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WhatsApp us. Skip to content Mail Us : info dsgenterprises. Previous Product. High immunity The proliferation of IP networking technology in real-time, mission critical control applications requires a level of immunity to electromagnetic interference EMI beyond what is currently delivered by commercial grade networking products.

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Also configure SNMP to raise a trap upon authentication failures. For more information, refer to Section These services are available for historical reasons and are disabled by default. For more information, refer to Section 4.

Make sure configuration files are properly protected when they exist outside of the device. For instance, encrypt the files, store them in a secure place, and do not transfer them via insecure communication channels.

When enabled, compliance with FIPS will be broken. If Modbus management interface is required, then it is recommended to follow the security recommendations outlined in this User Guide and to configure the environment according to defense-in-depth best practices.

This can assist in preventing potential security threats, such as session hijacking. Use strong authentication keys and private keys without repetitive strings e. All port numbers are silk-screened on the device. To meet varied customer needs, these protocols can be enabled, but enabling them will break compliance with FIPS NOTE In certain cases, the service might be disabled, but the port can still be open e.

Power up self- tests are performed during bootup, and runtime tests are performed during normal operation. Tests include a firmware integrity test, cryptographic algorithm self-tests, and entropy tests.

The cryptographic functions are available only after all power up self-tests pass successfully. As tests pass, a test passed message is written to the system log file syslog. If one of the power up self-tests fails, the following occurs: 1. The failure event is written to the system log file syslog. The alarm indicator LED if equipped blinks five times.

The device is restarted. A self-test failure is most likely due to an unexpected hardware fault or unauthorized physically tampering. In order to account for potential faults triggered by external conditions, the system will continue to attempt to boot and clear all the self-tests.

If, however, ten failures are logged within a one-hour period, the system will transition to maintenance mode. For more information about maintenance mode, refer to Section 2. All cryptographic algorithm test results are stored by the device for the run-time tests verification. Selective and advanced invocation of certain cryptographic algorithm tests is supported.

The collected entropy is stored in the internal entropy pool. If one of the runtime tests fails, the following occurs: 1. All open files are closed. The database is closed. If no resolution is found after ten attempts, the device automatically reboots into maintenance mode. To launch cryptographic algorithm self-tests, do the following: 1.

Log in to the device as an admin user and access the CLI shell. For more information about accessing the CLI shell, refer to Section 2. At the CLI prompt, type: factory 3.

When prompted, answer yes and enter the password. If all tests pass, the following message appears: Cryptographic algorithm self tests passed If one of the power up self-tests fails, the device will follow the sequence described in Section 1. NOTE Booting into maintenance mode will automatically delete the ssl. Connect to the device either directly or through a Web browser.

For more information about how to connect to the device, refer to Section 3. Once the connection is established, the login form appears.

User Name Box 2. Username Box 2. Password Box 3. To prevent unauthorized access to the device, make sure to change the default guest, operator, and admin passwords before commissioning the device. For more information about changing passwords, refer to Section 6. In the User Name field, type the user name for an account setup on the device. In the Password field, typ the password for the account. Click Enter or click Submit Web interface only.

Section 2. The interface is divided into three frames: the banner, the menu and the main frame. Top Frame 2. Side Frame 3. Click on the link to open the Help information in a new window. When an alarm is generated, an alarm notification replaces the current user's access level on each screen until the alarm is cleared.

The notification indicates how many alarms are currently active. For more information about alarms, refer to Section 5. Title 2. Access Level or Alarm Notification 4. For more information, refer to Section 5. Alarms are also indicated on each screen in the upper right corner. System Identification 2. Menus 3. Command Bar 4. Menu Name 5.

For more information about setting the system name, refer to Section 5. Navigating the Interface Use the following controls to navigate between screens in the Console interface: Enter Select a menu item and press this Enter to enter the sub-menu or screen beneath. Esc Press Esc to return to the previous screen. Enter Select a parameter and press Enter to start editing a parameter.

