative since the ESP serial hub was last reset To display port statistics 1 From the Top Menu enter 5 to select Status The Status Menu will be displayed 2 Enter 2 to select Port statistics The Port Selection Menu will be displayed 3 Enter the number corresponding to a port or 0 to select all ports Displaying Connection Status The Connection Status display has two sections Serial Port Active Connection Status and Port Redirection Connections The Serial Port Active Connection Status section includes the information described in Table 4 4 on page 39 for one or all ports The Port Redirection Connections section includes the information described in Table 4 5 on page 40 about the servers that are connec
65. itiated from BootP DHCP or a third party SNMP agent access the web interface see Accessing the Web Interface on page 31 then select Configuration File Download from the Main Menu Any errors will be posted in the Status from last operation field If the last operation completed successfully the field will be blank 61 7 ESP Install Program The ESP Install program may be used to install modify and remove redirected serial ports and ESP drivers on supported Windows systems By using a script file you may streamline the process of installing multiple hubs The program uses a series of commands keywords and keyword value pairs to identify address information assign logical COM ports to physical ports and specify other driver related information You may also use this program to remove uninstall previously installed drivers for ESP serial hubs A hub may be removed in the same script file that installs other ESP hubs This allows you to update a driver without having to reboot the ESP hubs This chapter describes the available commands and how to use them It is written for administrators who are familiar with Windows driver features and terminology Running the ESP Install Program There are two ways to run the ESP Install program at the command prompt e When you type espinstall exe at the command prompt with no parameters a help screen will be displayed You may then enter commands to install one hub at a time During this proc
66. k Configuration Values on page 45 Using the serial port redirection connection method Install the ESP drivers included on the SuperSerial CD be sure to check the Avocent web site www avocent com for the latest version You may also use the ESP Install program with a script file to automate the installation see ESP Install Program on page 61 Using a configuration file If you are using a configuration file with a BootP or DHCP server consult your operating system documentation to determine how to configure the BootP or DHCP server e After the ESP hub acquires an IP address by any method it will no longer use BootP or DHCP Therefore you cannot change the network values using this method e ESP hub requires a permanent IP allocation If you are using DHCP it must have an infinite lease on the assigned IP address an IP address with a finite lease will not be accepted 12 ESP Serial Hub Installer User Guide The BootP or DHCP server may also specify a configuration file using the bootfile parameter See Chapter 6 beginning on page 55 for more information After startup and address configuration After the ESP serial hub s network information has been configured you may configure each of the ports Most port operations may be initiated for one port or all ports To configure ports e Using the web interface see Displaying or Changing Serial Port Attributes on page 33 Displaying or Changing Port Connectio
67. lation command The Port Modem Emulation command enables or disables the modem emulation connection method on one or all serial ports See Table 3 5 on page 21 for parameter descriptions and rules for use PORT port lALL MODEM ENABLEIDISABLE INCOMING ENABLEIDISABLE AUTOANSWER ENABLEIDISABLE LOCALPORT lt port gt OUTGOING ENABLEIDISABLE DESTIP lt ip_add gt DESTPORT lt dest_port gt ECHO ENABLEIDISABLE VERBOSE 01 11213 RESPONSECODES ENABLEIDISABLE MONITORDCD ENABLEIDISABLE BUFFERING lt hsec gt TIMEOUT lt sec gt Dialout Translation command The Dialout Translation command is used to translate telephone numbers to an IP address and IP port This command is valid only when the modem emulation connection method is enabled and outgoing calls are enabled You may configure up to eight sets for each ESP hub serial port See Dialout translation on page 27 for more information DIALOUT TRANSLATION PORT lt port gt IALL SET lt set_number gt NUMBER lt translate_string gt IPADDR lt ip_add gt IPPORT lt dest_port gt Port Configuration Utility command The Port Configuration Utility command enables or disables the configuration utility connection method on one or all serial ports See Table 3 9 on page 28 for parameter descriptions and rules for use PORT lt port gt ALL CONFIGUTIL ENABLEIDISABLE TIMEOUT lt sec gt Port Attributes Command The Port Attributes command specifies attributes for one or all ser
68. le 3 10 Serial Port Valid and Default Values eese 29 Table 3 T1 Configurable Featutes sitet aar e repe eH 29 Table 4 1 Reference to Connection Method Rules and Values sese 34 Table 4 2 General Statistics Display eese eene neret nre eene 38 Table 4 3 Port Statistics iet tee etm ee ete terere ordeo ete 39 Table 4 4 Serial Port Active Connection Status Display essent 39 Table 4 5 Serial Port Redirection Connections Status Display eee 40 Table 5 1 Reference to Connection Method Rules and Values sese 47 Table 6 1 Configurable Features Commands eee eee 59 Table 7 1 ESP Install Program Commands nennen nennen nennen 64 viii ESP Serial Hub Installer User Guide Table 8 1 ESP View Utility Datascope Window Buttons eese 68 Table 8 2 ESP View Utility Status Display cesses eene enne nee enne nennt 71 Table A 1 ESP Serial Hub Technical Specifications eese 73 Table C 1 RS 422 CAT 5 Adaptor Pin Assignments eee eese nennen ene 77 Table 2 RS 485 CAT 5 Adaptor Pin Assignments eese enne 77 Table Adaptors for Use with CAT 5 and CAT 6 Cable sss 78 Table C 4 Reversing Adaptors and Cables esee 78 Introduction Features ESP Ethernet serial hubs contain an auto
69. le features 37 enabling connection methods 33 launching the ESP View diagnostic utility 38 rebooting 41 reinitializing 41 setting a password 31 setting network address and interface values 32 setting port attributes 33 updating Flash 36 using the Documentation link 31 K 7 Avocent The Power of Being Therese For Technical Support www avocent com support Avocent Corporation 4991 Corporate Drive Huntsville Alabama 35805 6201 USA Tel 1 256 430 4000 Fax 1 256 430 4031 Avocent Asia Pacific Singapore Branch Office 100 Tras Street 15 01 Amara Corporate Tower Singapore 079027 Tel 656 227 3773 Fax 656 223 9155 Avocent Canada 20 Mural Street Unit 5 Richmond Hill Ontario L4B 1K3 Canada Tel 1 877 992 9239 Fax 1 877 524 2985 590 587 501A Avocent International Ltd Avocent House Shannon Free Zone Shannon County Clare Ireland Tel 353 61 715 292 Fax 353 61 471 871 Avocent Germany Gottlieb Daimler StraBe 2 4 D 33803 Steinhagen Germany Tel 49 5204 9134 0 Fax 49 5204 9134 99
70. lls 28 modem commands 24 outgoing calls 26 response codes 26 Modular adaptors for use with CAT 5 cable 78 reversing 78 N Network address and interface values setting in a configuration file 59 setting in the configuration utility 45 setting in the web interface 32 Network interface 9 Operating systems 1 P Parity 29 Passwords setting in the configuration utility 45 setting in the web interface 31 Physical interfaces 6 Pin assignments Ethernet 9 serial ports 7 Port attributes 28 changing the interface in a configuration file 57 changing the interface in an ESP 2 MI hub 75 changing the interface in the configuration utility 48 changing the interface in the web interface 34 displaying statistics in the configuration utility 52 displaying statistics in the web interface 39 interfaces 6 pin assignments 7 setting attributes in a configuration file 58 setting attributes in the configuration utility 46 setting attributes in the web interface 33 valid and default values 29 Power connectors 10 Predefined IP address 31 43 R Raw TCP client See TCP client connection method Raw TCP server See TCP server connection method Reinitialization in hardware 13 in the configuration utility 51 in the web interface 41 Reset Reboot in hardware 13 in the configuration utility 51 in the web interface 41 Index 83 Response codes 26 RS 485 transfer mode about 7 setting in a configuration file 58 setting in the c
71. load 3 You are prompted to specify the TFTP server IP address and the pathname of the configuration file Enter those values The outcome of the configuration update will be displayed If an error occurred with the TFTP address or file pathname the message will indicate a time out condition If an error was encountered in the configuration file the display includes the command line number and the erroneous entry The configuration is updated immediately but some changes may not take effect until the next reboot The display will indicate if a reboot is required Rebooting the Hub The Reboot operation reboots the ESP serial hub A reboot is usually required for the following operations to take effect e Changing network address values e Changing any configurable features e Updating Flash e Downloading a configuration file To reboot 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed 2 Enter 6 to select Reboot You may also reboot the hub using the web interface see Rebooting the Hub on page 41 or the RESET button on the front panel see Resetting on page 13 Reinitializing the Hub The Reinitialize operation resets all configurable values to their factory defaults including the IP address and password To reinitialize 1 From the Top Menu enter 0 to select Server Configuration The Server Configuration Menu will be displayed 2 Enter 7 to select Re In
