User's Manual
Contents
1. product is receiving power if it is monitoring another hub or 10 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 COL10 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 Partition Color Yellow Label PAR Function For fast Ethernet Rack Mount series each RJ45 station port on the hub 11 is assigned one LED to indicate the partition status The LED is normally in state of Off after power on operation If that port is partitioning the LED will keep On otherwise keeping Off On the front panel also has several LEDs to indicat2. FHU 1604TXDS FHU 2404TXDS FHU 3204TXDS 16 24 32 Port Stackable 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 manufacturer s 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 e 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 Checklis
3. a port with the ability to extend the cable length between hubs in 100 meters for TX and 2000 meters for FX and over the limitation of 100BASE TX Class II standard Normally the distance between two Class II hubs is 5 meters This special ability allows user to use the bridging port as daisy chain port just like as 1OBASE T and to expand the network size more flexible and the cabling system is similar to 1OBASE T Front panel The following figure shows the front panel of 100Mbps Stackable Ethernet Hub FHU 1603TXS Front Panel FHU 2403TXS Front Panel FHU 3203TXS 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 1603TXS FHU 2403TXS FHU 3203TXS Series A special push bottom switch is for setting the corresponding RJ 45 connector into Normal or Up link mode For example 16 port dual speed hub the 12 port can be act as normal port or Up ink port by pushing the switch The Up link port is used for connection another hub through an ordinary straight wired twisted pair cable by running one end of straight cable to Up link 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
4. e the status of expansion module Expansion Port s Activity Color Green Label ACT Function The LED will flash rapidly to show data passing in and out the port BNC Module Installed Color Yellow Label BNC Function The LED light up steadily means that 10Base 2 BNC module installed TX Module Installed Color Green Label TXM Function The LED light up steadily means that 10 100Base TX module installed FX Module Installed Color Yellow Label FXM Function The LED light up steadily means that 100Base FX fiber module installed 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 12 FHU 1603TXS FHU 2403TXS FHU 3203TXS Series Power Connector For FHU 1603TXS FHU 2403TXS FHU 3203TXS Series AC Power Inlet The power cord should be plug into this socket The AC power inlet accepts AC voltage equal to 100 240VAC 50 60 Hz Stack Connectors For FHU 1603TXS FHU 2403TXS FHU 3203TXS Series There are two DB 25 connectors at rear panel with same pin definition and function These connectors are for stacking up several hubs to expanding the station ports By driving one end of cable to anyone connector of one hub and the other end to another hub s stack connector No ID switch for setting the ID address will automatically assign when stack cable connected Expansion Slot This slot is for four diffe
5. he first tack and one Uplink 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 e We recommend starting with the higher numbered ports when connecting Ethernet LAN and the new hub does not have an Uplink port or switch 14 you will have to use Uplink 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 teak 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 steadily If it does not check the cable and all connections Stacking two Hubs For FHU 1603TXS FHU 2403TXS FHU 3203TXS Series Two hubs can be connected by an attached stack cable 25
6. hing The kinds of cables that can be used with a OOBASE 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 1OOBASE TX Class II Fast Ethernet hub 1 All end nodes connected to the hub must have 1OOBASE 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 1OOBASE TX Class II hub Features and Specifications Features 1 Comply with the IEEE802 3u 100Base TX Class I1 standard 2 The 100M bps Stackable Ethernet Hub are FHU 1603TX S 16 port fast Ethernet hub FHU 2403TX S 24 port fast Ethernet hub FHU 3203TX S 32 port fast Ethernet hub The fast and dual speed Rack M ount products series can stack up each 3 Four different modules provide multiple options to enhance the ability of expansion of network MDU 0115B 10Base 2 BNC switching module MDU 0116TX 10 100Base TX 10 100M bps NW ay switching module MDU 0117FXT 100M bps Fiber ST switching module MDU 0117FXC 100M bps Fiber SC switching module 4 Atrear panel there are two stack connectors for stacking up to 3 units max 5 Atthe front panel of 19 case one push bottom swi
7. ional Ethernet using hubs and twisted pair cables is known as 1OBASE 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 hub series are Class II Fast Ethernet hub This means two things 1 This hub series will work with Fast Ethernet interface cards of one type only and 2 This hub series 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 sheat
8. pin D sub 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 1 OOBASSE 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 1OOBASE TX Class II hub 15 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 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
9. 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 16 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 Eemi a 2 input Receive Data Output Transmit Data 2 6 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 3 OTD 3 IRD 3 OTD i 3 IRD 6 OTD 6 IRD 6 OTD 6 IRD 17 243 18
10. rent modules The status LED of module will display on module itself and front panel Hardware Installation After selecting an appropriate location you are ready to connect t This section covers important rules fast Ethernet connections and how to connect the hub to end nodes another hub and power supply General Rules 13 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 e 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 defined 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 t
11. t Carefully unpack the package and check its contents against the checklist giben below Checklist of FHU 1603TXS FHU 2403TXS FHU 3203TXS 16 24 32 Port 100Mbps Stackable Ethernet Hub 16 24 32 Port 100Mbps Stackable Ethernet Hub User s manual Power cord 19 mount brackets Stack cable Plastic stand 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 1OBASE 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 These hubs 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 d Electrical and Electronics Engineers IEEE The standard for tradit
12. tch to setting the corresponding port as normal port or Up link port The reset switch is for reboot the hub 6 19 case size design for rack mount series 7 LED indicators array for simple diagnostics and management Specifications Standard 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 U p link port Stacking ports LED indicators System power and collision LEDs Individual port link activity and partition LEDs Dimension 200mm W x 430mm 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 100 240 VAC 50 60Hz Registrations FCC Part 15 Class A CE Installation Hardware Description Fast Ethernet products provide only 100Mbps The fast and dual speed Rack mount hubs can stack up each other but in a stack only one hub s internal switching function is enabled and the others will be disabled automatically For the network size expansion provide four different function modules MDU O115B one BNC port for connecting to 10Base 2 network MDU 0116TX one full switching function 10 100Mbps TX ports MDU 0117FXT one full switching function 100Mbps port for ST fiber MDU O117FXC one full switching function 100Mbps port for SC fiber All modules provide
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