Media Converter User Guide
Contents
1. with a twisted pair LOOBASE T segment Segment length on each side of the 15E Media Converter is measured as a percentage of the maximum allowable standard media distance for the given media type The percentages when added together must not exceed 100 20 Magnum 15E Media Converters Installation and User Guide 07 01 Media Distance Formula for Magnum 15E full duplex X Y lt 100 Where X The segment distance on one side of the Magnum 15E Media Converter divided by the Standard Maximum Media Distance for that media type x 100 Where Y The segment length on the other side of the Magnum 15E Media Converter divided by the Standard Maximum Media Distance for that media cabling type x 100 21 Magnum 15E Media Converters Installation and User Guide 07 01 Segment X Segment Y 10m 33ft 1500m 4920ft po Fiber Multimode Twisted Pair maan a Connectivity between 100BASE TX and 100BASE FX Ethernet Media 100BASE TX In the example figure shown above the length of fiber Segment X is 1500m 4920 ft This is 7590 of the maximum allowable distance for multi mode 100BASE FX fiber full duplex media 2000 m 75 2000 x 100 7590 The length of twisted pair Segment Y is 10m 33 ft This is 10 of the maximum allowable distance for 22 Magnum 15E Media Converters Installation and User Guide 07 01 100BASE TX full duplex twisted pair media 100 m 10 100 x 100 10 The total of the tw2. Guide 07 01 LED Indicators for the Magnum 15E LED TX port FX port Description PWR Indicates unit is receiving DC power LINK TP Fiber Steady ON when proper link is established at both ends of the media segment i e when both end s connections are properly made and when power is applied to the devices on both ends of the segment Except For Link Pass through models see Section 4 4 for interpreting LINK LEDS Agency Approvals 115v 60 Hz Power Supply is UL Listed UL 1310 CSA Certified 230v 50 Hz Power Supply is same also TUV and GS approved Emissions Meets FCC Part 15 Class A cUL CE Warranty Three years return to factory Made in USA ww GarettCom com oo 6 Ogg 4 Magnum 15E Media Converters Installation and User Guide 07 01 1 2 Ordering Information Model Number Magnum 15E SC d Magnum 15E SC i Magnum 15E ST d Magnum 15E ST i Magnum 15E sglm d Magnum 15E sglm i Magnum 15E smst d Magnum 15E smst i Magnum 14E SSCL d Magnum 15E Ipst d Magnum 15E Ipst i Description Twisted pair to mm fiber SC ext 115 vac 60Hz power supply Twisted pair to mm fiber SC ext 230 vac 50Hz power supply Twisted pair to mm fiber ST ext 115 vac 60Hz power supply Twisted pair to mm fiber ST ext 230 vac 50Hz power supply Twisted pair to fiber SC single mode ext 115 vac 60 Hz PS Twisted pair to fiber SC single mode ext 230 vac 50 Hz PS Twisted pair to fiber ST single mode ext 115 vac 60 Hz PS Tw
3. LEDs 41 Power Requirements Power Supply Types Magnum 15E Media Converters require 5 watts of power and are designed to be used with an external power supply The external power supply unit supplied is one of two types one version d models 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 i models 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 include a lightweight DC power cord to the applicable power jack on the Media Converter unit ww GarrettCom com uga 41 Magnum 15E Media Converters Installation and User Guide 07 01 4 2 Front Panel LEDs LED Description PWR Illuminates GREEN to indicate the unit is receiving DC power LINK RJ 45 port Illuminates GREEN to indicate proper connectivity on the 100BASE TX network segment LINK will turn off in the event connectivity is lost between the ends of the twisted pair segment or a loss of power occurs in the unit or remote device LINK Fiber port Illuminates GREEN to indicate proper connectivity on the 1OOBASE FX network segment LINK will turn off in the event connectivity is lost between the ends of the fiber segment or a loss of power occurs in the unit or remote device for LINK Pass Through models see section 4 4 42 Magnum
4. a functioning electrical outlet Use the PWR LEDs to verify each unit is receiving power www GarrettCom com 5 3 5 49 Magnum 15E Media Converters Installation and User Guide 07 01 4 If the problem is isolated to a network device other than the Magnum Magnum 15E Series Media Converter 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 15E Series Media Converter and its associated cables are functioning properly 5 If the problem continues after completing Step 4 above contact your supplier of the Magnum 15E Series Media Converter unit or if unknown contact GarrettCom Inc by fax phone or email support garrettcom com for assistance 50 Magnum 15E Media Converters Installation and User Guide 07 01 5 2 When Calling for Assistance Please be prepared to provide the following information 1 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 2 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 3 It is useful to include other network equipment models
