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1. external switching power supply with output SVDC 5A Stack Connectors For FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS series There is one 26 pin connector at rear panel for stacking up two hubs to expand network size The ID slide switch must be set at either 1 or 2 position Hardware Installation After selecting an appropriate location you are ready to connect it This section covers important rules fast Ethernet connections and how to connect the hub to end nodes another hub and power supply General Rules Before making any connections to the hub note the following rules All network connections to the hub must be made using Category 5 UTP or Type 1 STP cables Do not use similar looking Category 2 or 3 cables or flat satin telephone cords No more than 100 meters about 328 feet of cabling may be used between the hub and an end node no more than 5 meters 16 4 feet may be used between two sacks Each stack is composed up to 2 hubs max Under this limitation no more than 205 meters of cabling may be used between any two end nodes To expand your network you have three methods First you can connect the hub to another 100BASE TX Class II Fast Ethernet hub but not to more than one and not to any other kind of hub through Uplink port These two hubs can come from different suppliers Second you can connect the hub to another hub by stack connector The function of stack connector is def
2. 0 and COL100 Function A collision in Ethernet is when two end nodes transmit at the same time The indicator lights up whenever there is a collision between a directly attached end node and any other node Port s Link and Activity Color Green Label Link Act Function Each RJ45 station port on the hub is assigned one LED for monitoring port Good Link and data traffic The LED is normally OFF after the power on operation but will light up steadily to show Good Link when port is been connected The LED will flash rapidly to show data passing in and out the port Port s Speed Color Yellow Label 10 100M Function Each RJ45 station port on the hub is assigned one LED to indicate the running speed The LED is normally in state of Off after power on operation Tf the connection is running at 100Mbps the LED will keep On otherwise keep Off when it is at 10Mbps state Rear Panel On the rear panel there are AC power inlet power switch fans and stack connectors The following describes the function of each connector and switch FHU 0505TXDS FHU 0805TXDS Rear Panel FHU 1605TXDS Rear Panel Power Connector For FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS series DC Jack for AC Power Adapter The FHU 0505TXDS FHU 0805TXDS 5 8 port Dual Speed Hib is using AC power adapter with output 12VDC 1A DC Jack for DC output of External Switching Power Supply The FHU 1605TXDS 16 port Dual Speed Hub is using
3. FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS 5 8 16 Port SOHO 10 100Mbps Dual Speed Hub User s Manual Revision 1 0 Edition 1 01 Feb 1998 FCC Class A Appliance This equipment generates and uses radio frequency energy If it is not installed and used properly in strict accordance with the manufacturers instructions it may cause interference to radio and television reception It has been type tested and found to comply the specifications in sub part J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interferencein a residential installation There is no guarantee that interference will not occur in a particular installation If this equipment does cause 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 Re orient the receiving antenna Relocate the computing device with respect to the receiver Move the computer away from the deceiver Plug the computer into a different outlet so that computer and receiver are on different electrical circuits If necessary the user should consult the dealer or an experienced radio or television technician for additional suggestions The information in this manual is subject to change without notice All the brand names are registered trademarks of their respective companies Checklist Careful
4. IEEE802 3 10BASE T and IEEE802 3u 100BASE TX Network Media 100BASE TX UTP STP category 5 cable 10BASE T UTP STP category 3 or 5 cable Connector STP RJ 45 ports for 10 100M bps 1 RJ 45 connector for Up link port Stacking ports LED indicators System power and collision LEDs Individual port link activity and speed LEDs Dimension 120mm W x 220mm L x 44mm H Temperature Operating 0 to 50 Storage 20 to 70 Humidity Operating 10 to 90 RH Storage 5 to 90 RH Input Power Requirement FHU 0505TX DS FHU 0805TX DS 12VDC 1A AC power adapter FHU 1605TX DS external switching power supply with output 5V DC 5A Registrations FCC Part 15 Class A CE Installation Hardware Description FHU 0505TXDS FHU 0805TXDS SOHO 10 100Mbps Dual Speed Hub provide two different running speed 10Mbps and 100Mbps in the same hub and automatically distinguish the speed of incoming connection and group the same speed ports in a network segment i e each port has auto negotiation NWay function FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS series product can stack up to 2 hubs max Every hub is master When two hubs stack one of ID switch must set at 1 and the other set at 2 position Only the ID 1 hub s internal switching function can be enabled This section describes the important parts of the FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS SOHO 10 100Mbps Dual Speed Hub It presents front panel and rear pan
