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Magnum14E Media Converters Installation and User Guide (10/02)

www GarrettCom com

5.0

TROUBLESHOOTING

All Magnum Ethernet products are designed to provide reliability and consistently

high performance in all network environments. The installation of Magnum 14E Media

Converters 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 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 14E Media Converters is not performing as

expected, do not attempt to repair the unit; instead contact your supplier for assistance or

contact GarrettCom Customer Support.

Summary of Contents for Magnum 14E

Page 1: ...c 213 Hammond Ave Fremont CA 94539 Phone 510 438 9071 Fax 510 438 9072 Website http www GarrettCom com email support garrettcom com Magnum 14E Fast Ethernet Media Converters Including SC ST and MTRJ p...

Page 2: ...lation and User Guide Part 84 00065 Rev E Trademarks Ethernet is a trademark of Xerox Corporation NEBS is a trademark of Telcordia Technologies UL is a registered trademark of Underwriters Laboratorie...

Page 3: ...ice by unauthorized personnel shall render all warranties null and void If problems are experienced with Magnum 14E Media Converters consult Section 5 Troubleshooting of this User Guide Copyright 2001...

Page 4: ...ttCom com Contacting GarrettCom Inc Please use the mailing address phone and fax numbers and email address listed below GarrettCom Inc 47823 Westinghouse Drive Fremont CA 94539 Phone 510 438 9071 Fax...

Page 5: ...se 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: ...Product Description 9 2 3 Features and Benefits 14 2 4 Applications 16 3 0 INSTALLATION 20 3 1 Locating the Media Converter Unit 20 3 2 MC14 TRAY for Rack mounting the Magnum 14E 21 3 3 MC14 TR PS9 MC...

Page 7: ...RJ type Small Form Factor Snap In 43 4 0 OPERATION 44 4 1 Power Requirements Power Supply Types 44 4 2 Dual LEDs Front and Side Indicators 45 4 3 Up Link Switch on TX port 46 4 4 Manual AN reg auto ne...

Page 8: ...19 Rack mount with Power Supply added in this revision Rev C 04 01 Change the company name to GarrettCom Inc Formerly it was Garrett Communications There are no changes to the content of the material...

Page 9: ...100 Mb s Half or Full Duplex transparent F H auto negotiation supported 200ns 20 bit times Path Delay Value PDV for conversion delay Network Standards Fast Ethernet IEEE 802 3u 100BASE TX 100BASE FX...

Page 10: ...full duplex single mode 25 km 66k ft 100BASE FX Long Reach Fiber optic full duplex single mode 40 km 132k ft Note Magnum 14E Media Converters DO NOT support full length shared Fast Ethernet segments...

Page 11: ...auto negotiation support or for regular operation See Section 4 4 Fiber multi mode up to 2Km SC type snap in Fiber optic multi mode 100BASE FX ST type twist lock Fiber optic multi mode 100BASE FX MT...

Page 12: ...x 2 0 in x 1 5 in 5 1 cm x 5 1 cm x 3 8 cm Weight 4 6 oz 130 gr Power Supply 1 0 lb 455 gr LED Indicators for the Magnum 14E Dual on front and on end PWR Indicates unit is receiving DC power Note Magn...

Page 13: ...port Steady ON when the attached cable segments are operational at their respective other ends RX ACT Activity blinking indicates port is receiving Agency Approvals UL Listed UL 1950 cUL CE Certified...

Page 14: ...PS Magnum 14E MT RJ i Same as Magnum 14E MT RJ but with ext 230 vac 50 Hz PS Magnum 14E SSC d Twisted pair to fiber SC single mode std 25Km ext 230vac 50 Hz PS Magnum 14E SSC I Same as Magnum 14E SSC...

Page 15: ...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 16: ...from the shipping container Be sure to keep the shipping container should you need to store or to ship the unit at a later date To validate the product warranty please complete and return the enclose...

Page 17: ...r support of N way auto negotiating switches a manual AN reg switch on the Magnum 14E allows the user to manually enable either a AN for auto negotiation where the 14E transmits applicable auto negoti...

