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1. Add Edit Delete Previous Page Next Page Help 1 Click on Add to add a new VLAN group 2 Enter the VLAN name group IP and then select the members for this VLAN group 3 Click on Apply to adopt the settings 3 8 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual 4 Next you will see the VLAN group be displayed Group Name VLAN2 VLAN ID 2 If the groups list is longer than one page you can click on Next Page to view other VLAN groups 5 Use Delete button to delete unwanted VLANs 6 Use Edit button to modify the existing VLANs Note Remember to click on the Save Configuration button to save your settings Otherwise the settings you made will be lost when the JetNet is powered off Because the port based VLAN is defined on the switch itself and does not use information contained in the packet frame to define its membership it is restricted to ports of the same switch Effectively only the switch itself knows the architecture of a port based VLAN while the segments connected to the switch ports have no way of knowing the VLAN definition even exists This is the key difference between port and tag based Virtual LAN s 802 1Q VLAN This tag based VLAN is an IEEE 802 1Q standard which allows VLAN s to be created across different switches see Figure 1 IEEE 802 1Q tag based VLAN s make use of VLAN control information stored in
2. MAC Address Displays the unique hardware address MAC address assigned by the manufacturer the default setting Once you finish the configuration click on Apply to apply your settings Note Always remember to select Save Configuration to save your settings Otherwise the settings you made will be lost when the JetNet is powered off Port Mirroring korenix 2 Apply Help Port mirroring also called port spanning is a tool that allows you to mirror the traffic from one or more ports onto another port without disrupting the flow of traffic on the original port Any traffic that goes into or out of the monitored port s will be duplicated at the mirror port This traffic can then be analyzed at the mirror port using a monitoring device A network administrator will typically utilize this tool for diagnostics or debugging or to fend off attacks Port Mirroring State Select mirroring mode including Disable RX TX or TX amp RX Both Analysis Port This is the mirror port You can analyze the traffic of all the monitored ports at this port without affecting the flow of traffic on the port s being monitored A network administrator would typically connect a LAN analyzer or Netxray device to this port Monitor Port These are the ports you want to monitor The traffic of all monitored ports will be copied to mirror ports You can choose a single port or any combination of ports but you can only monitor them in one mirror mo
3. A fiber segment using single mode cable must use 9 125 or 10 125 micrometer single mode fiber cables For single mode the connection distance can be up to 30 km A fiber segment using multi mode must use 50 or 62 5 125 micrometer multi mode fiber cables For multi mode the connection distance can be up to 2 km DIN Rail Mounting Installation The DIN Rail clip is already attached to the JetNet 4500 Series products when packaged If the 2 6 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Hardware Installation DIN Rail clip is not screwed on the JetNet follow the instructions and the figure below to attach the DIN Rail clip to the JetNet Here we use JetNet 4508 Industrial Ethernet Switch as an example 1 Use the screws to attach the DIN Hal clip to the rear panel of the JetNet 4508 2 To remove the DIN Rail clip reverse step 1 JetNet 4008 Rear Panel Follow the steps below to mount the JetNet to the DIN Rail track 1 First insert the upper end of the DIN Rail clip into the back of the DIN Rail track from its upper side T III I es OS mmm i Lat EE p UR M ESAN gt Kum Gell LKE Res Dor DS adi Ses Mr 20 e MR ei E c cts pug c ET Ge EE e me nd Ee eh EE EE geg Ss 3 Check if the DIN Rail clip is tightly attached on the track 4 Toremove the JetNet from the track reverse the steps above Wall Mounting Installation Follow these steps to mou
4. Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 4 3 A MIB Groups JetNet Managed Switch equips with a built in SNMP Simple Network Management Protocol agent software that supports cold start authentication redundant topology changes power inputs failure line up down trap and RFC 1213 MIB II RMON 1 group 1 2 3 9 The standard MIB groups that JetNet 4500 series supports are MIB II Group SysObject ID oysUptime SysContact SysName SysLocation SysService Systemlnterface Bridge MIB DotidBase Dot1dStp Dot1dTP DotidStatic VLAN MIB Trap MIB Ethernet like MIB RMON MIB Private MIB JetNet 4500 series also provides a private MIB file located in the file Korenix JetNet4500 MIB mib on the JetNet 4500 Series CD ROM B Specifications Technology Standard IEEE802 3 10Base T Performance Switch Technology System Throughput MAC Address Packet Buffer Transfer performance Management SNMP MIB SNMP Trap System Log Class of Service Quality of Service Bandwidth Control IGMP DHCP Timer Firmware upgrade VLAN IEEE802 3u 100Base TX IEEE802 3x flow control IEEE802 1d Spanning Tree IEEE802 1w Rapid Spanning Tree RSTP IEEE 802 1Q VLAN IEEE802 1p Class of Service IEEE802 1q Quality of Service Store and Forward Technology with 3 2Gbps Switch Fabric 1 49Mpps 2K MAC 1Mbits 14 880pps for Ethernet and 148 800 for Fast Ethernet and transfer packet s
5. recognize the occurrence of a collision and since the detection of a collision is principal to the way Ethernet arbitrates media access large domains containing many nodes can become quite cumbersome Thus using an Ethernet switch to subdivide a large network into separate collision domains will certainly help to increase throughput The current tendency in critical industrial control applications is to connect one Ethernet device per switch port This will produce the most deterministic mode of operation as the switch can then operate full duplex with no chance of collisions This ensures determinism helping critical control applications to remain predictable and on time Each port of a switch forwards data to another port based on the MAC address contained in the received data packet frame In order to know which port to forward a data packet to the switch will learn and store the MAC addresses of every device it is connected to along with the associated port number However until the switch actually learns the port a particular address resides at the first packet it forwards this traffic to all ports just like a hub The switch will use its internal look up table to quickly determine the location port of a node establish a temporary connection between itself and the node then terminate the connection once a packet is transferred In this way it increases network bandwidth and provides the network determinism required for critical contr
6. you can use Configuration Backup function to copy the first switch s settings and restore them to the second switch This will reduce the time required to set up the second switch Refer to Configuration Backup section for more information IP Configuration S SHEI IP Configuration s PWR GALE PIR i DHCP Client Disable DI FAULT Apply Help EJ E ra set X Re This function allows users to configure the JetNet s IP address settings DHCP Client You can select to Enable or Disable the DHCP Client function When the DHCP Client function is enabled an IP address will be assigned to the JetNet from the networks DHCP server In this mode the default IP address will therefore be replaced by the one assigned by the DHCP server If the DHCP Client is disabled then the IP address that you specify will be used instead 3 14 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual SNTP IP Address You can assign the IP address that your network has reserved for your JetNet If the DHCP Client function is enabled you don t need to assign an IP address to the JetNet as it will be overwritten by the DHCP server and shown here The default IP is 192 168 10 1 Subnet Mask You can assign the subnet mask for the IP address here If the DHCP Client function is enabled you don t need to assign the subnet mask Gateway You can assign the gateway for the JetNet here
7. 3 and ES port 4 to build super ring Backup Path Blocked Switch 4 use port and port 8 to build super ring EH C Switch 2 use port and NES port to build super ring Switch 3 use port 3 and port 4 to build super ring Here we use 4 JetNet 4508 Industrial Ethernet Switches to form a Super Ring topology Switch 1 is configured to be the Ring Master and the 1 Ring Port of the R M is the forwarding path the p Ring Port of R M is the backup path R M will continuously sent hello packet through port 5 to next switch and receive the returned hello packet from port 6 7 Enable Super Ring 1st Ring Port Fong v This switch is Ring Master The settings of Switch 1 Ring Master Click the R M DIP to ON The web UI will show The switch is Ring Master Port 3 and Port 4 are the Ring Ports Enable Super Ring 1st Ring Port Port 01 v 2nd Ring Port Hot US v The settings of Switch 2 The Port 1 and Port 8 are the Ring Ports The 2 ports of non R M are forwarding ports Enable Super Ring 1st Ring Port Port 3 v and Ring Port Fam iv The settings of Switch 3 The Port 3 and Port 4 are the Ring Ports The 2 ports of non R M are forwarding ports B E E TE TE o Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 21 Enable Super Ring ist Ring Port Hot OU v 2nd Ring Port Hot Up v The settings of Switch 4 The Port 1 and Port 8 are th
8. Ethernet Rail Switch User s Manual Introduction Package Checklist Korenix JetNet 4500 Series products are shipped with the following items B One industrial Managed Ethernet switch B One DIN Rail clip attached to the switch B One wall mounting plate and six screws B Documentation and Software CD B Quick Installation Guide If any of the above items are missing or damaged please contact your local sales representative Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 1 5 2 Hardware Installation This chapter includes information of installation and configuration The following topics are covered in this chapter B Introduction gt gt gt gt Panel Layout Reset Button LED Indicators DIP Switch Wiring the Power Inputs Wiring the Relay Output Wiring the Ethernet Ports Wiring the Fiber Ports DIN Rail Mounting Installation Wall Mounting Installation Introduction Panel Layout Here we use JetNet 4508f Industrial Ethernet Switch as an example Front View 1 LED indicators 2 DIP switch 3 RJ 45 ports 4 Fiber ports 2 3 Bottom View At the bottom of this switch is a 3 Der DEE 0 O 0 ground screw and a 6 position plug in oOoocgoooOcooocooOQ0O0 i terminal block connector with two DC OoOgoOOUUOCOOOOOCOOO00 C power inputs and a relay connection DC IN PWR1 PWR2 There is also a DC IN power jack for Fri rri connecting an optional AC DC power adapter wall
