GarrettCom Magnum ST80 User's Manual
Contents
1. Switch Power Jack AUI Port 10BASE2 Port AUI Port_ Fiber ST Port a oa am O Rear View ST80 B Rear View ST80 F 3 1 Table Top or Shelf Mounting Stackable Personal Hubs are easily mounted on a table top or shelf and have four rubber feet to provide stability without scratching finished surfaces When properly installed the front mounted status LEDs will be in plain view and easy to read Plug in two or more Ethernet cable segments and the network is in operation 11 Stackable Personal Hubs Installation and User Guide 04 01 The rugged steel case of the ST80 Personal Hub will protect it from accidental damage in an office or lab workplace setting Keep an open area around the unit so that convection cooling can occur while the unit is in operation 3 2 Wall or Vertical Surface Mounting for non stacked units only When the Stackable Personal Hub is being used as a single unit the stacking mounting brackets may be used to mount the unit on a wall or any convenient surface where the associated Proper attachment of stacking cables are out of the way The brackets mounting bracket for wall mounting are attached to each side of the ST80 s case using one of the metal screws for each co bracket The brackets should be Magnum ST80 Stackable Personal Hub attached to the ST80 through the round hole of the bracket When properly X00 aati pes attached the brackets will extend Top view One non stacke2. Switchable Up Link set to X to existing network via e switchable Up Link port lal Personal Workgroup Power is connected by plugging the external power supply unit into an AC power receptacle and plugging the DC power plug into the jack on the back of the ST80 In minutes up to eight additional ports are available for other networked devices to existing network via AUI BNC ST80 B only or Fiber ST ST80 F only connector p Port 8 Switchable LLILITI Up Link set to Stackable Personal Hubs Installation and User Guide 04 01 Stackable Personal Rear port s may be used Hubs may also be used as a for additional user s stand alone network for a Port 8 Switchable personal multi user system STA aes Up Link set to such as shown below Up to Personal Workgroup eight RJ 45 user ports are available where only 1OBASE T wiring is used and full length Ethernet segments are supported on all ports In this application the Up Link switch is in the straight through or position so that port 8 is a user port not an up link to another hub When network requirements exceed the capacity of a single ST80 additional hubs may be stacked to form a single logical hub This stacking capability allows one to build larger networks that are in compliance with the four repeater rule specified in the Ethernet standards As with a single ST80 unit a stack may be connecte
3. not pack the unit in Styrofoam popcorn type packing material This material may cause electro static shock damage to the unit 2 Clearly mark the Return Material Authorization RMA number on the outside of the shipping container 3 GarrettCom is not responsible for your return shipping charges 4 Ship the package to GarrettCom Inc 47823 Westinghouse Dr Fremont CA 94539 Attn Customer Service APPENDIX A WARRANTY INFORMATION GarrettCom Inc warrants its products to be free from defects in materials and workmanship for a period of three 3 years from the date of shipment by GarrettCom During this warranty period GarrettCom will repair or at its option replace components in the products that prove to be defective at no charge other than shipping and handling provided that the product is returned pre paid to GarrettCom This warranty will not be effective if in the opinion of GarrettCom the product has been damaged by misuse misapplication or as a result of service or modification other than by GarrettCom GarrettCom reserves the right to make a charge for handling and inspecting any product returned for warranty repair which turns out not to be faulty Please complete the warranty card as this acts as a product registration and mail it to GarrettCom within two weeks of your purchase 24
4. one of two types one version for AC input power of 115 vac 60 Hz and one version for 230 vac 50 Hz The 115 vac version has a small transformer integral with a convenience power outlet plug The 230 vac version has a small transformer integral with an IEC type power plug for a user supplied AC power cord with a convenience power outlet plug Both types also include a lightweight DC power cord to the applicable power jack on the ST80 unit Stackable Personal Hubs Installation and User Guide 04 01 2 3 v Features and Benefits Expandable Design When network needs grow several Stackable Personal Hubs can be easily stacked to form a single logical repeater of up to forty RJ 45 ports Low cost stand alone 10BASE T connectivity Operating in a stand alone environment as self sufficient devices Stackable Personal Hubs offer a very low cost method of providing small workgroups access to a variety of Ethernet networking services such as file sharing E Mail printer sharing and other computer information Interconnect to an Existing Ethernet Network Stackable Personal Hubs provide a manual Up Link switch that allows one RJ 45 port to connect into an existing Ethernet environment such as the central hub for the building or area via 10BASE T wiring Inter operable with other Ethernet Devices Stackable Personal Hubs are completely inter operable with other Ethernet compliant network devices Each is fully compliant with IEEE 802 3 spec