72. lot number for the embedded kernel image The previously installed image is maintained as a backup The Bootloader field indicates the version number and size of the bootloader image The FPGA field indicates the version number and size of the FPGA To update the application image a b Click Update Application The Application Image Update window appears Enter the IP address of the TFTP server and the application image filename Click Apply The update process may take up to 30 seconds to complete After the update completes status will be displayed To update the bootstrap image a b Click Update Bootstrap The Bootstrap Image Update window appears Enter the IP address of the TFTP server and the bootstrap image filename By default the bootloader will only be updated if the version number of the new image is greater than the version number currently installed If you wish to downrev the bootloader that is use a previous earlier version enable the Update Bootloader Regardless of Version checkbox It is generally recommended that this checkbox be disabled Click Apply The update process may take up to 30 seconds to complete After the update completes status will be displayed The new Flash image will be used after the ESP serial hub reboots Displaying or Changing Configurable Features The Configurable Features display includes the current settings of the features described in Table 3 11 on page 29
73. m the ESP hub at the other end of the connection The remote hub will then send any data it may have stored ATQ Enables ATQO or disables ATQ1 response codes The default value is ATQO This command is equivalent to the Response Codes option that is specified when configuring the modem emulation connection method If you issue this command with a value that differs from the configured option value the new value will override the configured value only for this connection Subsequent connections will use the configured Response Codes option value Chapter 3 Connection Methods Attributes and Configurable Features 25 Table 3 6 Modem Commands Continued EEE MES NC M ON o o io o o a as Command Description Sets the value in register SO which specifies the number of rings before auto answer ATSO n The default value is 1 Specifies whether text or numeric codes will be returned in response to modem AT commands and how unknown commands will be handled Valid values are ATVO text codes will be used unknown commands cause an error ATV1 numeric codes will be used unknown commands cause an error ATV2 numeric codes will be used unknown commands discarded ATV3 text codes will be used unknown commands discarded ATV The default value is ATVO Table 3 7 on page 26 lists the numeric and text codes This command is equivalent to the Verbose Response option that is specified when config
74. mand TYPE lt type gt ESP hub type Valid values include ESP 2 MI ESP 4 MI ESP 8 MI and ESP 16 MI WINDOWDEBUG 0 1 Enables 1 or disables 0 inclusion of addition debug information in the ESPinstall log file related to the automated responses to the Windows dialogs for an unsigned driver The default is disabled Sample Script File The following sample script file Removes the driver information for the ESP hub with address 10 0 0 116 Installs the driver information for the ESP 2 MI hub with address 10 0 0 115 This hub s MAC address is 00 80 7D 94 65 00 This hub is on the local gateway and subnet Physical port 1 is mapped to logical port COM30 and physical port 2 is mapped to logical port COMAO The interface for port 1 is RS 485 and the interface for port 2 is RS 232 66 ESP Serial Hub Installer User Guide The heartbeat rate is 10 seconds and the heartbeat time out is 80 seconds All other values transmit drain no flush send modem status send comms status no purge and open persist assume their default values Updates modifies the driver information for the ESP 4 MI hub at address 10 0 0 117 Physical port 3 is remapped to logical port COM100 and physical port 4 is remapped to logical port 110 The transmit drain feature is disabled for port 1 The following command removes information about the ESP hub at IP address 10 0 0 116 remove 10 0 0 116 The following commands
75. n Methods on page 33 and Displaying or Changing the Serial Port Physical Interface on page 34 e Using the configuration utility see Displaying or Changing Serial Port Attributes on page 46 Displaying or Changing Connection Methods on page 46 and Displaying or Changing the Serial Port Physical Interface on page 48 e Using a configuration file see Port Interface Command on page 57 Port Connection Method Commands on page 57 and Port Attributes Command on page 58 When Changes Take Effect When you change values the ESP serial hub s memory is updated immediately Some changes take effect immediately others take effect when the next connection is established with a port or after the hub is rebooted Table 2 7 indicates when each type of change takes effect Table 2 7 When Changes Take Effect Action Immediately xe After reboot Network address changes IP gateway subnet X Network interface speed X Enabling disabling the hub s configurable features X Changing a port s physical interface X Enabling disabling a port s connection methods X Changing a port s attributes X Updating a Flash image X Downloading a configuration file X Changing a web interface configuration utility password takes effect the next time the web interface or the configuration utility is accessed Chapter 2 Hardware Installation and Network Configuration 13 Reinitializing and Resetting the Hub The information in this sec
76. n status If data is available it is read and saved in a receive or transmit data bucket If there is no data available the state of the control signals will be checked If there was a control signal change the sample will be saved even if there is no data to save Once a successful sample is collected the most recent status is checked to see if there is any more data pending to be read If there is the next sample is requested immediately If not a 50 millisecond delay is invoked before the next sample This mitigates the amount of TCP traffic generated by the datascope when the serial port is not busy Sample buckets Each sample is collected in a bucket that may contain up to 1024 characters plus the corresponding control signals Buckets are stored in a circular buffer You may configure the maximum number of buckets in the buffer If the maximum is exceeded the oldest buckets are overwritten Data is saved only if there has been a change in state during the five second time out interval that is if data has been transmitted or received or a change in the control signals is detected Theoretically if there is no data traffic on the serial interface buckets could be filled with only control signals and no data would be available for later analysis This occurrence is unlikely but possible The sampling rate is driven by data or time outs not the control signals It is therefore possible that multiple control signal transitions co
77. n the Available Documentation page enable the Sample Configuration File radio button then click Apply The sample file will be displayed 4 Copy the sample file You may either select and paste the content or save the frame to your system 5 Using an editor of your choice remove the comment character from the beginning of each line containing a command you want to execute 6 Following the rules listed in File Format and Command Syntax on page 56 tailor the required and optional parameters to meet your requirements For example if the sample command enables a feature and you want to disable it replace the word enable with disable Replace address and port parameters with values that are meaningful to your configuration Copy and edit the commands as needed to configure all serial ports Save the customized file 56 ESP Serial Hub Installer User Guide File Format and Command Syntax Configuration files must conform to the following conventions Each command must begin on a new line Command words are not case sensitive Parameters are separated by one or more spaces Parameters with values that enable or disable connection methods or features use a space between the keyword and the value For example port 2 tcpserver enable monitordcd enable ipviadhcp disable When enabling disabling a connection method the Enable or Disable keyword must be the first parameter specified after the connection method name Additional required or