5. all network environments The installation of Magnum 15E Media Converter is a straightforward procedure see INSTALLATION Section 3 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 follow 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 15E Media Converter product is not performing as expected do not attempt to repair the unit instead contact your supplier for assistance or contact GarrettCom Customer Support ww GarrettCom com 48 Magnum 15E Media Converters Installation and User Guide 07 01 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 15E Series Media Converter unit Be certain that each AC power cord is plugged into
6. and related hardware including personal computers workstations terminals and printers plus the various network media types being used 4 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 www GarrettCom com Wag 51 Magnum 15E Media Converters Installation and User Guide 07 01 5 3 Return Material Authorization RMA Procedure All returns for repair must be accompanied by a Return Material Authorization RMA number To obtain an RMA number call GarrettCom Customer Service at 510 438 9071 during business hours in California or email to support garrettcom com When calling 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 www GarrettCom com 52 Magnum 15E Media Converters Installation and User Guide 07 01 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
7. of both of the attached media types ww GarrettCom com 24 Magnum 15E Media Converters Installation and User Guide 07 01 Collision Domain A collision domain is defined in the IEEE 802 3u standard as a cluster of network devices that regardless of topology must be less than 512 BT Bit Times of signal delay PDV or Path Delay Value in diameter between any two nodes Nodes in a collision domain are connected by means of a repeater or repeaters such that no bridging or switching devices are present between any two nodes in the cluster A Magnum 15E has a PDV of about eighty Bit Times 80 BT and this value must be included in the overall collision domain diameter PDV calculations as applicable for the placement of the 15E in the topology of the collision domain Collision Domain Diameter The Collision Domain Diameter is the length of the longest path between any two devices in a single collision domain Regardless of the actual network topology the www GarrettCom com Ya 25 Magnum 15E Media Converters Installation and User Guide 07 01 Collision Domain Diameter must be less than 512 BT Bit Times Bit Times are related to media type as shown in Table 3 2 2a Table 3 2 2a Worst case round trip delay for Fast Ethernet media Bit Time per Meter BT m Category 5 Cable 1 112 Category 4 Cable 1 140 Category 3 Cable 1 140 Worst case delays taken from IEEE Std 802 3u 1995 actual delays may be less for a particular ca
8. the power budget of different fiber media installations the following equations should be used OPB Optical Power Budget P min Pp min where Pr Transmitter Output Power and Pg Receiver Sensitivity Worst case OPB OPB 1dB for LED aging 1dB for insertion loss Worst case distance Worst case OPB in dB Cable Loss in dB Km where the Cable Loss for 62 5 125 and 50 125um m m is 2 8 dB km and the Cable Loss for 100 140 multi mode is 3 3 dB km and the Cable Loss for 9 125 single mode is 0 5 dB km The following data has been collected from component manufacturer s HP s and Siemens web sites and catalogs to provide guidance to network designers and installers ww GarrettCom com Wag 37 Magnum 15E Media Converters Installation and User Guide 07 01 Fiber Speed Std km Wave Cable X mitr R cvr Worst Worst i i Port Mode fdx length Size Output Sens OPB distance OPB distance Module Std hdx n um Pr dB Pr dB dB Km fdx 15E 100Mb Multi 2 1 62 5 125 20 31 9 0 2 5 14 5 mode 0 4 50 125 23 5 31 5 5 20 12 4 m 300 MST MSC FX 100Mb Single 18 15E SSCL 100Mb Single 40 2 ebe e ala fos Long Reach FX mode Note The use of either multi mode or single mode fiber to operate at 100Mbps speed over long distances i e over approx 400 meters can be achieved only if the following factors are both applied T
9. the problem or condition causing the return cannot be duplicated by GarrettCom the unit will be returned as 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 53 Magnum 15E Media Converters Installation and User Guide 07 01 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 not pack the unit in Styrofoam popcorn type packing material This material may cause electro static shock damage to the unit 54 Magnum 15E Media Converters Installation and User Guide 07 01 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 Drive Fremont CA 94539 Attn Customer Service ww GarrettCom com 55 Magnum 15E Media Converters Installation and User Guide 07 01 APPENDIX A WARRANTY INFORMATION GarrettCom Inc warrants its products to be free from defects in