9. The default gateway is 192 168 10 254 Once you finish configuring the settings click on Apply to apply your configuration SNTP Configuration SNTP Client Daylight Saving Time hD Greenwich Mean Time Dublin Edinburgh Lisbon London ze 0 0 0 0 20040101 00 00 20040101 00 00 The Simple Network Time Protocol SNTP is an adaptation of the Network Time Protocol NTP used to synchronize computer clocks on the internet You can configure the SNTP settings here for the purpose of synchronizing the clocks of several switches on the network SNTP is maintained by the Internet Engineering Task Force IETF SNTP Client Select Enable to acquire the current time from the SNTP server or Disable to disable this feature Daylight Saving Time You can activate Daylight Savings Time function here UTC Time zone Select the time zone where the JetNet is located The following table lists the time zones for different locations for your reference ADT Atlantic Daylight AST Atlantic Standard 4 hours EDT Eastern Daylight EST Eastern Standard 5 hours CDT Central Daylight CST Central Standard nous MDT Mountain Daylight MST Mountain Standard one PDT Pacific Daylight PST Pacific Standard TS E ADT Alaskan Daylight Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 15 ALA Alaskan Standard 9 hours 3 am CET Central European FWT French Winter MET Middle Euro
10. a VLAN header attached to IEEE 802 3 packet frames This tag contains a VLAN Identifier VID that indicates which VLAN a frame belongs to Since a switch only has to check a frame s tag without the need to dissect the contents of the frame this also saves a lot of computing resources within the switch FLOORS FLOOR2 FLOOR Figure 1 Tagged VLAN Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 9 VLAN Configuration VLAN Operation Mode 802 10 DI t e Basic Port VLAN ID DEFAULT 1 Add Edit Delete Previous Page Next Page Help Basic 1 Click on Add button to add a new tag based VLAN korenix VLAN Configuration VLAN Operation Mode 802 1 Q DI Group Name VLAN ID fi 2 Group Name You can assign a name for the new VLAN here The Group Name is a reference for the network administrator to identify different VLANs 3 VLAN ID You can type in VLAN ID here the value is between 2 and 4094 The default value is 1 The VLAN ID is used by switches to identify different VLANs 4 Select specific ports of this switch to be included in the VLAN from the available ports box 3 10 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Click Add to add ports to the VLAN or Remove to remove ports from the VLAN Then click Next to continue Please note that each VLAN will require a tagged port Different VLANs use these tagged port
11. also referred to as bridges Root bridges are related to the spanning tree RSTP Mode You must first enable the STP or RSTP mode before configuring any related parameters The parameter settings required for both STP and RSTP are the same Note that 802 1d refers to STP mode while 802 1w refers to the faster RSTP mode Priority 0 61440 This value must be in multiples of 4096 and represents the bridge ID number This number is used to identify the root bridge A root bridge continuously transmits network topology information to other bridges switches using the spanning tree protocol and serves to notify other bridges on the network when topology changes are required It is located where the paths that frames take through the network are assigned and usually centrally located to provide the shortest path to other links on the network Like a hub a root bridge will forward frames out to all of its ports Every network should have one root bridge and it is usually assigned the lowest bridge ID The bridge with the lowest bridge ID number has the highest priority and is selected as the root bridge If you happen to change this value you must reboot the switch to cause the system to assign a new path priority number Note that you increase this switches priority by selecting a lower number A device with a lower number has a higher bridge priority and thus a greater chance of being established as the root bridge of the spanning tree topology
12. current configured management station the trap Managers manager on the switch To remove a trap manager select the trap manager in the list and click Remove button New To add a new trap manger fill the following IP address community Manager and trap version fields then click Add button IP Address Enter the IP address of the management station Community Enter the community string for authentication of the management station Trap version version Trap version Select SNMP v1 v2c version protocol to manage Switch Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 35 Email Alert Configuration Alert Email Alert Configuration Event Configuration Power Alarm Configuration E mail Alert 121 38 75 121 Tomeoht Com E mail Alert Select Enable from the drop down list menu to turn on E mail alert function in following table setting E mail of Recipient 1 The first email address to receive email alert from JetNet Max 40 characters E mail of Recipient 2 The second email address to receive email alert from JetNet Max 40 characters E mail of Recipient 3 The third email address to receive email alert from JetNet Max 40 characters E mail of Recipient 4 The fourth email address to receive email alert from JetNet Max 40 characters Event Configuration Click Event Configuration folder to select events to be monitored when sending E mail Alert 3 36 Korenix Je
13. module that resides in a managed switch An agent translates the local management information from the managed device into a SNMP compatible format The manager is the console through the network Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 33 SNMP Configuration Community Strings Current Strings New Community String private RW Remove RO ORW Trap Managers Current Managers New Manager rP address 0 Trap version yi Oyv2c System Options Field Description Community Strings Field Desen Current Strings The list box displays the current configured community strings of the switch To remove a string select the string in the list and click Remove button The entry shows the String Name and the Privilege New Fill in fields below to add a new community string and define the permission Community Read Only or Read Write of accessing SNMP objects then click Add Strings button Enter a new community string for authentication The RO means Read Only it means that the SNMP agent accesses all HN objects with read only permissions using the community string The RW means Read amp Write It means that SNMP agent access all objects with read write permissions using the community string 3 34 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Trap Managers Field Description 00000 Current This field displays the
14. s of switch 1 and switch 2 to form a VLAN Group A and all Port 5 s and Port 6 s to form a VLAN Group B This will restrict VLAN A and VLAN B from communicating with each other except through their port 8 s which they will use to transmit data to each other this is their tagged port The tagged VLAN settings for switch 1 are as follows settings for switch 2 are the same those for switch 1 1 You must specify which port s belong to the VLAN 3 12 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Define your VLAN ID Notice we suggest that the VLAN ID must be the the same as the PVID Port VLAN ID Press Add to create a LAN group Enter a group name for your VLAN group i EU Grouse Hame 7 Mc wi AF ID G Part 1 Pri da Vn 05 Fur gu EST Use add to decide Can which port belongs to E 1 the VLAN group Notice The uplink port must be included in each VLAN group 1 1 Click Add to create VLAN A 1 2 Enter a group name and a VLAN ID VID for VLAN A you cannot use 1 as a VLAN ID as 1 is reserved for the default VID 1 3 Use Add to include the ports that belongs to this VLAN Port 1 and Port 2 Don t forget to include the tagged uplink port uplink Port 8 1 4 Repeat Step 1 1 to 1 3 to create VLAN B 2 Setup Tagged Port Be sure to set up the Tag uplink Port port 8 for our example Thus VLAN A and VLAN B can only communic
15. the homepage of the web based management interface will appear 6 Once you enter the web based management interface change the JetNet s IP address to fit your network environment 3 2 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Configuration via the Web based Management Interface sik Welcome to the E Industrial Managed Ethernet Switch JetNet 4508 Copyright 5 205 Kerenkis Technologies Co Luk all sights deserves Menu Bar Introduction Home The home page of this embedded web based management interface Port Status This section is to display the port status and settings Port Statistics This section is to display the JetNet s port data flow statistics Port Control This section is to configure the JetNet s port settings Switch Settings This section is to display the information of the JetNet s system Port Mirroring This section is to enable and configure port mirroring settings VLAN Configuration This section is to enable and configure VLAN settings IP Configuration This section is to set up the JetNet s IP address SNTP This section is to enable the network time server IP Security This section is to set up the IP address which allows users to access the JetNet from the web RSTP This section is to enable and configure the RSTP function Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 3 Super Ring This sec
16. to receive and decode Ethernet frames test for frame integrity plus assemble and transmit Ethernet frames With Ethernet any device can try to send a data frame out at any time If two devices happen to send a data frame at the same time then a collision may occur The arbitration protocol for carrier transmission access of the Ethernet network is called Carrier Sense Multiple Access with Collision Detect CSMA CD With CSMA CD each device will first sense whether the line is idle and available for use If it is the device will begin to transmit its first frame If another device also tries to send a frame at the same time then a collision occurs and both frames are discarded Each device then waits a random amount of time and retries its transmission until it is successfully sent Unlike other Ethernet devices such as an Ethernet host adapter or Network Interface Card NIC the port of a switch does not require its own MAC address During retransmission of a received packet the switch port will instead look like the originating device by having assumed its source address This is why the Ethernet collision domain is said to terminate at the switch port That is a two port switch will effectively break a network into two distinct data links or segments An eight port switch like JetNet 4508 Industrial Ethernet Switch can break a network into 8 distinct data links or segments also called collision domains Since all Ethernet nodes are able to
