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GarrettCom 14E Installation And User Manual

Magnum 14e fast ethernet media converters
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Magnum 14E Fast Ethernet
Media Converters
(Including SC, ST and MTRJ ports, full/half duplex, mm and sgl. mode, standard Link Pass-through)
.
.
www GarrettCom com
$5.00 USD

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  • Page 1 Magnum 14E Fast Ethernet Media Converters (Including SC, ST and MTRJ ports, full/half duplex, mm and sgl. mode, standard Link Pass-through) www GarrettCom com $5.00 USD...
  • 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: The Magnum 14E Media Converters contains no user serviceable parts. Attempted service 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.
  • Page 4 Magnum14E Media Converters Installation and User Guide(10/02) 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 (510) 438-9072 Website: http://www.GarrettCom.com email support@garrettcom.com...
  • Page 5 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. www GarrettCom com...

  • Page 6: Table Of Contents

    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 & MC14-TR+PS9X2 19” Rack-mount w/ Power Supply . 23 3.4 Calculating Overall Segment Distances ... 25 3.4.1 Power budget calculation for fiber media ...
  • Page 7 4.3 Up-Link Switch on TX port ... 46 4.4 Manual AN/reg (auto-negotiate support, or regular operation) Switch ... 47 4.5 Standard Link Pass-through feature in all Magnum 14E Models ... 50 5.0 TROUBLESHOOTING... 52 5.1 Before Calling for Assistance... 53 5.2 When Calling for Assistance ...
  • Page 8 Garrett Communications). There are no changes to the content of the material at this time. Rev B 09/00 : Manual AN/reg (auto-negotiate support, or regular operation) Switch information added. Rev A 05/00 : This revision is the initial release of the 14E media Converters user manual. www GarrettCom com...

  • Page 9: Specifications

    200ns (20 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 120ºF (0ºC to 50ºC) Storage Temperature: -20ºC to 60ºC Ambient Relative Humidity: 10% to 95% (non-condensing) www GarrettCom com Installation and User Guide (10/02)
  • Page 10 100BASE-FX Fiber optic, full duplex: (single-mode) 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. See Section 3.2 of this manual for media lengths and shared segment distance calculations.
  • Page 11 Magnum14E Media Converters Installation and User Guide (10/02) Connectors: RJ-45 Port: 8-Pin female, with “cross-over” up-link switch Note: The AN/reg manual switch is for user-selected auto-negotiation support, or for regular operation. See Section 4.4 Fiber, multi-mode (up to 2Km) : SC-type (snap-in):...
  • Page 12 **Power Supply: 2.0 in 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) : Indicates unit is receiving DC power.
  • Page 13 UL Listed (UL 1950), cUL , CE Certified Emissions: Meets FCC Part 15 Class B, cUL, CE Warranty: Three years, return to factory www GarrettCom com Installation and User Guide (10/02) operational at their respective other ends Made in USA...

  • Page 14: Ordering Information

    Same as Magnum 14E-SSCl, but with ext 230vac, 50 Hz PS MC14-TR+ PS9 = 19” Rack-mount tray , support upto 10 units of 100Mbps 14E Fiber Media Converters,Uses 2U rack space, has space for a few external PS units (which are part of the MC’s) MC14-TR+PS9X2 = Powered 19”...

  • Page 15: Introduction

    Magnum14E Media Converters INTRODUCTION This section describes the Magnum 14E 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; notify the carrier of any damage which you believe occurred during shipment or delivery.
  • Page 16 User Guide (this manual) and Product Registration Card Remove the Magnum 14E Media Converter 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 enclosed Product Registration Card to GarrettCom, Inc.

  • Page 17: Product Description

    100BASE-TX Ethernet network. Each Magnum 14E supports both full- and half-duplex mode transparently so that an attached RJ-45 switch or hub operates at its highest performance level. For 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”...
  • Page 18 115vac 60Hz or 230vac 50Hz, plugs into a nearby AC wall socket or power strip. 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 information.
  • Page 19 Magnum14E Media Converters Installation and User Guide (10/02) The Magnum 14E 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. Twisted Pair (100BASE-TX) The Link Pass-Through feature is especially...
  • Page 20 Magnum14E Media Converters The Magnum 14E-SC comes in three models, with three different fiber transceivers. Models are 14E-SC (multi-mode, 2Km), 14E-SSC (single-mode, 25Km) or 14E-SSCL (single- mode Long Reach, 40Km) are equipped with one fiber SC-type port and one RJ-45 port for...
  • Page 21 Magnum14E Media Converters The Magnum 14E-MTRJ (SFF, small form factor) comes with multi-mode fiber transceivers. The Model 14E-MTRJ (multi-mode, 2Km), equipped with one fiber MTRJ-type port and one RJ-45 port, connects into 100BASE-FX and 100BASE-TX compliant Fast Ethernet network segments. The...