10. 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 within two weeks of purchase In the event there are items missing or damaged contact your supplier If you need to return the unit use the original shipping container Refer to Section 5 Troubleshooting for specific return procedures Magnum 15E Media Converters Installation and User Guide 07 01 2 2 Product Description Magnum 15E Fast Ethernet Media Converters offer a convenient and graceful way to convert and transmit data among twisted pair and fiber network cabling environments They allow the use of fiber media with full duplex devices such as Fast Ethernet Switching Hubs managed and unmanaged and may sometimes be used with shared half duplex Fast Ethernet segments as well They offer a compact cost effective way to adapt a pre existing Ethernet cabling configuration as network requirements change Magnum 15E Media Converters are designed for quick and easy installation even in very tight spaces Media cables are easily attached Magnum 15E Media Converters feature an up link switch on the TX port to eliminate the need for a special cross over cable when connecting the TX port to a hub or concentrator Because of their compact size Magnum Media Converters can be Velcro mounted on an office wall or the side of a desk or cabinet The external power supply plugs into a nearby AC
11. wall www GarrettCom com Waaa 8 Magnum 15E Media Converters Installation and User Guide 07 01 socket or power strip Each converter features a full set of LEDs that convey essential diagnostic and status information See Section 4 1 LED Indicators for specific LED function information Magnum 15E Media Converters are designed to provide low temperature operation over an extended period to make them some of the most reliable in the industry Their high strength fabricated metal packaging shields against Radio Frequency Interference RFI and Electromagnetic Interference EMI avoiding interference with other nearby electronic devices The Magnum 15E units comply with the IEEE 802 3u 100BASE TX and 100BASE FX specification for 100 Mb sec traffic via shielded STP or unshielded twisted pair UTP segments Magnum 15E Media Converters Installation and User Guide 07 01 The Magnum 15E ST and 15E Ipst Link Pass through models are equipped with one multi mode fiber ST and one RJ 45 connector for connection to 1OOBASE FX compliant Fast Ethernet network segments Twisted Pair Fiber Multi mode 100BASE TX 100BASE FX NG N ST type PWR LINK 15Es with ST integrates 100BASE TX and FX networks with fiber ST connectors 10 Magnum 15E Media Converters Installation and User Guide 07 01 The Magnum 15E SC and 15E sglm single mode are equipped with one fiber SC and one RJ 45 connector for connection to
12. 15E Media Converters Installation and User Guide 07 01 4 3 Up Link or Cross over Switch On TX port Magnum 15E Media Converters are equipped with an up link slide switch to accommodate switch or repeater to converter connections without a special cross over cable When set to the UP position the Magnum 15E Media Converter is wired for normal twisted pair connection to a user node device When set to the DOWN position X the Media Converter is wired with cross over functionality for direct up link to a network hub or concentrator Switch ports may be of either polarity and this feature is very convenient with switches accordingly 43 Magnum 15E Media Converters Installation and User Guide 07 01 Up link up link gt lt Switch user device End view Magnum 15E 44 Magnum 15E Media Converters Installation and User Guide 07 01 4 4 LINK Pass through feature models 15E Ipst The LINK Pass through feature is implemented in Magnum 15E s as a factory configuration option It is factory enabled and tested on models 15E Ipst When enabled it allows network devices to sense the LINK status from one end of the attached cables to the other Without the LINK Pass through option the two cable segments shown in the first figure are treated as two separate segments each with its own LINK status There are two LINK LED s one for the twisted pair status and the other for the fiber segment Wit