17. w Port 04 Link Up amp Link Down Link Up amp Link D wp Link Up amp Link Down Link Up amp Link Down ze Link Wp amp Link Down ze Link Up amp Link Down Link Up amp Link Down ze 3 40 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual 3 Troubleshooting This chapter includes the information on general troubleshooting The following topics are covered in this chapter Power Connections Incorrect Connections gt Faulty or Loose Cables gt Non standard Cables gt Improper Network Design LED Indicators Power Connections JetNet is powered from 12 48V DC You should verify that the output of your DC supply voltage or AC DC power adapter remains within the required 12 to 48V DC range while under load IMPORTANT Never exceed 48V DC or you will damage the switch If you are using an AC DC power adapter and the DC IN power indicator PWR of the JetNet does not light when the power cord is plugged in you may have a faulty power cord Check for loose or broken power connections Also check for power loss or power surges at the AC power outlet Verify that your AC DC adapter is properly sized and outputs the correct voltage under load Incorrect Connections Select Ethernet cables with specifications suitable for your application In general Ethernet cables are categorized into unshielded twisted pair UTP and shielded twisted pair STP types Shiel
18. w ke Portbased Ww Portbased v i E Apply OoS Policy You can select the QoS policy rule as follows Use an 8 4 2 1 weighted fair queuing scheme The JetNet will follow 8 4 2 1 rate to process the packets in a queue from the highest priority to the lowest For example the system will process 8 packets with the highest priority in the queue 4 with middle priority 2 with low priority and 1 with the lowest priority at the same time Use a strict priority scheme Packets with higher priority in the queue will always be processed first except that there is no packet with higher priority Priority Type Each port has 5 priority types for you to select Port based The port priority will follow the default port priority that you have assigned High middle low or the lowest COS only the port priority will only follow the COS priority that you have assigned TOS only the port priority will only follow the TOS priority that you have assigned COS first the port priority will follow the COS priority first and then other priority rule TOS first the port priority will follow the TOS priority first and then other priority rule Default Priority Type This is to decide the default priority of each port The CoS value of the Lowest priority is 1 or 2 The default is 2 The CoS value of the Low priority is O or 3 The default is 0 The CoS value of the Middle priority is 4 or 5 The default is 4 The CoS value of the High pri
19. JetNets can also be visually monitored via its own front panel LED indicators This can be useful to assist in identifying common problems and to help you find possible solutions Check the redundant PWR1 and PWR2 LED s to verify DC power The PWR LED will light for any connected power PWR1 PWR2 or DC IN Check PWR for power via an AC adapter connected to DC IN If the power LED indicator does not light when the power cord is plugged in you might have a problem with the power outlet or the power cord If the switch simply powers OFF on its own after running for a period of time check for loose power connections power losses or surges at the power outlet You should also verify that your supply voltage remains within the required 12 48VDC range while under load Refer to the port Link LED LNK to verify that a connection has been properly established solid green A blinking green LNK LED indicates communication activity If the LNK LED remains off after making a connection then no device has been detected and the cable may be bad or the connected device may be un powered Refer to the Collision LED COL to monitor for excessive collisions A blinking COL LED indicates that collisions have occurred This LED will be solid ON for a full duplex connection as collisions cannot occur for full duplex A full duplex connection can be achieved by simply connecting one device per switch port and this is the most deterministic mode of operation
20. Korenix JetNet 4500 Series Industrial Managed Ethernet Switch User s Manual Third Edition Feb 2007 korenix www korenix com Korenix JetNet 4500 Series Industrial Managed Ethernet Switch User s Manual Copyright Notice Copyright 2005 Korenix Technology Co Ltd All rights reserved Reproduction in any form or by any means without permission is prohibited Table of Contents Chapter 1 Idee UIC CON BEE 1 1 91 171 ee eats rT 1 2 Ethernet Switching Technology 1 2 PrOGUGE AE 1 4 Package OCNECKIIG riot hr ette nei ot Mou nente EERE 1 5 Chapter 2 Hardware Installation eee eeee EEN RRE eene nennen 2 1 MI OAUCUO Nese E 2 2 Ree EE 2 2 missio me EP P 2 2 LED GIG AION E TTE OT LEUR 2 2 Bil er EE 2 4 Wiring the Power InNpUTS eicit GE EE 2 4 Wiring the Relay Tt E 2 4 Wiring the Ethernet ln CN 2 5 WING the FIDEn POr EE mm T 2 6 Re Ek Gre Elte Ne CO E e EE 2 6 Wall Mounting Installation ccccccccececseeeeseeeeeeeeeseeeesseeesaeeseaeeeseueeseeeeseneeeaes 2 7 Chapter 3 Web based Management 1 eese eeee eere rese enn nnns 3 1 Igel edel mee 3 2 Preparation for Ma nagemienLb i avs aint tins eee EE 3 2 OY Ste Ee UE 3 2 Configuration via the Web based Management Interface 3 3 Men Bar Integration ee tue Pu a bec p nouis 3 3 Configuring JetNet 4500 Series Industrial Ethernet Swit
21. Master in a redundant media ring you must restart this switch to activate the settings see Reset Button or ring redundancy will not operate 3 Only one switch in a media ring should have its Ring Master switch set to ON 4 n order for a redundant ring to operate all switches in the ring must be of the same type employ the same redundant ring method Wiring the Power Inputs IMPORTANT It is good practice to turn off input and load power and unplug the power terminal block before making wire connections Otherwise your screwdriver blade can inadvertently short your terminal connections to the grounded enclosure 1 Insert the positive and negative wires of your DC supply into the V and V contacts of the terminal block connector The acceptable wire range is 12 to 24 AWG 3 OPTIONAL DC IN JetNet 4500 Series Industrial Ethernet Switch has an additional power jack for the connection of AC DC power converters wall transformer type designed for office use Be sure that the output voltage is within the required 12 48V DC range and of sufficient capacity to power the unit Refer to switch PWR LED to verify power via the DC IN jack Note If all three power inputs are connected DC IN PWR 1 PWR 2 the JetNet will be powered from the highest connected voltage The unit will not alarm for loss of DC IN power the alarm function only applies to loss of power at PWR1 or PWR2 Wiring the Relay Output The alarm output relay conta
22. Max Age 6 40 Enter a value from 6 to 40 seconds here This value represents the time that a bridge will wait without receiving Spanning Tree Protocol configuration messages before attempting a reconfiguration If this JetNet is not the root bridge and it has not received a hello message from the root bridge in an amount of time equal to Max Age then this JetNet will reconfigure itself as a root bridge Then once two or more devices on the network are recognized as a root bridge the devices will renegotiate to set up a new spanning tree topology Hello Time 1 10 Enter a value from 1 to 10 seconds here This is the periodic timer that drives the switch to send out the BPDU Bridge Protocol Data Unit packet to check on the current STP status The root bridge of the spanning tree topology periodically sends out a hello message to other devices on the network to check if the topology is healthy The hello time is the amount of time the root waits between sending hello messages Forward Delay Time 4 30 Enter a value between 4 and 30 seconds This value is the time that a port waits before changing from the Spanning Tree Protocol learning and listening states to the forwarding state This is the amount of time this JetNet will wait before checking to see if it should change to a different state Once you have completed your configuration click on Apply to apply your settings Note You must observe the following rule t
23. R UN Port 4i00TXDownEnabe o o o o o o fo o PortoSi0 TXDownEnabe O o o o o o fo o Port 06 100Tx Downenable o o o o o o joj o Port 7zi00FXDownEnabe o o o o o o joj o Porgi00FXbownEnabe o o o o o o joj o In this section you can view operation statistics for each port Click on Clear to reinitialize and clear any counts Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 5 Port Control Port Control pm EE ST ETS ep Poros v Port 01 LOOT 100 Full 100 Full You can change the port settings here Simply select the port you want to configure and you will be able to view the current status and settings of the selected port and make changes to port settings as required In State column you can enable or disable the control over this port In Negotiation column you can configure the auto negotiation mode to Auto to enable automatic negotiation or Force to directly specify the speed duplex on this port In Speed column you can configure the speed of this port The command is only available when you selected Force mode In Duplex column you can configure the full duplex or half duplex mode of this port The command is only available when you selected Force mode In Flow Control column Symmetric means that you need to activate the flow control function of the remote network device in order to let the flow control of th
24. REVISION FIISLOLY GE C 1 1 Introduction Welcome to Korenix JetNet 4500 Series Industrial Managed Ethernet Switch JetNet 4500 Series is a managed rail switch that is specially designed for industrial applications The manual is applied to JetNet 4508 and 4508f switches The following topics are covered in this chapter Overview Ethernet Switching Technology Product Features Package Checklist Installation Guide Overview JetNet 4500 series Industrial 8 port Managed Ethernet Switches that have eight 10 100MBaseTX ports JetNet 4508 or six 10 100MBaseTX ports plus two 100BaseFX ports multi mode m or single mode s models JetNet 4508f and are designed to operate under harsh environmental conditions The switches provide solid foundation for a highly fault tolerant and easily managed network JetNet can be remotely configured by web browser and managed by Simple Network Management Protocol SNMP and Remote Monitoring RMON Security is enhanced with advanced features such as Port Tag based VLAN and IP security Performance is optimized by QoS and IGMP Snooping querying Korenix Super Ring technology enables superb self healing capability for network failure The IP30 design aluminum case further strengthens JetNet 4500 s withstand ability in harsh industrial environments The event warning is notified to the network administrator via e mails or to field engineers by relay output JetNet 4500 Series Industrial Managed E
