8-Port 10/100TX SNMP Managed Industrial Ethernet Switch with
Contents
1. 3 Check the DIN Rail is tightly on the track 4 To remove the industrial switch from the track reverse steps above Wall Mount Plate Mounting Follow the below steps to mount the industrial switch with wall mount plate 1 Remove the DIN Rail from the industrial switch loose the screws to remove the DIN Rail 2 Place the wall mount plate on the rear panel of the industrial switch 3 Use the screws to screw the wall mount plate on the industrial switch 4 Use the hook holes at the corners of the wall mount plate to hang the industrial switch on the wall To remove the wall mount plate reverse steps above NH Screwing the wall mount plate on the Industrial media I I converter Hardware Installation In this paragraph it will describe how to install the 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring and the installation points for attention 1 Unpack the Industrial switch 2 Check the DIN Rail is screwed on the Industrial switch If the DIN Rail is not screwed on the Industrial switch Please refer to DIN Rail Mounting section for DIN Rail installation To wall mount the Industrial switch please refer to Wall Mount Plate Mounting section for wall mount plate installation 3 To hang the Industrial switch on the DIN Rail track or wall please refer to the Mounting Installation section 4 Power on the Industrial switch How to wire the power please refer to the Wiring2. H State Display port statuses disable or enable Unlink will be treated as off m Negotiation Display the auto negotiation mode auto force Config means the value that user configured Actual means the current value of the port m Speed Duplex Display port connection speed Config means the value that user configured Actual means the current value of the port m Flow Control Display the flow control status is enable or disable with full mode Config means the value that user configured Actual means the current value of the port Port Status Port 01 our 100 Full Port 02 our 100 Full Port 03 100TX Down Enable Auto 100 Full Port 04 100TX Up Enable Auto 100 Full Port 05 100TX Down Enable Auto 100 Full Port o7 100Tx Down Enable Auto 100Full NA Symmetric N A Enable 100 Full Port Status interface Single Port Information Clicking the port on the Panel figure on the left side of web page then user will see the single port information window popout as below figure shows 21 S http 192 168 16 1 Port 2 Statue ll E CI Port information interface Port Statistics Display the current port statistic information Click Clear button to clean all counts Port Statistics port mu sate Paste Port 01 100TX Down Enable 0 Port 02 100TX Down Enable 0 ER Port 04 100Tx Up _ Enable 2517
3. cancel m IP Address Assign the IP address that your network is using If DHCP client function is enabling and then user does not need to assign the IP address And the network DHCP server will assign the IP address for the industrial switch and display in this column The default IP is 192 168 1 5 H Subnet Mask Assign the subnet mask of the IP address If DHCP client function is enabling and then user does not need to assign the subnet mask Gateway Assign the network gateway for the industrial switch The default gateway is 192 168 1 254 IP Configuration DHCP Client Disable y IP Address 192 168 1 5 Subnet 255 255 255 0 ateway 192 168 1 254 Apply Help IP configuration interface SNTP Configuration Configure the SNTP Simple Network Time Protocol settings which SNTP allows user to synchronize switch clocks in the Internet 36 SNTP Client enable or disable SNTP function to get the time from the SNTP server Daylight Saving Time enable or disable daylight saving time function When daylight saving time is enabling user need to configure the daylight saving time period UTC Timezone Set the switch location time zone The following table lists the different location time zone for reference Local Time Zone Time at 12 00 UTC November Time Zone 11am Oscar Time Zone 2 hours 10 am ADT Atlantic Daylight 3 hours 9am AST Atlantic Standard EDT Eastern Daylight EST East
4. aazeon 8 Port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring User Manual aaZzeon AAXEON TECHNOLOGIES WWW aaxeon com FCC Warning This Equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures H Reorient or relocate the receiving antenna m Increase the separation between the equipment and receiver H Connect the equipment into an outlet on a circuit different from that to which the receiver is connected H Consult the dealer or an experienced radio TV technician for help CE Mark Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Content INTO WIC ee EE 1
5. Assign up to 4 e mail accounts for receiving the alert 5 Click Apply Alert Email Alert Configuration Event Configuration Power Alarm Configuration E mail Alert Disable v Email Alert Configuration interface Event Configuration The selected events that occur will send out the alert to the assigned SMTP server and also can set up port events for alerting 33 System event selection 4 selections Device cold start Power status SNMP Authentication Failure and Redundant ring topology changes Mark the checkbox to select the event When selected events occur the system will sent out the alerting gt Device cold start when the device executes cold start action the system will send out the alert to the dedicate SMTP server gt Power status when the device power status has changed the system will send out the alert to the dedicate SMTP server gt SMNP Authentication Failure when the SNMP authentication fail the system will send out the alert to the dedicate SMTP server gt Redundant Ring topology change when the redundant ring topology has changed the system will send out the alert to dedicate SMTP server H Port event selection Select the per port events Per port has 3 selections Link UP Link Down and Link UP amp Link Down Disable means no event is selected gt Link UP the system will send out an alert when port connection is up only gt Link Down the system will send o
6. o 7372 o o o Port OS 100Tx DownjEnable oF o o o o o Port 06 100Tx DownEnable 2854 o 8397 o o o Port 07 100Tx DownjEnable o o o o o o Port O8 100Tx DownjEnable o o o o o o Port Statistics Interface 22 Port Control Modifying the port status 1 2 3 Select the port by scroll the Port column State disable or enable control of his port Negotiation set auto negotiation mode is Auto Nway specify the speed duplex on this port and enable auto negotiation or Force Speed Set the speed of the port Duplex Set the port with full duplex or half duplex mode Flow control Set flow control function is Symmetric or Asymmetric in Full Duplex mode The default value is Disable Click Apply button to apply all configuration The port current configures display in below column when the port is selected NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off Port D1 100TX Down Enable Auto 100 Full N A Port Control Symmetric zl Apply Help Symmetric N A Port Control interface Switch Settings Assign the system name and location and view the system information System Name Assign the name of switch The maximum length is 64 23 bytes H System Location Assign the switch physical location The maximum length is 64 bytes m System