13. 1OOBASE FX compliant Fast Ethernet network segments Fiber Twisted Pair Multi or Single mode 100BASE TX 100BASE FX ZEE Z SC type LINK PWR 15Es with SC integrate 100BASE TX and FX networks with fiber SC connectors 11 Magnum 15E Media Converters Installation and User Guide 07 01 2 3 Features and Benefits m Reduces Network Costs Magnum 15E Media Converters offer an ideal solution to quickly and inexpensively connect Twisted Pair TX with Fiber FX segments Full duplex or Half duplex transparent operation 15Es can be used in full duplex fiber segments for distances up to 2Km for the multi mode model and up to 15Km for the single mode model E Low PDY for Maximum Cable Lengths in Shared Segments Magnum 15E Media Converters add signal timing delays of only 80 Bit Times in a shared half duplex segment less than a Class II Fast Ethernet Repeater 90 to 95 BT typical and can be used to attach fiber cables to TX ports with minimum distance loss in the overall collision domain ww GarrettCom com Cee 12 Magnum 15E Media Converters Installation and User Guide 07 01 Small Compact Lightweight Design Featuring a compact and lightweight metal case with an external power supply Magnum 15E Media Converters can be conveniently installed in minimal space on horizontal or vertical surfaces Full Complement of LEDs Each 15E Media Converter is equipped with a full complement of LEDs to pr
14. E EEEE ET Eo VEASE 5 1 Before Calling for Assistance 5 2 When Calling for Assistance siise isisisi pn niiair 5 3 Return Material Authorization RMA Procedure ccccccseesseeeseeesteeeseees 52 5 4 Shipping and Packaging Information 00 00 eeceeseeseesceeeeeeeeceeeneteeteeeaeeeees 54 APPENDIX A WARRANTY INFORMATION ccccccssscsssescsseeseeseceseecseesseneees 56 vl Magnum 15E Media Converters Installation and User Guide 07 01 Revisions Rev C 07 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 B 08 00 Changed the Power Budged calculations for Fiber Media Rev A 2 00 This revision is the initial release of the 15E Media Converters user manual vu Magnum 15E Media Converters Installation and User Guide 07 01 1 0 SPECIFICATIONS 1 1 Technical Specifications Performance Data Rate 100 Mb s Half or Full Duplex auto sensing 800ns 80 bit times Path Delay Value PDV for conversion delay Network Standards Fast Ethernet IEEE 802 3u 100BASE TX 100BASE FX 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 ww GarrettCom com 1 Magnum 15E Media Converters Installation and User Guide 07 01 Maximum Standard Fast Ethernet Segment Lengths 100BASE TX twisted pair 100
15. bited For rack mounting of media converters the Magnum MC TRAY is available Magnum 15E Media Converters Installation and User Guide 07 01 3 2 Calculating Segment Distances The media distance considerations are quite different for full duplex and for half duplex standard Fast Ethernet installations Each of these situations are covered below in a separate section 3 2 1 Segment Distances Full duplex Full duplex ports such as are found in switching hubs and some NICs can receive and transmit signals simultaneously and do not experience collisions accordingly There may be only two nodes present on a full duplex segment Media distance rules are not the same as for standard half duplex Fast Ethernet because collision distance limitations are not a factor Specifically fiber segments can be up to 2Km for multi mode and up to 15Km for single mode ww GarrettCom com Wag 19 Magnum 15E Media Converters Installation and User Guide 07 01 The Magnum 15E with full duplex operation as a standard feature can be used in these applications When installing the Magnum 15E in a full duplex segment it is important to consider the combined overall segment length of both of the attached media types The overall segment length is calculated by adding together the segment lengths on both sides of the Magnum 15E Media Converters The figure below illustrates how a Magnum Media Converter is used to connect a multi mode fiber 100BASE FX
16. ble Contact your cable supplier for exact cable specifications Each shared Fast Ethernet network device also has an associated BT delay Table 3 2 2b shows typical Fast Ethernet device components and the associated BT delay Note that there is only one DTE pair associated with any device to device path ww GarrettCom com Cee 26 Magnum 15E Media Converters Installation and User Guide 07 01 Table 3 2 2b Worst case round trip delay for Fast Ethernet device components 2 TX DTEs 2 FX DTEs 1 FX and 1 TX DTE 2 T4 DTEs 1 T4 and 1 TX or FX DTE Class I Repeater Class II Repeater with any combination of TX and FX ports Class II Repeater with T4 ports Worst case delays taken from IEEE Std 802 3u 1995 To determine whether a prospective network topology adheres to the collision domain diameter specification the following formula should be applied to the worst case ww GarrettCom com o Cee 27 Magnum 15E Media Converters Installation and User Guide 07 01 path through the network The worst case path is the path between the two Fast Ethernet devices DTEs which have the longest round trip delay time PDV sum of cabling delays sum of repeater amp media converter delays DTE pair delays safety margin PDV is the Path Delay Value of the worst case path For the network to adhere to IEEE 802 3u standard this value must be less than 512 BT The safety margin is specified in BT and may be a value betw