25. SE System Configuration Per Port Configuration Priority must be a multiple of 4096 2 Forward Delay Time 1 should greater than or queal to Max Age Max Age should be greater than or equal to 2 Hello Time 1 Apply Root Bridge Information If a switch has more than one path to a destination this leads to message loops that can generate broadcast storms and quickly bog down a network The spanning tree was created to Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 17 combat the negative effects of message loops in switched networks A spanning tree uses a Spanning tree algorithm STA to automatically sense that a switch has more than one way to communicate with a node Then it selects the best path primary and blocks the other path s It also keeps track of the blocked path s in case the primary path fails The Spanning Tree Protocol STP introduced a standard method for accomplishing this and this is specified in IEEE 802 1d Later the Rapid Spanning Tree Protocol RSTP was adopted and represents the evolution of STP providing much faster spanning tree convergence after a topology change This switch supports both RSTP and STP all switches that support RSTP are also backward compatible with switches that support only STP System Configuration Under the System Configuration tab you can change the spanning tree settings and view the Root Bridge Information Note that switches are
26. at corresponding port on the JetNet to work Asymmetric means that you don t need to activate the flow control function of the remote network device as the flow control of that corresponding port on the JetNet will work anyway Once you finish configuring the settings click on Apply to save the configuration Note Remember to click on the Save Configuration button to save your settings Otherwise the settings you made will be lost when the JetNet is powered off Switch Settings Switch settings Industrial Managed Ethernet Switch JetNet 45087 JOO12 0114F4 3 6 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual You can assign the System Description System Name System Location and System Contact System Description You can briefly describe the JetNet you are using System Name You can assign a name to the JetNet switch for identification purpose System Location You can specify the JetNet s physical location here System Contact You can enter the name of the contact person for the switch The above settings can be synced to SNMP objects You can view these settings by SNMP browser Note In V2 01 and later firmware the System Name Location Contact settings are removed from the SNMP web page Firmware Version Displays the firmware version installed in this JetNet Kernel Version Displays the kernel version in this JetNet Hardware Version Displays the hardware version of this JetNet
27. ate with one another via transmission from their port 8 The ports which you set up in step 1 dw jg Fi Fi d p r d d p d p 2 p Fi E d d d zu L Port Di Port 02 l Apply Set up the uplink port to be the tag port Mark the tagged port in the VLAN A and VLAN B via the web management interface 3 Set up Port VLAN ID Follow the instructions described in Port VLAN ID PVID section to set up the port VLAN IDs for each Untag port It is recommended that each port s port VLAN ID be set to the same value as the VLAN ID VID to which it belongs Tag uplink ports do not need any port VLAN ID Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 13 Set up each port s Port VLAN ID PVID Notice 1 Don t need to set up the uplink port s PVID Notice 2 we suggest that the PVID must be the same as the VLAW ID e Port 5 m Part Dp Foo Port DE Se Port 08 wa When you change the Port VLAM ID remember to press Apply to validate the change The port which has been grouped by tagged VLAN 4 Always remember to select Save Configuration to save your settings Otherwise your settings will be lost when the JetNet is powered off 5 Repeat step 1 to 4 to set up the second switch the settings for the second switch are the same 6 Since the settings for the second switch are exactly the same as the first one
28. be the ability to guarantee that a packet is sent or received in a finite and predictable amount of time The inherent lack of determinism is the main reason that traditional Ethernet had problems being accepted for use in critical control applications as most control systems have a defined time requirement for packet transmission typically less than 100ms 1 2 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Introduction Switches on the other hand are intelligent devices used to more efficiently connect distributed Ethernet nodes than a hub Unlike a simple hub a switch provides targeted data transfer as it will forward a data packet to a specific port or network segment rather than to all ports thus freeing up bandwidth The ability to target a packet to a specific port increases network throughput and helps to eliminate the collisions that have historically made Ethernet non deterministic So we see that by targeting the data transfer between ports switches act as intelligent repeaters to increase network distances In doing this they actually split networks into separate collision domains at each port Thus switches increase determinism by reducing collisions Switches also increase network bandwidth and throughput as well as provide supplemental error checking on data packets to help ensure the integrity of forwarded data Each port of this switch functions just like any other Ethernet device It is able
29. ch 3 4 mole EE 3 4 POM elici silet qm tine sect tte tence TENE 3 5 POM COMO Rc T 3 6 e teil Te RETE T I T 3 6 POEMON mE EU 3 7 VILANS CORI GUNA OM EE 3 8 IPG OMMGUI ATOM EE 3 14 ERR dc 3 15 HEET 3 17 Network Redundancy RSTP SIB 3 17 Network Redundancy Super Hmg 3 20 Network Redundancy Ring Coupling 3 23 Network Redundancy Dual Hommg 3 24 le A 3 26 IGMP SSROO DING NR 3 27 Security Manage crises 3 28 Gonriguratior Backup eebe 3 28 Chapter 4 Appendix A Appendix B Appendix C TFTP Update Firmware cci rtt eR en OTE 3 30 Faclo Dedu nere et ake Matag a tate Sanaa i wcrc 3 30 oystem ReDOOEL iei eno osea Erase Eet 3 31 een le E te EE 3 31 acia as 3 32 eieiei rise Eel 2E 3 33 Email Alert Configurator casic a 3 36 Email Alert Configuration cccccccccceceeeseeeeeeeseeeeeeeeeeeseaeeeessaaees 3 36 Event Configbil e EN 3 37 Power Inputs Alarm Configuration ccccccccseeeeeesseeeeeeeeeeeeeseaees 3 38 DY SLO MT Le ERE E RE 3 38 Nee le Ee e ln Ce eene etre EE TTD TESTE 4 1 POWE e ale EE 4 2 fleegt ene EE 4 2 Faulty OF ale CW 4 2 Non standard Gables E 4 2 Improper Network Design 4 2 EE DANGI A OS NE T T TT TOT NES 4 3 dlzRtrpl e A 1 DSP SCITIG AVON b B 1
30. cts are in located at the two middle terminals of the power terminal block between PWR2 and PWR1 as shown in the figure below These contacts are single pole single throw SPST and are energized open circuited for normal operation These contacts will close if the unit is not powered or if either DC power 1 or power 2 fails or if a port connection fails if that port alarm DIP switch is ON The figure below gives an example of how the output 2 4 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Hardware Installation alarm relay operates Note The relay contacts are energized open for normal operation and will close for fault conditions This contact does not supply any power and is rated up to 24V DC at 1A FAULT ALARM THE ALARM DEVICE WILL SEND CONTACTS A WARNING SIGNAL TO WARN OF POWER OR PORT FAILURE THE CONTACTS WILL CLOSE IF POWER IS OFF OR IF PWR1 OR PWR2 FAILS OR UPON i A PORT LINK FAILURE IF PORT 24V DC ALARM DIP SWITCH IS ON BUZZER SPST CONTACTS ARE RATED TO 24VDC 1A 1 Connect to the SPST alarm relay terminals per your application Insert your load wires and tighten the alarm terminal screws to prevent the wires from coming loose These contacts are open for normal operation and close in alarm Do not exceed 24V and 1A gz ARAMA 2 Verify that your load is wired to the center two terminals of this terminal block After the power relay is wired replace t
31. de To disable this function set the monitor port to None Once you finish configuring the settings click on Apply to apply the settings Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 7 Note Always remember to select Save Configuration to save your settings Otherwise the settings you made will be lost when the JetNet is powered off VLAN Configuration A Virtual LAN VLAN is a logical grouping of nodes for the purpose of limiting a broadcast domain to specific members of a group but without physically grouping the members together That is a VLAN allows you to isolate network traffic so that only members of the VLAN would receive traffic from the same VLAN members Basically creating a VLAN from a switch is the logical equivalent of physically reconnecting a group of network devices to another Layer 2 switch without actually disconnecting these devices from their original switch JetNet 4500 Series Industrial Ethernet Switch supports both port based and 802 1Q tagged based VLAN s The VLAN Operation Mode is set to disable by default VLAN Configuration VLAM Operation Mode Disable VLAN NOT ENABLE Port based VLAN Packets only go to the members of the same VLAN groups Note that all of the unselected ports are treated as belonging to another single VLAN If the port based VLAN enabled the VLAN tagging will be ignored VLAN Configuration VLAN Operation Mode Port Based
32. ded cables are recommended In general Category 3 4 and 5 Ethernet cables are suitable for systems with 10Mbps transmission speed But for systems at 100Mbps you should only use Category 5 or better Ethernet cables Gigabit ports should use Cat 5 or Cat 5e cables for 1000Mbps connections In addition always make sure that the cable length between device ports does not exceed 100 meters 328 feet The RJ45 ports of this switch automatically detect straight through or crossover cables and then cross connect the transmit and receive channels when you connect the switch to another device This feature does not apply to the fiber port connections You must manually cross connect transmit and receive cables between the fiber ports of connected devices For fiber connections make sure that the fiber cable type matches the fiber model multi mode or single mode For the RJ 45 connectors use the correct UTP or STP cables as required For 10 100M ports use 2 pairs of twisted cables For Gigabit 1000T ports use 4 pairs of twisted cables If the RJ 45 connectors and cables are not correctly connected the link will fail and the green LNK LED will not light Faulty or Loosen Cables Visually inspect for loose or obviously faulty connections at all connectors and cables If that does not correct the problem try replacing the cable Non standard Cables Non standard and incorrectly wired cables may generate increased network collisions and other netw
33. dministrator remote monitoring switch events history How to By providing system administrator three options sending system log to switch itself at client end or to server end or both ends users can configure the monitoring type in System Log Configuration folder first then go to Event Configuration folder to select events to be monitored 3 38 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual System Log Configuration Event Configuration 1 Jan 1 08 47 33 System Log Enable System Log Configuration System Log Mode Client Only The switch only displays log data in system log screen Server Only The switch only transfers log data to log server Both Enable both Client and Server functions System Log Server IP Input the IP address of Log Server System Log Screen Format Index Date Time Events Reload Click Reload button to update the system log file Clear Click Clear button to clean up the System Log Screen Event Configuration Click Event Configuration folder to select events to be monitored in oystem Log Apply Click Apply button to confirm the event selection Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 39 system Log System Log Configuration Event Contiguration System event selection Device cold start Power status SNMP Authenticatian Failure Super ring topology change Port event selection Link Up amp Link Down