78. n the preceding ESP 2 hub example physical port 1 was mapped to logical port COMDO0 and physical port 2 was mapped to logical port COMAO The specified logical COM port number must be in the range 0 255 and it must be unique only one physical port may be assigned to a particular logical COM port number The current mapping may be obtained from the Windows Device Manager on the ESP property page and the Starting COM Port listboxes A current list may also be generated by entering espinstall list You may remap logical port numbers at any time as long as they do not conflict with any existing mappings Updating ESP Hub Configurations You may use the ESP Install program to update the information used by drivers for an ESP serial hub Update information for each hub is also specified within an ESP END block The first command is ESP The IP and Type commands are required to identify the serial hub to update NOTE If you wish to change a hub s IP address the hub must first be initialized with no IP address Enter additional commands as needed to modify update the configuration The last command for each hub s block must be END Changes take effect immediately you do not need to reboot the hub Removing ESP Hubs You may use the Remove command to uninstall remove a previously installed ESP serial hub The Remove command specifies the IP address of the hub to be removed This command is issued outside of an ESP END command block but
79. nal After the IP address is configured the hub will no longer be accessible with the predefined IP address The ability to access the web interface is a configurable feature which is enabled by default see Configurable Features on page 29 If you click the Documentation link in the Main Menu you may then choose to download a copy of this document Installer User Guide or a sample configuration file Passwords The web interface requires an administration password for access When the ESP serial hub ships and after it is reinitialized there is no configured password When you access the hub you are prompted for a username and password The username field is ignored If a password has not yet 32 ESP Serial Hub Installer User Guide been set any alphanumeric password will be accepted Once you enter the web interface you will be required to configure a password before requesting any other operations Some browsers have a feature to remember the password If this is enabled you will not need to enter the password at the username password prompt in future sessions The administration password is common between the web interface and the configuration utility When using the web interface the password is encrypted by the browser when it is sent to the interface regardless of whether the web interface connection is secure If you reinitialize the serial hub the password is lost You will be required to create a password the next t
80. ndpoint of the TCP connection The default value is disabled Idle TCP buffering Modem emulation ESP serial hubs may be used to replace costly POTS line calls with cost effective raw TCP sessions To accomplish this the ESP hub provides a connection method called modem emulation Two ESP hubs work in conjunction to emulate the connection One ESP hub will establish the connection in response to AT commands The other ESP hub will emulate a modem that has received an incoming call The modem emulation connection method enables an ESP hub serial port to emulate modem dial and answer functionality The hub presents a Hayes compatible modem interface to the attached serial device by accepting AT modem commands and performing the required functions This connection method is valid only on RS 232 ports For information about available adaptors that can be used with modem emulation see Adaptors on page 77 Table 3 5 describes this method s configurable items for each serial port Table 3 5 Modem Emulation Connection Method Configurable Items Item Description Enable Enables or disables the modem emulation connection method on the port See Exclusivity iid and restrictions on page 15 The default value is disabled All Enables or disables incoming calls that is raw TCP sessions originating remotely When OW enabled the ESP hub will listen for inbound raw TCP connection requests See ncoming ncoming calls on page 2
81. nfigure network parameters download and install Flash images reboot reinitialize and monitor ESP hub status For more information see Chapter 5 beginning on page 43 Table 3 9 describes this method s configurable items for each serial port Table 3 9 Configuration Utility Connection Method Configurable Items Item Description Enables or disables the configuration utility connection method on the port See Enable disable Exclusivity and restrictions on page 15 The default value is enabled for port 1 and disabled for other ports Specifies the length of time before the configuration utility is disconnected if there is no activity Valid values are 0 65535 seconds A 0 value disables the inactivity time out Inactivity time out For example a value of 60 indicates the configuration utility will be disconnected if there is no activity for a period of 60 seconds The default value is 0 disabled Serial Port Attributes Each serial port has a set of attributes You may change the attribute values using any of the available tools e Web interface see Displaying or Changing Serial Port Attributes on page 33 e Configuration utility see Displaying or Changing Serial Port Attributes on page 46 e Configuration file see Port Attributes Command on page 58 Chapter 3 Connection Methods Attributes and Configurable Features 29 NOTE When a port is configured for the serial port redirection connection method the attri
82. nnection mode is Connect on DCD and the DCD signal is lowered Table 3 4 describes this method s configurable items for each serial port Table 3 4 Raw TCP Client Connection Method Configurable Items Item Description Enables or disables the raw TCP client connection method on the port See Exclusivity and Enable disable restrictions on page 15 The default value is disabled Specifies the IP address of the raw TCP server This is a required item there is no default value Only one destination address can be configured for each serial port The address cannot be 0 0 x x 127 x x x 192 1 1 1 248 255 x x x or the IP address of the ESP hub Destination IP address 20 ESP Serial Hub Installer User Guide Table 3 4 Raw TCP Client Connection Method Configurable Items Continued a Item Description Specifies the IP port number on which the remote server is listening Valid values are 0 65535 If the destination IP port is on an ESP hub 4000 and 4100 should not be used Destination IP If the all ports option is being used for configuration this value specifies the destination IP port number port base Each port s actual destination IP port number will be the base plus the port base number For example if 6000 is specified as the destination IP port base the destination IP port number for port 1 will be 6001 port 2 will be 6002 and so on The default value is 4001 for port 1 4002 for po
83. nstall program may be used to install modify and remove Windows drivers for ESP serial hubs without the need for on site technical personnel See ESP Install Program on page 61 All other connection methods do not require the use of drivers Management tools You may configure and manage an ESP serial hub using the following tools Web interface see Chapter 4 beginning on page 31 Configuration utility see Chapter 5 beginning on page 43 Configuration files see Chapter 6 beginning on page 55 Unix system utilities espcfg and espdiag Unix systems these utilities have limited support for connection methods other than port redirection Socket Application Program Interface API The web interface and the configuration utility offer the most comprehensive sets of available operations including Displaying and changing network configuration values Displaying and changing a port s physical interface ESP 4 MI ESP 8 MI and ESP 16 MI hubs Displaying and changing a port s attributes Displaying enabling disabling and configuring connection methods for each port Sending a line break to a port Displaying hardware information Displaying or updating Flash memory Displaying or enabling disabling configurable features Downloading a configuration file Rebooting or reinitializing the hub Displaying general and port statistics Displaying connection status Diagnostics e Using the web interface you may launch the ESP View diagnos
84. nu Displaying Port Statistics The Port Statistics display includes the information described in Table 4 3 for one or all ports All values are cumulative since the ESP hub was last reset This display refreshes every five seconds Table 4 3 Port Statistics Display Item Description Status Port status flags Destination IP Address IP address of the server that has the port open Receive Bytes Number of bytes received Transfer Bytes Number of bytes transmitted Signals Current value of the RS 232 signals RTS CTS DTR DSR and CD A signal is listed in the display only if it is asserted high Baud rate data size 5 8 bits parity N none O odd E even M mark or pauio S space and number of stop bits 1 or 2 Frame Parity Overrun Number of framing errors parity errors and overruns To display port statistics 1 Select Port Statistics from the Main Menu The Serial Port Selection window will open 2 Selecta port number or all ports then click Apply Displaying Connection Status The Connection Status display has two sections Serial Port Active Connection Status and Port Redirection Connections This display refreshes every five seconds The Serial Port Active Connection Status section includes the information described in Table 4 4 for one or all serial ports Table 4 4 Serial Port Active Connection Status Display Item Description Connection method serial port