5. eadily If it does not check the cable and all connections Stacking two Hubs For FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS series Two hubs can be connected by an attached stack cable 26 pin flat ribbon cable 1 Connect one end to stack port of hub 2 Connect the other end to another stack port of another hub These two hubs are stacked Connecting the Hub to Another Hub by Uplink port You can connect the hub to another 100BASSE TX Class II Fast Ethernet hub using a twisted pair cable Never connect the hub to any other kind of hub or to more than one 100BASE TX Class II hub Make the connection as follows 1 Make sure Up link port on the hub is free 2 Plug one end of the cable into Uplink port on the hub 3 Plug the cable s other end into the available port except Up link port on the second hub Connecting the Hub to DC Power After making network connections as described in the preceding sections you are ready to plug the hub in and turn it on The hub can run on AC power with 100 240VAC 50 60Hz auto sensing Before plugging the hub in make sure the power cord 1 is long enough to reach an AC wall outlet of an approved type 2 has plugs that match both the hub s power inlet and the type of wall outlet you will use and 3 conforms to safety regulations in your area Troubleshooting Symptom Link indicator remains off Causes Workstation s network adapter cable or hub
6. el drawings of the product showing the LEDs connectors and switches Front panel The following figure shows the front panel of FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS SOHO 10 100Mbps Dual Speed Hub FHU 0505TXDS Front Panel FHU 0805TXDS Front Panel FHU 1605TXDS Front Panel All ports Transmit and Receive lines are crossed within the hub A 10 100BASE TX port must be internally cross wired to let you connect an end node using straight wired cabling For FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS Series A special RJ 45 connector is converted from the 1 port as Up link port The Up link port is used for connection another hub through an ordinary straigh wired twisted pair cable by running one end of straigh cable to Uplink port and the other end to another hub s station port On the front panel there are several LED indicators for monitoring the device itself and the network status At a quick glance of the front panel the user would be able to tell if the product is receiving power if it is monitoring another hub or concentrator or if a problem exists on the network The following describes the function of each LED indicator Power LED Color Green Lable PWR Function This LED light is located at the left side on the front panel It will light up ON to show that the product is receiving power Conversely no light OFF means the product is not receiving power Collision LED Color Red Label COL1
7. ined by manufacture therefore different vandor supplied hubs car not be connected togther Third Two stacks can connect together by using method one i e choosing one station port from the first stack and one Up link port from another stack and linking these two ports within 5 meters 16 4 feet length Connecting End Nodes LAN end nodes such as single user computers serveres bridges and routers must be connected to the 100BASE TX ports using straight wired high grade Category 5 unshielded or Type 1 shielded twisted pair cabling We recommend starting with the higher numbered ports when connecting Ethernet LAN and the new hub does not have an Uplink port or switch you will have to use Up link port on the hub for the connection We also recommend making sure the end node is turned off before plugging the cable in for the first time If the plug does not fit well and the nose s LAN board is loose forcible insertion can momentarily break an internal contact and damage the end node Followings are step by step instructions for connecting and end node to the hub using straight wired twisted pair cable 1 Select a port on the hub 2 Plug one end of the cable into the node s RJ 45 jack 3 Plug the cable s other end into the selected RJ 45 jack on the hub To test and end node connection connect the hub to power then turn the hub and the end node on The link indicator for the port should shine st
