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GarrettCom Magnum 15E Installation And User Manual

Garrettcom magnum 15e fast ethernet media converters
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Magnum 15E Fast Ethernet
Media Converters
(Including SC and ST ports, full/half duplex, mm and sgl. mode, standard and Link Pass-through models)
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  • Page 1 Magnum 15E Fast Ethernet Media Converters (Including SC and ST ports, full/half duplex, mm and sgl. mode, standard and Link Pass-through models) www GarrettCom com...
  • Page 2 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. www GarrettCom com...
  • Page 3 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.
  • Page 4 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 Phone: 510.438.9071 Fax: 510.438.9072 Web: http://www.GarrettCom.com Email: support@garrettcom.com...
  • Page 5 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.

  • Page 6: Table Of Contents

    Magnum 15E Media Converters Installation and User Guide (07/01) TABLE OF CONTENTS Page 1.0 SPECIFICATIONS..................1 1.1. Technical Specifications................1 1.2 Ordering Information ..................5 2.0 INTRODUCTION ..................6 2.1 Inspecting the Package and Product ............... 6 2.2 Product Description..................8 2.3 Features and Benefits ...................
  • Page 7 Magnum 15E Media Converters Installation and User Guide (07/01) TABLE OF CONTENTS (CONTINUED) ..........Page *3.3.3 Power Budget calculations for Fiber media** ........ 37 3.4 Link Pass-through models, factory jumper settings ........39 4.0 OPERATION.................... 4.1 Power Requirements, Power Supply Types..........41 4.2 Front Panel LEDs ..................
  • Page 8 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.

  • Page 9: Specifications

    Magnum 15E Media Converters Installation and User Guide (07/01) 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: 32ºF to 122ºF (0ºC to 50ºC)
  • Page 10 (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.
  • Page 11 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, 100BASE-FX Fiber Port, ST-type (twist-lock): Fiber optic multi-mode, 100BASE-FX Single-mode: Fiber Port, SC-type (snap-in):...
  • Page 12 Magnum 15E Media Converters Installation and User Guide (07/01) LED Indicators for the Magnum 15E: TX port FX port Description Indicates unit is receiving DC power. LINK Fiber Steady ON when proper link is established at both ends of the media segment, i.e., when both end’s connections are properly...

  • Page 13: Ordering Information

    TP to mm fiber ST w/ Link Pass-through, ext.115vac, 60Hz PS Magnum 15E-lpst-i 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. www GarrettCom com...

  • Page 14: Introduction

    Magnum 15E Media Converters Installation and User Guide (07/01) INTRODUCTION This section describes the Magnum 15E Fast Ethernet Media Converters, including appearance, features and possible applications. Inspecting the Package and Product Examine the shipping container for obvious damage prior to installing this product;...
  • Page 15 Velcro Tape section, approximately 3 inches in length 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 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.

  • Page 16: Product Description

    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.
  • Page 17 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.
  • Page 18 Magnum 15E Media Converters Installation and User Guide (07/01) The Magnum 15E-ST and 15E-lpst (Link Pass-through) models 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 Fiber Multi-mode...
  • Page 19 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 100BASE-FX compliant Fast Ethernet network segments. Fiber Multi- or Single mode Twisted Pair...

  • Page 20: Features And Benefits

    15Km for the single mode model. Low PDV 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.
  • Page 21 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. www GarrettCom com...

  • Page 22: Applications

    Installation and User Guide (07/01) 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...
  • Page 23 Media Converter Media Converter wiring segment 100 BASE-TX UP LINK UP LINK Mb /s Mb /s wiring segment LINK L INK L INK LINK GARRET GARRET Two Magnum 15E’s provide connectivity for switched 100Mb hubs via fiber. www GarrettCom com...
  • Page 24 3.2.2) for proper operation when the 15E is used in shared half-duplex applications. 100 BASE-TX 100 BASE-FX wiring segment wiring segment Magnum 15E Media Converter UP LINK Mb/s LINK LINK GARRET Magnum 15E provides connectivity to servers or users via fiber. www GarrettCom com...

  • Page 25: Installation

    Magnum 15E Media Converters Installation and User Guide (07/01) INSTALLATION This section describes the installation of the Magnum 15E Media Converters, including location, segment distance calculation and media connection. 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.
  • Page 26 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 inhibited. For rack-mounting of media converters, the Magnum MC-TRAY is available.