17. ble to the corresponding device ww GarrettCom com Waaa 33 Magnum 15E Media Converters Installation and User Guide 07 01 3 Use the LINK LED non Link pass through models to ensure proper connectivity by noting that the LED will be illuminated when the units are powered and proper connections established If the LINK LED is not illuminated change the setting of the up link switch See Section 4 4 for up link switch information If this does not help ensure that the cable is connected properly at both ends and is not defective 4 For the 15E Ipst model with the Link Pass through feature the two LINK LEDs operate together and either both LEDs are lit or neither is lit Both of the attached cables must be operable for LINK to be indicated Absence of LINK does not point to the problem cable segment and the fault may be in either 34 Magnum 15E Media Converters Installation and User Guide 07 01 3 3 2 Connecting Fiber Optic 100BASE FX Type ST and SC The following procedure applies to 1OOBASE FX applications using the Magnum 15E Media Converter with ST type twist lock and SC type snap in fiber connectors 1 2 Before connecting the fiber optic cable remove the protective dust caps from the tips of the connectors on the Magnum 15E Save these dust caps for future use 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 bef
18. e 510 438 9071 Fax 510 438 9072 Web http www GarrettCom com Email support garrettcom com iii Magnum 15E Media Converters Installation and User Guide 07 01 Federal Communications Commission 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 iv Magnum 15E Media Converters Installation and User Guide 07 01 TABLE OF CONTENTS Page 1 0 SPECIFICATIONS upan BANA ie av che Ge ee as a 1 1 1 Technical Specifications sicsscssscssccasiiciscssdsasscasssisvessszavaivesdvosedessesatueatuetetessen 1 122 Ordering Information sro rA AAE ERNE animes 5 2 0 INTRODUCTION ie sicteiccscedessiie chines aie ice nition ate cone 6 2 1 Inspecting the Package and Product tie ce ececeeseseseeeseeseeeeeeeeeseeteeseeeeaeeaee 6 2 2 Produc
19. ed by a pair of Magnum 15Es on each end can be obtained that will interconnect two 100Mb hubs where the twisted pair cables to the user nodes are 10 meters in length The solution is 512 total available Bit Times in a collision domain diameter minus 100 BT for two DTEs on each end leaves 412 BTs minus 180 BT for two Class II repeaters leaves 232 BTs minus 20 BT for two 10 meter TP cables for hubs to users leaves 212 BTs minus 10 BT for two short TP cables from the hubs to 15E s leaves 202 BTs minus 160 BT for two Magnum 15Es leaves 42 BTs for fiber cable www GarrettCom com Wag 30 Magnum 15E Media Converters Installation and User Guide 07 01 which indicates a fiber cable length of about 40 meters It is obvious that using twisted pair wiring to connect the hubs would enable the interconnect length to be the 100 meters maximum for twisted pair media and this would still leave about a hundred BTs as a safety margin In other words use of 15Es and fiber in this case did not gain allowable maximum cable distance vs TP cable without the 15Es Consider a more typical use of Magnum 15Es in a shared Fast Ethernet segment A stack of Fast Ethernet hubs comprises the only repeater in the collision domain and the users and servers in the local workgroup are each connected via Category 5 twisted pair cable a maximum of 30 meters 100 ft in length It is desired to connect one remote user with a fiber NIC via fiber cable usin
20. een 0 and 5 This margin can be used to accommodate unexpected delays such as an extra long patch cable A safety margin of at least 4 BT is recommended 28 Magnum 15E Media Converters Installation and User Guide 07 01 Rules of thumb Collision Domain Calculations Rules of thumb while inexact may be helpful in planning network topology As a rule of thumb a Class II Repeater has a PDV of about 90 to 95 BTs and twisted pair or fiber media has a PDV of about 1 BT per meter of length The Magnum 15E has a PDV of 80 BT Therefore in shared Fast Ethernet applications the 15E uses about 80 meters of equivalent cable distance to convert from TX media to fiber FX media i e it consumes almost as much of the available PDV as a Class II repeater Since a 512BT collision domain will almost always include at least one repeater and two media segments the remaining amount of Bit Times left after allowing for a 15E and a length of fiber media indicates that the available fiber length will be much less than the 412 meters that is the known maximum for fiber Therefore in shared environments Magnum 15E www GarrettCom com 29 Magnum 15E Media Converters Installation and User Guide 07 01 Media Converters will be of benefit when they allow the use of fiber media but not to gain distance by facilitating use of fiber media instead of twisted pair As a sample calculation consider the question of what fiber cable distance connect