34. e Ring Ports The p Ring Port is connected back to R M So that the path between R M and Switch 4 is Backup path Blocked Note Before you connect a backup path to complete the loop you need to finish configuring the settings described above on all ring switches Otherwise it will cause an immediate message loop Can 3 Switches Form a Super Ring Topology MASTER b Switch use port 3 and EN port 4 to build super ring Switch 3 use port and port to build super ring Backup Path Blocked Switch 2 use port 3 and port 4 to build super ring Here we use 3 JetNet 4508 Industrial Ethernet Switches to form a Super Ring topology Switch 1 is configured to be the Ring Master and the backup path will be decided by this Ring Master In this example the path on the right is the backup path Enable Super Ring 1st Ring Port Port 3 v 2nd Ring Port Port O4 v This switch is Ring Master The settings of Switch 1 Ring Master Click the R M DIP to ON The web UI will show The switch is Ring Master Port 3 and Port 4 are the Ring Ports 3 22 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Enable Super Ring 1st Ring Port Port4 v 2nd Ring Port PortOB ze The settings of Switch 2 The Port 1 and Port 8 are the Ring Ports The 2 ports of non R M are forwarding ports Enable Super Ring 1st Ring Port Portoa 2nd Ring Port Port 4 ze The set
35. ember to click on the Save Configuration button to save your settings Otherwise the settings you made will be lost when the JetNet is powered off Factory Default Factory Default Please click Default button to restore factory default setting Default In this section you can reset the JetNets to the default settings as shown below Default IP address 192 168 10 1 Default Gateway 192 168 10 254 Subnet Mask 255 255 255 0 Other switch settings will be set to disable or none Click on Default to reset your JetNets to the default settings Note This provides a quick method for clearing the JetNet s internal settings However it will not restore the IP address to the default settings If you want to restore all the settings to their default state including the IP address please use the reset button on the front panel of your JetNet 3 30 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual refer to the Reset Button section System Reboot System Reboot Please click Reboot button to restart switch device Reboot System Reboot allows you to reset JetNets software Click on Reboot to reboot your JetNets Note Remember to click on the Save Configuration button to save your settings Otherwise the settings you made will be gone when the JetNet is powered off Save Configuration Save Configuration Save Flash Help Save Configuration allows you to save an
36. ess of switching the backup route from one switch to another is transparent to the user Active link emm DI Figure Dual Homing The Top two Managed Switches using RSTP protocol the bottom two Rings using Super Ring protocol enable dual homing feature in switch A B to provide network redundancy by connecting with one Managed Switches Super Ring Enable Super Ring ist Ring Port Porto1 ze 2nd Ring Port Poto w Enable Couple Ring Coupling Port Port 03 e Control Port Port 04 v e Dart na v Enable Dual Homing Port 08 Enable Dual Homing Enable Disable Enable Dual homing function E Dual Homing Port Select port connected to uplink Managed Switch as Active link or Hot standby link Note To make dual homing redundant links effective users have to enable and assign dual homing port for Switch A Switch B accordingly Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 25 QoS QoS Quality of Service is a broad term that refers to measures taken to specify a guaranteed throughput level QoS with respect to this JetNet utilizes the prioritization of traffic to accomplish this This section allows you to configure the QoS settings for each port with regard to setting priorities QoS Policy Use an 8 4 2 1 weighted fair queuing scheme Use a strict priority scheme Portbased w ka Portbased v sl Portbased we Portbased Portbased v vr Portbased
37. et s assume port 1 is 10 Mbps you can set its effective egress rate to be 1 Mbps and ingress rate to be 500 Kbps The JetNet uses the packet counter to control the number of packets coming in so that the configured ingress rate can be achieved Ingress Select the port effective ingress rate The valid values are 128K 256K 512K 1MB 2MB 4MB and 8MB bps The default value is Broadcast Only and 8Mbps Egress for All Select the port effective egress rate The valid values are 128kbps 256Kbps 512Kbps 1MB 2MB 4MB and 8MB The default value is disable Click on Apply to apply the configuration Note Remember to click on the Save Configuration button to save your settings Otherwise the settings you made will be lost when the JetNet is powered off Note V2 01 and later versions fixed the problem of the QoS and Rate Control settings cannot exist at the same time 3 32 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Configuring SNMP Simple Network Management Protocol SNMP is a protocol used for exchanging management information between network devices SNMP is a member of the TCP IP protocol suite JetNet 4500 series supports SNMP v1 and v2c The next figure illustrates an SNMP management operation MANAGER Managed Device Managed Device Managed Device An SNMP managed network consists of two main components agents and a manager An agent is a management software
38. his terminal block into its socket Wiring the Ethernet Ports JetNet 4500 Series Industrial Ethernet Switch includes six RJ 45 ports with automatic MDI MDI X crossover and automatic 10 100Mbps data rate sensing for 10Base T or 100Base TX connections Automatic MDI MDI X crossover allows you to connect to other switches hubs or workstations without regard to using straight through or crossover cabling The following figures depict the schematic diagram of straight through and crossover cabling Note that crossover cables simply cross connect the transmit lines at each end to the receive lines at the opposite end switch Router or PC Switch switch 3 TD4 3 KD 3 TD 2 TD 6 TD 6 RD 6 TD 6 TD RDH RD RD 4 1 TD 2 RD 2 RD 2 RD 4 2 TD Straight through Cabling Schematic Cross over Cabling Schematic Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 2 5 Note that Ethernet cables use pins 1 2 3 and 6 of an 8 pin RJ45 connector The signals of these pins are converted by the automatic MDI X function as shown in the table below Pin MDI X Signals MDI lt Connect one side of an Ethernet cable into any switch port and connect the other side to your attached device The green LNK LED will light up when the cable is correctly connected Refer to the LED Indicators section for descriptions of each LED indicator Always make sure that the cables be
39. ize from 64 to 1522Bytes SNMP v1 v2c and Web browser RFC 1213 MIBII RFC 1493 Bridge MIB RMON RFC 1757 RFC 2674 VLAN MIB RFC 1643 Ethernet like MIB RFC1215 Trap MIB IGMP MIB Korenix Private MIB Support 3 trap stations Provides 1000 system entries for system or remote log server Meets IEEE802 1p class of service per port provides 4 priority queues Rules of Quality of Service determined by port Tag and IPv4 Type of Service Support ingress and egress packet filtering by different types of packet format combination The IGMP function compliance with IGMP v1 and v2c and supports IGMP snooping with Query mode Maximum IGMP groups up to 256 Provides DHCP Client function to obtain IP address from DHCP server Support Simple Network Time Protocol SNTP to synchronize time from internet TFTP firmware upgrade Port Based VLAN Tag VLAN VLAN ID to 4094 Port Mirror Packet filter DIP Switch Relay Alarm Network Redundancy Super Ring Coupling Ring Dual Homing Spanning Tree Interface Number of Ports Connectors Cables Diagnostic LED Power Requirements System Power Power Consumption Mechanical 64 VLAN groups in maximum Support TX only both of TX and RX packets 4 types of packet filter rule with different packet combination by all packets Broadcast multicast unknown unicast packet broadcast multicast packet or broadcast packet only JetNet4508 1 x 6 pin DIP Switch DIP switch 1 5 Po
40. lves as being interested in receiving the originating computers data Multicasting is useful for such applications as updating the address books of mobile computer users in the field sending out newsletters to a distribution list and broadcasting streaming media to an audience that has tuned into the event by setting up multicast group membership In effect IGMP manages multicast traffic by making use of switches routers and hosts that support IGMP Enabling IGMP allows the ports to detect IGMP queries report packets and manage multicast traffic through the switch IGMP has three fundamental types of messages as shown below Message Description A message sent from the querier an IGMP router or a switch which asks for a response from each host that belongs to the multicast group Note You can only configure 1 Query in your IGMP network the system doesn t support multiple Query selection Report A message sent by a host to the querier to indicate that the host wants to be or is a member of a given group indicated in the report message Leave A message sent by a host to the querier to indicate that the host has quit as a Group member of a specific multicast group You can enable IGMP protocol and IGMP Query functions here You will see the information of the IGMP Snooping function in this section including different multicast groups VID and member ports and IP multicast addresses that range from 224 0 0 0 to 239 255 255 255 O
41. m LAN segment This function allows the P2P status of the link to be manipulated administratively True means P2P is enabled while False means P2P is disabled Admin Edge A port directly connected to the end stations cannot create a bridging loop in the network To configure this port as an edge port set the port to the True state Admin Non STP Status shown here indicates whether this port includes the STP mathematic calculation True means that this port does NOT include the STP mathematic calculation False means that this port includes the STP mathematic calculation Once you finish your configuration click Apply to save your settings Note Always remember to select Save Configuration to save your settings Otherwise your new settings will be lost when the switch is powered off Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 19 Network Redundancy Super Ring Super Ring technology provides a faster redundant media fail over recovery than the Spanning Tree Protocol STP or Rapid Spanning Tree Protocol RSTP But unlike STP RSTP it additionally requires that all switches in the media ring be of the same brand have the same redundant ring method as most redundant ring algorithms are proprietary and rarely interoperable Since STP and RSTP are standard IEEE protocols switches that employ these two methods of media redundancy are generally interoperable with one another With Super Ring e