7. FOME S e 1 Package Contents iz 2 Hardware DescriptiON coooooonnnnnnnnnnnncnnnnenennonnnanananas 3 Physical DIMENSION coooooccnncccononoccnnncnnonnaronononnnonnos 3 Front Panels lada 3 Reset Button A adtu ait Nent micas oh alin cts 4 BOLO RE 4 LDS WCW seas case Gres ceca ee An 4 EDI Cas 6 POS caido 7 o Re ee tee cee E 9 Wiring the Power Inputs oooooccccccccccccccncconcnncnnccnnnos 10 Wiring the Fault Alarm Contact 10 Wiring the Fault Alarm Contact 11 Mounting Installation cccceeeesssesseeeeeeeeeeennees 12 DIN Rail MOUNTING cccccesseseeeeeeeeseeeseeeeeeeeenees 12 Wall Mount Plate Mounting cccceesseeeeeeeeeees 14 Hardware InstallatiON oooooonnnncnnnnnnnnnecnnnennnnnons 15 Network Application ccocoooonnnnccccnnnnnnnnnenennnnnons 16 Redundant Ring Application eseseeeeeeeeeeeeeeenen 16 Coupling Ring Application oooooociccidnidininininicnconoommm 17 Dual Homing Application cccocoooconnnnccnoninnnnnnncs 18 Web Based Management omncccccccccccnccnnnnonanannnnnnnnnnos 19 About Web Based Management 19 Preparing for Web Management 19 System LOGIN oie 20 POESIAS do 21 Port SIS OS a a 22 A A A 23 Switch Settings edd 23 POrEMIMONNG EE 24 VLAN Configuration cccccccooonncnnncnccnnncnnnnnnnnnnannnnnnos 25 lee 32 Email Alert Configuration ooooooconncccinccncoconononnnnnncnncnnnncos 32 Event Contigua OCRE 33 Power Alarm Co
8. hosts that support IGMP Enabling IGMP allows the ports to detect IGMP queries and report packets and manage IP multicast traffic through the switch IGMP have three fundamental types of message as follows Message Description A message sent from the querier IGMP router or Query switch asking for a response from each host belonging to the multicast group A message sent by a host to the querier to indicate Report that the host wants to be or is a member of a given group indicated in the report message A message sent by a host to the querier to indicate Leave Group that the host has quit to be a member of a specific multicast group User can enable IGMP protocol and IGMP Query function in here The IGMP snooping information which VLAN ID member port and IP multicast addresses range from 224 0 0 0 through 239 255 255 255 will be displayed as below NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off 48 IGMP IP Address VLAN ID Member Port 235 080 068 083 IGMP Protocol Enable y IGMP Query Enable y Apply Help IGMP Snooping interface SNMP Configuration The SNMP is a Protocol that governs the transfer of information between management and agent The switch supports SNMP V1 Define management stations as trap managers and to enter SNMP community strings Also define a name location and contact
9. operation you can use straight through cables See Figure below for all network connections to PCs or servers or to other switches or hubs In straight through cable pins 1 2 3 and 6 at one end of the cable are connected straight through to pins 1 2 3 and 6 at the other end of the cable The table below shows the 10BASE T 100BASE TX MDI and MDI X port pin outs Pin MDI X Signal Name MDI Signal Name 1 Receive Data plus RD Transmit Data plus TD 2 Receive Data minus RD Transmit Data minus TD 3 Transmit Data plus TD Receive Data plus RD 6 Transmit Data minus TD Receive Data minus RD Switch Router or PC 3 TD 3 RD 6 TD 6 1 RD a RD TD 2 RD a 2 TD Straight Through Cable Schematic Switch Switch 3 TD 3 TD 6 TD 6 TD 1 RD 1 RD 2 RD 2 RD Cross Over Cable Schematic Cabling Use four twisted pair Category 5 cabling for RJ 45 port connection The cable between the converter and the link partner switch hub workstation etc must be less than 100 meters 328 ft long Wiring the Power Inputs Please follow below steps to insert the power wire V V V V 1 Insert the positive and negative wires into the V and V connector on the terminal block connector 2 To tighten the wire clamp screws for preventing the DC wires to loose NOTE The wire range of terminal block is from 12 24 A
10. port 1 Alarm Enable port 1 Alarm If the port s link fails the fault LED will light up Disable port2 Alarm Enable port 2 Alarm If the port s link fails the fault LED will light up Disable port3 Alarm Enable por3 t Alarm If the port s link fails the fault LED will light up Disable port4 Alarm Enable port4 Alarm If the port s link fails the fault LED will light up Disable port 5 Alarm Enable port5 Alarm If the port s link fails the fault LED will light up Disable port 6 Alarm Enable port6 Alarm If the port s link fails the fault LED will light up Disable port 7 Alarm Enable port 7 Alarm If the port s link fails the fault LED will light up OFF Disable port8 Alarm 8 Enable port8 Alarm If the port s link fails the fault LED will light up Disable the ring master function 9 Enable the switch as the ring master in the redundant ring group NOTE 1 When port alarm function is enabled the fault LED will on and Alarm relay will activity when port failure occurs 2 Please restart the switch after the Redundant ring DIP switch is set LED Indicators There are 7 diagnostic LEDs located on the front panel of the industrial switch They display real time information of system and optional status The following table provides description of the LED status and their meanings for the switch LED Status Meaning The switch unit is power on
11. restart switch device Reboot System Reboot interface Rate Control Set up every port s bandwidth rate and packet limitation type Limit Packet type select the packet type that wants to filter The packet types have all type packet broadcast multicast unknown unicast packet broadcast multicast packet and broadcast packet only The broadcast multicast unknown unicast packet broadcast multicast packet and broadcast packet only are only for ingress packet The egress rate only supports all type packets Band Width The porti port 8 supports port ingress and egress rate control For example assume port 1 is 10Mbps users can set it s effective egress rate is 1Mbps ingress rate is 500Kbps The switch performs the ingress rate by packet counter to meet the specified rate gt Ingress select the port effective ingress rate The valid range value is 1MB 2MB 4MB 8MB 16MB 32MB and 64MB The default value is disable gt Egress select the port effective ingress rate The valid range value is 128kbps 256Kbps 512Kbps 1MB 2MB 4MB and 8MB The default value is disable Click Apply button to apply the configuration 55 NOTE 1 Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off 2 Qos and Rate control cannot be existed at the same Rate Control Limit packet type Ingress Egress wa Zeie man eea amaw