21. eo GarrettCom Industrial Networking at Its Best Magnum 15E Fast Ethernet Media Converters Including SC and ST ports full half duplex mm and sgl mode standard and Link Pass through models Magnum 15E Media Converters Installation and User Guide 07 01 Magnum 15E Media Converters Installation and User Guide Part 84 00041 Rev C 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 i Magnum 15E Media Converters Installation and User Guide 07 01 Important Magnum 15E Media Converters contain no user serviceable parts Attempted service by unauthorized personnel shall render any and all warranties null and void If problems are experienced with a Magnum 15E Media Converters consult Section 5 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 Magnum 15E Media Converters Installation and User Guide 07 01 Contacting GarrettCom Inc Please use the following mailing address phone and fax numbers or Internet address GarrettCom Inc 47823 Westinghouse Drive Fremont CA 94539 Phon
22. g a Magnum 15Es in the circuit How long can the fiber cable be www GarrettCom com Waaa 31 Magnum 15E Media Converters Installation and User Guide 07 01 The solution is 512 total available Bit Times in a collision domain diameter minus 100 BT for two DTEs on each end leaves 412 BTs minus 90 BT for one Class II stackable repeater leaves 322 BTs minus 30 BT for one 30 meter TP cable from hub to user node leaves 292 BTs minus 5 BT for a short TP cable from the hub to 15E leaves 287 BTs minus 80 BT for one Magnum 15E leaves 207 BTs for fiber cable which indicates a fiber cable length of about 200 meters 32 Magnum 15E Media Converters Installation and User Guide 07 01 3 3 Connecting Ethernet Media Connecting Ethernet media to the Magnum 15E Media Converter is very simple and straightforward Using a properly terminated media segment simply attach the cable end to the appropriate connector See Sections 4 2 and 4 3 for a description of the LEDs 3 3 1 Connecting Twisted Pair RJ 45 standard and Link Pass through models The following procedure describes how to connect a 1 OOBASE TX twisted pair segment to the RJ 45 port on the Magnum 15E Media Converters The procedure is the same for both unshielded and shielded twisted pair segments 1 Using standard 100BASE TX media insert either end of the cable with an RJ 45 plug into the RJ 45 connector of the Magnum 15E Media Converter 2 Connect the other end of the ca
23. h LINK Pass through as shown in the second figure the two attached cables one TP and one fiber are treated as one link segment The Magnum 15E is transparent and devices at both ends of the cables see through the 15E for LINK status The 15E passes the same LINK status from one side to the other Two LINK LED s represent end to end connection and are both ON LINK ready or both OFF ww GarrettCom com 45 Magnum 15E Media Converters Installation and User Guide 07 01 NOTE See Section 3 4 for jumper settings for LINK Pass through in case there is a need to check the settings to confirm the operating configuration Without LINK Pass Through normal configuration LINK Segment 2 for each Cable Segment OF af Without LINK Pass through the 15E treats both link segments separately wih LINK LED info for each ww GarrettCom com 46 Magnum 15E Media Converters Installation and User Guide 07 01 With LINK Pass through Model 15E lpst sometimes used with managed networks One LINK segment Magnum 15E Media Converter Two LINK LED s both A ON or both OFF o A La With LINK Pass Through the unit treats both link segments as one with common LINK LED status The Media Converter is transparent Magnum 15E Media Converters Installation and User Guide 07 01 5 0 TROUBLESHOOTING All Magnum Ethernet products are designed to provide reliability and consistently high performance in
24. he 100Mb fiber segment must operate in full duplex FDX mode i e a switch or equal external unit such as a FDX NIC must be used and The worst case OPB of the fiber link must be greater than the fiber cable s passive Attenuation e Attenuation Cable loss LED aging loss Insertion loss safety factor Magnum 15E Media Converters Installation and User Guide 07 01 3 4 Link Pass through models The Link Pass through feature is normally factory installed and tested and available on model 15E Ipst For information the internal selection and configuration of the Link Pass through feature is shown in Figure 3 4 below For a description of operation of the Link Pass through feature see Section 4 4 of this manual 39 Magnum 15E Media Converters Installation and User Guide 07 01 Jumper Settings for Link Pass through see Section 4 4 for description TX Port Jumper setting for Link Pass BESS 7 Jumper J5 Standard default 12 Link Pass 23 J6 12 23 Note Both jumpers J5 and J6 must be set to 2_3 postion for Link Pass FX Port Figure 3 4 Internal jumper settings on 15E for Link Pass through operation 40 Magnum 15E Media Converters Installation and User Guide 07 01 4 0 OPERATION This section describes the operation of the Magnum 15E Media Converters including power supply requirements up link switch functionality and a description of all