5. rma rma_request_noaccount php to fill out the form Please have the following information readily available Name and phone number of your contact person Name of your company institution Your shipping address Product name Serial Number or Invoice Number Packing List Number or Sales Order Number Date of installation Failure symptoms including a full description of the problem GarrettCom will carefully test and evaluate all returned products will repair products that are under warranty at no charge and will return the warranty repaired units to the sender with shipping charges prepaid see Warranty Information Appendix A for complete details However if the problem or condition causing the return cannot be duplicated by GarrettCom the unit will be returned as 23 Stackable Personal Hubs Installation and User Guide 04 01 No Problem Found GarrettCom reserves the right to charge for the testing of non defective units under warranty Testing and repair of product that is not under warranty will result in a customer user charge 5 4 Shipping and Packaging Information Should you need to ship the unit back to GarrettCom please follow these instructions 1 Package the unit carefully It is recommended that you use the original container if available Units should be wrapped in a bubble wrap plastic sheet or bag for shipping protection You may retain all connectors and this Installation Guide CAUTION Do
6. vac 50 Hz power supply GarrettCom Inc reserves the right to change specifications performance characteristics and or model offerings without notice Stackable Personal Hubs Installation and User Guide 04 01 2 0 INTRODUCTION This section describes the ST80 Stackable Personal Hub including appearance features and possible applications 2 1 Inspecting the Package and Product Examine the shipping container for obvious damage prior to installing this product notify the carrier of any damage which you believe occurred during shipment or delivery Inspect the contents of this package for any signs of damage and ensure that the items listed below are included This package should contain 1 Magnum ST80 series Stackable Personal Hub 1 External Power Supply either 115v 60 Hz or 230v 50 Hz 1 Velcro Tape section approximately 3 inches in length L shaped stacking mounting brackets e N Metal screws for optional use with stacking mounting brackets 1 Installation and User Guide 1 Product Registration Card Remove the Magnum Stackable Personal Hub from the shipping container Be sure to keep the shipping container should you need to ship the unit at a later date To validate the product warranty please complete and return the enclosed Product Registration Card to GarrettCom Inc as soon as possible In the event there are items missing or damaged contact your supplier If you need to return the unit try to use the origi
7. Connection Model ST80 B only Connect the ThinNet coax cable to the BNC connector on the rear of the ST80 B in the same manner as is done for any standard BNC connection The BNC port is specially equipped with an internal termination switch that eliminates the need to use a tee connector when the BNC cable is ending at the ST 80 When the switch is in the right position the connection is internally terminated When switched to the left position external termination tee connector not supplied is required Some applications may require a tee connector used as a tap to allow the 1OBASE2 coax segment to continue on past the ST 80 port connection 3 7 Fiber Optic Connection Model ST80 F only The following procedure applies to FOIRL and 10BASE FL multi mode applications using an ST80 F The primary difference between FOIRL and 10BASE FL for users is the maximum distance allowed 10OBASE FL is used for a fiber segment length of up to 2000m while FOIRL is used for fiber segments of up to 1000m in length 1 Before connecting the fiber optic cable remove the protective dust caps from the tips of the connectors on the ST80 s rear Fiber port Save these dust caps for future use 2 Wipe clean the ends of the dual connectors with a soft cloth or lint free lens tissue dampened in alcohol Make certain the connectors are clean before connecting Note One strand of the duplex fiber optic cable is coded using color bands at regu
8. IRB cable are included with each unit Recessed LEDs to avoid damage located with the RJ 45 ports for convenience Dimensions All models 6 75 in x 4 0 in x 1 0 in 17 1 cm x 10 1 cm x 2 5 cm Weight All models 1 3 1b 600 gr Power Supply 1 0 lb 455 gr Cooling method Convection Agency Approvals Magnum ST80 is UL Listed UL1950 CSA certified 115v 60 Hz Power Supply is UL Listed CSA certified 230v 50 Hz Power Supply is same also GS approved Emissions Meets FCC Part 15 Class A Warranty Three years see also Appendix A Made in USA Stackable Personal Hubs Installation and User Guide 04 01 1 2 Ordering Information Magnum Stackable Personal Hubs MODEL DESCRIPTION Magnum ST80 d Stackable Personal Hub with eight standard RJ 45 ports one with up link switch plus one rear AUI port external 115 vac 60 Hz power supply Magnum ST80 i Same as ST80 d but with external 230 vac 50 Hz power supply Magnum ST80 B d Stackable Personal Hub with eight standard RJ 45 ports one with up link switch one AUI plus 1 BNC port with internal termination switch external 115 vac 60 Hz power supply Magnum ST80 B i Same as ST80 B d except with external 230 vac 50 Hz power supply Magnum ST80 F d Stackable Personal Hub with eight standard RJ 45 ports one with up link switch one AUI plus one Fiber ST port with LINK LED external 115 vac 60 Hz power supply Magnum ST80 F i Same as ST80 F d except with external 230
