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Related Manuals for Avocent ESP Serial Hub
Summary of Contents for Avocent ESP Serial Hub
- Page 1 ESP Serial Hub Installer/User Guide...
- Page 2 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.
- Page 3 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...
- Page 4 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.
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Page 5: Table Of Contents
Serial port access........................1 Management tools........................2 Version............................3 Chapter 2: Hardware Installation and Network Configuration........5 ESP Serial Hub Kit Contents ......................5 LEDs and Buttons ..........................5 Physical Interfaces..........................6 Termination ..........................7 RS-485 transmitter and receiver transfer modes................ 7 Serial port pin assignments ...................... - Page 6 ESP Serial Hub Installer/User Guide Configuration utility ......................... 28 Serial Port Attributes ........................28 Configurable Features ........................29 Chapter 4: Web Interface....................31 Accessing the Web Interface ......................31 Passwords ............................31 Displaying or Changing Network Configuration Values ..............32 Displaying or Changing Serial Port Attributes ................
- Page 7 Table of Contents Displaying Hardware Information ....................49 Displaying or Updating Flash Memory................... 49 Displaying or Changing Configurable Features ................50 Downloading a Configuration File....................50 Rebooting the Hub ........................... 51 Reinitializing the Hub ........................51 Displaying General Statistics ......................51 Displaying Port Statistics ........................
- Page 8 ESP Serial Hub Installer/User Guide Chapter 8: ESP-View Diagnostic Utility ............... 67 Accessing and Exiting the ESP-View Utility..................67 Datascope ............................67 Loopback............................70 Status..............................71 Appendices........................73 Appendix A: Technical Specifications ..................... 73 Appendix B: Changing the Serial Port Interface on ESP-2 MI Hubs ..........................
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Page 9: List Of Tables
Table 2.4: RS-422 and RS-485 Serial Port Pin Assignments ............8 Table 2.5: Ethernet Connector Pin Assignments................9 Table 2.6: ESP Serial Hub Electrical Connectors ................10 Table 2.7: When Changes Take Effect..................... 12 Table 3.1: Serial Port Redirection Configurable Items..............16 Table 3.2: Telnet Server Connection Method Configurable Items .......... - Page 10 Table 8.1: ESP-View Utility Datascope Window Buttons ............... 68 Table 8.2: ESP-View Utility Status Display ..................71 Table A.1: ESP Serial Hub Technical Specifications ..............73 Table C.1: RS-422 CAT 5 Adaptor Pin Assignments............... 77 Table C.2: RS-485 CAT 5 Adaptor Pin Assignments............... 77 Table C.3: Adaptors for Use with CAT 5 and CAT 6 Cable............
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Page 11: Chapter 1: Introduction
Raw TCP server • Raw TCP client • Modem emulation • 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 ®... -
Page 12: Management Tools
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 •... -
Page 13: Version
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. - Page 14 ESP Serial Hub Installer/User Guide...
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Page 15: Chapter 2: Hardware Installation And Network Configuration
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... -
Page 16: Physical Interfaces
Pushing and holding the INIT button restores the hub to factory defaults; see INIT 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... -
Page 17: Termination
Chapter 2: Hardware Installation and Network Configuration 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. • Web interface - see Displaying or Changing the Serial Port Physical Interface on page 34. •... -
Page 18: Table 2.4: Rs-422 And Rs-485 Serial Port Pin Assignments
ESP Serial Hub Installer/User Guide Table 2.3: RS-232 Serial Port Pin Assignments (Continued) Pin Number RS-232 Description Direction Data Terminal Ready Output Ground Data Set Ready Input Request to Send Output Clear to Send Input Not supported: RI, RS-422 RTS and CTS differential control signals. -
Page 19: Network Interface
Chapter 2: Hardware Installation and Network Configuration 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. -
Page 20: Electrical
(ESD). The power connector is located on 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 accepts power cords with country-dependent plugs. ESP-4 MI Surge protection is provided for every signal on each serial port and meets or exceeds the applicable European CE Immunity Standards. -
Page 21: Startup
• 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. -
Page 22: After Startup And Address Configuration
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. -
Page 23: Reinitializing And Resetting The Hub
Reinitializing and Resetting the Hub The information in this section 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. - Page 24 ESP Serial Hub Installer/User Guide...
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Page 25: Chapter 3: Connection Methods, Attributes And Configurable Features
CHAPTER Connection Methods, Attributes and Configurable Features This chapter describes: • Connection methods, which are configured for each serial port • Attributes, which are configured for each serial port • 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. -
Page 26: Serial Port Redirection
ESP Serial Hub Installer/User Guide • The modem emulation connection method is valid only on 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. -
Page 27: Raw Tcp Server
Chapter 3: Connection Methods, Attributes and Configurable Features Table 3.2 describes this method’s configurable items for each serial port. Table 3.2: Telnet Server Connection Method Configurable Items Item Description Enables or disables the Telnet server connection method on the port. (See Exclusivity and restrictions on page 15.) Enable/disable The default value is disabled. -
Page 28: Table 3.3: Raw Tcp Server Connection Method Configurable Items
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. -
Page 29: Raw Tcp Client
Chapter 3: Connection Methods, Attributes and Configurable Features Table 3.3: Raw TCP Server Connection Method Configurable Items (Continued) Item Description 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. - Page 30 ESP Serial Hub Installer/User Guide Table 3.4: Raw TCP Client Connection Method Configurable Items (Continued) 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.)