Press Enter again to commit the change. Esc When editing a parameter, press Esc to abort all changes. Some commands are specific to select screens.

This command is only available from the main menu. It is accessed via the Console interface by pressing Ctrl-S. Admin clearalarms Clears all alarms. Operator, Admin clearethstats [ all Clears Ethernet statistics for one or more ports. Admin clearmgmtstats Clear statistics for Ethernet Mgmt port. Admin clksyn Clock Synthesizer diagnostics. Admin clrcblstats [ all port Clears cable diagnostics statistics for one or more ports.

Operator, Admin cls Clears the screen. Guest, Operator, Admin cryptest Executes cryptographic algorithm self tests. Admin dir Prints the directory listing. Guest, Operator, Admin docsummary Print all fields in the database that are configuable.

Admin exit Terminates the session. Guest, Operator, Admin factory Enables factory mode, which includes several factory-level Admin commands used for testing and troubleshooting. Only available to admin users. To stop the LEDs from flashing, set the timeout period to 0 zero. Admin help command Displays a brief description of the specified command. If no Guest, Operator, Admin command is specified, it displays a list of all available commands, including a description for each.

Admin ipconfig Displays the current IP address, subnet mask and default gateway. Admin loaddflts Loads the factory default configuration. Admin logout Logs out of the shell.

Admin lp Reads and displays LED panel control registers. Admin maintenance Enter maintenance mode. Use this command to verify connectivity to the next connected device. It is a useful tool for testing commissioned links. This command also includes the ability to send a specific number of pings with a specified time for which to wait for a response.

The default is 4. The range is 2 to seconds. The default is milliseconds. If the device to be pinged is not on the same network as the device pinging the other device, the default gateway must be programmed. Admin psclearlog Clear data log in power supply board.

Admin psseq Power Supply Sequencer Register diagnostics. Operator, Admin random Display seeds or random numbers. Admin reset Perform a hard reset of the switch. If optional or required parameters are not used, this all no parameter command displays the base and extended information. Admin spuriouscount Displays user spurious interrupt count. Keys can be either or Admin ] N bits long.

Admin statmon Monitor BCM statistic counters. Admin telnet dest Opens a telnet session. Press Ctrl-C to close the session.

Run trace? Admin type filename Displays the contents of a text file. Guest, Operator, Admin watchdog Provides ability to test watchdog s. NOTE Tracing has been designed to provide detailed information to expert users. Note that all tracing is disabled upon device startup.

To trace an event, do the following: 1. Determine the protocols and associated options available by typing: trace? If an option such as allon or alloff is required, determine which options are available for the desired protocol by typing: trace protocol?

NOTE If required, expand the trace scope by stringing protocols and their associated options together using a vertical bar. Start the trace by typing: trace Section 2. For example, admin,secret. NOTE The access level corresponding to the user name selected must support the given command.

NOTE Any output from the command will be returned to the workstation submitting the command. Commands that start interactive dialogs such as trace cannot be used. When combined with RSH, SQL commands provide a means to query and configure large numbers of devices from a central location.

Navigating the menu system in the console interface to the desired menu and pressing Ctrl-Z displays the name of the table. The menu name and the corresponding database table name will be cited. Another way to find a table name is to type the following in the CLI: sql info tables This command also displays menu names and their corresponding database table names depending upon the features supported by the device.

Spaces must be replaced with underscores e. Consistency of configuration across sites may be verified by this method. The following describes how to specify a single port, a range of ports, or all ports. Type flashfiles.

A list of files currently in Flash memory is displayed, along with their locations and the amount of memory they consume. However, fragmentation can occur whenever a new file is uploaded to the unit. Fragmentation causes sectors of available memory to become separated by ones allocated to files. In some cases, the total available memory might be sufficient for a binary upgrade, but that memory may not be available in one contiguous region.

