Copyright 2002 Allied Telesyn, Inc.
960 Stewart Drive Suite B, Sunnyvale CA 94086 USA
All rights reserved. No part of this publication may be reproduced without prior written
permission fro
Ethernet is a registered trademark of Xerox Corporation. All other product names,
company names, logos or other designations mentioned herein are trademarks or
registered trademarks of their respective owners.
Allied Telesyn, Inc. reserves the right to make changes in specifications and other
information contained in this document without prior written notice. The information
provided herein is subject to change without notice. In no event shall Allied Telesyn,
Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever,
including but not limited to lost profits, arising out of or related to this manual or the
information contained herein, even if Allied Telesyn, Inc. has been advised of, known, or
should have known, the possibility of such damages.
e
Allied Telesyn, Inc.
Electrical Safety and Emission Compliance
Statement
Standards: This product meets the following standards.
U.S. Federal Communications Commission
Declaration Of Conformity
Manufacture Name:Allied Telesyn, Inc.
Manufacture Address:960 Stewart Drive, Suite B
Sunnyvale, CA 94085 USA
Manufacture Telephone:408-730-0950
Declares that the product:Ethernet Media Converters
Model Numbers:AT-MC13, AT-MC14
This product complies with FCC Part 15B, Class B Limits:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device must not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Radiated Energy
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device pursuant to Part 15 of FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance
with instructions, may cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on.
The user is encouraged to try to correct the interference by one or more of
the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes and modifications not expressly approved by the manufacturer or
registrant of this equipment can void your authority to operate this
equipment under Federal Communications Commission rules.
Industry Canada
This Class B digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du
Règlement sur le matériel brouilleur du Canada.
iii
Warning: In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate
measures.
RFI Emission EN55022 Class B
ImmunityEN55024 $ 2Warning: This product requires shielded cables to comply with emission and
immunity standards. If it is used with unshielded cables, the user may be
required to take measures to correct the interference problem at their own
expense.
E
Laser/LEDEN60825$5Important: Appendix B contains translated safety statements for installing
this equipment. When you see the
safety statement in your language.
Wichtig: Anhang B enthält übersetzte Sicherheitshinweise für die
Installation dieses Geräts. Wenn Sie
übersetzten Sicherheitshinweis in Ihrer Sprache nach.
Vigtigt: Tillæg B indeholder oversatte sikkerhedsadvarsler, der vedrører
installation af dette udstyr. Når De ser symbolet
og finde de oversatte sikkerhedsadvarsler i Deres eget sprog.
Belangrijk: Appendix B bevat vertaalde veiligheidsopmerkingen voor het
installeren van deze apparatuur. Wanneer u de
B voor vertaalde veiligheidsinstructies in uw taal.
Important: L'annexe B contient les instructions de sécurité relatives à
l'installation de cet équipement. Lorsque vous voyez le symbole
vous à l'annexe B pour consulter la traduction de ces instructions dans votre
langue.
Tärkeää: Liite B sisältää tämän laitteen asentamiseen liittyvät käännetyt
turvaohjeet. Kun näet
B.
Importante: l’Appendice B contiene avvisi di sicurezza tradotti per
l’installazione di questa apparecchiatura. Il simbolo
l’Appendice B per l’avviso di sicurezza nella propria lingua.
Viktig: Tillegg B inneholder oversatt sikkerhetsinformasjon for installering
av dette utstyret. Når du ser
oversatte sikkerhetsinformasjonen på ønsket språk.
Importante: O Anexo B contém advertências de segurança traduzidas para
instalar este equipamento. Quando vir o símbolo
segurança traduzida no seu idioma no Anexo B.
Importante: El Apéndice B contiene mensajes de seguridad traducidos para
la instalación de este equipo. Cuando vea el símbolo
para ver el mensaje de seguridad traducido a su idioma.
Obs! Bilaga B innehåller översatta säkerhetsmeddelanden avseende
installationen av denna utrustning. När du ser
för att läsa det översatta säkerhetsmeddelandet på ditt språk.