85. o on Inactivity time out Specifies the length of time before the Telnet session is disconnected if there is no activity Valid values are 0 65535 seconds A 0 value disables the inactivity time out For example a value of 60 indicates the Telnet session will be disconnected if there is no activity for a period of 60 seconds The default value is 0 disabled Serial buffering Specifies the length of time accumulated serial data should be buffered before being sent across the network to the Telnet client Valid values are 0 65535 hundredths of a second A 0 value indicates that data will be sent as soon as it is available For example a value of 100 indicates that once serial data is received it will remain buffered up to 1 second 100 hundredths of a second at which time all data will be sent If the buffer becomes half full the time is ignored and the data is sent The default value is 0 send immediately Raw TCP server The raw TCP server connection method allows a remote client to make a TCP socket connection to a serial port on the ESP hub and then transmit receive data using standard TCP The remote client initiates the TCP session using a predefined IP port number When this method is enabled the TCP server will accept a connection from any valid remote IP address There is no filtering of remote addresses When a remote raw TCP client attempts to establish a connection the raw TCP server will accept the c
86. ocedures outlined 2 Check our web site at www avocent com support to search the knowledge base or use the on line service request 3 Call the Avocent Technical Support location nearest you 81 Adaptors for use with CAT 5 cable 78 reversing 78 AT commands 24 Baud rate 29 Bits per character 29 BootP 11 60 Buttons 5 C Configurable features enabling in a configuration file 59 enabling in the configuration utility 50 enabling in the web interface 37 Configuration file about 55 changing the port interface 57 command syntax and file format 56 completion status 60 downloading in the configuration utility 50 downloading in the web interface 37 enabling configurable features 59 enabling connection methods 57 sample 55 setting network address and interface values 59 setting port attributes 58 ways to initiate a download 59 Configuration utility about 44 accessing 43 changing the port interface 48 displaying connection status 52 displaying general statistics 51 displaying hardware information 49 displaying port statistics 52 downloading a configuration file 50 enabling configurable features 50 rebooting 51 reinitializing 51 setting a password 45 setting connection methods 46 setting network address and interface values 45 setting port attributes 46 updating Flash 49 using debug features 52 Configuration utility connection method about 28 configurable items description 28
87. onfiguration utility 48 setting in the web interface 34 S Serial port redirection connection method about 16 configurable items description 16 enabling in a configuration file 57 enabling in the configuration utility 46 enabling in the web interface 33 Socket API 3 Specifications 73 Startup sequence 11 Statistics general displaying in the configuration utility 51 displaying in the web interface 38 Statistics port displaying in the configuration utility 52 displaying in the web interface 39 Stop bits 29 T TCP client connection method about 19 configurable items description 19 enabling in a configuration file 58 enabling in the configuration utility 46 enabling in the web interface 33 TCP server connection method about 17 configurable items description 18 enabling in a configuration file 57 enabling in the configuration utility 46 84 ESP Serial Hub Installer User Guide enabling in the web interface 33 Technical specifications 73 Technical support 80 Telnet server connection method about 16 configurable items description 17 enabling in a configuration file 57 enabling in the configuration utility 46 enabling in the web interface 33 Termination 7 W Web interface about 31 accessing 31 changing the port interface 34 displaying connection status 39 displaying general statistics 38 displaying hardware information 36 displaying port statistics 39 downloading a configuration file 37 enabling configurab
88. onnection only if the port is not already 18 ESP Serial Hub Installer User Guide open and in use by any connection method including an existing raw TCP server connection on that port If the port is currently in use the connection request will be rejected The TCP session will remain active until the remote client closes the TCP socket the TCP connection is broken or the inactivity time out if enabled occurs Table 3 3 describes this method s configurable items for each serial port Table 3 3 Raw TCP Server Connection Method Configurable Items Item Description Enable disable Enables or disables the raw TCP server connection method on the port See Exclusivity and restrictions on page 15 The default value is disabled Local IP port number base Specifies the IP port number on which the TCP server will listen If the all ports option is being used for configuration this value specifies the local IP port base Each port s actual local IP port number will be the base plus the port number For example if 6000 is specified as the base the local IP port number for port 1 will be 6001 port 2 will be 6002 and so on This value or its result when using the a ports option must meet the following criteria It cannot conflict with the port numbers specified for other enabled connection methods on any port Valid values are 1024 65535 except 4000 and 4100 which are reserved When using the a po
89. ports on the ESP 2 MI ESP 4 MI and ESP 8 MI hubs may be configured to support the following physical interfaces e 5 232 signaling e 65 422 signaling default e 65 485 2 wire half duplex HD signaling On ESP 16 MI hubs the first eight serial ports ports 1 8 may be configured to support any of the physical interfaces noted above The remaining eight ports ports 9 16 are dedicated RS 232 ports By default RS 232 is enabled on all serial ports For ESP 2 MI hubs internal jumper settings select the physical interface for each port See Changing the Serial Port Interface on ESP 2 MI Hubs on page 75 Chapter 2 Hardware Installation and Network Configuration 7 For ESP 4 MI ESP 8 MI and ESP 16 MI hubs the physical interface can be changed in software using any of the available tools e Web interface see Displaying or Changing the Serial Port Physical Interface on page 34 e Configuration utility see Displaying or Changing the Serial Port Physical Interface on page 48 e Configuration file see Port Interface Command on page 57 Termination When the RS 422 or RS 485 interface is enabled for a serial port you may also enable disable 100 ohm termination of the differential receive signal pair on that port This termination is typically used in RS 485 environments when the device is the first or last on a multi drop line for a 2 wire configuration This termination should always be set when the hub is configured for R
90. provide driver installation information about the ESP hub at IP address 10 0 0 115 esp type esp 2 mi ip 10 0 0 115 mac 00 80 7d 94 54 00 pl com30 p2 com40 il rs 485 i2 rs 232 rate 10 timeout 80 end The following commands update driver information for the ESP 4 MI serial hub at IP address 10 0 0 117 esp type esp 4 mi address 10 0 0 117 p3 com100 p4 com110 fl txdrain off end 67 ESP View Diagnostic Utility The ESP View diagnostic utility is launched from the web interface This utility may be used for datascope loopback and status functions Requirements e One of the following browsers e Internet Explorer 6 0 with service pack 1 or later Windows systems only e Mozilla version 1 7 3 or later e Firefox version 1 0 or later e Netscape version 7 2 or later e JRE Java Runtime Environment version 1 4 or higher on the system where the browser is being used sockets based network administration configurable feature must be enabled See Configurable Features on page 29 for more information Accessing and Exiting the ESP View Utility To launch the ESP View utility 1 Access the ESP hub web interface see Accessing the Web Interface on page 31 2 From the Main Menu of the web interface select Diagnostic Utility The ESP View utility will launch and the datascope will open To exit the ESP View utility From the ESP View utility menu select File Exi
91. r any port To change the interface select a value from the Port Interface listbox If you select RS 422 or RS 485 you may also set a radio button in the RS422 RS485 Termination field to enable or disable 100 ohm termination See Termination on page 7 for more information For ESP 2 MI hubs configured for RS 485 in hardware the Transfer Mode RS485 field indicates the current transfer mode If the port is hardware configured for another interface type this field indicates Not Applicable To change the transfer mode select RTS or ADDC from the listbox See RS 485 transmitter and receiver transfer modes on page 7 for more information If you changed the interface click Apply The change will take effect immediately Warnings and errors A warning will be displayed but the change will be allowed if the RS 422 or RS 485 interface is enabled and Hardware flow control is enabled in the port attributes Monitor DCD is enabled for the TCP server or TCP client connection methods and those methods are enabled Modem emulation is enabled If these changes were applied to all ports the warning will indicate the affected ports 36 ESP Serial Hub Installer User Guide Sending a Break to a Port The Send Break feature sends a line break to an attached device on one or all ports To send a break to one or all ports 1 From the Main Menu select Port Break The Serial Port Selection window will open 2 Select a port number or
