GarrettCom Magnum 15E User manual

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www GarrettCom com ..
Corporate Headquarters:
GarrettCom, Inc.
213 Hammond Avenue
Fremont, CA 94539
Phone: [phone]
Fax: [phone]
Web: http://www.GarrettCom.com
Email: [e-mail]
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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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.

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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.

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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: [phone]
Fax: [phone]
Web: http://www.GarrettCom.com
Email: [email protected]

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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.

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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 ................................................................................... 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 Overall Segment Distance, full-duplex.......................... 19
3.2.2 Calculating Overall Segment Distance, half-duplex ………………24
3.3 Connecting Fast Ethernet Media................................................................. 33
3.3.1 Connecting Twisted Pair (RJ-45, TX).............................................. 33
3.3.2 Connecting Fiber-FX (SC-type “Snap-In”, and ST, "Twist-Lock") . 35

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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............................................................................................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
5.1 Before Calling for Assistance....................................................................... 49
5.2 When Calling for Assistance........................................................................ 51
5.3 Return Material Authorization (RMA) Procedure........................................ 52
5.4 Shipping and Packaging Information........................................................... 54
APPENDIX A: WARRANTY INFORMATION....................................................56

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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.

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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: 32ºF to 122ºF (0ºC to 50ºC)
Storage Temperature: -20ºC to 60ºC
Ambient Relative Humidity: 10% to 95% (non-condensing)

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Maximum Standard Fast Ethernet Segment Lengths:
100BASE-TX (twisted pair): 100 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

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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): 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 cm x 5.1 cm x 3.8 cm)
Weight: 9.5 oz.(275 gr); Power Supply 16 oz (455 gr)

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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

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1.2 Ordering Information
GarrettCom, Inc. reserves the right to change specifications, performance
characteristics and/or model offerings without notice.
Model Number Description
Magnum 15E-SC-d Twisted pair to mm fiber SC, ext. 115 vac, 60Hz power supply
Magnum 15E-SC-i Twisted pair to mm fiber SC, ext. 230 vac, 50Hz power supply
Magnum 15E-ST-d Twisted pair to mm fiber ST, ext. 115 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 pair to fiber SC, single mode, ext. 230 vac, 50 Hz PS
Magnum 15E-smst-d Twisted pair to fiber ST, single mode, ext. 115 vac, 60 Hz PS
Magnum 15E-smst-i Twisted pair to fiber ST, single mode, ext. 230 vac, 50 Hz PS
Magnum 14E-SSCL-d Twisted pair to fiber ST, single mode 40km “Long Reach”, external
115vac, 60 Hz Power Supply
Magnum 15E-lpst-d 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

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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

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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 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.

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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 wall

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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.

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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
(
100BASE-TX
)
Fiber Multi-mode
(
ST-t
yp
e
)
GARRETT
LINK
LINK PWR
Magnum 15E
Media Converter
100 Mb/s
UP LINK
(
100BASE-FX
)
15Es with ST integrates 100BASE-TX and FX networks, with fiber ST connectors.

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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.
15Es with SC integrate 100BASE-TX and FX networks, with fiber SC connectors.
Twisted Pair
(100BASE-TX)
Fiber
Multi- or Single mode
(SC-type)
GARRETT
LINK
LINK PWR
Magnum 15E
Media Converter
100 Mb/s
UPLINK
(100BASE-FX)

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2.3 Features and Benefits


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.


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.