9. Stackable Hubs SNMP Optional 10Mb series and 100Mb series both w optional port modules Personal Switches 10 100Mb 8 port dual speed Auto negotiable with fiber option Personal Hubs 100Mb or 10 100Mb 8 port with two switched ports 1 fiber built in Personal Hubs 10Mb series 8 port AUI stackable to 5 high optional BNC of fiber port 8 or 9 port and 4 or 5 Port Personal Hubs w man up link sw Media Converters 10Mb and 100Mb series All media combinations incl fiber ST SC mm single mode The X line of configurable MiXed Media products Stackable Concentrators SNMP optional 13 Ports Mini Concentrators 7 Ports Repeaters 2 Ports Repeater Port Modules RPMs 6 types for Ethernet media Bridge Port Modules BPMs 4 types for segment isolation Fan Outs 10Mb series 2 4 and 8 Port Models Transceivers 1OMb and 100Mb series 10Mb Mini Transceivers and Coax Models All Types Apr 01 Stackable Personal Hubs Installation and User Guide 04 01 1 0 SPECIFICATIONS 1 1 Technical Specifications Performance Data Rate 10 Mbps Partitioning Enforced after 32 consecutive collisions Reconnect Occurs after 512 bits error free transmission Maximum Ethernet Segment Lengths 10BASE T Unshielded twisted pair 100 m 328 ft 10BASE T Shielded twisted pair 150m 492 ft AUI Drop Cable 50 m 164 ft 10BASE2 ThinNet BNC 185 m 607 ft 10BASE5 500 m 1 640 ft 10BASE FL multi mode Fiber opti
10. ables are functioning properly 5 If the problem continues after completing Step 4 above contact your supplier of the Magnum ST80 Stackable Personal Hub unit or if unknown contact GarrettCom Inc by fax phone or email support garrettcom com for assistance 22 Stackable Personal Hubs Installation and User Guide 04 01 5 2 5 3 When Calling for Assistance Please be prepared to provide the following information A complete description of the problem including the following points a The nature and duration of the problem b Situations when the problem occurs c The components involved in the problem d Any particular application that when used appears to create the problem An accurate list of GarrettCom product model s involved with serial number s Include the date s that you purchased the products from your supplier It is useful to include other network equipment models and related hardware including personal computers workstations terminals and printers plus the various network media types being used A record of changes that have been made to your network configuration prior to the occurrence of the problem Any changes to system administration procedures should all be noted in this record Return Material Authorization RMA Procedure All returns for repair must be accompanied by a Return Material Authorization RMA number To obtain an RMA number please use this URL https rma garrettcom com
11. bits so that output packets contain a minimum 64 bit preamble per the Ethernet standard Collisions When carrier is detected simultaneously on multiple ports a jam pattern is generated on each port to create a collision condition When a collision signal from one port is detected it generates a jam pattern to other ports Fragment Extension Stackable Personal Hubs will automatically add bits to a received data packet of less than 96 bits a fragment so that the minimum output packet to the other port is 96 bits long 4 2 Using the Up Link switch Port 8 of the ST80 is equipped with an up link switch to allow connection to another hub or concentrator without a special crossover cable When set to the position port 8 is set up as a user port When the switch is in the X position port 8 operates as an up link port To ensure that the up link switch is in the proper position observe port 8 s LINK TX LED If this LED is illuminated or flickering the switch is properly set If it is off try the other switch position If neither position seems to work check the 1OBASE T cable and the connected device for proper installation For more information on the up link switch see Sections 3 8 and 3 10 Switchable Up Link Option and Cascading the ST80 Personal Hub with the Up Link port 4 3 Using the BNC Internal Termination Switch Model ST80 B only Model ST80 B is equipped with a rear mounted BNC connector wit
12. c 2 km 6562 ft Network Standards Ethernet V1 0 2 0 IEEE 802 3 10OBASE T 1OBASES 10BASE2 10BASE FL FOIRL Magnum Stackable Personal Hubs are physical layer standard Ethernet products and operate in networks independently of all software Operating Environment Ambient Temperature 32 F to 122 F 0 C to 50 C Storage Temperature 20 C to 60 C Ambient Relative Humidity 10 to 95 non condensing Power Supply External Input 95 125 vac at 60 Hz for d Models 200 250 vac at 50 Hz for i Models which have IEC power cable connector in the external power unit Output 12 VDC 1 A Polarity center positive shell negative Power Consumption 12 watts max Connectors ST80 Eight shielded RJ 45 ports one with up link switch one rear AUI female with slide lock two Inter Repeater Bus connectors on the side ST80 B Same as ST80 plus one rear BNC with internal termination switch ST80 F Same as ST80 plus one rear Fiber ST type Shielded 1OBASE T connectors accept either unshielded or shielded wiring plugs for standard twisted pair media wiring The regular RJ 45 ports support the standard for hubs to users twisted pair wiring pin l receive 2 receive 3 transmit 6 transmit other pins not used The RJ 45 port with the up link switch is normally the same but when switched it supports the standard for up links using twisted pair wiring i e the transmit and the receive pairs are exchanged