To defragment the flash memory, do the following: 1. Defragment the flash memory by typing: flashfiles defrag Section 2. It should only be accessed for troubleshooting purposes, or to delete sensitive data. At the CLI prompt, type: maintenance The device will boot into maintenance mode. Section 3. A console connection provides access to the console interface and CLI. To establish a console connection to the device, do the following: 1. Connect a workstation either a terminal or computer running terminal emulation software to the console port on the device.

Connect to the device. For more information about logging in to the device, refer to Section 2. SSL encrypts traffic exchanged with its clients. If a client requests access through an insecure HTTP port, the client is automatically rerouted to the secure port. Access to the Web server through SSL will only be granted to clients that provide a valid user name and password.

To establish a connection through a Web browser, do the following: 1. On the workstation being used to access the device, configure an Ethernet port to use an IP address falling within the subnet of the device.

The default IP address is For example, to configure the device to connect to one of the available Ethernet ports, assign an IP address to the Ethernet port on the workstation in the range of Open a Web browser.

Upon connecting to the device, some Web browsers may report the Web server's certificate cannot be verified against any known certificates. This is expected behavior, and it is safe to instruct the browser to accept the certificate. Once the certificate is accepted, all communications with the Web server through that browser will be secure. In the address bar, type the IP address for the port that is connected to the network.

Once the connection is established, the login screen for the Web interface appears. For more information about the Web interface, refer to Section 2. To establish a connection through a terminal or terminal emulation software, do the following: 1. Select the service i. Enter the IP address for the port that is connected to the network. Connect a computer to one of the switch ports of the device and configure the computer to be on the same subnet as the port.

Configure the computer to use the address of VLAN1 as the default gateway. Connect a second computer to a different switch port of the same device, and configure the computer to be on the same subnet as the port. Configure the second computer to use the address of VLAN1 as the default gateway. Make sure both computers connected to the device can ping one another. To view information about the device, navigate to Diagnostics пїЅ View Product Information. The Product Information form appears.

MAC Address Box 2. Order Code Box 3. Classification Box 4. Serial Number Box 5. Main Version Box 6. Hardware ID Box 7. Descr Box 8. Order Code Synopsis: Any 57 characters Shows the order code of the device. Classification Synopsis: Any 14 characters Provides system classification.

The value Controlled indicates the main firmware is a Controlled release. The value Non- Controlled indicates the main firmware is a Non-Controlled release. The Controlled main firmware can run on Controlled units, but it can not run on Non-Controlled units. Main Version Synopsis: Any 47 characters Shows the version and build date of the main operating system software.

The CPU Diagnostics form appears. Running Time Box 2. Total Powered Time Box 3. CPU Usage Box 4. RAM Total Box 5. RAM Free Box 6. Temperature Box 8.

Free Rx Bufs Box 9. Free Tx Bufs Box CPU Usage Synopsis: 0. Section 4. Excluding groups of parameters from the factory reset, such as those that affect basic connectivity and SNMP management, is useful when communication with the device is still required during the reset. Navigate to Diagnostics пїЅ Load Factory Defaults. The Load Factory Defaults form appears. Defaults Choice List 2.

Apply Button 3. Reload 2. This parameter allows user to choose to load defaults to Selected tables, which would preserve configuration for tables that are critical for switch management applications, or to force All tables to default settings. Click Apply. Scripts can be used to automate the management of files on the device. However, depending on the size of the target file s , a delay between any concurrent write and read commands may be required, as the file may not have been fully saved before the read command is issued.

A general delay of five seconds is recommended, but testing is encouraged to optimize the delay for the target file s and operating environment.

NOTE The contents of the internal file system are fixed. New files and directories cannot be created, and existing files cannot be deleted. Only the files that can be uploaded to the device can be overwritten. This file is only available to admin users. Factory data must be signed. Establish a connection between the device and the host computer.

For more information, refer to Section 3. The device will indicate when the transfer is complete. C Received bytes. Closing file main. If the file has been uploaded, reset the device. TFTP does not define an authentication scheme. Any use of the TFTP client or server is considered highly insecure.

