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GarrettCom Magnum 14E-SSCL-d, Installation And User Manual

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GarrettCom Magnum 14E-SSCL-d Installation And User Manual Download Page 36

Magnum 15E Media Converters

Installation and User Guide (07/01)

28

www  GarrettCom  com

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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 & 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 between 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.

Summary of Contents for Magnum 14E-SSCL-d

Page 1: ...www GarrettCom com Magnum 15E Fast Ethernet Media Converters Including SC and ST ports full half duplex mm and sgl mode standard and Link Pass through models...

Page 2: ...llation 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 Laboratori...

Page 3: ...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 2...

Page 4: ...rrettCom com Contacting GarrettCom Inc Please use the following mailing address phone and fax numbers or Internet address GarrettCom Inc 47823 Westinghouse Drive Fremont CA 94539 Phone 510 438 9071 Fa...

Page 5: ...use 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...

Page 6: ...duct 6 2 2 Product Description 8 2 3 Features and Benefits 12 2 4 Applications 14 3 0 INSTALLATION 17 3 1 Locating the Media Converter Unit 17 3 2 Calculating Segment Distance 19 3 2 1 Calculating Ove...

Page 7: ...ctory jumper settings 39 4 0 OPERATION 41 4 1 Power Requirements Power Supply Types 41 4 2 Front Panel LEDs 42 4 3 Up Link Switch on TX port 43 4 4 Link Pass through Models 45 5 0 TROUBLESHOOTING 48 5...

Page 8: ...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...

Page 9: ...rmance 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 Envi...

Page 10: ...ngle 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 N...

Page 11: ...Fiber optic multi mode 100BASE FX Fiber Port ST type twist lock Fiber optic multi mode 100BASE FX Single mode Fiber Port SC type snap in Fiber optic single mode 100BASE FX Packaging Enclosure High str...

Page 12: ...h 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 f...

Page 13: ...vac 60Hz power supply Magnum 15E ST i Twisted pair to mm fiber ST ext 230 vac 50Hz power supply Magnum 15E sglm d Twisted pair to fiber SC single mode ext 115 vac 60 Hz PS Magnum 15E sglm i Twisted p...

Page 14: ...ing 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 I...

Page 15: ...verter 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 Prod...

Page 16: ...st 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...

Page 17: ...rters 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 Ra...

Page 18: ...are equipped with one multi mode fiber ST and one RJ 45 connector for connection to 100BASE FX compliant Fast Ethernet network segments Twisted Pair 100BASE TX Fiber Multi mode ST type GARRETT LINK L...

Page 19: ...equipped with one fiber SC and one RJ 45 connector for connection to 100BASE FX compliant Fast Ethernet network segments 15Es with SC integrate 100BASE TX and FX networks with fiber SC connectors Twis...

Page 20: ...ansparent 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 Low PDV for Maximum Cable Lengths in Shared...

Page 21: ...e 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 provide network LINK status...

Page 22: ...ts 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 closet...

Page 23: ...vity for switched 100Mb hubs via fiber 15E 1 2 3 4 5 6 7 8 9 10 11 12 100 BASE TX wiring segment 1 2 3 4 5 6 7 8 9 10 11 12 GARRET T LINK L INK PWR Magnum15E Media Converter 100 Mb s UP LINK GARRET T...

Page 24: ...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 Magnum 15E provides connectivity to ser...

Page 25: ...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 mo...

Page 26: ...d User Guide 07 01 18 www GarrettCom com installed in a location that is easily accessible to an AC power outlet or power strip and where convection cooling is not inhibited For rack mounting of media...

Page 27: ...rate 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 ac...

Page 28: ...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 Med...

Page 29: ...l duplex X Y 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 o...

Page 30: ...egment Y 10m 33ft Segment X 1500m 4920ft Connectivity between 100BASE TX and 100BASE FX Ethernet Media In the example figure shown above the length of fiber Segment X is 1500m 4920 ft This is 75 of th...

Page 31: ...un 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 100BASE...

Page 32: ...evices 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...

Page 33: ...re 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...

Page 34: ...ter BT m Fiber Optic 1 000 Shielded TP cable 1 112 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...

Page 35: ...100 2 FX DTEs 100 1 FX and 1 TX DTE 100 2 T4 DTEs 138 1 T4 and 1 TX or FX DTE 127 Class I Repeater 140 Class II Repeater with any combination of TX and FX ports 92 Class II Repeater with T4 ports 67 W...

Page 36: ...of cabling delays sum of repeater 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...

Page 37: ...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 P...

Page 38: ...agnum 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...

Page 39: ...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...

Page 40: ...0 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...

Page 41: ...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 100BASE TX twisted pair segment to the RJ 4...

Page 42: ...nated 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...

Page 43: ...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 co...

Page 44: ...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...

Page 45: ...al Power Budget PT min PR min where PT Transmitter Output Power and PR Receiver Sensitivity Worst case OPB OPB 1dB for LED aging 1dB for insertion loss Worst case distance Worst case OPB in dB Cable L...

Page 46: ...0 4 1300 9 125 15 31 14 28 17 5 35 15E SSCL Long Reach 100Mb FX Single mode 40 0 4 1300 9 125 5 34 27 54 32 5 65 Note The use of either multi mode or single mode fiber to operate at 100Mbps speed ove...

Page 47: ...e Link Pass through feature is normally factory installed and tested and available on model 15E lpst For information the internal selection and configuration of the Link Pass through feature is shown...

Page 48: ...Link Pass through see Section 4 4 for description Figure 3 4 Internal jumper settings on 15E for Link Pass through operation 1 J6 1 J5 TX Port FX Port Jumper Standard default Link Pass J5 1_2 2_3 J6 1...

Page 49: ...d 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...

Page 50: ...E 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 Illuminate...

Page 51: ...r 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 t...

Page 52: ...Magnum 15E Media Converters Installation and User Guide 07 01 44 www GarrettCom com End view Magnum 15E Up link Switch up link user device...

Page 53: ...s 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 ot...

Page 54: ...n Without LINK Pass Through normal configuration GARRETT LINK LINK PWR Magnum 15E Media Converter 100 Mb s UP LINK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 1...

Page 55: ...hrough the unit treats both link segments as one with common LINK LED status The Media Converter is transparent GARRETT LINK LINK PWR Magnum 15E Media Converter 100 Mb s UP LINK 1 2 3 4 5 6 7 8 9 10 1...

Page 56: ...ration 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 proble...

Page 57: ...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 installat...

Page 58: ...placed 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...

Page 59: ...ation 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...

Page 60: ...arrettCom 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 nu...

Page 61: ...paired 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 Garrett...

Page 62: ...se 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 Yo...

Page 63: ...tCom com 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 Gar...

Page 64: ...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...

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