13. d ST80 with slightly below the base of the unit to brackets attached for wall mounting allow clearance for the rubber feet 3 3 Combining and Mounting Stacked Units When stacking two or more ST80s the stacking mounting brackets should be used to attach each additional unit to the one below it First attach two brackets to the bottom of the upper unit using two of the metal screws To ease installation attach the brackets to the bottom of each unit through the round holes of the brackets The brackets should be oo0oo0o000000 oriented so that they extend down Upside down view ST80 with and out when the unit is upright brackets attached for stacking Next set the upper unit on top of the lower unit so that the slotted holes of the two brackets line up with the screw holes in the side of the lower ST80 Attach the brackets to the lower unit with the two remaining screws If additional units are to be 12 Stackable Personal Hubs Installation and User Guide 04 01 included in the stack attach them in the same manner The brackets and screws included with the bottom unit of the stack will not be used for stacking purposes 3 4 Twisted Pair Segment Connections 1 Using standard 1OBASE T media Proper attachment of ST80s with insert the male plug on one end of the network stacking mounting bracket cable into one of the RJ 45 female ports on the Stackable Personal Hub Even though the hub s por
14. d to a backbone through any standard Ethernet media A stack of ST80s may also be cascaded as a unit into another stack or hub Fiber backbone Magnum S180 Stackable Personal Hub 10 Stackable Personal Hubs Installation and User Guide 04 01 3 0 Installation Installation of a Stackable Personal Hub is a simple procedure First locate an AC receptacle that is within six feet 2 meters of the intended hub location and plug in the external power supply unit provided as part of the unit The small DC power cord from the power supply plugs into the matching rear power jack of the ST80 and when power is applied External the green PWR Power Supply LED will al illuminate The external power supply unit supplied is one of two types one version for AC input power of 115 vac 60 Hz and one version for 230 vac 50 Hz Examine the power supply to make sure the version you have is the right type for your AC power system The 115 vac version has a small transformer integral with a convenience power outlet plug and a lightweight DC power cord to the applicable power jack on the hub The 230 vac version has a small transformer integral with an IEC type power plug for a user supplied AC power cord with a convenience power outlet plug It also includes a lightweight DC power cord to the applicable power jack on the ST80 unit AUI Port Power Jack Rear View ST80 Power Jack Termination
15. ding any cascading The maximum transmission distance between a backbone transceiver and the AUI port of the ST80 will vary According to Ethernet standards when an AUI cable is used to connect the ST80 directly to a backbone transceiver the maximum AUI segment length of 50m 165 ft is allowed If the ST80 is connected to a transceiver that has been cascaded from another transceiver the maximum AUI segment length is reduced See the following note Important Note The maximum transmission distance is decreased by 6m 20 ft for every additional level of network transceiver device dropped or cascaded from the original backbone transceiver tap The AUI connector of the Stackable Personal Hub supports standard IEEE signals which are summarized in Table 3 5 Table 3 5 AUI Pin Assignments Pin Function Pin Function 1 Control In Circuit Shield 10 Data Out Circuit B 2 Control In Circuit A 11 Data Out Circuit Shield 3 Data Out Circuit A 12 Data In Circuit B 4 Data In Circuit Shield 13 Voltage Plus 5 Data In Circuit A 14 Voltage Shield 6 Voltage Common 15 Control Out Circuit B 7 Control Out Circuit A SHELL Protective Ground 8 Control Out Circuit Shield conductive shell 9 Control In Circuit B NOTES 1 Voltage Plus pin 13 and Voltage Common pin 6 use a single twisted pair in the AUI cable 2 Pins 4 8 11 and 14 may be connected to pin 1 14 Stackable Personal Hubs Installation and User Guide 04 01 3 6 BNC
16. e may be a full segment of distance between them Port 8 Up Link _ e A Port i neon switch in position eesssssseL LILI EI Ly switch in osition SS f Soren Users and devices Users and devices Based on the four repeater rule defined by Ethernet standards there may be a maximum of four units in any one chain between any two users Note that a stack of ST80s is a single unit for repeater functionality Magnum ST80 hubs may also be cascaded in networks with other Magnum Hubs such as Magnum Personal Hubs Magnum 1000 Workgroup Hubs and Magnum 3000 Stackable Hubs and Concentrators as well as with Ethernet hubs from other manufacturers 18 Stackable Personal Hubs Installation and User Guide 04 01 4 0 OPERATION This section details the various operational features of Magnum ST80 Personal Hubs including a description of the LED indicators Stackable Personal Hubs are fully compliant with the Ethernet Version 2 IEEE 802 3 Repeater Specification for CSMA CD 10 Mbps operation and will function accordingly 4 1 Functional Operation Use of LED Indicators Power On PWR LED Illuminates GREEN to show proper DC power Collision COL LED Illuminates YELLOW whenever a transmit collision occurs on a port within the hub Link Status and Transmit LINK TX LED Per port LEDs detect and indicate by illuminating GREEN that there is proper connectivity on a OBASE T network segment The LED will tu