Please wait, closing file Interaction with TFTP servers is strictly controlled within the device to prevent unauthorized access. Make sure the device is configured to accept the TFTP connection. The server will indicate when the transfer is complete.

SFTP requires authentication for the file transfer. Establish an SFTP connection between the device and the host computer. Launch the SFTP transfer. The client will indicate when the transfer is complete. The crash log contains debugging information related to problems that might have resulted in unplanned restarts of the device or which may effect the operation of the device.

A file size of 0 bytes indicates that no unexpected events have occurred. The system log contains a record of significant events including startups, configuration changes, firmware upgrades and database re-initializations due to feature additions. The system log will accumulate information until it is full, holding approximately 2 MB of data. For more information about downloading log files, refer to Section 4. The syslog. Figure syslog.

Log in to the device as an admin user. For more information, refer to Section 2. Navigate to Diagnostics пїЅ Clear System Log. The Clear System Log form appears. Confirm Button 3. Click Confirm. The Local Syslog form appears.

Local Syslog Level 2. Reload Button 2. Note that the severity level selected is considered the minimum severity level for the system. The syslog client resides on the device and supports up to 5 collectors or syslog servers. The protocol is designed to simply transport these event messages from the generating device to the collector s.

To meet varied customer needs, this protocol can be enabled, but enabling it will break compliance with FIPS The Remote Syslog Client form appears. UDP Port 2.

The Remote Syslog Server table appears. Figure Remote Syslog Server Table If remote syslog servers have not been configured, add the servers as needed. Similar to the local system log, a remote system log server can be configured to log information at a specific severity level. Only messages of a severity level equal to or greater than the specified severity level are written to the log. To add a remote syslog server to the list of known servers, do the following: 1.

InsertRecord 2. Click InsertRecord. The Remote Syslog Server form appears. IP Address Box 2. UDP Port Box 3. Facility Box 4. Severity Box 5. Apply Button 6. Delete Button 7. Reload Button 3. The syslog facility is the application or operating system component that generates a log message. ROS map all syslog logging information onto a single facility which is configurable by user to facilitate remote syslog server.

Please note that the severity level user select is accepted as the minimum severity level for the system. For example, if user selects the severity level as 'Error' then the system send any syslog message originated by Error, Critical, Alert and Emergency. Figure Remote Syslog Server Table 2. Select the server from the table. Click Delete. A required utility is available from Siemens to extract the logs, encrypt them and transfer them to a remote server.

For more information, contact Siemens Customer Support. When these interfaces are supported by media such as fiber that employ separate transmit and receive paths, the interface can be vulnerable to failures that occur in only one of the two paths. Consider for instance two switches A and B connected to a controller. Switch A is connected to the main port on the controller, while Switch B is connected to the backup port, which is shut down by the controller while the link with Switch A is active.

Switch B must forward frames to the controller through Switch A. Switch A 2. Switch B 3. Main Transmit Path 4. Backup Transmit Path 5. Controller If the transmit path from the controller to Switch A fails, Switch A still generates a link signal to the controller through the receive path. The controller still detects the link with Switch A and does not failover to the backup port.

This situation illustrates the need for a notification method that tells a link partner when the link integrity signal has stopped. Such a method natively exists in some link media, but not all. Siemens offers an advanced Link-Fault-Indication LFI feature for the links that do not have a native link partner notification mechanism. With LFI enabled, the device bases the generation of a link integrity signal upon its reception of a link signal.

In the example described previously, if switch A fails to receive a link signal from the controller, it will stop generating a link signal. The controller will detect the link failure and failover to the backkup port. If both link partners have the LFI feature, it must not be enabled on both sides of the link. If it is enabled on both sides, the link will never be established, as each link partner will be waiting for the other to transmit a link signal. The switch can also be configured to flush the MAC address table for the controller port.

Frames destined for the controller will be flooded to Switch B where they will be forwarded to the controller after the controller transmits its first frame. The Port Status table appears. Figure Port Status Table This table displays the following information: Parameter Description Port Synopsis: 1 to maximum port number The port number as seen on the front plate silkscreen of the switch.