12. 5 Rate Control Interface System Log Set up system log events and view the system log events System Log Configuration Viewing the system log events Click Reload button to get newest system log event and press Clear button to clear the log events If log event list more that one page drag down the list to switch to different page H System Log Client Mode Select in Client Only Server Only or Both mode m System Log Server IP Assign the system log server IP 56 WR Click Apply button to apply the configuration System Lo System Log Configuration Event Configuration Client Only y Apply 1 Jan 1 00 08 50 System Log Enable Page 1 y Reload Clear System Log Configuration interface Event Configuration Select the system log events When selected events occur the system will send out the log information Also per port log events can be selected System event selection 4 selections Device cold start Power status SNMP Authentication Failure and Redundant ring topology change Mark the checkbox to select the event When selected events occur the system will produce the logs gt Device cold start when the device executes cold start action the 57 system will produce a log message Power status when the device power status has changed the system will produce a log message SNMP Authentication Failure when the SNMP authentication fails the system will produce a l
13. Description Display the description of switch Read only cannot be modified Firmware Version Display the switch s firmware version Kernel Version Display the kernel software version Hardware version Display the switch hardware version MAC Address Display the unique hardware address assigned by manufacturer default Switch Settings 8 104 00TX industrial switch Apply Help 45 00 001122334455 Switch settings interface NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off Port Mirroring The Port mirroring is a method for monitor traffic in switched networks Traffic through ports can be monitored by one specific port That is traffic goes in or out monitored ports will be duplicated into mirror port 1 Port Mirroring Mode set mirror mode Disable TX and Both The default is Disable 24 2 Analysis Port the mirror port will receive all monitored port traffic The mirror port can connect with the LAN analyzer or Netxray 3 Monitor Port the ports which user wants to monitor All monitor port traffic will be copied to mirror port Maximum 7 monitor ports can be selected in one switch User can choose which port wants to monitor in one mirror mode NOTE 1 If you want to disable the function select the monitor mode as disable 2 Remember to execute the Save Configuration action otherwise the new configurati
14. LAN Configuration VLAN Operation Mode Port Based y Add Edit Delete Previous Page Next Page Help VLAN PortBase interface Click Add to add a new VLAN group The maximum VLAN group is up to 64 VLAN groups Enter the VLAN name group ID and group the members of VLAN group Click Apply 27 VLAN Configuration VLAN Operation Mode Port Based y Group Name VLAN ID fi Apply Help VLAN PortBase Add interface 4 The VLAN group list will display right after 5 Click Next Page to view other VLAN groups 6 Use Delete button to delete unwanted VLAN 7 Use Edit button to modify existing VLAN group NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off 802 1Q VLAN Tagged based VLAN is an IEEE 802 1Q specification standard Therefore it is possible to create a VLAN across devices from different switch venders IEEE 802 1Q VLAN uses a technique to insert a tag into the Ethernet frames Tag 28 contains a VLAN Identifier VID that indicates the VLAN numbers All ports on the switch belong to default VLAN VID is 1 The default VLAN can t be deleting The maximum VLAN group is up to 64 VLAN groups YLAN Configuration VLAN Operation Mode 802 1 Q y Management Vlan ID Jo Apply Basic Port LAN ID DEFAULT__1 Add Edit Delete Previous Page Next Page Help 802 1q VLAN inte
15. Port 08 IT Enable Dual Homing Apply Help Redundant ring Interface NOTE 1 When the redundant ring function enable the RSTP has to be disabled The redundant ring function and RSTP function cannot be active at the same 45 time 2 Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off QoS Configuration Configure Qos setting of the every port H Oos Policy Select the Qos policy rule gt Using the 8 4 2 1 weight fair queue scheme the switch will follow 8 4 2 1 rate to process priority queue from Hi to lowest queue For example the system will process 8 high queue packets 4 middle queue packets 2 low queue packets and the one lowest queue packets at the same time gt Use the strict priority scheme the higher queue will always be process first except higher queue is empty Priority Type each port has 5 priority type selections gt Port base the port priority will follow the default port priority that user has assigned High middle low or lowest gt COS only the port priority will only follow the COS priority that user has assigned gt TOS only the port priority will only follow the TOS priority that user has assigned gt COS first the port priority will follow the COS priority first and then other priority rule gt TOS first the port priority will follow the TOS priority first and the other priority rule m COS prior
16. Power Off The switch unit is no power input Power 1 Off No power inputs Power 2 Off No power inputs Power failure or UTP port failure or Fault Yellow Fiber port failure R M Ring Master Off Green Green No Power failure or UTP port failure or Fiber port failure occurs The industrial switch is the master of redundant ring group The industrial switch is not a ring master in redundant ring group The port is linking LNK ACT The port is transmitting or receiving Blinks Port 7 amp 8 packets from the TX device Off No device attached The port is operating in full duplex Yellow mode FDX COL Biet Collision of Packets occurs in the inks Port 7 8 8 port i The port in half duplex mode or no device attached Ports m RJ 45 ports There are 8x 10 100Mbps auto sensing ports for 10Base T or 100Base TX 10Base T or devices connection 100Base TX connections Auto MDI MDIX means that you can connect to another switch or workstation without changing straight through or crossover cabling See the below figures for straight through and crossover cable schematic The UTP ports will auto sense for H RdJ 45 Pin Assignments Pin Number Assignment 1 TX 2 Tx 3 Rx 6 Rx NOTE and signs represent the polarity of the wires that make up each wire pair All ports on this industrial switch support automatic MDI MDI X