17. ect another IRB cable from the Ports 1 unused IRB connector of the existing PIPIO stack s top unit to the corresponding IRB connector of the ST80 Personal SN RRQRO OOO Hub to be added Be sure that the Stack Enable Switch of the added unit is set to the ON position Up to five Stackable Personal Hubs may be connected in this fashion Each unit of the stack must be powered by its own external power supply unit Power on is verified by observing that the PWR LED of each ENW oo 0000000 unit is illuminated Should one unit of the stack be powered down the remainder of the stack will still function Five stacked ST80s 40 RJ 45 ports properly Increased port capacity via stacking 17 Stackable Personal Hubs Installation and User Guide 04 01 3 10 Cascading the ST80 Personal Hub with the Up Link port Stackable Personal Hubs may be cascaded in order to expand existing networks For example an ST80 may be cascaded via the switchable up link port into any port of another hub Also Stackable Personal Hubs may be connected to a backbone via the rear AUI port With the addition of a mini transceiver the AUI port may be used to connect to any standard Ethernet media ST80 B and ST80 F Personal Hubs may connect directly to 1OBASE2 and multi mode Fiber respectively Since each ST80 provides full repeater functionality cascaded units can operate together even though ther
18. eierosssirosrsioirss 3 0 INSTALLATION cccssscsssescseeseseseeeenenes 3 1 Table Top or Shelf Mounting 3 2 Wall or Vertical Surface Mounting for non stacked units only 0 12 3 3 Combining and Mounting Stacked Units ccc eeeeeeeseseeeseeeeeeteeeneeaees 12 3 4 Twisted Pair Segment Connections we 13 3 5 AUT COMME CHON sos cssssd seusssedestecasssesesass ousenivecsxensvand EEEE EEEN EREE EIR EE VESSE 13 3 6 BNC Connection Model ST80 B only sssssessessssesssssrsesssssrsrssersesssessessrsesses 15 3 7 Fiber Optic Connection Model ST80 F only vee 13 3 8 Switchable Up Link Option 16 3 9 Stacking the ST80 Personal Hubs ee eeeeeeeteeeees 16 3 10 Cascading ST80 Personal Hubs with the Up Link port eee 18 AOIORERA TION erriren eiae a E e E A manna 19 4 1 Functional Operation Use of LED Indicators s sssseseesseseeererersrersreerrerrsesre 19 4 2 Using the Up Link Witch sesssesssesisssiseseeiesissiesssioisisssneisisssseissesisoiens we 20 4 3 Using the BNC internal termination switch Model ST80 B only s 20 4 4 Using the Stack Enable sWitch eo ccc seeeseesceseeeeetsesseeseesseaeeeeesaeeaeeas 21 gt O TROUBLESHOOTING 6 osiciccndstlisssscisvecapensudexssenveeebateawans seeneavecdbvecdssneneivese 5 1 Before Calling for Assistance c ci eseceeseeesesseeeeseeeceesseesesseeaeeeseeseeseeaeeaes 5 2 When Calling for Assistance rsisi srira eirean eia a e S 5 3 Return Material Authori
19. eo GarrettCom Ethernet at Its Best Magnum ST80 Stackable Personal Hub Installation and User Guide Stackable Personal Hubs Installation and User Guide 04 01 Magnum Stackable Personal Hub Installation and User Guide Part 84 00029 Rev B 04 01 Trademarks Ethernet is a trademark of Xerox Corporation NEBS is a trademark of Telcordia Technologies UL is a registered trademark of Underwriters Laboratories GarrettCom Magnum and Personal Switch are trademarks and Personal Hub is a registered trademark of GarrettCom Inc Important The Magnum ST80 Stackable Personal Hub family contains no user serviceable parts Attempted service by unauthorized personnel shall render all warranties null and void If problems are experienced with Magnum ST80 Stackable Personal Hub products consult Section 6 Troubleshooting of this User Guide Copyright 2001 GarrettCom Inc All rights reserved No part of this publication may be reproduced without prior written permission from GarrettCom Inc Printed in the United States of America ii Stackable Personal Hubs Installation and User Guide 04 01 Contacting GarrettCom Inc Please use the mailing address phone and fax numbers and email address listed below GarrettCom Inc 47823 Westinghouse Dr Fremont CA 94539 Phone 510 438 9071 Fax 510 438 9072 Website http www GarrettCom com email support garrettcom com Federal Communications Commissi
20. h an internal termination switch This switch allows connection to 10BASE2 cable without use of an external T type terminator When set to the left position external termination is required When the switch is in the right position the connector is internally terminated For more details on the internal termination switch see Section 3 6 BNC Connection 20 Stackable Personal Hubs Installation and User Guide 04 01 4 4 Using the Stack Enable switch The Stack Enable switch of the ST80 is used to configure each unit of the stack If an ST80 is being used as a non stacked unit the Stack Enable switch must be in the OFF position When two or more ST80s are stacked the bottom unit should be set to the OFF position and all other units should be in the ON position For further information about the Stack Enable switch see Section 3 9 Stacking the ST80s 21 Stackable Personal Hubs Installation and User Guide 04 01 5 0 TROUBLESHOOTING All Magnum Ethernet products are designed to provide reliability and consistently high performance in all network environments The installation of Magnum ST80 Stackable Personal Hub is a straightforward procedure see INSTALLATION Section 2 6 the operation is also straightforward and is discussed in Section 4 Should problems develop during installation or operation this section is intended to help locate identify and correct these types of problems Please foll