  • Page 22: Features And Benefits

    Low PDV for Maximum Cable Lengths in Shared Segments Magnum 14E Media Converters add signal timing delays of only 20 Bit Times in a shared half-duplex segment, much less than a Class II (90 to 95 BT ), and can be used to attach fiber cables to TX ports with low distance loss in an overall HDX collision domain.
  • Page 23 The MC14-TRAY provides optional rack-mounting. Two sets 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-mount Tray or wall-mount.

  • Page 24: Applications

    Magnum14E Media Converters Applications The primary function of a Magnum 14E Media Converter is to permit two different media types to coexist within the same network by allowing data to be transmitted / received between different media types. Magnum 14E media converters provides an effective solution for a network environment where auto-negotiation is a primary concern for the attached devices.
  • Page 25 RJ-45 ports. wiring segment Magnm14E TWI STED PAIR Magnum 14E Media Converter Two Magnum 14E’s provide connectivity for 100Mbps switches or hubs via fiber www GarrettCom com Installation and User Guide (10/02) 100 BASE-TX FIBER UP LINK...
  • Page 26 RJ-45 ports, it may be desirable to connect one or more servers or users via fiber cable. Because of its manual AN/reg switch feature, the Magnum 14E supports both “Auto-negotiation” and “reg” regular mode at the attached RJ-45 port, allowing flexibility with the unit attached.
  • Page 27 Magnum14E Media Converters A typical Magnum 14E application is to convert copper media to fiber, with auto- negotiation support for the attached device on the copper port. www GarrettCom com Installation and User Guide (10/02) Magnum 14E-ST FIBER TWISTED PAIR...

  • Page 28: Installation

    Locating the Media Converter Unit The compact and lightweight design of the Magnum 14E Media Converter allows it to be easily installed in most any location. A Velcro strip and a set of two metal clips and...

  • Page 29: Mc14-Tray For Rack Mounting The Magnum 14E

    Installation and User Guide (10/02) 3.2 MC14-TRAY for Rack Mounting of Magnum 14E 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-45 and the fiber ports in front.
  • Page 30 16 units. (The mounting spaces of the MC14-TRAY are specific to the 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) 14E Media Converters, each with their power supply plugged into power strips (not included) in the rear area of the tray.
  • Page 31 (The MC mounting spaces of the MC14 -TR models are specific to the Magnum 10Mbps (TF14) and 100MB (14E) series, and do not permit other models or other sizes to be put in the tray).
  • Page 32 MC14-TR+PS9, 19” rack- mount tray, holding 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...

  • Page 33: Mc14-Tr+Ps9 & Mc14-Tr+Ps9X2 19" Rack-Mount W/ Power Supply . 23 3.4 Calculating Overall Segment Distances

    “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. www GarrettCom com Installation and User Guide (10/02) (min) - P...
  • Page 34 Long Reach * 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 both applied: www GarrettCom com Installation and User Guide (10/02) Wave- Cable X’mitr...

  • Page 35: Segment Distance, Full-Duplex Copper (Rj-45) And Fiber

    Magnum14E Media Converters • The 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.
  • Page 36 (100BASE-FX) with a twisted pair (100BASE-T) segment. Segment length on each side of the 14E 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%.
  • Page 37 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 14E Media Converter divided by the Standard Maximum Media Distance for that media cabling type, x 100%...
  • Page 38 Twisted Pair Connectivity between 100BASE-TX (100BASE-TX) and 100BASE-FX Ethernet Media. FIBER TWISTED PAIR Magnum 14E Media Converter In the example figure shown UP LINK above, the length of fiber Segment X is 1500m (4920 ft). This is 75% of the...
  • Page 39 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. www GarrettCom com Installation and User Guide (10/02)

  • Page 40: Segment Distances For Half-Duplex Mode

    When installing the Magnum 14E in a half-duplex segment, it is important to consider the collision domain of the segment, including the 14E itself, repeaters and hubs present, and the lengths of both of the attached media types.
  • Page 41 A Magnum 14E has 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 collision domain.
  • Page 42 3.4b 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. www GarrettCom com Installation and User Guide (10/02) Round-trip delay in Bit Time per Meter (BT/m) 1.000...
  • Page 43 The worst case path is the path between the two Fast Ethernet devices www GarrettCom com Installation and User Guide (10/02) Round-trip delay in Bit Times (BT)
  • Page 44 “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 www GarrettCom com Installation and User Guide (10/02)
  • Page 45 Installation and User Guide (10/02) media has a PDV of about 1 BT per meter of length. The Magnum 14E has a PDV of 20 BT. Therefore, in shared Fast Ethernet applications, the 14E 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...
  • Page 46 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 14E’s leaves 202 BTs, minus 40 BT for two Magnum 14Es leaves 162 BTs for fiber cable, which indicates a fiber cable length of about 160 meters.
  • Page 47 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 14E leaves 287 BTs, minus 20 BT for one Magnum 14E leaves 267 BTs for fiber cable, which indicates a fiber cable length of about 260 meters.