Name Synopsis: Any 15 characters A descriptive name that may be used to identify the device conected on that port. The Ethernet Statistics table appears. Figure Ethernet Statistics Table This table displays the following information: Parameter Description Port Synopsis: 1 to maximum port number The port number as seen on the front plate silkscreen of the switch. OutOctets Synopsis: 0 to The number of octets in transmitted good packets.

OutPkts Synopsis: 0 to The number of transmitted good packets. ErrorPkts Synopsis: 0 to The number of any type of erroneous packet. The Ethernet Port Statistics table appears. TotalInOctets Synopsis: 0 to The total number of octets of all received packets.

This includes data octets of rejected and local packets which are not forwarded to the switching core for transmission. It should reflect all the data octets received on the line.

TotalInPkts Synopsis: 0 to The number of received packets. This includes rejected, dropped local, and packets which are not forwarded to the switching core for transmission. It should reflect all packets received ont the line. InBroadcasts Synopsis: 0 to The number of good Broadcast packets received. InMulticasts Synopsis: 0 to The number of good Multicast packets received. OversizePkts Synopsis: 0 to The number of packets received with data length greater than octets and valid CRC.

Collisions Synopsis: 0 to The number of received packets for which Collision Event has been detected. LateCollisions Synopsis: 0 to The number of received packets for which Late Collision Event has been detected. Pkt64Octets Synopsis: 0 to The number of received and transmitted packets with size of 64 octets. This includes received and transmitted packets as well as dropped and local received packets. This does not include rejected received packets.

Pkt65toOctets Synopsis: 0 to The number of received and transmitted packets with size of 65 to octets. PkttoOctets Synopsis: 0 to The number of received and transmitted packets with size of to octets.

DropEvents Synopsis: 0 to The number of received packets that are droped due to lack of receive buffers. OutMulticasts Synopsis: 0 to The number of transmitted Multicast packets.

This does not include Broadcast packets. The Clear Ethernet Port Statistics form appears. Port Check Boxes 2. Confirm Button 2. Select one or more Ethernet ports. The Port PoE Parameters table appears. Select an Ethernet port. The Port PoE Parameters form appears. Port Box 2.

Admin Options 3. Powered Box 4. Class Box 5. Voltage Box 6. Current Box 7. Apply Button 8. Configure the following parameter s as required: Parameter Description Port Synopsis: 1 to maximum port number Default: 1 The port number as seen on the front plate silkscreen of the switch.

Class Synopsis: 0 to PoE Class value that defines the minimum supplied power level. For more information, refer to the IEEE Voltage Synopsis: 0 to Supplied voltage level. Current Synopsis: 0 to Supplied current level. Before configuring an SFP port, refer to Section 4. The Port Parameters table appears. Figure Port Parameters Table 2. The Port Parameters form appears. Name Box 3. Media Box 4. State Options 5. AutoN Options 6.

Speed List 7. Dupx List 8. FlowCtrl Options 9. LFI Option Alarm Options Act on LinkDown Options Apply Button Name Synopsis: Any 15 characters Default: Port x A descriptive name that may be used to identify the device connected on that port. You may want to disable a port for troubleshooting or to secure it from unauthorized connections.

NOTE Disabling a port whose media type is set to Full duplex operation requires that both ends are configured as such or else severe frame loss will occur during heavy network traffic. If auto-negotiation is enabled, this is the speed capability advertised by the auto-negotiation process. If auto-negotiation is disabled, the port is explicitly forced to this speed mode. AUTO means advertise all supported speed modes.

If auto-negotiation is enabled, this is the duplex capability advertised by the auto-negotiation process.

If auto-negotiation is disabled, the port is explicitly forced to this duplex mode. AUTO means advertise all supported duplex modes. Examples of this include multiple source ports sending to a single destination port or a higher speed port bursting to a lower speed port.