17. Status Port 01 200000 Port 02 200000 Port 03 200000 Port 04 200000 Port 05 200000 Port 06 200000 Port 07 200000 Port 08 200000 RSTP Per Port Configuration interface 43 Redundant Ring Redundant Ring provides a faster redundant recovery than Spanning Tree topology The action is similar with STP or RSTP but the algorithms not the same In the redundant ring topology every switch should enable redundant ring function and assign two member ports in the ring Only one switch in the redundant ring group would be set as a backup switch that one of two member ports would be blocking called backup port and another port is called working port Other switches are called working switches and their two member ports are called working ports When the network connection failure the backup port will automatically become a working port to recovery the failure The switch supports one Dip switch for configuring the switch as the ring master or slave mode The ring master has the rights to negotiate and place command to other switches in the redundant ring group If there are 2 or more switches are in master mode then software will select the switch with lowest MAC address number as the ring master The redundant ring master ring mode will be enabling by the DIP Switch When the switch is set to the master ring mode the redundant ring configuration interface will display the switch as the master ring message Also you can identify th
18. WG Wiring the Fault Alarm Contact The fault alarm contact is in the middle of terminal block connector as below figure shows By inserting the wires and set the DIP switch at ON status it will detect when power is failure or port link failure and form a closed circuit And the following figure shows an application example for the fault alarm contact NOTE The wire gauge for the terminal block should be in the range between 12 24 AWG If only using one power source jumper Pin 1 to Pin 5 and Pin 2 to Pin 6 to eliminate power fault alarm Fault Alarm Contact The closed circuit will form when the power failure or port link failure l 24V DC Buzzer 24V Battery 1 l The fault alarm device will send a warning signal to warn the user ex l l alarm sound or flash light l 11 Mounting Installation DIN Rail Mounting The DIN Rail is screwed on the industrial switch when out of factory If the DIN Rail is not screwed on the industrial switch please see the following figure to screw the DIN Rail on the switch Follow the below steps to hang the industrial switch Rear Panel of the switch DIN Rail m Use the screws to screw the DIN Rail on the industrial switch E Toremove the DIN Rail reverse the step 1 1 First insert the top of DIN Rail into the track LA 3 2 Then lightly push the DIN Rail into the track
19. as the highest priority and is selected as the root lf the values change user has to reboot the switch The value must be multiple of 4096 according to the protocol standard rule Max Age 6 40 the number of seconds a bridge waits without receiving Spanning tree Protocol configuration messages before attempting a reconfiguration Enter a value between 6 through 40 Hello Time 1 10 the time that controls switch sends out the BPDU packet to check RSTP current status Enter a value between 1 through 10 Forward Delay Time 4 30 the number of seconds which a port waits before changing from its Rapid Spanning Tree Protocol learning and listening states to the forwarding state Enter a value between 4 through 30 NOTE 1 Must follow the rule to configure the MAX Age Hello Time and Forward Delay Time 2 x Forward Delay Time value 1 gt Max Age value gt 2 x Hello Time value 1 2 Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off 41 Rapid Spanning Tree System Configuration Per Port Configuration Priority must be a multiple of 4096 2 Forward Delay Time 1 should be greater than or equal to the Max Age The Max Age should be greater than or equal to 2 Hello Time 1 Apply Root Bridge Information s00000001CF301C1 32768 200004 AAA RSTP System Configuration Interface Per Port Configuration Configuring the path cos
20. e for 10Mbps connections or 1000 Category 5 cable for 100Mbps connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet H Diagnosing LED Indicators the Switch can be easily monitored through panel indicators to assist in identifying problems which describes common problems user might encounter and where user can find possible solutions WR f the power indicator does turn on when the power cord is plugged in it might have a problem with power cord Than check for loose power connections power losses or surges at power outlet IF you still cannot resolve the problem contact the local dealer for assistance H If the Industrial switch LED indicators are normal and the connected cables are correct but the packets still cannot transmit Please check the system s Ethernet devices configuration or status 59 Technical Specification The 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring technical specifications are as follows IEEE 802 3 10Base T Ethernet IEEE 802 3u 100Base TX Fast Ethernet IEEE802 3x Flow Control and Back pressure Standard IEEE802 1d spanning tree IEEE802 1w rapid spanning tree IEEE802 1p class of service IEEE802 1Q VLAN Tag Protocol CSMA CD SNMP management Management Web interface management One default button for system default setting Technology Store and forward switching architecture 14 880 pps for Ether
21. e switch as the ring master from the R M LED panel of the LED panel on the switch M Enable Redundant Ring ist Working Port Port o1 y 2nd Working Port po 0 y The system also supports the coupling ring that can connect 2 or more redundant ring group for the redundant backup function and dual homing function that prevent connection lose between redundant ring group and upper 44 level core switch m Enable Redundant ring To enable the redundant ring function Marking the check box to enable the redundant ring function m 1 amp 2 Working Ports Assign two ports as the member ports One port will be working port and one port will be the backup port The system will automatically decide which port is working port and which port is backup port H Enable Coupling Ring To enable the coupling ring function Marking the check box to enable the coupling ring function Coupling port assign the member port Control port set the switch as the master switch in the coupling ring Enable Dual Homing set up one of port on the switch to be the Dual Homing port In a redundant ring group maximum Dual Homing port is one in each redundant ring group Dual Homing only work when the redundant ring function enable WR Click Apply to apply the configuration Redundant Ring IT Enable Redundant Ring ist Working Port Porto1 zl 2nd Working Port Port 02 zl IT Enable Couple Ring Coupling Port Port 03 zl Control Port Port o4 zl
22. ern Standard CDT Central Daylight CST Central Standard MDT Mountain Daylight MST Mountain Standard 7 hours 5am PDT Pacific Daylight PST Pacific Standard ADT Alaskan Daylight 4 hours 8am 5 hours 7am 6 hours 6am 8 hours 4am ALA Alaskan Standard 9 hours 3 am HAW Hawaiian 10 hours 2 am Standard Nome Alaska 11 hours 1am 37 CET Central European FWT French Winter MET Middle European MEWT Middle European Winter SWT Swedish Winter 1 hour 1 pm EET Eastern European 2 hours 2pm USSR Zone 1 BT Baghdad USSR 3 hours 3 pm Zone 2 WAST West Australian 7 hours 7 pm Standard CCT China Coast 8 hours 8 pm USSR Zone 7 JST Japan Standard 9 hours 9 pm USSR Zone 8 EAST East Australian Standard GST 10 hours 10 pm Guam Standard USSR Zone 9 IDLE International Date Line NZST New Zealand 12 hours Midnight Standard NZT New Zealand 4 5 SNTP Sever IP Set the SNTP server IP address Switch Timer Display the switch current time 38 6 Daylight Saving Period Configure the daylight saving time period 7 Daylight Saving Offset mins Configure the offset value 8 Click Apply NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off SNIP Configuration SNTP Client Disable y Daylight Saving Time Disable y GM Green