42. n deterministic carrier sensing CSMA CD is eliminated The utilization of a store and forward switching algorithm allows each packet to be inspected and corrupt or redundant data to be filtered further eliminating unnecessary traffic that often slows a network down Product Features Korenix JetNet 4500 Series products have the following features Supports Redundant Ethernet Super Ring Ring Coupling and Dual Homing Supports SNMP v1 v2c RMON 1 1 2 3 9 groups Supports IGMP with Query mode for media multicast application Supports 802 1Q Tagged and Port VLAN Supports email warning via Simple Mail Transfer Protocol Supports QoS Provides web based reconfiguration with easy to use GUI Provides redundant DC Power Inputs Supports Alarm Relay to signal port break and or power failure 8 10 100TX ports for JetNet 4508 Provides fiber link ability 6 10 100TX ports and 2 100FX port s for JetNet 4508f Supports IEEE 802 3 10Base T 802 3u 100Base TX 100Base FX 1Mbits embedded buffer memory with 2K entry MAC address table RJ 45 ports support auto MDI MDI X function Store and Forward switching architecture IEEE 802 3x flow control supported gt Flow control on full duplex mode gt Back pressure on half duplex mode Supports broadcast packet filtering Supports SNTP Provides reverse polarity protection Robust Aluminum case IP30 standard DIN Rail Wall mounting Desktop Installation 1 4 Korenix JetNet 4500 Series Industrial Managed
43. nce you finish configuring the settings click on Apply to apply your configuration Security Manager Security Manager User Name admin New Password eeeee Confirm Password TTT Apply You can change the user name and the password here for increased security User name You can key in the new user name here The default setting is admin Password You can key in the new password here The default setting is admin Confirm Password You need to type the new password again to confirm it Once you finish configuring the settings click on Apply to apply your configuration Configuration Backup In Configuration Backup section you can restore the backup configuration into the JetNet You also can backup the configuration to the TFTP server as well 3 28 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual TFTP Restore Configuration IN ir Configuration Backup TFTP Restore Configuration TFTP Backup Confiquration fi 92 168 10 66 data dat Apply Help You can restore the configuration saved in the flash from the TFTP server Before you can do that you must place the backup configuration file in the TFTP server and then the switch will download the file back to the flash TFTP Server IP Address You need to key in the IP address of your TFTP Server here Restore File Name You need to specify the correct restore file name here Once you finish configuring the
44. nection is successfully established State Indicates whether this port is Enabled or Disabled A disconnection is also denoted as 3 4 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Disabled Negotiation Auto means that the switch will auto negotiate the speed automatically select 10M or 100M bps and the transmission mode full or half duplex with the remote device Force means that the switch will run according to your own forced settings for speed and duplex Speed Duplex Indicates the port speed Config column shows the configuration set up by users The Actual column shows the actual speed of the port Flow Control Configured and Actual Symmetric specifies that you need to activate the flow control function of the remote network device in order to let the flow control of that corresponding port of the switch to work Asymmetric indicates that you don t need to activate the flow control function of the remote network device The flow control of that corresponding port on the switch will work anyway Single Port Status To get the single port status screen you can click directly on any port number displayed at left to see port specific information for that port and similar to that listed below http 193 168 SUIT ST Port Statistics Port Statistics eue a ea ead leat pomerao Ue Een 2237 _o_ 2108 1 0 I Port 02 100Tx Down Enable o o EXON a oe POE ZE EE UN Z
45. ng Redundant ports Coupling port and Coupling Control port must all be assigned to different ports Super Ring Enable Super Ring ist Ring Port Port 01 2nd Ring Port Port 02 Enable Couple Ring Coupling Port Port 03 v Control Port Port 04 v Enable Dual Homing Portoa ze Enable Couple Ring Enable Disable Select the JetNet as Coupler Coupling Ports Coupling Port Select any port of JetNet to be Port 3 is enabled for Couple the Coupling Port Ring Control Port Select any port of JetNet to be Port 4 is enabled for Couple the Control Port Network Redundancy Dual Homing Dual Homing provides an advanced redundancy network solution by connecting switches running in different redundant protocols e g IEEE 802 1w Rapid Spanning Tree Protocol and Super Ring to extend the network redundant coverage Technology Overview Redundancy is achieved by connecting two ports from two separate switches using Super Ring protocol with two ports of Managed Switches using RSTP protocol please see connection in Figure DualHoming An active link where data is transmitted is connected with one port in the switch The other port connected with another switch is a hot standby link Constantly monitoring the hot standby link and will switch over in seconds once the active link is disconnected or breaks 3 24 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual The proc
46. nge the figures of the web page Modify the Rate Control values and change the figures of the web page Modify Change the SNMP configuration web page Update new product spec in Appendix B
47. nt the unit to a wall or other flat surface 1 Use a screwdriver to remove the two screws that secure the DIN Hal clip to the back of the Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 2 7 switch 2 Use a screwdriver to attach the wall mounting plate to the rear panel of the switch using the six screws provided Tighten these screws to secure the switch to the wall mounting plate 3 Use the slotted holes at each corner of the wall mounting plate to attach the unit to the wall or other flat surface 4 Toremove the unit from the wall and from the wall mounting plate reverse steps 1 3 2 8 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual 3 Web based Management This chapter includes information about how to configure and manage your JetNet 4500 Series Industrial Managed Ethernet Switch via a web based interface The following topics are covered in this chapter B Introduction B Preparation for Web Management B System Login B Configuration via the Web based Management Interface gt Menu Bar Introduction gt Configuring Your JetNet 4500 Series Industrial Managed Ethernet Switch Introduction Embedded HTML web pages are stored in non volatile memory within JetNet 4500 Series Industrial Ethernet Switch These pages allow you to use a standard web browser such as Microsoft Internet Explorer or Mozila to configure and interrogate the switch from anywhere on
48. o configure the Hello Time Forwarding Delay and Max Age parameters 2 x Forward Delay Time 1 sec O Max Age Time 2 x Hello Time value 1 sec Suggested Strategy 3 18 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual 1 Select a Hello Time value and compute the rightmost portion of the rule above to get the lower limit of Max Age 2 Select a Forward Delay time and compute the leftmost portion of the rule above to get the upper limit of Max Age 3 Select a Max Age from 6 to 40 seconds that is between the limits computed above Per Port Configuration System Configuration Per Port Configuration priority must be a n ERN of pen Apply Help RSTP Port Status Select the port you wish to configure and you will be able to view the current settings and status of the port Path Cost Enter a number between 1 and 200 000 000 This value represents the cost of the path to the other bridge from this transmitting bridge at the specified port Priority Enter a value between 0 and 240 using multiples of 16 This is the value that decides which port should be blocked by priority in a LAN Admin P2P Some of the rapid state transitions that are possible within RSTP depend upon whether the port of concern can only be connected to one other bridge i e it is served by a point to point LAN segment or if it can be connected to two or more bridges i e it is served by a shared mediu
49. ol applications JetNet 4500 Series Industrial Ethernet Switch uses a store and forward algorithm to process Ethernet frames That is it first stores the Ethernet frame and examines it for errors before forwarding it to its destination Although this method may seem to increase the forwarding time latency and possibly cause fragmentation it effectively reduces the occurrence of error frames and improves overall throughput This is particularly useful when there is heavy network traffic and or greater potential for noise and interference Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 1 3 The industry wide shift from Ethernet hubs to Ethernet switches has dramatically boosted the bandwidth of networks and helped to eliminate congestion problems inherent with the CSMA CD protocol Carrier Sense Multiple Access with Collision Detection Since a switch operates by learning the location of addresses and forwarding messages directly unnecessary traffic is greatly reduced It will use auto negotiation to regulate the speed and duplex of each port based on the capabilities of connected devices These features combine with flow control allow a 100M node to effectively communicate with a 10M node without losing data Connecting one device per switch port also allows two way simultaneous transmission to occur full duplex essentially doubling the bandwidth Further by segmenting a collision domain in this way the need for no
50. ority is 6 or 7 The default is 6 CoS Queue Mapping This is to map the CoS value to the physical queue The switch supports 4 physical queues So that you should map the CoS value to the physical queues when you want use this CoS feature The physical queue include High Middle Low and Lowest 3 26 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual The 802 1p suggests you to use CoS value 0 and 3 to Low 1 and 2 to Lowest 4 and 5 to Middle 6 and 7 to High cos ToS Queue Mapping TOS is also known as DSCP This is the field in the IP TOS packet If the L3 switch or Router use this field as the QoS service Then the L2 switches attached to the network should have the same policy as the L3 switch or Router This table allows you to configure the queue level for each DSCP value TOS Lowest ones di be stw Lowest v Lowest w Lowest v Lowest ig e M ck v Wes ka Lowest Lowest IGMP Snooping IP Address VLAN ID Member Port 235 080 068 083 IGMP Protocol Enable DI IGMP Query Enable DI Apply The IGMP Internet Group Management Protocol is an Internet Protocol that provides a way for an internet device to report its multicast group membership to adjacent routers Multicasting allows one computer on the internet to send data to a multitude of other computers that have Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 27 identified themse