  • Page 27: Calculating Segment Distance

    Magnum 15E Media Converters Installation and User Guide (07/01) 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...
  • Page 28 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) with a twisted pair (100BASE-T) segment.
  • Page 29 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%...
  • Page 30 Magnum 15E Media Converters Installation and User Guide (07/01) Segment Y Segment X 10m (33ft) Magnum 15E 1500m (4920ft) Media Converter 100 Mb/s UP LINK Fiber Multimode Twisted Pair (100BASE-FX) LINK (100BASE-TX) GARRETT Connectivity between 100BASE-TX and 100BASE-FX Ethernet Media.
  • Page 31 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 two 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%.

  • Page 32: Calculating Overall Segment Distance, Half-Duplex

    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 of both of the attached media types.
  • Page 33 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.
  • Page 34 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*...
  • Page 35 Magnum 15E Media Converters Installation and User Guide (07/01) Table 3.2.2b: Worst case round-trip delay for Fast Ethernet device components* Component Round-trip delay in Bit Times (BT) 2 TX DTEs 2 FX DTEs 1 FX and 1 TX DTE 2 T4 DTEs...
  • Page 36 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 & media converter delays) + (DTE pair delays) + (safety margin) PDV is the Path Delay Value of the worst case path.
  • Page 37 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...
  • Page 38 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...
  • Page 39 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.
  • Page 40 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.

  • Page 41: Connecting Fast Ethernet Media

    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-45 port on the Magnum 15E Media Converters. The procedure is the same for both unshielded and shielded twisted pair segments.
  • Page 42 Magnum 15E Media Converters Installation and User Guide (07/01) 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...

  • Page 43: Connecting Fiber-Fx (Sc-Type "Snap-In", And St, "Twist-Lock")

    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.
  • Page 44 Magnum 15E Media Converters Installation and User Guide (07/01) 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).

  • Page 45: Power Budget Calculations For Fiber Media

    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 the power budget of different fiber media installations, the following equations should be used:...
  • Page 46 Magnum 15E Media Converters Installation and User Guide (07/01) Fiber Speed, Std. km Wave- Cable X’mitr R’cvr Worst Worst* typical typical* Port length Size Output Sens. OPB, distance OPB, distance Mode Std. µ µ µ µ m Module (hdx) Km, fdx...

  • Page 47: Link Pass-Through Models, Factory Jumper Settings

    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-lpst. For information, the internal selection and configuration of the Link Pass-through feature is shown in Figure 3.4, below.
  • Page 48 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 Jum pe r Sta nda rd (defa ult) Link Pa ss Note : Both jumpers J5 and J6 must be set to 2_3 postion for Link Pass.

  • Page 49: Operation

    LEDs. 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.

  • Page 50: Front Panel Leds

    Magnum 15E Media Converters Installation and User Guide (07/01) Front Panel LEDs Description 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.

  • Page 51: Up-Link Switch On Tx Port

    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.
  • Page 52 Magnum 15E Media Converters Installation and User Guide (07/01) Up-link up-link Switch user device End view - Magnum 15E www GarrettCom com...

  • Page 53: Link Pass-Through Models

    With 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.
  • Page 54 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 :...
  • Page 55 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 100 Mb/s U P LIN K LINK GARRETT Twisted Pair Fiber Two LINK LED’s, both ON or both OFF With LINK Pass-Through, the unit treats both link segments as one, with common LINK LED status.

  • Page 56: Troubleshooting

    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.

  • Page 57: Before Calling For Assistance

    Magnum 15E Media Converters Installation and User Guide (07/01) Before Calling for Assistance 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.
  • Page 58 Magnum 15E-Series Media Converter and its associated cables are functioning properly. 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.

  • Page 59: When Calling For Assistance

    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.

  • Page 60: Return Material Authorization (Rma) Procedure

    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.
  • Page 61 (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: No Problem Found.

  • Page 62: Shipping And Packaging Information

    Magnum 15E Media Converters Installation and User Guide (07/01) Shipping and Packaging Information Should you need to ship the unit back to GarrettCom, please follow these instructions: 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.
  • Page 63 Magnum 15E Media Converters Installation and User Guide (07/01) Clearly mark the Return Material Authorization (RMA) number on the outside of the shipping container. GarrettCom is not responsible for your return shipping charges. Ship the package to: GarrettCom, Inc. 47823 Westinghouse Drive Fremont, CA 94539 Attn.: Customer Service...

  • Page 64: Appendix A: Warranty Information

    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.

This manual is also suitable for:

Magnum 15e seriesMagnum 15e-sc-dMagnum 15e-sc-iMagnum 15e-st-dMagnum 15e-st-iMagnum 15e-sglm-d ... Show all

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