23. ity Set the COS priority level 0 7 m TOS priority the system provides 0 63 TOS priority level Each level has 4 types of priority high mid low and lowest The default value is Lowest priority for each level When the IP packet is received the system will check the TOS level value in the IP packet has received For example user set the TOS level 25 is high The port 1 is following the TOS priority policy only 46 When the packet received by port 1 the system will check the TOS value of the received IP packet If the TOS value of received IP packet is 25 priority high and then the packet priority will have highest priority NOTE QoS and Rate control cannot be existed at the same time Qos Policy Use an 8 4 2 1 weighted fair queuing scheme C Use a strict priority scheme Priority Type PortOl Port 02 Port 03 Port 04 Port 05 Port 06 Port 07 Port 08 Default Port Priority Port O1 Port 02 Port 03 Port 04 Port 05 Port 06 Port 07 Port 08 Fevers pe lovers lovers pea e e el a E a 4 E a 4 5 i 4 E i 4 5 i 4 5 i 4 AE SE SE SE SE KE Lowest ze Lowest w Lowest el Lowest Lowest Lowest HU A1 ET Au AER EE As e QoS configuration Interface 47 IGMP The Internet Group Management Protocol IGMP is an internal protocol of the Internet Protocol IP suite IP manages multicast traffic by using switches routers and
24. nager Changing web management login user name and password for the management security issue 1 User name key in the new user name The default is admin 2 Password key in the new password The default is admin 3 Confirm password re enter the new password 4 Click Apply NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off 51 security Manager User Name fot New Password esse Confirm Password esse Apply veel Security Manager interface Configuration Backup Restore the backup configuration back to the industrial and backup the switch configuration to TFTP server TFTP Restore Configuration The restore flash ROM value can be restored from TFTP server but the backup image has to be on the TFTP server The industrial switch will download the image back to the flash from the TFTP server 1 TFTP Server IP Address Fill in the TFTP server IP 2 Restore File Name Fill in the correct restore file name 3 Click Apply Configuration Backup TFTP Restore Configuration TFTP Backup Configuration li 92 168 16 2 data det Apply Help TFTP Restore Configuration interface 52 TFTP Backup Configuration Saving current flash ROM value from the industrial switch to the TFTP server then go to the TFTP restore configuration page to restore the image value back to the industrial switch 1 TFTP Serve
25. net port 148 800 pps for Fast Ethernet port Transfer Rate Transfer packet 64bytes to 1522 bytes with VLAN tag size MAC address 2K MAC address table Memory Buffer 1Mbits Back plane 2 0 Gbps 60 Packet throughput ability LED Network Cable Power Supply Power consumption Packet filter 2 38Mpps 64bytes 8TX Per port Link Activity Green Full duplex Collision Yellow Per unit Power Green Power 1 Green Power 2 Green Fault Yellow Master Green 10Base T 2 pair UTP STP Cat 3 4 5 cable EIA TIA 568 100 ohm 100m 100Base TX 2 pair UTP STP Cat 5 cable ElA TIA 568 100 ohm 100m 12 48 VDC Redundant power with polarity reverse protect function and connective removable terminal block for master and slave power 4 6 Watts 4 selection rules for different type of packet combination All of packet H Broadcast multicast unknown unicast packet Broadcast multicast packet Broadcast packet only 61 SNMP MIB SNMP Trap Class of service Quality of service Redundant ring VLAN RFC 1213 MIBII RFC 1493 Bridge MIB RMON RFC 1757 RFC 2674 VLAN MIB RFC 1643 Ethernet like MIB RFC1215 Trap MIB IGMP MIB Private MIB for switch information redundant ring port alarm TFTP firmware upgrade reset port mirror IP security Up to 3 Trap stations Cold start Port link Up Port link down Authentication Failure P
26. nfiguration ooooononncicicicnccconnnonenncnccnnnnnnnos 35 IP ee IU MON tall ooo 35 SNTP Configuration ccccccccccccnnnnonncononnnnnnnononnnnnnnnos 36 IP SECUN sisi leds 39 ASTP GOMIQUT ON usos 40 Redundant ring ita a a 44 OOS Configuration sasssa sin toed 46 IGMP an dd 48 SNMP GContigUr HON vrs ia 49 Security Manager 51 Configuration Backup 52 TFTP Update Firmware 53 Factory Detalla e a bo tee 54 System ele e ina eee ke 55 Save Configuration ccccccccoococcononocononnnnnnnnnnonnonnnnns 54 Rate CONTO iaso a 55 KE OO DEE 56 Troubles Sho00tiNQ onnccccccnnnnnnccooccnncannonrennnaanannnnnnnnns 59 Technical Specification cccccccscscssesssseseeeneeeeeees 60 Introduction The 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring is a cost effective solution and meets the high reliability requirements demanded by industrial applications The 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring can be easily managed through the Web GUI It also provides the redundant ring function that can prevent the network connection failure Features Conform to IEEE 802 3 10Base T 802 3u 100Base TX 8 port 10 100TX industrial switch RJ 45 port support auto MDI MDI X function Wide range redundant power design DIN rail and wall mount design Easy configuration design Store and Forward switching architecture Support IEEE 802 1p class of service and provide port ba
27. og message Redundant Ring topology change when the redundant ring topology has changed the system will produce a log message Port event selection select the per port events Per port has 3 selections Link UP Link Down and Link UP amp Link Down Disable means no event is selected gt Link UP the system will produce a log message when port connection is up only Link Down the system will produce a log message when port connection is down only Link UP amp Link Down the system will produce a log message when port connection is up and down Click Apply after selecting System Lo System Log Configuration Event Configuration System event selection C Device cold start Cl Power status OO SAMP Authentication Failure O Super ring topology change Port event selection Disable v Port 02 Disable v Disable v Pat Disable Y Disable Porto6 Disable y Disable PPort08 Disable y Event Configuration interface Troubles shooting m Verify that is using the right power cord adapter DC 12 48V please don t use the power adapter with DC output bigger than 48V or it will burn this switch down H Select the proper UTP cable to construct your network Please check that you are using the right cable use unshielded twisted pair UTP or shield twisted pair STP cable for RJ 45 connections 1000 Category 3 4 or 5 cabl