51. ork problems which will impair network performance A category 5 cable tester is a recommended tool for every 100Base T network installation Improper Network Design Verify that your network has been properly designed Most errors simply result from poor quality cable poor cable routing network congestion improper cable length and too many repeater hubs between end nodes Errors may also result from inadvertent data path loops redundant message paths Message loops can generate broadcast storms that can bog down a network There should be only one active message path between any two nodes on a network Excessive collisions may be indicative of a cable that is too long It may also signal the presence of too many repeaters hubs between devices and can also be indicative of a congested network too many nodes in one segment A high number of undersized and fragmented packets can result from interference induced into the network cable by either passing it too close to noisy devices or because of problems with the network devices themselves In these instances check for improper cabling damaged cables or cables routed too closely to noisy equipment or other wiring A high number of oversized packets can result from a bad transceiver excessive cable noise or 4 2 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual from a speed mismatch between the switch ports and the connected devices LED Indicators
52. pean Sieg eus MEWT Middle European H Winter SWT Swedish Winter EET Eastern European USSR 2 hours 2pm Zone 1 ZP4 USSR Zone 3 4 hours WAST West Australian Standard hours 7pm CCT China Coast USSR Zone 7 8 hours 8 pm JST Japan Standard USSR Zone 8 pm EAST East Australian Standard GST 10 hours 10 pm Guam Standard USSR Zone 9 IDLE International Date Line NZST New Zealand Standard 12 hours Midnight NZT New Zealand 9 hours 9 SNTP Server IP You can set the IP address of the SNTP server here Switch Timer The current time of the JetNet will be shown here Once you finish your configuration click on Apply to apply your configuration 3 16 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual IP Security IP Security In IP Security section you can set up to 10 specific IP addresses to grant authorization for management access to this JetNet via a web browser Enable IP Security Check this option to enable the IP security function Note You must type the Security IP before enabled the IP Security feature Otherwise there will no any IP address can access the device Security IP 1 to 10 You can assign up to 10 specific IP addresses Only these 10 IP addresses can access and manage this JetNet via a web browser Once you finish your configuration click on Apply to apply your configuration Network Redundancy RSTP STP em HIN d
53. rial Managed Ethernet Rail Switch User s Manual Installation Case Dimension Environmental Operating Temperature Operating Humidity Storage Temperature Storage Humidity Regulatory Approvals EMI EMC Immunity Interface Safety Shock Vibration Free Fall MTBF Warranty FAQs DIN Rail mount or Wall Mount IP 31 grade aluminum metal case 135mm H x 53mm W x 105mm D without DIN rail clip 10 C 70 C 5 95 non condensing 40 C 85 C 5 90 non condensing FCC Class A CE EN55022 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 EN61000 4 11 CE EN60950 IEC60068 2 27 IEC60068 2 6 IEC60068 2 32 JetNet4508 319 175 Hours MIL HDBK 217F GB MILITARY HANDBOOK standard Global 5 years Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual B 3 C Revision History Edition 1st 2nd gid Date Oct 2005 Dec 2005 Jan 2007 Modifications Changed the figure in Super Ring section Add Ring Coupling Dual Homing Power Inputs Alarm section Modify The Switch Setting web page is changed Modify The default username password is admin Modify The UI and available selection items are changed in V2 01 firmware The manual updated the description as well Modify Max available security IP is 10 Modify Super Ring configuration method and change the figures of the Super Ring web pages Modify Modify the QoS configuration method and cha
54. rt Link Down Alarm Enable On Disable Off DIP switch 6 Ring Master Enable On Disable Off Dry Relay output with 1A 24V ability Recovery time less than 300ms and compatible with JetNet3500 JetNet4000 and JetNet5010G Provides the ability to couple 2 super rings Provides the ability to link Super ring and RSTP with higher level switch IEEE802 1d Spanning Tree IEEE802 1w Rapid Spanning Tree JetNet4508 8 x 10 100Base TX with Auto MDI MDI X Auto Negotiation functions JetNet4508f 6 x 10 100Base TX with Auto MDI MDI X Auto Negotiation functions 2 x 100Base FX 10 100TX 8 x RJ 45 JetNet 4508 10 100TX 6 x RJ 45 100Base FX 2 x SC connectors for Multi mode or single mode fiber JetNet 4508f Terminal Block 6 pin for 2 x power input and 1 relay alarm output DC power Jack x 1 CAT 3 CAT 4 CAT 5 unshielded twisted pair or shielded twisted pair cable The Link distance is 100 meters in maximum Fiber 50 125um or 62 5 125 multi mode fiber 2KM JetNet4508f m 8 125um or 9 125um single mode fiber 30KM JetNet4508 s Per system Power green x3 Ring Master green x1 Alarm red x1 Per RJ 45 Fiber port Link green on Activity green flashing Full duplex Yellow on Collision Yellow blinking 2 power input by terminal block with redundancy Input Voltage DC 24V 12 48V with reverse polarity protection JetNet4508 4 1 Watts DC 24V JetNet4508f 6 7 Watts DC 24V B 2 Korenix JetNet 4500 Series Indust
55. rt is transmitting to or receiving packets JetNet 4508f from another transmitting device Off No device is attached The port is operating in full duplex mode FDX COL of Port 7 Blinks A collision of packets has occurred JetNet 4508f Of The port is in half duplex mode or no device is attached Green A network device is detected JetNet 4508f the TX device JetNet 4508f um NE The port is in half duplex mode or no device is Off attached Orange The port is operating in full duplex mode Md A collision of packets has occurred orange The port is in half duplex mode or no device is Port Status attached A network device is detected Blinking This port is transmitting to or receiving packets green from another transmitting device Off No device is attached Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 2 3 DIP Switch The DIP switches are used to configure which JetNet in a Super Ring to be a master switch Ring Master and to separately enable the port alarms Set this switch to be the Ring Master Set this switch NOT to be the Ring Master P1 to P8 JetNet 4508f To enable port break alarm at this port To disable port break alarm at this port notes DIP Switches If the corresponding port alarm DIP switch is set ON when that port connection fails the Fault LED will light up and the alarm relay contacts will close 2 After you set a switch to be the Ring
56. s to communicate with one another mmy mu VLAN Configuration VLAN Operation Mode 802 10 DI Ka nm Wm MAND 2 Port 01 Untag DI Port 02 Untag DI Apply 5 Here you can specify the egress outgoing VLAN frames to be Tagged frames or Untagged frames And click on Apply to apply the settings Tag Indicates that egress outgoing frames are to be VLAN tagged Untag Indicates that egress outgoing frames are not VLAN tagged Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 11 Port VID VLAN Configuration VLAN Operation Mode 802 10 DI D a c Port VLAN ID Port 1 4 Port 02 KT Port 03 Port 04 sl Apply Default Help Port VLAN ID PVID Enter the port VLAN ID here The Port VID PVID allows the switches to identify which port belongs to which VLAN To keep things simple it is recommended that you set the Port VID equivalent to the VLAN IDs You can skip tagged ports as tagged ports do not need Port VLAN IDs To reset to the default values click on Default Once you finish your configuration click on Apply to apply your settings Note Always remember to select Save Configuration to save your settings Otherwise the settings you made will be lost when the switch is powered off How To Set Up a 802 1q VLAN Reference Example Se Group A To illustrate a tag based VLAN we would like to use all Port 1 s and Port 2
57. settings click on Apply to apply your configuration TFTP Backup Configuration Ee c a a am Kee Manager Configuration Backup TFTP Update Firmware Fecory Default save Configuration evstamabost Rate comma Configuration Backup TFTP Restore Configuration TFTP Backup Configuration fi 92 168 10 66 data dat Apply Help You can save the current flash ROM value from the JetNet to the TFTP server This will allow you to later go to the TFTP Restore Configuration page to restore the image value back to the JetNet TFTP Server IP Address You need to key in the IP address of your TFTP Server here Backup File Name You need to specify the correct backup file name here Once you finish configuring the settings click on Apply to apply your configuration Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 29 TFTP Update Firmware korenix TFTP Update Firmware fi 92 168 10 66 Apply Help In this section you can update the latest firmware for your JetNet 4500 Industrial Ethernet Switches Before you do so make sure that you have your TFTP server ready and the firmware image is already installed on the TFTP server TFTP Server IP Address Type in the IP address of your TFTP server here Firmware File Name Type in the file name of the firmware image Once you finish configuring the settings click on Apply to apply your configuration Note Rem
58. tNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Event Configuration Event Configuration System event selection Device cold start Power status Authentication Fialure Super ring topology change Fort event selection Event Types Event Types can be divided into two basic groups System Events and Port Events System Events are related to the overall function of the switch whereas Port Events and related to the activity of a specific ports Power Status One of redundant power PWR1 or PWR2 fails Authentication failure Super Ring topology changes If Master of Super Ring has changed or backup path is activated Port Event Warning Email is sent when The port is connected to another device Link off The port is disconnected e g the cable is pulled out or the opposing devices turns down Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 37 Power Inputs Alarm Configuration Alert Email Alert Configuration Event Configuration Power Alarm Configuration Powerl Power Apply Click the Power Alarm Configuration folder Fem Debo ooo Check Power 1 box to enable Power fault alarm contact Switch s fault alarm contacts will close if PWR1 is off or PWR1 fails Check Power 2 box to enable Power fault alarm contact Switch s fault alarm contacts will close if PWR2 is off or PWR2 fails System Log System Log is useful to provide system a