92. r press Enter to leave the value unchanged When the port attribute menus are completed you are prompted to confirm the changes Confirm or cancel the changes Warnings and errors A warning will be displayed but the change will be allowed if hardware flow control is specified for a port that is not configured with the RS 232 interface If the change was applied to all ports the warning will indicate the affected ports Displaying or Changing Connection Methods You may display or change the connection methods for one or all ESP hub serial ports See Serial Port Connection Methods on page 15 for more information To display or change the connection methods for one or all ports 1 From the Top Menu enter 2 to select Serial port connection methods The Port Selection Menu will be displayed Enter the number corresponding to a port or 0 to select all ports e Ifa single port was selected the display contains the current values of the port s connec tion method parameters e Ifall ports was selected the display contains the default values for the connection method parameters which may differ from the current values for any port Chapter 5 Configuration Utility 47 If a connection method is enabled its configurable options are also displayed If a method is disabled no configurable options are displayed You are prompted to modify each connection method Enter y for yes or n for no If you choose to modify the connect
93. radio frequency energy and if not installed and used in accordance with the instruction man ual may cause harmful interference to radio communications Operation of this equipment in the residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canadian Notification This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique dict par le Minist re des Communications du Canada European Union WARNING This is a Class A product In domestic environment this product may cause radio interference in which case the user may be required to take adequate measures TABLE OF CONTENTS OF CONTENTS UU vii Chapter 1 Introduction 2 2 eL iecit echan cens 1 Features e te UR Er ERR RR RERUM NUN a IER Ud Ren 1 Serial port dCC6s 4 iacob n E ERE RD e RE Eee Rie end 1 Management 523 i e ep RH EHE e E RE ees tee 2 eec geh t e Re Ee OO be tee or EHE or
94. re Always Connect Always attempt to establish the TCP connection Connect on Data The TCP connection will be established upon receiving the first data character from the serial port Connecton DCD Valid only on RS 232 ports The TCP connection will be established when the DCD signal is logically high The default value is Always Connect Connection mode Specifies the length of time accumulated serial data should be buffered before being sent to the remote server Valid values are 0 65535 hundredths of a second A 0 value indicates that data will be sent as soon as it is available For example a value of 100 indicates that once serial data is received it will remain buffered up to 1 second 100 hundredths of a second at which time all data will be sent If the buffer becomes half full the time is ignored and the data is sent The default value is 0 send immediately Serial buffering Chapter 3 Connection Methods Attributes and Configurable Features 21 Table 3 4 Raw TCP Client Connection Method Configurable Items Continued SSS ES eS _ NN CO MN NNNM NN lt Item Description Enables or disables buffering of received serial data while waiting for a TCP connection to be established When enabled the most recent 20K bytes of data are held in an internal buffer Once the connection is established the buffered serial data is sent to the remote e
95. redirection Telnet server TCP server TCP client Serial Connection Method modem emulation configuration utility or idle If a port is idle no other values will be displayed Destination IP Address IP address of the remote server 40 ESP Serial Hub Installer User Guide Table 4 4 Serial Port Active Connection Status Display Continued Item Description Bytes Received Number of bytes received from the serial port since the current connection session was established Bytes Transmitted Number of bytes transmitted on the serial port since the current connection session was established Connect Time Number of days hours minutes and seconds that the current connection has been established Inactivity Timeout Number of minutes and seconds in the configured inactivity time out value for this session If no time out was configured this field indicates disabled Time Remaining Number of minutes and seconds remaining until the inactivity time out occurs If no time out was configured this field indicates not applicable The Port Redirection Connections section includes the information described in Table 4 5 about the servers that are connected to one or all of the ESP serial ports This display is meaningful only when a serial port is being accessed using the serial redirection connection method Table 4 5 Serial Port Redirection Connections Status Display Item Description Destina
96. rt 2 and so on Specifies the IP port number for the embedded TCP client If the all ports option is being used for configuration this value specifies the local IP port base Each port s actual local IP port number will be the base plus the port number For example if 6000 is specified as the base the local IP port number for port 1 will be 6001 port 2 will be 6002 and so on This value or its result when using the a ports option must meet the following criteria Local IP port It cannot conflict with the port numbers specified for other enabled connection methods on number base any port Valid values are 1024 65535 except 4000 and 4100 which are reserved When using the a ports option 4000 or 4100 may be used as the base However you cannot specify a base that when added to a port number will equal 4000 or 4100 When using the all ports option all ports must be valid or the entire selection will not be accepted The default value is 4001 for port 1 4002 for port 2 and so on Specifies the length of time before the TCP session is disconnected if there is no activity Valid values are 0 65535 seconds A 0 value disables the inactivity time out For example a value of 60 indicates the TCP session will be disconnected if there is no activity for a period of 60 seconds The default value is 0 disabled Inactivity time out Specifies the criteria for establishing the TCP connection Valid values a
97. rt since the last reboot Overrun Errors Number of overruns on the serial port since the last reboot 72 ESP Serial Hub Installer User Guide Table 8 2 ESP View Utility Status Display Continued Field Description Speed Configured baud rate for the serial port Size Configured data size bits per character for the serial port Parity Configured parity for the serial port Stop Configured number of stop bits for the serial port Flow Control Configured flow control for the serial port The right panel contains a graphical display of a DB 9 connector which indicates the state of the control signals red low green high The transmit and receive signals are always red If any control signals change the colors will reflect the change The area under the connector graphic will contain a rotating circle when status is being monitored To use the status function Launch the ESP View utility Click the Diagnostics tab or select Diagnostics form the ESP View utility menu In the Settings area select the ESP hub port number or All Enter a sampling rate which specifies how often the hub will be polled pss npa To start polling click Play A rotating circle in the lower right corner of the window indicates that polling and display updating are occurring D To pause polling click Pause To resume click Pause again 7 stop polling click Stop 73 APPENDICES Appendix A Tec
98. rts option 4000 or 4100 may be used as the base However you cannot specify a base that when added to a port number will equal 4000 or 4100 When using the all ports option all ports must be valid or the entire selection will not be accepted The default value is 4001 for port 1 4002 for port 2 and so on Inactivity time out Specifies the length of time before the TCP session is disconnected if there is no activity Valid values are 0 65535 seconds A 0 value disables the inactivity time out For example a value of 60 indicates the TCP session will be disconnected if there is no activity for a period of 60 seconds The default value is 0 disabled Monitor DCD Valid only on RS 232 ports Enables or disables monitoring of the DCD signal which is an indication that a serial device is attached and powered on When enabled the TCP server will refuse the TCP connection if the inbound DCD signal is logically low at the time the connection is initiated If the inbound DCD signal changes from logically high to low while a TCP session is active the TCP connection will be closed The default value is disabled Chapter 3 Connection Methods Attributes and Configurable Features 19 Table 3 3 Raw TCP Server Connection Method Configurable Items Continued SoS EEE EE eT SSS Item Description Specifies the length of time accumulated serial data should be buffered befor