When the port is half-duplex it is accomplished using 'backpressure' where the switch simulates collisions causing the sending device to retry transmissions according to the Ethernet backoff algorithm.

When the port is full-duplex it is accomplished using PAUSE frames which causes the sending device to stop transmitting for a certain period of time. This allows the device at far end to detect link failure under all circumstances. NOTE This feature must not be enabled at both ends of a fiber link. NOTE If one end of the link is fixed to a specific speed and duplex type and the peer auto-negotiates, there is a strong possibility the link will either fail to raise, or raise with the wrong settings on the auto-negotiating side.

The auto-negotiating peer will fall back to half-duplex operation, even when the fixed side is full duplex. Full-duplex operation requires that both ends are configured as such or else severe frame loss will occur during heavy network traffic. At lower traffic volumes the link may display few, if any, errors. As the traffic volume rises, the fixed negotiation side will begin to experience dropped packets, while the auto-negotiating side will experience excessive collisions.

These problems can be avoided by always configuring ports to the appropriate fixed values. The Port Rate Limiting table appears. Figure Port Rate Limiting Table 2. The Port Rate Limiting form appears. Ingress Limit Box 3. Ingress Frames List 4. Egress Limit Box 5. The switch will discard frames to meet this rate if required. If a protocol analyzer is attached to the target port, the traffic stream of valid frames on any source port is made available for analysis.

Select a target port that has a higher speed than the source port. Mirroring a Mbps port onto a 10 Mbps port may result in an improperly mirrored stream. Frames will be dropped if the full-duplex rate of frames on the source port exceeds the transmission speed of the target port. This problem reaches its extreme in the case where traffic on a Mbps full-duplex port is mirrored onto a 10 Mbps half-duplex port.

It could be the same as or different from the source port's membership. NOTE Invalid frames received on the source port will not be mirrored. These include CRC errors, oversize and undersize packets, fragments, jabbers, collisions, late collisions and dropped events. The Port Mirroring form appears. Port Mirroring Options 2. Source Port Box 3. Source Direction Options 4. Target Port Box 5. Source Port Synopsis: Any combination of numbers valid for this parameter The port s being monitored.

Source Direction Synopsis: Egress and Ingress, Egress Only Default: Egress and Ingress Specifies monitoring whether both egress and ingress traffics or only egress traffic of the source port. Target Port Synopsis: 1 to maximum port number Default: 1 The port where a monitoring device should be connected. The Link Detection form appears. Fast Link Detection Box 2. Link Detection Time Box 3. Apply Button 4. However, if Port Guard is not used, it is possible for almost all available CPU time to be consumed by frequent link state changes, which could have a negative impact on overall system responsiveness.

When a faulty end device or a mis-matching fiber port is connected to the unit, a large number of continuous link state changes could be reported in a short period of time. These large number of bogus link state changes could render the system unresponsive as most, if not all, of the system resources are used to process the link state changes. This could in turn cause a serious network problem as the unit's RSTP process may not be able to run, thus allowing network loop to form.

This may result in a longer network recovery time of up to 2s. If excessive link state changes persist for more than 2 minutes, an alarm will be generated to warn user about the observed bouncing link. If the excessive link state changes condition is resolved later on, the alarm will be cleared automatically.

This setting should be used with caution. The switch will need a longer time to detect a link failure. This will result in a longer network recovery time of up to 2s.

The device performs de-bouncing of Ethernet link detection to avoid multiple responses to an occasional link bouncing event, e. It is strongly recommended to use SFP transceiver models approved by Siemens only. Siemens performs extensive testing on these transceivers to make sure they can withstand harsh conditions. For more information about configuring SFP transceiver ports and other Ethernet ports on the device, refer to Section 4. The following table shows in which cases an SFP transceiver is accepted or accepted and reconfigured.

Accept if it is in the Mbps to 1 Gbps and set auto-negotiation to On list. Otherwise, automatically set the speed to 1 Gbps and set auto-negotiation to On. If the transceiver is accepted, the Media parameter under Ethernet Ports пїЅ Configure Port Parameters shows detailed information about the SFP transceiver, including Gigabit Ethernet Compliance Code, transmission media, connector type, and link length.