59. the network The internal web based management interface supports Internet Explorer 5 0 and Mozila 1 7 5 including the FireFox version These easy to use management screens are based on Java applets to minimize the consumption of network bandwidth and increase your access speed Note IE 5 0 or later versions do not allow Java applets to open sockets by default Users have to directly modify the browser settings to selectively enable Java applets to use network ports Preparation for Management Before you attempt to use the embedded web interface to manage switch operation verify that your JetNet 4500 Series Industrial Ethernet Switch is properly installed on your network and that every PC on this network can access the switch via the web browser 1 Verify that your network interface card NIC is operational and that your operating system supports the TCP IP protocol Wire DC power to the switch and connect your switch to your computer Make sure that the switch default IP address is 192 168 10 1 Change your computer IP address to 192 168 10 2 OF um re Switch to DOS command mode and ping 192 168 10 1 to verify a normal response time System Login 1 Launch the Internet Explorer on the PC Type http and the IP address of the JetNet And then press Enter The login screen will appear next Key in the user name and the password The default user name and the password is admin SH mc ES Je Click on Enter or OK and then
60. thernet Switch has also passed CE FCC UL safety certifications to help ensure safe and reliable data transmission for industrial applications JetNet 4500 Series will be your best option for highly managed and industrial network JetNet 4500 series comes with an advanced redundant network solution Ring Coupling and Dual Homing technology to assure non stop system operation Korenix Super Ring technology provides network redundancy that can self recover in less than 300ms at full load With Ring Coupling technology Ethernet Ring can be extended the attached switches in double The Dual homing technology provides an enhanced redundant ability to connect JetNet 4500 Super Ring topology with other managed switches using Rapid Spanning Tree Protocol Ethernet Switching Technology To better understand the operation of an Ethernet switch we need to first differentiate it from a hub An Ethernet hub or repeater is a device that is used to simply connect Ethernet nodes Any message at one hub port is repeated on all ports That is hubs forward data packets they receive from a single station to all hub ports As a result all port devices connected to a single hub will share the same bandwidth Then as nodes are added to the network hub they compete for this finite amount of bandwidth and this can cause data collisions to occur making network determinism impossible to attain especially on busy networks Now determinism is a term that is used to descri
61. tings of Switch 3 The Port 3 and Port 4 are the Ring Ports The ane Ring Port is connected back to R M So that the path between R M and Switch 3 is Backup path Blocked Note Before you connect the backup path last loop segment you need to finish configuring the settings described above on all ring switches Otherwise it will cause an immediate message loop Network Redundancy Ring Coupling Ring coupling technology is implemented to extend the Super Ring installed switches coverage Switch B Coupler Switch D Coupler Main path Coupling Part Control Port Control Port Backup path Coupling Port Switch A Coupler Switch C Coupler How to configure Ring Coupling As above diagram shown assign A B C D as Coupler switches first then configure both Coupling Port and Control Port for each of four Coupler switches respectively Set Coupling Port to connect Switch B and Switch D as Main path Set Coupling Port to connect Switch A and Switch C as Backup path Set Control Port to connect Switch A and Switch B as Control Port path Set Control Port to connect Switch C and Switch D as Control Port path Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 23 Coupling Port is responsible for data backup path recovery between two separate redundant Rings and Control Port is for communicating control signal between Coupler switches Note The Super Ri
62. tion is to enable and configure Super Ring Ring Coupling amp Dual homing settings QoS This section is to enable and configure QoS Quality of service settings IGMP This section is to enable and configure the JetNet s IGMP Snooping function Security Manager This section is to change the username and the password Configuration Backup This section is to backup the JetNet s settings to a file on your PC TFTP Update Firmware This section is to use TFTP utility to update the latest firmware to the JetNet Factory Default This section is to restore the factory default settings Save Configuration This section is to save the JetNet s settings System Reboot This section is to reboot the JetNet Rate Control This section is to set up each port s bandwidth rate and packet limitation type Alert This section is to set up email warning event trap and power inputs failure alarm SNMP This section is to set up SNMP configuration System Log This section is to set up System Log Configuring JetNet 4500 Series Industrial Ethernet Switch Port Status Part Status mmm pe mem eem si eem ai Port i 100TX 100 Ful 100 Full Port d2 100TX 100 Full Port 03 100TX 100 Full In this window you can see each port s status Port Indicates the port number Type Indicates the speed mode of the port For example 100TX means 100 Mbps Link Down Indicates that connection is not established Up indicates that the con
63. transformer type Power Input 12 48VDC GA V1 vi4 v2 V24 Heset Button The Reset button provides users with a quick and easy way to restart JetNet 4500 Series Industrial Ethernet Switch and restore the default settings To restart press the Reset button for 2 seconds and release To restore the default settings press the button for 5 seconds and release Note that you must always restart a switch after setting its Ring Master DIP switch in order to activate the new DIP switch setting or the redundant ring will not operate LED Indicators There are 9 diagnostic LEDs and 12 Port LEDs on JetNet 4508 Industrial Ethernet Switch These LED indicators provide administrators with real time system status The following table describes the function of each LED indicator 2 2 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual Hardware Installation m Any Power is ON PWR1 PWR2 or DC IN Off No power is being supplied Terminal Block PWR1 Power is ON PWR 1 Off No power is being supplied Terminal Block PWR2 Power is ON PWR 2 Off No power is being supplied UM Indicates this switch is designated as the redundant Ring Master Indicates that this JetNet is NOT the master of Off l the Super Ring mn 0 mL Power RJ45 or fiber port failure has occurred Off Normal operation no power or port failure Port LED Description Green A network device is detected LNK ACT of Port 7 Blinks This po
64. tween the switches and attached devices e g switch hub or workstation are less than 100 meters 328 feet Two switches are now up linked together If we change the up link port manually at this time the MAC address table will change as well After the MAC address table changes then the data can be transmitted between these two switches This period of time is called the MAC address table aging time The switch s default aging time is 5 minutes which means that if you manually change the up link port you will need to wait up to 5 minutes before the data can be sent If the aging time is too short the MAC address table will constantly refresh resulting in excess consumption of switch computing resources For this reason a longer aging time is recommended Wiring the Fiber Ports The automatic MDI MDI X crossover function does not apply to fiber connections as these must be crossed over manually To connect the fiber port on one switch to the fiber port of another switch simply cross connect the transmit channel at each end to the receive channel at the opposite end as illustrated in the figure below SC Connector Cable Wiring SC to SC Tx A A RX BN B B TX JetNet 4500 Series fiber models have two 100Base FX ports with SC type connectors in multi mode and single mode versions Single mode types have greater distance capability than multi mode types but single mode cable is generally more expensive
65. very switch in the ring must support the same redundant ring method and have two ring member ports One switch in this ring is dedicated to serve as Ring Master and one of its two member ports will be temporarily blocked this is referred to as the backup port The other member port is called the working port The other switches in the ring are called working switches and both their member ports are called working ports When a segment of this ring fails the backup port path will automatically become a working port path to recover the failure Super Ring Enable Super Ring 1st Ring Port 2nd Ring Port Enable Couple Ring Coupling Port Control Port Enable Dual Homing Fotoi we Enable Super Ring You can enable the Super Ring function by checking this option Note You must enable the Super Ring function before connecting any backup path to prevent the inadvertent generation of message loops 1 and 2 Ring Ports You can assign 2 ports as member ports here 1 Ring Port will be the working port and the 2 Ring Port will be the backup port Once you finish configuring the settings click on Apply to apply the configuration Note When you enable the Super Ring function you must disable RSTP The Super Ring function and the RSTP function cannot be both enabled at the same time 3 20 Korenix JetNet 4500 Series Industrial Managed Ethernet Rail Switch User s Manual How to Set Up a Super Ring MASTER in Switch l use port
66. y configuration you just made to the flash memory Powering off the JetNets without clicking on Save Configuration will cause the new settings to be lost After selecting Save Configuration click on Save Flash to save your new configuration Korenix JetNet Series Industrial Managed Ethernet Rail Switch User s Manual 3 31 Rate Control T1 Breadeast any w DIEN vlt Disable ow OrLO2 pidas oniy vi Duren v Disable wi DER Broadcast onts wlaunps w Disable oe Beet Da Prosdcas op w Uys w Diae ow Bot 5 Fi ET EN gl bisse Mj ANE Brcadcast ont I BLhbps Dr ablg w IF De cas pnis vl ses Disatia p LOB Ge onis ag Deg el misina Rate limiting is a form of flow control that is used to enforce a strict bandwidth limit at a port You can program separate transmit egress and receive ingress rate limits at each port and even apply the limit to certain packet types as described below Limit packet type You can select the packet type that you want it to be filtered The packet types listed here include broadcast multicast unknown Unicast packet broadcast multicast packet and broadcast packet only The broadcast multicast unknown Unicast packet broadcast multicast packet and broadcast packets are only for ingress packets incoming packets The egress outgoing rate only supports ALL packet types Bandwidth Port 1 to Port 8 support port ingress incoming traffic and egress outgoing traffic rate control For example l

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