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Page 31: Modem Emulation
Chapter 3: Connection Methods, Attributes and Configurable Features Table 3.4: Raw TCP Client Connection Method Configurable Items (Continued) 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. Idle TCP Once the connection is established, the buffered serial data is sent to the remote endpoint of buffering... - Page 32 ESP Serial Hub Installer/User Guide Table 3.5: Modem Emulation Connection Method Configurable Items (Continued) 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.
- Page 33 Chapter 3: Connection Methods, Attributes and Configurable Features Table 3.5: Modem Emulation Connection Method Configurable Items (Continued) Item Description 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: ATV0 - text codes will be used;...
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Page 34: Table 3.6: Modem Commands
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. - Page 35 Chapter 3: Connection Methods, Attributes and Configurable Features Table 3.6: Modem Commands (Continued) Command Description Sets the value in register S0, which specifies the number of rings before auto answer. ATS0=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.
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Page 36: Table 3.7: Modem Command Response Codes
ESP Serial Hub Installer/User Guide The following rules must be followed to enter command mode. • There must be a one-second guard time (no data traffic) before sending the +++. • There must not be a delay longer than one second between each +. -
Page 37: Table 3.8: Dialout Translation Set
Chapter 3: Connection Methods, Attributes and Configurable Features 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. -
Page 38: Configuration Utility
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. -
Page 39: Configurable Features
Configuration utility - see Displaying or Changing Configurable Features on page 50 • Configuration file - see Configurable Features Commands on page 59 When the ESP serial hub is reinitialized, all configurable features are restored to their default setting (enabled). Table 3.11: Configurable Features... - Page 40 ESP Serial Hub Installer/User Guide Table 3.11: Configurable Features (Continued) Feature Description When enabled, the SNMP interface is used for monitoring and limited Allow administrative configuration of the ESP hub. When disabled, tools such as espdiag will not work. functions via SNMP The default value is enabled.
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Page 41: Chapter 4: 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 will connect to the web interface. -
Page 42: Displaying Or Changing Network Configuration Values
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. -
Page 43: Displaying Or Changing Serial Port Attributes
Chapter 4: Web Interface 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: From the Main Menu, select Port Attributes. -
Page 44: Displaying Or Changing The Serial Port Physical Interface
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... - Page 45 Chapter 4: Web Interface 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: From the Main Menu, select Port Interface.
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Page 46: Sending A Break To A Port
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: From the Main Menu, select Port Break. The Serial Port Selection window will open. -
Page 47: Displaying Or Changing Configurable Features
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. -
Page 48: Launching The Esp-View Diagnostic 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. -
Page 49: Displaying Port Statistics
Chapter 4: Web Interface To display general statistics: Select General Statistics from the Main Menu. 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... -
Page 50: Table 4.5: Serial Port Redirection Connections Status Display
ESP Serial Hub Installer/User Guide Table 4.4: Serial Port Active Connection Status Display (Continued) Item Description Number of bytes received from the serial port since the current connection Bytes Received session was established. Number of bytes transmitted on the serial port since the current connection Bytes Transmitted session was established. -
Page 51: Rebooting The Hub
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 serial 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). - Page 52 ESP Serial Hub Installer/User Guide...
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Page 53: Chapter 5: Configuration Utility
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. -
Page 54: Accessing On A Port Using The Configuration Utility Connection Method
Accessing on a port using the configuration utility connection 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 key is pressed three times in a row. -
Page 55: Passwords
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. -
Page 56: Displaying Or Changing Serial Port Attributes
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. -
Page 57: Table 5.1: Reference To Connection Method Rules And Values
Chapter 5: Configuration Utility 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 for yes or for no. If you choose to modify the connection values, the utility will prompt for all connection parameters. -
Page 58: Displaying Or Changing The Serial Port Physical Interface
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. -
Page 59: Sending A Break To A Port
Chapter 5: Configuration Utility 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: From the Top Menu, enter to select Send Break. The Port Selection Menu will be displayed. Enter the number corresponding to a port or to select all ports. -
Page 60: Displaying Or Changing Configurable Features
If you enter , SNMP will remain enabled; if you enter , 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. -
Page 61: Rebooting The Hub
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: •... -
Page 62: Displaying Port Statistics
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;... - Page 63 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 . This feature requires a hardware jumper and should be used only on the advice of Avocent Technical Support.