28. on will lose when the switch power off Port Mirroring Port Mirroring Mode Disable y Analysis Port None sl Apply Help Prot Mirroring interface VLAN configuration A Virtual LAN VLAN is a logical network grouping that limits the broadcast domain which would allow you to isolate network traffic so only the members of the VLAN will receive traffic from the same members of VLAN Basically creating a VLAN from a switch is logically equivalent of reconnecting a group of 25 network devices to another Layer 2 switch However all the network devices are still plugged into the same switch physically The industrial switch supports port based and 802 10 tagged based VLAN In the default configuration VLAN operation mode default is disable VLAN Configuration VLAN Operation Mode Disable y VLAN NOT ENABLE VLAN Configuration interface Port based VLAN Packets can go among only members of the same VLAN group Note all unselected ports are treated as belonging to another single VLAN If the port based VLAN enabled the VLAN tagging is ignored In order for an end station to send packets to different VLANs it itself has to be either capable of tagging packets it sends with VLAN tags or attached to a VLAN aware bridge that is capable of classifying and tagging the packet with different VLAN ID based on not only default PVID but also other information about the packet such as the protocol 26 V
29. onnection lose between redundant ring group and upper level core switch The Dual Homing function only work when the redundant ring function is active The maximum Dual Homing port is one in a redundant ring group NOTE In Dual Homing application architecture the upper level switches need to enable the Rapid Spanning Tree protocol Ethernet Switch S Ethernet Switch D Rapid Spanning Tree Protocol T e Wem eee i Hot Standby Link i l p Redundant ring i Industrial backup link Switch sel Switch Industrial N Redundant Ring B D ag Switch J H l me A Ma N Redundant ring backup link Industrial Industrial Switch Switch Industrial Switch Industrial Switch Redundant Ring A Industrial 18 Web Based Management This section introduces the configuration and functions of the Web Based management The following configuration steps are based on the firmware version 1 06 About Web Based Management On CPU board of the switch there is an embedded HTML web site residing in flash memory which offers advanced management features and allow users to manage the switch from anywhere on the network through a standard browser such as Microsoft Internet Explorer The Web Based Management supports Internet Explorer 5 0 And it is applied for Java Applets for reducing network bandwidth consumption enhance access speed and present an easy vie
30. person for the switch Fill in the system options data and then click Apply to update the changes System Options 1 Name Enter a name for the switch 2 Location Enter the switch physical location 3 Contact Enter the name of contact person or organization 49 Community strings Community strings serve as password for MIB read or write 1 2 Strings Fill the name of string RO Read only Enables requests accompanied by this string to display MIB object information RW Read write Enables requests accompanied by this string to display MIB object information and to set MIB objects Click Add Trap Manager A trap manager is a management station that receives traps the system alerts generated by the switch If no trap manager is defined no traps will issue Create a trap manager by entering the IP address of the station and a community string 1 2 3 IP Address Key in the trap device IP Community Strings the trap device community strings Trap version the trap has two versions v1 or v2 select one of them Click Add 50 SHMP Configuration System Options Name Location Contact Apply Help Community Strings Current Strings New Community String public__RO Add String C private R A Remove RO CRW Trap Managers Current Managers New Manager none Add IP Address Remove pm Trap version yi y2c SNMP Management interface Security Ma
31. r IP Address Fill in the TFTP server IP 2 Backup File Name Fill the file name 3 Click Apply Configuration Backup TETP Restore Configuration TFTP Backup Configuration H 92 168 16 2 data dat Apply Help TFTP Backup Configuration interface TFTP Update Firmware Updating the switch firmware Before updating make sure the TFTP server ready and the firmware image is on the TFTP server 1 TFTP Server IP Address Key in the TFTP server IP 2 Firmware File Name the name of firmware image 3 Click Apply 53 TFTP Update Firmware hi 92 168 16 2 Apply Help TFTP Update Firmware interface Factory Default Reset switch to default configuration except the IP address subnet mask default gateway username and password will remain as user had been configured Click Default button to reset switch to default setting Factory Default Please click Default button to restore factory default setting Default Help Factory Default interface Save Configuration Save the industrial switch configuration to the flash memory Power off the industrial switch without the saving all changed configuration will lost Click the Save Flash button the save the configuration save Configuration Save Flash Help Save Configuration Interface 54 System Reboot Reboot the switch in software reset Click Reboot button to reboot the switch system Reboot Please click Reboot button to
32. ress packet limit m The egress rate control supports all of packet type and the limit rates are 128kbps 256Kbps 512Kbps 1MB 2MB 4MB and 8MB Ingress filter packet type combination rules are Broadcast Multicast Unknown Unicast packet Broadcast Multicast packet Broadcast packet only and all of packet The packet filter rate can be set follow as 1Mbps 2Mbps 4Mbps 8Mbps 16Mbps 32Mbps 64Mbps Support TFTP firmware update TFTP configuration backup and restore Provide DHCP client function to obtain IP address from DHCP serve 10 C to 70 C 14 F to 158 F 40 C to 80 C 40 F to 176 F 5 to 95 Non condensing 64 Humidity Storage Temperature Case Dimension EMI Safety Stability testing 40 C to 85 C IP 30 54 mm W x 135 mm H x 105mm D FCC Class A CE EN61000 4 2 ESD CE EN61000 4 3 RS CE EN61000 4 4 EFT CE EN61000 4 5 Surge CE EN61000 4 6 CS CE EN61000 4 8 CE EN61000 4 11 CE EN61000 4 12 CE EN61000 6 2 CE EN61000 6 4 UL cUL CE EN60950 IEC60068 2 32 Free fall IEC60068 2 27 Shock IEC60068 2 6 Vibration 65
33. rface 1 Click Add button 2 Management VLAN ID it is used for Remote Management Security In fact it can remote management that includes telnet SNMP and Web browse the switch only when the port of VLAN group ID is equal to the Management VLAN ID Fill the specific VLAN ID number in Management VLAN ID column and mark the check box and then click Apply button to enable the function For example the management VLAN ID is 101 the VLAN group ID 101 includes the port 1 2 and 4 Therefore only port 1 2 and 4 can remote management the switch And if the port is in two 29 different VLAN groups and one of VLAN group ID is equal to the assigned Management VLAN ID it still has the right to remote management the switch Group Name Assign a name for the new VLAN VLAN ID Fill in a VLAN ID 2 4094 The default is 1 Select ports from the ports list and then click Add to group the port as a VLAN group VLAN Configuration VLAN Operation Mode 802 1Q TT Management vlan ID fo Apply Basic Port LAN ID Group Name LAN ID fi Add Remove Next Help 802 1q VLAN Add interface Click Next and then the page display as below VLAN Configuration VLAN Operation Mode e021 Q T Management van ID o Apply w O Port 01 Untag y Port 02 Untag y Apply Set the outgoing frames are VLAN Tagged frames or untagged and then click Apply m Tag outgoing frames wi