8. ional Ethernet using hubs and twisted pair cables is known as 10BASE T Traditional Ethernet works at a signaling speed of 10 Mbps that is ten megabits slightly more than a characters per second The BASE in 10BASE T stands for baseband a one bit at a time signaling method the T stands for twisted pai cable Fast Ethernet was developed to meet the demand for increased bandwidth in other word greater data carrying capacity A fast Ethernet hub works at 100Mbps ten times the speed of a 100BASE T hub The IEEE had defined several Fast Ethernet Standards The hub complies with the 100BASE TX standard 100 Mbps baseband signaling on twisted pair cables with signals crossing from the Transmit lines to the Receive lines somewhere between each pair of communction end noeds Fast Ethernet Hub Classes This series are Class II Fast Ethernet hub This means two things 1 The hubs will work with Fast Ethernet interface cards of one type only and 2 The hubs can be connected to another hub for the purpose of expanding the network Note A Class I hub will work with more than one type of Fast Ethernet interface card but cannot be connected to another hub 100BASE TX Fast Ethernet Cabling The twisted pair cables used for traditional Ethernet and Fast Ethernet all look the same on the outside Such cables however come in different grades and with different wire arrangement and can have different kinds of sheathing The kinds
9. ly unpack the package and check its contents against the checklist giben below Checklist of FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS 5 8 16 Port SOHO 10 100Mbps Dual Speed Hub 5 8 16 Port SOHO 10 100Mbps Dual Speed Hub User s manual Power Adapter Desktop stand Stack cable Please inform your supplier immediately for any wrong missing or damaged part if possible retain the carton including the original packing materials and use them against to repack the product in case there is a need to return it to us for repair Contents Introduction Ethernet Standards and Operating Speeds Fast Ethernet Hub Classes 100BASE TX Fast Ethernet Cabling 100BASE TX and 10BASE T Important Differences 100BASE TX Fast Ethernet Summary Features and Specification Specification Features Installation Hardware Description Front Panel Rear Panel Hardware Installation General Rules Connecting End Nodes Stacking two Hubs Connecting the hub to Another Hub by Uplink port Connecting the Hub to AC Power Troubleshooting Hub s RJ 45 Pin Assignments Introduction FHU 0505TXDS FHU 0805TXDS FHU 1605TXDS series are technically known as 10 100BASE TX Dual Speed Ethernet hubs and 100BASE TX Fast Ethernet hubs This Section describes what this means in practical terms Ethernet Standards and Operation Speeds Ethernet standards are defined by the Institute of Electrical and Electronics Engineers IEEE The standard for tradit
10. of cables that can be used with a 1VOBASE TX Class II Fast Ethernet hub are Category 5 unshielded twisted pair cable and Category 5 UTP Type 1 shielded twisted pair cable Type 1 STP 100BASE TX Fast Ethernet Summary Be sure to remember the following rules about a 100BASE TX Class II Fast Ethernet hub 1 All end nodes connected to the hub must have 100BASE TX Fast Ethernet interface cards 2 Only Category 5 UTP or Type 1 STP cables may be used to connect and nodes to the hub The cables must be straight wired 3 To expand a network built around one Fast Ethernet hub you can connect the hub to one and only one other 100BASE TX Class II hub Features and Specifications Features 1 Comply with the IEEE802 3 10Base T and IEEE802 3u 100Base TX Class II standard 2 TheSOHO 10 100M bps Dual Speed Hub series are FHU 0505TX DS 5 port dual speed Ethernet hub FHU 0805TX DS 8 port dual speed Ethernet hub FHU 1605TX DS 16 port dual speed Ethernet hub 3 FHU 0505TX DS FHU 0805T X DS 1605TX DS series are with internal switching function therefore there is no called master hub and slave hub When two hubs stacked only one switching function of a hub enabled and the others are disabled automatically 4 Atrear panel provide one stacking connector for stacking up to 2 units max 5 Compact size design on SOHO series 6 LED indicators array for simple diagnostics and management Specifications Standard
11. port is defective Solution The most common cause is a defective network adapter or cable connection Check the corresponding cable connections or the workstations network adapter for possible defects Verify that the correct cable type is being used Note that crossover cable is only required if you cascade hubs via RJ45 station ports i e an uplink port is not used Replace the defective cable or adapter Some network adapters link indicator needs to be initialized by software driver Therefore if no driver is pre loaded the hub s link indicator will remain off even the connection completed Hub s RJ 45 Pin Assignments Station Ports 18 Uplink Port Input Receive Data Output Transmit Data Output Transmit Data nput Receive Data Output Transmit Data nput Receive Data 45 78 Br EME 2 imputReceive Data Output Transmit Data 2 BE Pin 1 2 2 Schematics for both straight and crossover twisted pair cable are shown below Note that crossover cable is only required if you cascade hubs via the RJ 45 station ports i e the Uplink port is not used Straight Through Crossover Hub Adapter Hub Hub 1 IDR 1 OTD 1 IRD 1 IRD 2IRD 2 OTD 2 IRD 2 IRD 30TD 3 IRD 3 OTD f 3 IRD 6 OTD 6 IRD 6 OTD 6 IRD 243

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