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Page 65: Chapter 6: Configuration Files
CHAPTER 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. -
Page 66: File Format And Command Syntax
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. -
Page 67: Port Interface Command
Chapter 6: Configuration Files 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. -
Page 68: Port Tcp Client Command
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. -
Page 69: Network Command
Chapter 6: Configuration Files Network Command The Network command specifies the ESP hub’s network address and interface information. NETWORK IP=<ip> MASK=<mask> GATEWAY=<gateway> INTERFACE=AUTO|10|10HD|10FD|100|100HD|100FD The addresses must be entered in standard IP dot notation. The gateway address must be in the same subnet as the IP address. -
Page 70: Completion Status
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. -
Page 71: Chapter 7: Esp-Install Program
CHAPTER 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. -
Page 72: Creating Installation/Update Command Blocks
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. -
Page 73: Updating Esp Hub Configurations
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 it may be included in a script file that also contains ESP-END command blocks that install/update hubs. -
Page 74: Commands
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. -
Page 75: Sample Script File
Chapter 7: ESP-Install Program Table 7.1: ESP-Install Program Commands (Continued) Command Description IP address, in dot notation. This command is required when adding a hub IP=<ip> or modifying a hub’s configuration. MAC address, in dash notation. This command is required when installing MAC=<mac>... - Page 76 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.
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Page 77: Chapter 8: Esp-View Diagnostic Utility
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... -
Page 78: Table 8.1: Esp-View Utility Datascope Window Buttons
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. - Page 79 Chapter 8: ESP-View Diagnostic Utility 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 contain status. If data is available, it is read and saved in a receive or transmit data bucket.
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Page 80: Loopback
ESP Serial Hub Installer/User Guide • Review - The display will be refreshed with a table containing all the data collected since this sampling was started. To view all the data, you may use the scroll bar, keys or Arrow the Beginning, Reverse, Forward or End buttons. -
Page 81: Status
Chapter 8: ESP-View Diagnostic Utility • Internal - the data will be looped back internally. • External - the data will go out the port to a loopback apparatus such as a wrap plug. Select a Pattern. • Barber Pole - the data is provided by the ESP hub. •... - Page 82 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.
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Page 83: Appendices
APP ENDICE S Appendices Appendix A: Technical Specifications Table A.1: ESP Serial Hub Technical Specifications Item Description Serial Ports ESP-2 MI hubs: ESP-4 MI hubs: Number ESP-8 MI hubs: ESP-16 MI hubs: Type Serial - RS-232, RS-422 or RS-485 (RS-232 only on ports 9-16 of ESP-16 MI hub) - Page 84 ESP Serial Hub Installer/User Guide Table A.1: ESP Serial Hub Technical Specifications (Continued) 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.
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Page 85: Appendix B: Changing The Serial Port Interface On
Appendices 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. - Page 86 ESP Serial Hub Installer/User Guide To change the physical interface settings: 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.
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Page 87: Appendix C: Adaptors
Appendices Appendix C: Adaptors 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. -
Page 88: Table C.3: Adaptors For Use With Cat 5 And Cat 6 Cable
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 CTS (RS-232) * Clear to Send RxD(+) and TxD(+) are both connected to pin 4 of the RJ-45 connector. - Page 89 Appendices 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...
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Page 90: Appendix D: Technical Support
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: Check the pertinent section of the manual to see if the issue can be resolved by following the procedures outlined. -
Page 91: Index
INDE X Index changing the port interface 48 displaying connection status 52 Adaptors displaying general statistics 51 for use with CAT 5 cable 78 displaying hardware information 49 reversing 78 displaying port statistics 52 AT commands 24 downloading a configuration file 50 enabling configurable features 50 rebooting 51 Baud rate 29... - Page 92 ESP Serial Hub Installer/User Guide Connection status predefined 31 displaying in the configuration utility 52 setting in a configuration file 59 displaying in the web interface 39 setting in the configuration utility 45 setting in the web interface 32 DHCP 11, 60...
- Page 93 Index Passwords Response codes 26 setting in the configuration utility 45 RS-485 transfer mode setting in the web interface 31 about 7 Physical interfaces 6 setting in a configuration file 58 Pin assignments setting in the configuration utility 48 Ethernet 9 setting in the web interface 34 serial ports 7 Port...
- Page 94 ESP Serial Hub Installer/User Guide enabling in the web interface 33 displaying connection status 39 Technical specifications 73 displaying general statistics 38 Technical support 80 displaying hardware information 36 Telnet server connection method displaying port statistics 39 about 16 downloading a configuration file 37...
- Page 96 For Technical Support: www.avocent.com/support Avocent International Ltd. Avocent Corporation Avocent House, Shannon Free Zone 4991 Corporate Drive Shannon, County Clare, Ireland Huntsville, Alabama 35805-6201 Tel: +353 61 715 292 Fax: +353 61 471 871 Tel: +1 256 430 4000 Fax: +1 256 430 4031 Avocent Germany Gottlieb-Daimler-Straße 2-4...
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