25. isted pair to fiber ST single mode ext 230 vac 50 Hz PS Twisted pair to fiber ST single mode 40km Long Reach external 115vac 60 Hz Power Supply TP to mm fiber ST w Link Pass through ext 115vac 60Hz PS TP to mm fiber ST w Link Pass through ext 230vac 50Hz PS GarrettCom Inc reserves the right to change specifications performance characteristics and or model offerings without notice 5 Magnum 15E Media Converters Installation and User Guide 07 01 2 0 INTRODUCTION This section describes the Magnum 15E Fast Ethernet Media Converters 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 15E Media Converter unit 1 External Power Supply either 115 vac 60 Hz or 230 vac 50 Hz www GarrettCom com 3 3 8 6 Magnum 15E Media Converters Installation and User Guide 07 01 1 Set of two 2 metal mounting clips with screws 1 Velcro Tape section approximately 3 inches in length 1 User Guide this manual and Product Registration Card Remove the Magnum 15E Media Converter from the shipping container Be sure to keep the shipping container should you need
26. m 328 ft 100BASE FX Fiber optic half duplex multi mode 412 m 1350 ft 100BASE FX Fiber optic full duplex multi mode 2 0 km 6 562 ft 100BASE FX Fiber optic half duplex single mode 412 m 1350 ft 100BASE FX Fiber optic full duplex single mode 18 0 km 49 215 ft 100BASE FX Long Reach Fiber optic full duplex single mode 40 0 km 132k ft Note Magnum 15E Media Converters DO NOT support full length shared Fast Ethernet segments See Section 3 2 of this manual for media lengths and shared segment distance calculations Power Supply External Power Input 95 125 vac at 60 Hz for d Models 100 240 vac at 50 60 Hz for i Models which have IEC power cable connector Power Consumption 5 watts max for the unit www GarrettCom com 2 Magnum 15E Media Converters Installation and User Guide 07 01 Connectors RJ 45 Port Modular 8 Pin female with cross over up link switch Multi mode Fiber Port SC type snap in Fiber optic multi mode 1OOBASE FX Fiber Port ST type twist lock Fiber optic multi mode 1OOBASE FX Single mode Fiber Port SC type snap in Fiber optic single mode 100BASE FX Packaging Enclosure High strength sheet metal Dimensions 3 0 in H x 3 5 in W x 1 0 in D 7 6 cm x 8 9 cm x 2 5 cm Power Supply 2 0 in x 2 0 in x 1 5 in 5 1 cmx 5 1 cm x 3 8 cm Weight 9 5 0z 275 gr Power Supply 16 oz 455 gr www GarrettCom com 3 Magnum 15E Media Converters Installation and User
27. 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 ww GarrettCom com Cee 56
28. o percentages 75 10 is 85 which is allowable Note 1 Where more than one media converter is used in one segment run the percentages for all of the cabling lengths in the run must be added together and must not exceed 100 In another instance a Magnum Media Converter is used to connect a single mode fiber 1OOBASE FX with a twisted pair 100BASE T segment In this example the length of fiber Segment X is 8500m 27 880 ft This is 57 of the maximum allowable distance for single mode 100BASE FX fiber full duplex media 15 000 m 57 15 000 x 100 57 The length of twisted pair Segment Y is 12m 40 ft 23 Magnum 15E Media Converters Installation and User Guide 07 01 This is 12 of the maximum allowable distance for 100BASE TX full duplex twisted pair media 100 m 12 100 x 100 12 The total of the two percentages 57 12 is 69 which is allowable 3 2 2 Segment Distances Half duplex Fast Ethernet shared bandwidth devices operate with multiple nodes in a traffic domain When a node attempts to send a packet it may hit another packet passing by i e a collision may occur This is normal and does not cause a problem because the Ethernet protocol provides for this situation and requires that the sender wait and try again When installing the Magnum 15E in a half duplex segment it is important to consider the collision domain of the segment including the 15E itself repeaters and hubs present and the lengths
29. ore connecting Note One strand of the duplex fiber optic cable is coded using color bands at regular intervals you must use the color coded strand on the associated ports at each end of the fiber optic segment Connect the Transmit TX port light colored post on the Magnum 15E to the Receive RX port of the remote device Begin with the color coded strand of the cable for this first Transmit to Receive connection Connect the Receive RX port dark colored post on the 15E to the Transmit TX port of the remote device Use the non color coded fiber strand for this 35 Magnum 15E Media Converters Installation and User Guide 07 01 5 The LINK LED corresponding to the fiber port on the front of the product will illuminate for standard non Link Pass through models when a proper connection has been established at both ends and when power is ON in the units at each end If LINK is not lit after cable connection the normal cause is improper cable polarity Swap the fiber cables on the product connector to remedy this situation 6 For the Link Pass through model 15E Ipst connection is the same except that the LINK indication will not be present unless LINK is made for the cables on both sides 36 Magnum 15E Media Converters Installation and User Guide 07 01 3 3 3 Power Budget Calculations for Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget To calculate