  • Page 48: Connecting Fast Ethernet Media

    Connecting Twisted Pair (RJ-45 standard) The following procedure describes 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.

  • Page 49: 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 14E. 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 50 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 14E to the Transmit (TX) port of the remote device. Use the non-color coded fiber strand for this.

  • Page 51: Connecting Fiber-Fx (Mt-Rj-Type Small Form Factor "Snap-In")

    Magnum14E Media Converters Before connecting the fiber optic cable, remove the protective dust cap from the tip of the connector on the Magnum 14E. Wipe clean the ends of the connector with a soft cloth or lint-free lens tissue dampened in alcohol. Make certain the connector is clean before connecting.

  • Page 52: Operation

    AN/reg functionality, and LEDs. Power Requirements, Power Supply Types Magnum 14E Media Converters require 4 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;...

  • Page 53: Dual Leds (Front And Side) Indicators

    Dual LED Indicators (front and side-panel LEDs) Illuminates GREEN to indicate the unit is receiving 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...

  • Page 54: Up-Link Switch On Tx Port

    When set to the straight position (=), the Magnum 14E Media Converter is wired for normal twisted pair connection to a user node device. When set to the cross-over position (X), the Media Converter is wired with cross-over functionality for direct up-link to a network hub or switch.

  • Page 55: Manual An/Reg (Auto-Negotiate Support, Or Regular Operation) Switch

    The difference in the two settings is for the attached port, i.e., the port in the switch or hub or NIC at the other end of the twisted pair cable. If the attached port is of the increasingly popular auto-negotiate-only variety, it needs to get FLPs from the 14E Media...
  • Page 56 Converter in order to decide what to do. Not receiving FLPs would indicate (incorrectly) that the Magnum 14E is only capable of half-duplex operation. Setting the switch in the AN position causes FLPs to be sent, advertising full-duplex capability. BUT NOTE . . . it is up to the user who chooses the AN position to determine that the device on the other end of the fiber cable is, in fact, capable of full-duplex operation.
  • Page 57 Magnum14E Media Converters Up-link Switch Figure 4.4 End View of the 100Mb Magnum 14E Media Converter www GarrettCom com Installation and User Guide (10/02) up-link user device End view AN/reg...

  • Page 58: Standard Link Pass-Through Feature In All Magnum 14E Models

    14E’s allows 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 passed to the fiber port’s LINK indicator of the 14E, and if the www GarrettCom com...
  • Page 59 Magnum14E Media Converters LINK is valid on the fiber segment, then LINK is ON for both ports of the 14E. If LINK is not present on the copper side but is valid for the fiber side, the Pass- through feature causes the LINK LED on the fiber port to blink rapidly to indicate there is a LINK problem elsewhere.

  • Page 60: Troubleshooting

    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.

  • Page 61: Before Calling For Assistance

    (About 90% of network downtime can be attributed to wiring and connector problems.) Make sure that an AC power cord is properly attached to each Magnum 14E Media Converter unit. Be certain that each AC power cord is plugged into a functioning electrical outlet.

  • Page 62: When Calling For Assistance

    Magnum14E Media Converters If the problem continues after completing Step 4 above, contact your supplier of the Magnum 14E Media Converters unit or if unknown, contact GarrettCom, Inc.by fax, phone or email ( support@garrettcom.com ) for assistance. When Calling for Assistance Please be prepared to provide the following information.

  • Page 63: 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 64 Magnum14E Media Converters Installation and User Guide (10/02) 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).

  • Page 65: Shipping And Packaging Information

    Magnum14E Media Converters 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 66: Appendix A: Warranty Information

    GarrettCom, Inc. warrants its products to be free from defects in materials and workmanship for a period of three (3) years from the date of shipment by GarrettCom. During this warranty period, GarrettCom will repair or, at its option, replace components in the products that prove to be defective at no charge other than shipping and handling, provided that the product is returned pre-paid to GarrettCom.

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