21. ifications for 10 Mbps CSMA CD operation and can be integrated within any standard Ethernet network and operate with standard software Installation Versatility Stackable Personal Hubs are easy to install in most any office or lab location The tiny package is very unobtrusive and may even be Velcro mounted LEDs Simplify Network Installation and Maintenance Stackable Personal Hubs are equipped with a full complement of LEDs to provide status about basic network activity LINK LEDs for each port offer a simple way to verify operational connections of each 1OBASE T segment High Quality Stackable Personal Hubs have a rugged steel case and are compliant with rigid CE emission standards making them suitable for commercial and home offices Per port partitioning and re connection avoids most downtime Stackable Personal Hubs Installation and User Guide 04 01 2 4 Applications Expanding from one to multiple ports at an existing site is easy and requires no modification to typical building wiring Simply plug the existing networked device s network cable into one of the ST80 s front RJ 45 ports The Up Link port with switch set to X connects via OBASE T cabling to the existing network outlet Optionally a mini transceiver may be connected to the rear mounted AUI port to provide connectivity to any standard Ethernet media type The ST80 B and ST80 F provide for direct connection to 10BASE2 and multi mode Fiber respectively Port 8
22. ink Port The ST80 s RJ 45 ports support connection of up to eight workstations or other network devices over full length 1OBASE T cable segments Stackable Personal Hubs operate in compliance with the IEEE 802 3 specification for repeater functionality to perform signal amplification re timing of data packets and regeneration of preamble bits for each packet received Consistent with IEEE 802 3 specifications Stackable Personal Hubs will detect collisions extend collision fragments and automatically partition and re connect individual ports in order to keep problems on one segment from causing downtime elsewhere on the network Model ST80 Personal Hubs include per port LINK TX and POL RX LEDs a COLlision LED and a DC PWR LED all conveniently located on the front of the unit The LINK TX LED illuminates GREEN when functional link is detected on the port It is intermittently turned off as the port transmits a packet The POL RX LED intermittently illuminates GREEN as the port receives packets If improper polarity is detected the LED is steady GREEN the ST80 automatically compensates for the polarity reversal and resumes normal operation If the port becomes partitioned the LINK RX and POL TX LEDs will blink alternately The COL LED flashes YELLOW whenever a transmit collision occurs on any of the ports www GarrettCom com 6 Stackable Personal Hubs Installation and User Guide 04 01 The external power supply unit supplied is
23. lar intervals you must use the color coded strand on the associated ports at each end of the fiber optic segment i e TX on one end and RX on the other end 3 Connect the Transmit TX port light colored post of the ST80 to the Receive RX port of the remote device Use the color coded strand of the cable for this first TX to RX connection 4 Connect the Receive RX port dark colored post of the ST80 to the Transmit TX port of the remote device Use the non color coded fiber strand for this connection 3 The LINK LED next to the rear fiber port will illuminate when a proper connection has been established at both ends and when power is ON in the unit If LINK is not lit after cable connection the normal cause is improper cable polarity Swap the fiber cables at the ST80 s rear fiber port connectors to remedy this situation in most cases 15 Stackable Personal Hubs Installation and User Guide 04 01 3 8 Switchable Up Link Feature Each Stackable Personal Hub is equipped with an up link switch connected to port 8 right most RJ 45 port This switch is used to select either a normal 1OBASE T connection to a user device switch in the position or a 10BASE T network up link connection to another hub or concentrator switch in the X position A special crossover cable for up link is not needed with the Stackable Personal Hub because of this built in up link switch feature When port 8 is wired for
24. nal shipping container Refer to Section 5 Troubleshooting for specific return procedures Stackable Personal Hubs Installation and User Guide 04 01 2 2 Product Description The Stackable Personal Hub is an eight port workplace hub in a very compact package It is simple to install and use in an office or lab environment requiring no special rack cabinets or wiring closet apparatus Up to five Stackable Personal Hubs may be stacked to form a single logical repeater Personal Hubs are standard physical layer Ethernet products and operate independently of all software ST80 Personal Hubs are well suited for small to medium size office or lab environments up to eight users without stacking that need an independent Ethernet network They can operate as self sufficient units to provide 1OBASE T Ethernet connectivity for local users and devices Small independent networks built using Stackable Personal Hubs are easily expanded by stacking additional ST80s via the IRB connectors The AUI port provides backbone or other connectivity if required The ST80 B and ST80 F models are also equipped with a BNC or a Fiber ST connector for convenient media connections PWR AUI ke Ports 1 ra Ei 4 5 6 am os ee Stackable Personal Hubs provide a simple and inexpensive solution for Network Port networking a multi system office using 1 OBASE T twisted pair cabling They can expand an existing single network port outlet to