30. ovide network LINK status on each port separately and to indicate power on the unit Highly Reliable and Dependable Magnum 15E Media Converters are based on a robust design and are packaged in a metal enclosures to ensure high reliability and durability 13 Magnum 15E Media Converters Installation and User Guide 07 01 2 4 Applications The primary function of a Magnum 15E Media Converter is to permit two different media types to coexist within the same network by allowing data to be transmitted and received between different media types Magnum 15Es are typically used where new 100MB switching hubs with RJ 45 ports are being installed and where full duplex fiber segments of up to 2Km for multi mode or 15Km for single mode are needed to interconnect them with other 100Mb switching hubs in distant wiring closets Alternatively a server with a full duplex NIC needs to be connected via fiber to a 100Mb switching hub with RJ 45 ports In these and similar situations the Magnum 15E conveniently converts the twisted pair cable to fiber allowing use of any available RJ 45 Fast Ethernet switched port with a new or existing fiber cable See Section 3 2 1 for cable distance calculation information ww GarrettCom com Waa 14 Magnum 15E Media Converters Installation and User Guide 07 01 100 BASE FX wiring segment 100 BASE TX wiring segment 100 BASE TX wiring segment Magnum 15E Media Conve
31. rters Installation and User Guide 07 01 Where shared Fast Ethernet segments are used such as with Fast Ethernet hubs with RJ 45 ports it may be desirable to connect one or more servers or users via fiber cable It is necessary to calculate the PDV of the overall collision domain see Section 3 2 2 for proper operation when the 15E is used in shared half duplex applications 100 BASE TX 15E 100 PASTE iri Wiring segmen wiring segment g seg Magnum 15E Media Converters Installation and User Guide 07 01 3 0 INSTALLATION This section describes the installation of the Magnum 15E Media Converters including location segment distance calculation and media connection 3 1 Locating the Media Converter Unit The compact and lightweight design of the Magnum 15E Media Converter allows it to be easily installed in most any location A Velcro strip and a set of two metal clips and screws are included either may be used for mounting the unit on a vertical surface such as a wall or cabinet or for securing the unit on a table top or shelf The installation location is dependent upon the R Secure attachment of mounting physical layout of the Ethernet network and clips for wall mounting associated cabling Make sure the unit is 17 Magnum 15E Media Converters Installation and User Guide 07 01 installed in a location that is easily accessible to an AC power outlet or power strip and where convection cooling is not inhi
32. t DeSCripttOn siisissscisisesscasssesecssesesuesizsasaaacyscveedeasdoasves says UG KANAN 8 2 3 Features and Benefits naa BANA sataceesdvveties ozaststaveadsiasssastsespeasiiass 12 DA A ppliCath ONS erris ernn easensessisaznevaieasceascoeeaes I RRISE 14 JOINS TALLA TION nana NANANA NG AN BINAN EE EE ERER 17 3 1 Locating the Media Converter Unit ssseseseseeesesrsrerereresssesrsrerrrrrsrerererse 17 3 2 Calculating Segment Distance ice eeeeseeseeseeeeseeeeeeeeeeseeetsetaeeeeeeees 19 3 2 1 Calculating Overall Segment Distance full duplex 0 cee 19 3 2 2 Calculating Overall Segment Distance half duplex 24 3 3 Connecting Fast Ethernet Media sssssssssssrersrsesssrsrsesescsssesessosreresessserersesessre 33 3 3 1 Connecting Twisted Pair RJ 45 TX 33 Magnum 15E Media Converters Installation and User Guide 07 01 TABLE OF CONTENTS CONTINUED ceeceeeceseseeseeeeeeeetseeeeeees Page 3 3 3 Power Budget calculations for Fiber media ote eee eee 37 3 4 Link Pass through models factory jumper settings s s s 39 4 0 OPERATION 4 1 Power Requirements Power Supply Types 4 2 Front Panel LEDS cosccssdsssisssesesscssdecnsescesesssssesssososscssssosscostves saasavessessueaasees 4 3 Up Link Switch on TX port wo ceeeeceeceeceeenecseeseeseeeesaeeeseesseseeseeaeeees 4 4 Link Pass through Models cccceccssseeseeseceeeseeeseeeceaeeeeeeseceeeeaeeeseeseeeaeeeees 3 0 TROUBLESHOOTING oerke esi ra ea aE E
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