An alarm is also generated and the port is blocked so that no link can be established until the transceiver is replaced. The Media parameter shows the rejected SFP transceiver is unidentified.

Log in to the device and access the CLI shell. The Cable Diagnostics Parameters table appears. Runs Synopsis: 0 to The total number of times cable diagnostics to be performed on the selected port. If this number is set to 0, cable diagnostics will be performed forever on the selected port. Synopsis: Pass - number of times cable diagnostics successfully completed on the selected port. Fail - number of times cable diagnostics failed to complete on the selected port. Total - total number of times cable diagnostics have been attempted on the selected port.

NOTE For each successful diagnostic test, the values for Good, Open, Short or Imped will increment based on the number of cable pairs connected to the port. For a Base-T port, which has two cable pairs, the number will increase by two. For a Base-T port, which has four cable pairs, the number will increase by four.

NOTE When a cable fault is detected, an estimated distance-to-fault is calculated and recorded in the system log. The log lists the cable pair, the fault that was detected, and the distance-to-fault value. For more information about the system log, refer to Section 4.

Both the selected Ethernet port and its partner port can be configured to run in Enabled mode with auto-negotiation, or in Disabled mode. Other modes are not recommended, as they may interfere with the cable diagnostics procedure.

Connect the other end of the cable to a similar network port. The Cable Diagnostics Parameters form appears.

State Options 3. Runs Box 4. Box 5. Good Box 6. Open Box 7. Short Box 8. Imped Box 9. Reload Button 5. Under Runs, enter the number of consecutive diagnostic tests to perform.

A value of 0 indicates the test will run continuously until stopped by the user. Under Calib. For information about how to determine the DTF value, refer to Section 4. Select Started. A diagnostic test can be stopped by selecting Stopped and clicking Apply. However, if the test is stopped in the middle of a diagnostic run, the test will run to completion. The state of the Ethernet port will automatically change to Stopped when the test is complete. For information about how to monitor the test and view the results, refer to Section 4.

The Clear Cable Diagnostics Statistics form appears. Apply Button 2. Connect a CAT-5 or better quality Ethernet cable with a known length to the device. Do not connect the other end of the cable to another port. Configure the cable diagnostic utility to run a few times on the selected Ethernet port and start the test. Open faults should be detected and recorded in the system log. Review the errors recorded in the system log and determine the average distance of the open faults.

Subtract the average distance from the cable length to determine the calibration value. Configure the cable diagnostic utility to run a few times with the new calibration value. The distance to the open fault should now be the same as the actual length of the cable. This is also useful for forcing a re-negotiation of the speed and duplex modes. To reset a specific Ethernet port s , do the following: 1. Navigate to Ethernet Ports пїЅ Reset Port s.

The Reset Port s form appears. Ports 2. Select one or more Ethernet ports to reset. The selected Ethernet ports are reset. One of the interfaces must also be configured to be a management interface for certain IP services, such as DHCP relay agent. Each IP interface must be assigned an IP address.

For all other interfaces, the IP address must be static. Configuration hazard пїЅ risk of communication disruption. If this occurs, reset all serial ports. The IP Interfaces table appears. The Switch IP Interfaces form appears. Type Options 2. ID Box 3. Mgmt Options 4. IP Address Type Box 5. IP Address Box 6. Subnet Box 7. Delete Button 9. Changes to the IP address take effect immediately. All IP connections in place at the time of an IP address change will be lost.

The Static option must be used for non-management interfaces. IP Address Synopsis:. An IP address is a bit number that is notated by using four numbers from 0 through , separated by periods. Only a unicast IP address is allowed, which ranges from 1.

An IP subnet mask is a bit number that is notated by using four numbers from 0 through , separated by periods. Typically, subnet mask numbers use either 0 or as values e. Each IP interface must have a unique network address.

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