25. on Radio Frequency Interference Statement This equipment generates uses and can radiate frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference iii Stackable Personal Hubs Installation and User Guide 04 01 TABLE OF CONTENTS Page 1 0 SPECIFICATIONS einiges eeen ea aa E a a aeia 1 1 1 Technical Specifications sis ccsccsissccsdsesscassoessesssvesseveddessvaatassdvast edsesacaissasscasions 1 1 2 ORDERING INFORMATION ue cceccceseeeceeceeenesseeseeseeecseeseesesaeeaeeesesseeaeeas 3 ZO IN FRODUCTION si secoseccshsecseteencnavenlestseuacevebisnessepeennsvestenerstabucssnncebessapnsars 4 2 1 Inspecting the Package and Product eeeeeeeeseceseeeeneeeseeeeeeeeeneeeeeeseeeneeeeees 2 2 PTOAUCE DESCTIPUIOM sssri res eiei nr i p ra i EER A E 2 3 Features and Bene iSkin ea aen TE A E aut tueshh vacuss 2 4 Applications psessiseressc
26. ow the suggestions listed below prior to contacting your supplier However if you are unsure of the procedures described in this section or if the Magnum ST80 Stackable Personal Hub is not performing as expected do not attempt to repair the unit instead contact your supplier for assistance or contact GarrettCom Customer Support 5 1 Before Calling for Assistance 1 If difficulty is encountered when installing or operating the unit refer back to the Installation Section of the applicable chapter of this manual Also check to make sure that the various components of the network are interoperable 2 Check the cables and connectors to ensure that they have been properly connected and the cables wires have not been crimped or in some way impaired during installation About 90 of network downtime can be attributed to wiring and connector problems 3 Make sure that an AC power cord is properly attached to each Magnum ST80 Stackable Personal Hub unit Be certain that each AC power cord is plugged into a functioning electrical outlet Use the PWR LEDs to verify each unit is receiving power 4 If the problem is isolated to a network device other than the Magnum ST80 Stackable Personal Hub product it is recommended that the problem device is replaced with a known good device Verify whether or not the problem is corrected If not go to Step 5 below If the problem is corrected the Magnum ST80 Stackable Personal Hub and its associated c
27. pin 1 transmit 2 transmit 3 receive 6 receive other pins not used Stackable Personal Hubs Installation and User Guide 04 01 Switches Up Link MDI X Media Dependent Interface Crossover manual slide switch converts RJ 45 port 8 from a regular user segment port to a crossover X up link port for on off connection to a backbone or another cascaded hub Stack Enable Switch Manual slide switch to specify which Stackable Personal Hub is the base of the stack Exactly one hub should have its Stack Enable switch in the OFF position left All other hubs in the stack should have their Stack Enable switches set to the ON position right Internal Termination Switch ST80 B only When switched to the right position allows BNC connection without a tee connector and a 50 ohm terminator When switched to left position a tee connector is required LEDs PWR GREEN when Proper DC power supplied to ST80 COL YELLOW when a transmit collision occurs on the hub LINK TX per port GREEN when link established on port Flickers as port transmits packets POL RX per port Flickers GREEN as port receives packets Steady GREEN when reversed polarity detected Packaging Enclosure Rugged high strength steel enclosure Suitable for vertical or horizontal mounting Any unit may be used stand alone or as either the base unit or an additional unit in a stack two stacking mounting clips and one
28. provide up to seven additional RJ 45 ports in the immediate office or lab area Once installed a Stackable Personal Hub is easily expanded by stacking additional units to support larger numbers of users The Magnum ST80s small size makes them very useful for demonstration situations in conference rooms and in exhibitions where a temporary network or network expansion is needed They are handy as a piece of test equipment that can be easily inserted into a network to provide a test port and then removed after the testing is done Stackable Personal Hubs take up minimal space use minimal power and are rugged enough to be carried in a coat pocket for possible emergencies Stackable Personal Hubs Installation and User Guide 04 01 ST80 Personal Hubs fit easily into the workplace environment They are versatile enough to be table top or shelf mounted Alternatively the brackets included in the package may be used to mount a single un stacked unit on a wall or any suitable vertical surface All of the wiring connectors are in the same plane so that wiring space is neat and minimal The external power supply unit conveniently plugs into an AC wall receptacle or power strip BNC Internal Termination Swtich 10BASE2 BNC Port ST80 B only T80 B only power Jack ower Jac Fiber ST PORT ST80 F only AUI Port IRB in E A Link itch Connectors Up Link Switc Stack Enable scececcee Switch Status LEDs Front Ports Up L