34. rivate Trap for power status Port Alarm configuration Fault alarm redundant ring IEEE802 1p class of service support Per port provides 4 priority queues The quality of service support port based Tag based and IPv4 Type of service 2 ports for redundant ring to provide redundant backup feature and the recovery time below 300ms It also supports coupling ring function Ring and coupling port configure by web interface and ringmaster by hardware DIP switch Port based VLAN IEEE802 1Q Tag VLAN Both of port based and Tag based VLAN group up to 64 VLANs 62 IEEE802 1d spanning tree Spanning tree l IEEE802 1w rapid spanning tree IGMP v1 and Query mode IGMP Up to 256 groups SNTP Simple network time protocol SMTP Simple mail transfer protocol System Event Log 1000 event log entries Management IP IP address security to prevents unauthorized security intruder TX packet only Both of TX and RX packet Port mirror 63 Install Alarm Bandwidth control Firmware update DHCP client Operation Temperature Standard Model Operation Temperature Extended Model Operation Provide DIN rail kit and wall mount ear for wall mount or DIN type cabinet install Provides one relay output for port breakdown power fail and provide DIPswitch to mask link down port Alarm Relay current carry ability 1A DC24V WR Support ingress packet filter and eg
35. se Tag base and Type of service priority method Per port supports 4 priority queues Support Port based VLAN 802 1 Q Tag VLAN Support IGMP with Query mode for multi media application Support DHCP client Supports ingress packet filter and egress rate limit Support Relay alarm output for system events Support Power polarity reverse protect Support Port mirror for TX only TX and RX packet IEEE 802 3x flow control support gt Flow control on full duplex gt Back pressure on half duplex Support Redundant Ring function Simple Network Time protocol supported Management ID security TFTP firmware update and system configuration restore and backup 1Mbits Embedded memory 2K MAC address table SNMP Web management RMON supported Package Contents Please refer to the package content list below to verify them against the checklist WH 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring One DIN Rail attached on the switch One wall mount plate and six screws User manual 8 Port 10 100TX SNMP Managed Industrial Ethernet Switch User Manual With Redundant Ring Wall Mount Plate Screws DIN Rail Compare the contents of your industrial switch with the standard checklist above If any item is damaged or missing please contact the local dealer for exchanging Hardware Description In this paragraph we will introduce the Industrial switch s hardware spec port cabling information and wiring in
36. stallation Physical Dimension 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring dimension W x H x D is 54mm x 135mm x 105mm Front Panel The Front Panel of the 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring is showed as following figure Lano J i a A e LNXBOON Front Panel of the industrial switch Reset Button The reset button provides user a quick and easy way to restart and set the configuration back to default value H Restart press the button for 2 seconds and release H Set to factory default value press the button for 5 seconds and release The switch will set all configurations back to default setting Bottom View The bottom panel of the 8 port 10 100TX SNMP Managed Industrial Ethernet Switch with Redundant Ring consists of one terminal block connector within two DC power inputs and one DC IN power jack oo 000 000 0000000 Ge K Ki Ki Og Y KE Ot beg OO S DS Kur E EE UOU vO PWR2 1A 24V PWR1 Power Input DC 24Y 12 48 VZ VZ L Vi Mia Fault EH Bottom Panel of the industrial switch DIP switch The switch provides the 9 DIP switch for configuring the relay alarm operation mode and the ring master operation mode The default value of Dipswitch is OFF DIP Switch No Status OFF O Gl OFF O OFF O H OFF O H OFF O OFF ON Description Disable
37. t and priority of every port 1 Select the port in Port column 2 Path Cost The cost of the path to the other bridge from this transmitting bridge at the specified port Enter a number 1 through 200000000 3 Priority Decide which port should be blocked by priority in LAN Enter a number 0 through 240 The value of priority must be the multiple of 16 4 Admin P2P Some of the rapid state transactions that are possible within RSTP are dependent upon whether the port concerned can only be connected to exactly one other bridge i e it is served by a point to point LAN segment or can be connected to two or more bridges i e it is served by a shared medium LAN segment This function allows the P2P status of the link to be manipulated administratively True is P2P enabling False is 42 P2P disabling 5 Admin Edge The port directly connected to end stations cannot create bridging loop in the network To configure the port as an edge port set the port to True status 6 Admin Non Stp The port includes the STP mathematic calculation True is not including STP mathematic calculation False is including the STP mathematic calculation 7 Click Apply button NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off Rapid Spanning Tree System Configuration Per Port Configuration priority must be a multiple of 16 Apply Help RSTP Port
38. th VLAN Tagged Untag outgoing frames without VLAN Tagged Port VID Configure port VID settings Port VLAN ID Enter the port VLAN ID Click Apply To reset to default value click Default button 31 VLAN Configuration WLAN Operation Mode O Management van ID 0 Apply Basic Port LAN ID Port 01 802 1q VLAN Port VLAN ID interface NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off Alert There are three kinds of alert e mail event and power alarm You can configure each alert function as you needed Email Alert Configuration When the specific events occur the system will send the alert to the email account that is assigned by user User can set up the mail server IP mail account and forwarded email account for receiving the event alert 1 Email Alert enable or disable the email alert function 32 SMTP Server IP Address Set up the mail server IP address Authentication Mark the check box to enable and configure the email account and password for authentication H Mail Account Set up the email account to receive the alert Ex johnadmin 123 com The email account must exist on the mail server which user had set up in SMTP Server IP Address column m Password The email account password Confirm Password reconfirm the password 4 E mail Address of Receipient 1 4