Page 18: ...Each 14E Media Converter features a two full sets front and side of LEDs that convey essential status information in any mounting arrangement See Section 4 1 LED Indicators for LED function informati...

Page 19: ...eature is especially desirable for use in managed networks and is standard in all 14E s Magnum 14E ST models are equipped with one multi mode fiber ST and one RJ 45 connector for connection into 100BA...

Page 20: ...mode Long Reach 40Km are equipped with one fiber SC type port and one RJ 45 port for connection into 100BASE FX and 100BASE TX compliant Fast Ethernet network segments 14Es with SC integrate 100BASE...

Page 21: ...X and 100BASE TX compliant Fast Ethernet network segments The SFF MT RJ connector is keyed so that it can only be connected when the two fiber strands are correctly positioned for transmit and receive...

Page 22: ...to negotiation support Magnum 14E s support both full duplex and half duplex mode transparently and are suited for use with 100Mb Ethernet switches supporting or not supporting auto negotiation Low PD...

Page 23: ...s of LEDs for viewing status from any angle Each 14E Media Converter is equipped with a two sets front side of LEDs to provide status information when viewed at any angle or mounting arrangement rack...

Page 24: ...nt where auto negotiation is a primary concern for the attached devices They also support 100Mb half duplex or full duplex mode transparent Because of its auto negotiation feature the Magnum 14E suppo...

Page 25: ...Magnum 14E s provide connectivity for 100Mbps switches or hubs via fiber Magnum 14E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 100 BASE TX wiring segment 1 2 3 4 5 6 7 8 9 10 11 1...

Page 26: ...Ethernet segments are used such as with Fast Ethernet switches or switching hubs with RJ 45 ports it may be desirable to connect one or more servers or users via fiber cable Because of its manual AN...

Page 27: ...on the copper port Magnum 14E Media Converter TX RX 9VDC 3AMP UP LINK Link RX ACT RX ACT Link Pwr FIBER TWISTED PAIR Link Rx Act Link An FF Act Fiber 100BASE FX 100 BASE TX wiring segment 1 2 3 4 5 6...

Page 28: ...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 f...

Page 29: ...Media Converters For 19 rack mounting of Magnum 14E Media Converter a rack mount tray is available MC14 TRAY The Media Converter units are mounted with their DC power jack in the back and with the RJ...

Page 30: ...10Mb 14 series and the 14E and do not permit other models or other sizes to be put in the tray A typical installation of the model MC14 TRAY 19 rack mount tray will hold a few often three to eight 14...

Page 31: ...in 19 rack mount tray These models comes with built in common universal AC power supply rated at 55 watts at 50C ambient 9VDC output and supporting up to 10 MC for MC14 TR PS9 and 16 units of Fiber me...

Page 32: ...a few 100Mbps 14E Media Converters each with their power input plugged into the built in common AC power supply in the rear area of the tray PS units that come with the MC s are not used Metal mounti...

Page 33: ...lculate the power budget of different fiber media installations the following equations should be used OPB Optical Power Budget PT min PR min where PT Transmitter Output Power and PR Receiver Sensitiv...

Page 34: ...2 0 4 1300 62 5 125 50 125 20 23 5 31 31 9 0 5 5 2 5 2 0 14 12 5 4 14E SSC 100Mb FX Single mode 25 0 4 1300 9 125 15 31 14 28 17 5 35 14E MTRJ 100Mb FX Multi mode 2 0 4 1300 62 5 125 50 125 20 23 5 3...

Page 35: ...y factor 3 3 2 Segment Distances Full duplex for copper media RJ 45 and fiber Full duplex ports such as copper are found in switching hubs and some NICs can receive and transmit signals simultaneously...

Page 36: ...the attached media types The overall segment length is calculated by adding together the segment lengths on both sides of the Magnum 14E Media Converters The figure below illustrates how a Magnum Medi...

Page 37: ...l duplex X Y 100 Where X The segment distance on one side of the Magnum 14E Media Converter divided by the Standard Maximum Media Distance for that media type x 100 Where Y The segment length on the o...