99. s the ESP hub to answer an incoming call ATDT lt ip gt lt socket gt Initiates a TCP connection to the specified host A comma period or nothing may be used to separate IP address octets TCP ports may be delimited by a comma or colon For example the following commands are all valid ATDT 10 100 128 129 3001 ATDT 10 100 128 129 3001 ATDT 010100128129 3001 The IP address and socket number are required unless they were configured when the modem emulation connection method was enabled see Modem Emulation Connection Method Configurable Items on page 21 The dialout translation feature may be enabled to translate from an input string usually a telephone number to an IP address IP port see Dialout translation on page 27 ATE Enables ATEO or disables ATE1 echo mode The default value is ATE1 This command is equivalent to the Echo option that is specified when configuring the modem emulation connection method If you issue this command with a value that differs from the configured option value the new value will override the configured value only for this connection Subsequent connections will use the configured Echo option value ATH Disconnects the network session The ESP hub will close the active TCP session and return the appropriate code No Carrier or 3 depending on the ATV value ATO Returns the ESP hub to data mode When the hub returns to data mode it once again listens for incoming data fro
100. s the port number For example if 6000 is specified as the destination IP port base the destination IP port number for port 1 will be 6001 port 2 will be 6002 and so on The default value is 5001 for port 1 5002 for port 2 and so on Enables or disables echo mode When enabled modem commands are echoed to the attached serial device When disabled modem commands are not echoed This option affects only modem commands not session data Echo The default value is enabled This option is equivalent to an ATE modem command If an ATE command is issued with a different value the new value will be used during that connection but it will not replace this configured value The configured Echo value will be used for subsequent connections Chapter 3 Connection Methods Attributes and Configurable Features 23 Table 3 5 Modem Emulation Connection Method Configurable Items Continued SaaS EEE Eee aaa Item Description Verbose Response Specifies whether text or numeric codes will be sent to the serial device in response to modem AT commands and how unknown commands will be handled Valid values are ATVO text codes will be used unknown commands will cause an error ATV1 numeric codes will be used unknown commands will cause an error ATV2 numeric codes will be used unknown commands will be discarded ATV3 text codes will be used unknown commands will be discarded The default value is ATVO Table 3 7 on page 26 lists
101. sensing 10 100 Ethernet port and multi interface MI serial ports MI ports may be configured to use the RS 232 RS 422 or RS 485 physical interface e ESP 2 MI hub contains two MI serial ports e ESP 4 MI hub contains four MI serial ports ESP 8 MI hub contains eight MI serial ports ESP 16 MI hub contains eight MI serial ports and eight dedicated RS 232 ports Modular adaptors are available to facilitate the connection between the ESP serial hub ports and target devices Serial port access All ESP hubs support several ways to access the serial ports Each of these connection methods is described in Chapter 3 beginning on page 15 e Serial port redirection e Telnet server Raw TCP server e Raw TCP client e Modem emulation e Configuration utility Serial port redirection uses drivers installed on a host computer The ESP serial hub drivers are supported on the following operating systems Windows 2000 Windows XP Windows NT 4 0 Windows Server 2003 OpenServer 5 0 5a or higher UnixWare 7 0 1a or higher Linux AIX 4 3 and 5 1 5 2 Sun Solaris for X86 or SPARC 8 or higher 2 ESP Serial Hub Installer User Guide For serial port redirection the ESP hub is configured using the appropriate drivers running on any Microsoft Windows host or espdiag and espcfg for OpenServer UnixWare Linux Sun or AIX systems Certain configuration values are set during driver installation The file driven ESP I
102. so by priority For a standard CAT 5 twisted pair cable the priority is from highest to lowest 100 Mb second full duplex 100 Mb second half duplex 10 Mb second full duplex 10 Mb second half duplex The network interface speed may be specified using any of the available tools e Web interface see Displaying or Changing Network Configuration Values on page 32 e Configuration utility see Displaying or Changing Network Configuration Values on page 45 e Configuration file see Network Command on page 59 10 ESP Serial Hub Installer User Guide Electrical Table 2 6 describes the electrical connector information for the ESP serial hubs For electrical specifications see Technical Specifications on page 73 Table 2 6 ESP Serial Hub Electrical Connectors Model Electrical Connector Two electrical power connectors are located on the front of the hub under the label POWER 9 30 VDC 4W You may use either one of the connectors but not both The hub ships with an external power adaptor This adaptor includes a barrel plug that is inserted into the left power connector ESP 2 MI The hub also contains a 3 pin screw terminal block connector which provides connection for a 9 30 VDC power source The locations of the positive ground and negative pins are printed next to the connector Surge protection is provided for each serial port up to 15 000 volts electrostatic discharge ESD The power connector is located on
103. t Datascope The datascope function collects displays and saves received data transmitted data and control signals from an ESP serial hub Only a single datascope session may be active at any one time on a hub You may display data from either the most recent collection session or from a previously saved session 68 ESP Serial Hub Installer User Guide Datascope window The Settings panel contains listboxes for selecting the serial hub port number and the maximum number of the sample buckets in the buffer see Sample buckets on page 69 for more information The main panel contains 16 rows of data during operation or review 8 receive data rows and 8 transmit data rows arrayed in Rx Tx pairs Each row contains 16 characters of hexadecimal data plus the equivalent ASCII characters Nonprintable ASCII data is displayed as a period Blanks are written in fields where no valid data exists The right panel contains a graphical display of a DB 9 connector that indicates the state of the control signals red low green high The transmit and receive signals are always red If control signals change between samples the colors will change at the start of the next sample display When samples are being collected the area under the connector display contains a timestamp recorded in milliseconds at the beginning of each sample During playback timestamps are displayed relative to the start time of the datascope session not t
104. t is the number of data bytes per second this calculation will not be the same as the fixed Speed value The lower left panel contains the Duration seconds field plus the Play Pause and Stop buttons The lower right panel will contain a rotating circle when the loopback tests are running To use the loopback function Launch the ESP View utility Click the Loopback tab or select Tools Loopback from the ESP View utility menu In the Settings area select the ESP hub port number or All Select the desired operating values from the listboxes Speed Data Parity and Flow Control Select a Loopback Mode Dom EQUES 10 Status Chapter 8 ESP View Diagnostic Utility 71 e Internal the data will be looped back internally e External the data will go out the port to a loopback apparatus such as a wrap plug Select a Pattern e Barber Pole the data is provided by the ESP hub e Defined the ESP hub will use whatever is specified in the adjacent Data text field up to 256 characters In the Duration seconds field enter the number of seconds the loopback tests will run If you specify zero the tests will run continuously until the Stop button is clicked Click Start Polling requests will be sent to the hub every 50 milliseconds When a reply is received the display counts are updated A rotating circle in the lower right corner of the win dow indicates that the loopback tests are running To pause
105. t is 0 0 0 0 IP port number in the range 0 65535 If the destination IP port is on an ESP MI IP port hub 4000 and 4100 should not be used The default is 0 The translation sets are configured when the modem emulation connection method and outgoing calls are enabled 28 ESP Serial Hub Installer User Guide Incoming calls When the Allow Incoming Calls option is enabled the ESP hub will listen on the specified TCP port for connection requests from the network If another call is active an incoming connection request will be rejected If the Monitor DCD option is enabled the connection will be rejected if the control signal is logically low The connection will be closed if the inbound control signal changes from logically high to low When a TCP connection is active the ESP hub will raise the outbound DTR signal to indicate that the connection is valid which should be seen as inbound DCD by the serial device If the remote end breaks the TCP connection DTR will be lowered to indicate a Carrier Drop to the attached serial device Configuration utility The configuration utility connection method may be used on any of the ESP serial ports Using the internal configuration utility you may specify attributes of the ESP hub and its serial ports This includes enabling serial port connection methods and specifying their configurable items plus configuring serial port attributes The menu based interface also allows you to co