29. rn off intermittently when the port transmits a packet In the event that connectivity is lost between the ends of that segment or a loss of power occurs in the segment at either end the LED is turned off Note When port 8 is wired for up link to another hub the LINK LED will normally be on when the up link switch is set to the X position With the up link switch off LINK is off as the up link is disabled This permits local operation of the ST80 Personal Hub with full bandwidth Polarity and Receive POL RX LED Per port LEDs intermittently illuminate GREEN to indicate that data packets are being received from the segment This provides a visual indication of network activity for re assurance of normal operation and is also helpful in troubleshooting If reversed polarity is detected the LED becomes steady GREEN the ST80 automatically compensates for the reversed polarity and resumes normal operation Partitioning and Re connection Stackable Personal Hubs will automatically partition any port where 32 consecutive collisions or 6 5 ms of continuous transmissions occurs Network integrity is checked every 800 ms and segment re connection occurs after one 512 bit packet is transmitted without error The status LEDs of a partitioned port indicate the partitioned state by blinking alternately 19 Stackable Personal Hubs Installation and User Guide 04 01 Preamble Regeneration Stackable Personal Hubs add preamble
30. ts are of the shielded type they will accept and operate properly with both shielded and unshielded type RJ 45 twisted pair wiring 2 Connect the other end of Magnum ST80 Stackable Personal Hub each wiring cable to the applicable Ports 1 y 3 4 5G 7 workstation or user device The port s ooo0o00000 CLLLLLLIL oo0oo0000000 i i u pini mien in mi wini mirn mirn LINK LED iluminates when the MUKAA vn een QUMA ee M connection is made on both ends of the wire and when the DC power is on at RJ 45 User Connections each end i e when the segment circuit is established and is ready to use 3 For the port 8 up link feature see 3 8 3 5 AUI Connection Using the steps below as a guide attach a new or existing 10BASES5 ThickNet drop cable directly to the AUI connector on the rear of the ST80 Personal Hub 1 Plug the male end of the cable into the female AUI connector on the ST80 2 Engage the AUI connector slide lock to insure maximum connectivity 3 Connect the opposite end of the cable into a network AUI port This could be a network backbone transceiver a hub or fan out with an AUI port or an AUI Port Module in a concentrator 13 Stackable Personal Hubs Installation and User Guide 04 01 The AUI port may also used for connecting to other Ethernet devices using standard AUI cabling In this type of situation it is important to consider the AUI segment length to the attached device inclu
31. up link but BE i i oo0oo0oo0o00000 f KS theswitchissettothe fssesesss LLL LLII A position the up ill A g link connection is inoperative and full bandwidth is available locally 3 9 Stacking the ST80 Personal Hubs When increased network capacity is needed up to five ST80 Personal Hubs may be easily stacked to form a single logical repeater of up to 40 RJ 45 ports Stack Enable Switches in ON position right Stack Enable Switch in OFF position left NOTE Be sure to secure the units with the stacking mounting brackets before making the following electrical connections The brackets cannot be installed while the connector cables are in place Refer to Section 3 3 for stacking bracket installation instructions 16 Stackable Personal Hubs Installation and User Guide 04 01 When stacking switch the PWR Stack Enable switch of the bottom Ne Magnum ST80 Stackable Personal Hub ST80 to the OFF position left All other units should be switched to the ON position right Using the IRB ribbon cable connect one end to either Inter Repeater Bus connector IRB1 or IRB2 of the bottom ST80 Connect the other end of the cable to the corresponding IRB connector of the top ST80 i e the IRB cable is Sees seas connected from IRB1 to IRB1 or from IRB2 to IRB2 If additional ST80 Personal Hubs are to be added conn
32. zation RMA Procedure dog 5 4 Return Shipping and Packaging Information cee eeeeeeeseeeteeeeeeeeeeeaes APPENDIX A WARRANTY INFORMATION cccccsssesesseesseecseeseesseneesseneees Revisions Rev B 04 01 Change the company name to GarrettCom Inc Formerly it was Garrett Communications There are no changes to the content of the material at this time Rev A 06 95 This revision is the initial release of the Magnum ST80 Stackable Personal Hub user manual iv Stackable Personal Hubs Installation and User Guide 04 01 The Magnum Line ETHERNET CONNECTIVITY PRODUCTS DESIGNED AND MANUFACTURED IN THE USA OVERVIEW GarrettCom Inc offers the premium quality Magnum line of Ethernet LAN connectivity products with industry standard functionality and built in fiber configurability Magnum products are designed for use in demanding Carrier Class Industrial Grade and OEM applications where reliability is a primary consideration 4K Series Switches 100 amp 10Mbps copper ports with optional fiber port with auto negotiating full switching performance Quad Series Fiber Switches 100 amp 10Mbps fiber and copper ports mixed speed and mixed media types full switching performance Outdoor Ethernet Switch for temperature uncontrolled locations 6 10 100 and 2 100Mb fiber ports can be connected in strings Mixed Media Fiber Hub 16 port Stackable 10 100 auto sensing Dual Speed 8 port and 16 port Stackables 10 100 auto sensing
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