39. the Power Inputs section The power LED on the Industrial switch will light up Please refer to the LED Indicators section for meaning of LED lights 5 Prepare the twisted pair straight through Category 5 cable for Ethernet connection 6 Insert one side of Category 5 cables into the Industrial switch Ethernet port RJ 45 port and another side of Category 5 cables to the network devices Ethernet port RJ 45 port ex switch PC or Server The UTP port RJ 45 LED on the Industrial switch will light up when the cable connected with the network device Please refer to the LED Indicators section for LED light meaning NOTE Be sure the connected network devices support MDI MDI X If it does not support then use the crossover category 5 cable 7 When all connections are all set and LED lights all show in normal the installation is complete Network Application This chapter provides some sample applications to help user to have more actual idea of industrial switch function application A sample application of the industrial switch as below 100Base TX Ethernet IT Cat3 5 UTP STP cable e Data collect server Human Management Interface Enterprise Switch Industrial Industrial Industrial Switch Switch Field Management Distribute UO 100Base TX Ethernet Programmable control system Cat3 5 UTP STP cable logic controller Serial Device Server el Field Automatic device Field Au
40. tomatic device Field Automatic device Redundant Ring Application The industrial switch supports the redundant ring protocol that can help your network system to recovery from network connection failure within 300ms or less and make your network system more reliable The redundant ring algorithm is like as spanning tree protocol STP algorithm but it has faster recovery time than STP A sample redundant ring application figure as below 16 100Base TX Ethernet Cat3 5 UTP STP cable j Data collect server Human Management Interface SI Rp eegen Enterprise Switch Industrial Switch Industrial Industrial wi Switch Switch eo Backup EN Field Management Redundant Ring Group Programmable logic controller 100Base TX Ethernet Cat3 5 UTP STP cable Distribute UO control system ll ll f Serial Device Server Field Automatic device Field Automatic device Field Automatic device Coupling Ring Application In the network it may have more than one redundant ring group By using the coupling ring function can connect each redundant ring for the redundant backup It can ensure the transmissions between two ring groups will no failure A sample of coupling ring application figure as below Backup path eer Ring F KEN Ring Group Sg Group Redunant Ring Group e path 17 Dual Homing Application Dual Homing function is to prevent the c
41. ut an alert message when port connection is down only gt Link UP 8 Link Down the system will send out an alert message when port connection is up and down m Click Apply after selecting 34 Alert Email Alert Configuration Event Configuration Power Alarm Configuration System event selection Device cold start Power status SNMP Authentication Failure Super ring topology change Port event selection Event Configuration interface Power Alarm Configuration Power alarm function enables the Relay alarm action Without enabling power alarm function the Relay alarm action will not work even the Relay alarm is set Mark the check box and click Apply button Alert Email Alert Configuration Event Configuration Power Alarm Configuration DPower1 CO Power2 Apply Power Alarm interface IP Configuration Configure the IP Settings and DHCP client function and then click Apply to 35 apply the new IP settings H DHCP Client Enable or Disable the DHCP client function When DHCP client function is enabling the industrial switch will be assigned the IP address from the network DHCP server The default IP address will be replace by the DHCP server assigned IP address After click Apply button a popup dialog will show up and inform the user that when the DHCP client is enabling the current IP will be lost and user can find the new IP on the DHCP server To cancel the DHCP client function click
42. wich Mean Time Dublin Edinburgh Lisbon London fo 0 0 0 0 20040101 00 00 20040101 00 00 Apply Help SNTP Configuration IP Security IP security function allows user to assign 10 specific IP addresses which have permission to access the switch through the web browser for the securing switch management 1 Enable the IP Security mark the check box to enable the IP security function 2 Security IP 1 10 user can assign up to 10 specific IP address Only these 10 IP address can access and manage the switch through the Web browser 3 Click Apply button to apply the configuration 39 NOTE Remember to execute the Save Configuration action otherwise the new configuration will lose when the switch power off IP Security IT Enable IP Security Apply Help IP Security Interface RSTP Configuration The Rapid Spanning Tree Protocol RSTP is an evolution of the Spanning Tree Protocol and provides for faster spanning tree convergence after a topology change The system also supports STP and the system will auto detect the connected device that is running STP or RSTP protocol System Configuration 1 The Root Bridge information of Spanning Tree is for viewing 2 Modify RSTP state After modifying click Apply H RSTP mode enable RSTP function before configuring the related 40 parameters Priority 0 61440 a value used to identify the root bridge The bridge with the lowest value h
43. wing screen NOTE By default IER O or later version does not allow Java Applets to open sockets The user has to explicitly modify the browser setting to enable Java Applets to use network ports Preparing for Web Management Before to use web management install the industrial switch on your network and make sure that any one of PC on your network can connect with the industrial switch through the web browser The industrial switch default value of IP subnet mask username and password is as below m P Address 192 168 1 5 H Subnet Mask 255 255 255 0 m Default Gateway 192 168 1 254 m User Name admin H Password admin System Login Launch the Internet Explorer on the PC Key in http the IP address of the switch and then Press Enter The login screen will appear right after A NA Key in the user name and password The default user name and password is admin 5 Click Enter or OK then the home screen of the Web Based management appears right after i I Function Menu Bar A PRN AA I Welcome to the 8 10 100TX Industrial Switch Reset Home Interface mee ee i i i rm rm rem rem pen rem pen pl en pe en eB ren pen rem rem 20 Port status Display every port status which depended on user s setting and the negotiation result H Port the port number m Type the speed mode ex 100TX 100Mbps H Link Down means No Link UP is for Link
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