106. ta e noa re RO RR RO EROR GR 17 Raw TCP client ei ase eU saa aes es hee apne 19 Modem CMULGHON x sve eei ed 21 iv ESP Serial Hub Installer User Guide Configuration utility esee bp repr p n er Ree db 28 Serial Port Aufibut s eee epe CHE ERR T RS e PERSE 28 Configurable Features siiret db eq et d M Uo 29 Chapter 4 Web 31 Accessing the Web Interface eese eene 31 Passwords ies Sae tee sh epe ei AEG Nise wives OR OR 31 Displaying or Changing Network Configuration eee 32 Displaying or Changing Serial Port Attributes eese eerte nennen enne 33 Displaying or Changing Port Connection Methods 9 Displaying or Changing the Serial Port Physical Interface 34 Sending Break toa Port s eh ie eh aine m a Ne ble el A elo 36 Displaying Hardware Information eee eee eee eee 36 Displaying or Updating Flash Memory eese eene nennen ener trennen eene 36 Displaying or Changing Configurable Features eese eene 37 Downloading a Configuration File eese eese entente netter eterne 37 Launching the ESP View Diagnostic Utility eese eee nennen 38 Displaying General Statistics i a e RU Rede 38 D
107. ted to one or all of the ESP serial ports This display is meaningful only when a serial port is being accessed using the serial redirection connection method To display connected server information 1 From the Top Menu enter 5 to select Status The Status Menu will be displayed 2 Enter 3 to select Connection Status The Port Selection Menu will be displayed 3 Enter the number corresponding to a port or 0 to select all ports Displaying and Using Debug Features The Debug Menu contains commands to display or control log information run the datascope feature or escape to a shell NOTE Debug Menu commands should only be used on the advice of Avocent service personnel These debug operations are not available in the web interface You may use the ESP View diagnostic utility from the web interface see ESP View Diagnostic Utility on page 67 To display or control log information 1 From the Top Menu enter 6 to select Debug The Debug Menu will be displayed 2 display log information provided by the ESP hub applications enter 1 Chapter 5 Configuration Utility 53 To set the level of logging performed by the ESP hub applications enter 2 You may select a log level in the range of no logging to verbose To display log information provided by the ESP hub kernel enter 3 To run the datascope feature enter 4 You will be prompted to select a port Once the port is selected the datascope function will run until you press
108. the front of the hub An external universal 5 VDC power supply which must be provided by Avocent has a standard IEC AC input connector that ESP 4 MI accepts power cords with country dependent plugs Surge protection is provided for every signal on each serial port and meets or exceeds the applicable European CE Immunity Standards ESP 8 AC line cord connector is located on the back of the hub The hub ships with an 18 AWG three wire cable with a three lead IEC 320 receptacle on the power supply end and a ESP 16 MI country dependent plug on the power resource end Installing the Hub All ESP hubs ship ready to use in a tabletop environment ESP 2 MI hubs may be installed on a DIN rail Contact your Avocent representative for information about an Industrial Mounting Kit ESP 8 MI and ESP 16 MI hubs may be rack mounted You may replace an existing ESP hub with a similarly configured hub without affecting the server or having to reconfigure the ports NOTE The power outlet should be near the equipment and be easily accessible NOTE ESP 8 MI and ESP 16 MI hubs are not user serviceable To avoid electric shock do not attempt to open the unit or operate with the cover off Do not attempt to make any repairs See Technical Support on page 80 for information Startup Chapter 2 Hardware Installation and Network Configuration 11 To initiate the startup sequence 1 4 The MAC address is printed on a label on
109. the hub This address is used as a Unit ID to distinguish different ESP hubs on the network Record the MAC address 00 2 Attach 10BaseT 100BaseT LAN interface cable to the LAN connector on the hub CAT 5 cable is required for 100BaseT operation Then attach the other end of the LAN interface cable to the Ethernet hub or switch Connect devices to the serial ports on the hub using appropriate cables and adaptors if needed Attach the electrical power connector to the hub and then to an appropriate power source Configuring network information Configuring network information includes setting the IP address subnet mask and gateway You may also change the network interface setting see Network Interface on page 9 for more information To configure network information Using the web interface You may initially access the hub using the predefined IP address see Accessing the Web Interface on page 31 then configure the network information see Displaying or Changing Network Configuration Values on page 32 Using the configuration utility The configuration utility is automatically enabled on port 1 Using a terminal emulation program of your choice with a serial connection at 19200 baud 8 bits no parity and one stop bit you may access the configuration utility on this port see Accessing the Configuration Utility on page 43 Then configure the network information see Displaying or Changing Networ
110. the tests click Pause To resume click Pause again The loopback tests will stop automatically when the configured Duration interval elapses if non zero You may stop the tests at any time by clicking the Stop button The Status function displays configuration information and traffic statistics for one or all ESP hub serial ports Table 8 2 describes the fields in the main panel of the ESP View utility Status window Some information is not valid if the port is not currently in use In those cases those fields will be empty Table 8 2 ESP View Utility Status Display Field Description Remote IP IP address of the connected remote client in network order If not connected 0 0 0 0 is displayed Connection Method Current connection method Idle serial port redirection Telnet server TCP server TCP client serial configuration or modem emulation Total Rx Bytes Number of bytes sent to the serial port since the last reboot Total Tx Bytes Number of bytes received from the serial port since the last reboot Rx Bvtes Number of bytes received from the serial port since the current connection was y established If not connected 0 is displayed Number of bytes sent to the serial port since the current connection was established Tx Bytes a If not connected 0 is displayed Parity Errors Number of parity errors on the serial port since the last reboot Framing Errors Number of framing errors on the serial po
111. tic utility that provides datascope loopback and status functions see Chapter 8 beginning on page 67 e configuration utility also supports diagnostic features see Displaying and Using Debug Features on page 52 Chapter 1 Introduction 3 The ESP hubs support attended and unattended configuration With attended configuration you set values and request actions directly through the web interface or the configuration utility Unattended configuration uses a flat text file containing configuration commands The commands are processed as if they were requested using the web interface or the configuration utility The command file may be read by BootP DHCP during initial ESP hub configuration Downloading a command file may also be initiated using the web interface and configuration utility See Chapter 6 beginning on page 55 The ESP serial hub also provides a socket API for on the fly serial port operations This API is an extension of the raw TCP interface which allows data to be read from or written to an ESP hub serial port Using socket calls an application is able to alter port settings such as baud rate or read current serial control signals such as DTR For details on the API specification contact Avocent Technical Support Version This document covers features available with the ESP hub application version 3 05 or later ESP 2 MI serial hubs and Avocent ESP MI serial hubs will accept the new firmware check the CD that sh