Page 38: ...ti mode 100BASE FX fiber full duplex media 2000 m 75 2000 x 100 75 The length of twisted pair Segment Y is 10m 33 ft This is 10 of the maximum allowable distance for 100BASE TX full duplex twisted pai...

Page 39: ...is used to connect a single mode fiber 100BASE 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 fo...

Page 40: ...problem because the Ethernet protocol provides for this situation and requires that the sender wait and try again When installing the Magnum 14E in a half duplex segment it is important to consider t...

Page 41: ...as a PDV of about eighty Bit Times 20 BT and this value must be included in the overall collision domain diameter PDV calculations as applicable for the placement of the 14E in the topology of the col...

Page 42: ...2 Category 5 Cable 1 112 Category 4 Cable 1 140 Worst case delays taken from IEEE Std 802 3u 1995 actual delays may be less for a particular cable Contact your cable supplier for exact cable specifica...

Page 43: ...nd 1 TX DTE 100 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 Worst case delays taken from IEEE Std 802 3u 1995 To determine whether a p...

Page 44: ...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...

Page 45: ...o media segments the remaining amount of Bit Times left after allowing for a 14E and a length of fiber media indicates that the available fiber length will be much less than the 412 meters that is the...

Page 46: ...or hubs to users leaves 212 BTs minus 10 BT for two short TP cables from the hubs to 14E s leaves 202 BTs minus 40 BT for two Magnum 14Es leaves 162 BTs for fiber cable which indicates a fiber cable l...

Page 47: ...0 meters 100 ft in length It is desired to connect one remote user with a fiber NIC via fiber cable using a Magnum 14Es in the circuit How long can the fiber cable be The solution is 512 total availab...

Page 48: ...bes how to connect a 100BASE TX twisted pair segment to the RJ 45 port on the Magnum 14E Media Converters The procedure is the same for both unshielded and shielded twisted pair segments 1 Using stand...

Page 49: ...Fiber Optic 100BASE FX Type ST and SC MM and Sgl M The following procedure applies to 100BASE FX applications using the Magnum 14E Media Converter with ST type twist lock and SC type snap in fiber con...

Page 50: ...er port on the front of the product will illuminate 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 t...

Page 51: ...sitioned 3 Insert the male MT RJ part into the female MT RJ port This connection is keyed so that it only goes in one way aligning the fiber pair for transmit and receive 4 The LINK LED corresponding...

Page 52: ...ed 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 1...

Page 53: ...iving DC power Note Magnum 14E has Link Pass through feature see Section 4 5 LINK Fiber port Steady ON when both attached cable segments are operational at their respective other ends blinking when re...

Page 54: ...peater to converter connections without a special cross over cable When set to the straight position the Magnum 14E Media Converter is wired for normal twisted pair connection to a user node device Wh...

Page 55: ...the user to manually select either a Auto Negotiation support to send Fast Link Pulses FLP s to the attached device or b reg mode for regular or normal operation In all cases the unit functions at bot...

Page 56: ...ooses the AN position to determine that the device on the other end of the fiber cable is in fact capable of full duplex operation If it is not choose the reg position and do not advertise full duplex...

Page 57: ...Magnum14E Media Converters Installation and User Guide 10 02 49 www GarrettCom com Figure 4 4 End View of the 100Mb Magnum 14E Media Converter End view Up link Switch up link user device AN reg...

Page 58: ...network devices attached to the RJ 45 port to sense the LINK status of the attached copper cable along with the devices attached to both ends When LINK is ON for the copper cable that status is passe...

Page 59: ...LINK LED on the fiber port to blink rapidly to indicate there is a LINK problem elsewhere If LINK Receive is invalid on the fiber side LINK will be OFF on Fiber and ON for copper because the Pass thr...

Page 60: ...e 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 p...

Page 61: ...d 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 14E Media Converter unit Be...

Page 62: ...roblem 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...

Page 63: ...rrettCom 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 num...

Page 64: ...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 65: ...d 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 m...

Page 66: ...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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