112. tion IP Address Server s IP address Current UDP connection state Initiating Server is establishing a connection UDP State Active Server and hub are connected Timeout Connection is being dropped due to lost communication with the server Terminated Connection has been dropped Current TCP connection state Initiating Server is establishing a connection TCP State Connected Server and hub are connected Terminated Connection has been dropped Connect Time Number of days hours minutes and seconds the server has been connected Timeout Period UDP time out value that is the amount of time before a connection is dropped if no heartbeat messages are received To display connection status information for one or all ports 1 Select Connection Status from the Main Menu The Serial Port Selection window will open 2 Selecta port number or all ports then click Apply Chapter 4 Web Interface 41 Rebooting the Hub The Reboot operation reboots the ESP serial hub A reboot is usually required for the following operations to take effect e Changing network address values e Changing any configurable features e Updating Flash e Downloading a configuration file To reboot 1 From the Main Menu select Reboot 2 Click Reboot After the reboot completes the browser will try to reconnect to the hub If this fails or if the web interface does not return within 30 seconds direct your browser to the ESP ser
113. tion is not a standard part of the startup sequence however it is provided for reference if the ESP serial hub must be reinitialized or reset Reinitializing The INIT button on the front of the hub may be used to remove configured information from an ESP hub The hub stores nonvolatile data such as the SNMP community name admin password system contact and IP address in memory This information is erased by pressing and holding the INIT button until reinitialization occurs When the INIT button is first pressed the ONLINE LED will begin to blink to confirm that you have pressed the INIT button As the INIT button remains pressed the ONLINE LED will blink at a faster rate After approximately 12 seconds the ONLINE LED will turn off At this point all nonvolatile information will be reset to the factory defaults and the hub will immediately reboot You may also reinitialize the hub using the web interface see Reinitializing the Hub on page 41 or the configuration utility see Reinitializing the Hub on page 51 Resetting The RESET button on the front of the hub may be used to reset the serial hub e On ESP 2 MI and ESP 4 MI hubs pressing this button will cause an immediate reboot e ESP 8 MI and ESP 16 MI hubs pressing and holding this button for approximately one second will cause an immediate reboot if the master application is running If the master appli cation is not able to run that is only the bootloader is operational
114. tional interface In addition pins 7 and 8 should be jumpered together to signal that the port is configured for RS 485 Pins 7 and 8 should be left open for an RS 422 configuration Chapter 2 Hardware Installation and Network Configuration 9 Network Interface The Ethernet port supports 10 100 auto detect speed and duplex connections The LAN connector accepts 10BaseT or 100BaseT LAN interface cable On an ESP 2 MI or ESP 4 MI hub the LAN connector is on the front of the hub On an ESP 8 MI or ESP 16 MI hub the LAN connector is on the back of the hub A CAT 5 cable is required for 100BaseT operation Table 2 5 lists the pin assignments for the RJ 45 shielded Ethernet connector Table 2 5 Ethernet Connector Pin Assignments Pin Signal 1 Transmit Data 2 Transmit Data 3 Receive Data 4 5 6 Receive Data 7 8 These pins are usually connected in a standard Ethernet CAT 5 cable Special termination for these signals is in the interface to eliminate any problems if they are connected The network interface speed may be configured with the following values Auto negotiate 10 Mb second half or full duplex 100 Mb second half or full duplex 10 Mb second half duplex 100 Mb second half duplex 10 Mb second full duplex 100 Mb second full duplex By default auto negotiate and all settings are enabled The setting that will be used is determined by which settings are available and al
115. uld occur and not be recorded However this prevents rapidly filling all the buckets if there is a floating signal or if many flow control transitions occur When data is being sampled it is requested with a five second time out If there is no data movement and a sampling exchange returns due to a time out the state of the control signals is checked and compared to the previous sample If the control signals have changed a sample bucket will be filled with zero data and the new state of the control signals So even when there is no data traffic on the serial interface the control signals will be checked every five seconds To use the datascope function Launch the ESP View utility Click the Datascope tab or select Tools Datascope from the ESP View utility menu In the Settings panel select a port in the ESP Port listbox In the Size listbox change the maximum number of sample buckets in the circular buffer SE A ES To start polling click Start A rotating circle will appear in the lower right corner of the win dow to indicate that the datascope is running To pause polling click Pause To resume click Pause again To stop polling click Stop You will be prompted to Review Save or Cancel the session 70 ESP Serial Hub Installer User Guide e Review The display will be refreshed with table containing all the data collected since this sampling was started To view all the data you may use the scroll bar
116. uring the modem emulation connection method If you issue this command with a value that differs from the configured option value the new value will override the configured value only for this connection Subsequent connections will use the configured Verbose Response option value Activates command mode when entered from the serial port during a remote host connection iw See Command mode on page 25 for more information If the Verbal Response ATV value is set to 0 or 1 any AT command other than those listed in Table 3 6 will cause an ERROR or 4 response string to be sent to the attached serial device Any commands parsed up to the point of the unknown command will be processed Commands on the same line after the unknown command will not be processed For example in the following command V1 will be accepted amp W1 will cause an error and EO will not be processed AT V1 amp W1 EO However if the Verbal Response ATV value is set to 2 or 3 unknown commands will be ignored discarded Commands on the same line after the unknown command if valid will be processed In the previous example V1 and EO will be accepted amp W1 will be discarded Command mode When an ESP hub serial port is configured for the modem emulation connection method but no TCP connection is established the port is in command mode When an ATDT command is received and a session is established the port is in data mode Data from the network endpoint will
117. ust be TYPE which indicates the ESP hub model You may then specify commands such as address information logical port assignments and feature enabling disabling The closing delimiter for an ESP hub installation block must be END on a line by itself ESP TYPE END For example the following excerpt from a script file contains address and port assignment commands for an ESP 2 MI serial hub ESP TYPE ESP 2 MI IP 10 0 0 115 MAC 00 80 7D 94 65 00 Pl COM30 P2 COM40 END Type and address information e The IP address IP command is mandatory to uniquely identify the ESP hub even if the address is already assigned e The IP and MAC addresses IP and MAC commands are both required if the ESP hub does not yet have an IP address but is installed on a local subnet e The IP MAC gateway and subnet addresses MAC GATEWAY and SUBNET com mands are all required if the ESP hub does not yet have an IP address and the hub is not located on a local subnet You may specify an address even if it is not required For example if you are updating information for a previously defined ESP on the local subnet you may include the MAC address even though it is not required Physical to logical port numbering Each physical port number on the ESP hub must be mapped to a logical port number using a P command P lt p_port gt COM lt l_port gt Chapter 7 ESP Install Program 63 For example i
118. work Interface on page 9 for more information 4 If you changed any values the new values are displayed and you are prompted to confirm the changes Confirm or cancel the changes 46 ESP Serial Hub Installer User Guide If you changed the address information it will not take effect until the ESP hub is rebooted see Rebooting the Hub on page 51 If the IP address had not been previously set or the hub has been reinitialized the hub reboots automatically Displaying or Changing Serial Port Attributes You may display or change the attributes for one or all ESP hub serial ports See Serial Port Attributes on page 28 for more information To display or change serial port attributes for one or all ports 1 From the Top Menu enter 1 to select Serial port attributes The Port Selection Menu will be displayed Enter the number corresponding to a port or 0 to select all ports e Ifasingle port was selected the display contains the current values of the port s attributes e Ifall ports was selected the display contains the default values for the port attributes which may differ from the current values for any port You are prompted to modify each attribute Enter y for yes or n for no If you choose to modify an attribute a menu will be displayed Table 3 10 on page 29 lists all valid and default values Each attribute menu will contain a numbered list of valid values Either enter the number corresponding to the desired value o

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