$ 3
lectrical SafetyTUV-EN60950, UL60950 (UL/cUL) $ 4
$, go to Appendix B for the translated
$ sehen, schlagen Sie in Anhang B den
$-symbolin, katso käännettyä turvaohjetta liitteestä
$, åpner du til Tillegg B for å finne den
$ 1
$, skal De slå op i tillæg B
$ ziet, raadpleeg Appendix
$, reportez-
$, indica di consultare
$, leia a advertência de
$, vaya al Apéndice B
$, skall du gå till Bilaga B
iv
Table of Contents
Electrical Safety and Emission Compliance Statement . . . . . . . . . . . . iii
This guide contains instructions on how to install the AT-MC13 and AT-MC14
Ethernet Media Converters.
Where to Find Web-based Guides
The Allied Telesyn web site at www.alliedtelesyn.com offers you an easy
way to access the most recent documentation, software, and technical
information for all of our products. For product guides, select “Support &
Services” from our web site.
Document Conventions
This guide uses the following conventions:
Note
A note provides additional information.
Caution
A caution indicates that performing or omitting a specific action may
result in equipment damage or loss of data.
Warning
A warning indicates that performing or omitting a specific action may
result in bodily injury.
vii
Welcome to Allied Telesyn
Contacting Allied Telesyn Technical Support
You can contact Allied Teleysn technical support online or by telephone or
e-mail.
Online Supp ort
You can request technical support online by accessing the Knowledge Base
kb.alliedtelesyn.com. You can use the Knowledge Base to submit questions
to our technical support staff and review answers to previously asked
questions.
Telephone Support
For Technical Support by phone, contact Allied Telesyn at one of the following
locations:
Americas
United States, Canada, Mexico,
Central America, South America
Tel: 1 (800) 428-4835
Asia
Singapore, Taiwan, Thailand, Malaysia,
Indonesia, Korea, Philippines, China,
India, Hong Kong
Tel: (+65) 3815-612
Australia
Tel: 1 (800) 000-880
France
France, Belgium, Luxembourg,
The Netherlands, Middle East, Africa
Tel: (+33) 0-1-60-92-15-25
Germany
Germany, Switzerland, Austria, Eastern
Europe
Tel: (+49) 30-435-900-126
Italy
Italy, Spain, Portugal, Greece, Turkey,
l
Israe
Tel: (+39) 02-41-30-41
Japan
Tel: (+81) 3-3443-5640
United Kingdom
United Kingdom, Denmark, Norway,
Sweden, Finland
Tel: (+0044) 1235-442500
viii
AT-MC13 and AT-MC14 Install ati on G ui de
E-mail Suppo rt
Latin America, Mexico, Puerto Rico, Caribbean, and Virgin Islands
latin_america@alliedtelesyn.com
Europe
support_europe@alliedtelesyn.com
Returning Products
Products for return or repair must first be assigned a Return Materials
Authorization (RMA) number. A product sent to Allied Telesyn without a RMA
number will be returned to the sender at the sender’s expense.
To obtain an RMA number, contact Allied Telesyn’s Technical Support at one
of the following locations:
North America
Toll-free: 1-800-762-1664
Fax: 1-425-806-1050
Latin America, the Caribbean, and
Virgin Islands
Tel: international code + 425-481-3852
Fax: international code + 425-481-3895
Mexico
Toll-free: 800-424-5012, ext 3852
Fax: international code + 425-481-3895
Australia
Toll-free: 1-800-000-880
Fax: +61-2-9438-4966
Europe, Africa, and the Middle East
Tel: +44-1793-501401
Fax: +44-1793-431099
Puerto Rico
Tel: 1-800-424-5012, ext 3852 or
1-800-424-4284, ext 385
Asia and Southeast Asia
Tel: +65-381-5612
Fax: +65-383-3830
New Zealand
Toll-free: 0800-45-5782
2
FTP Server
If you need management software for an Allied Telesyn managed device and
you know the file name of the software, you can download the software by
connecting directly to our FTP server at ftp.alliedtelesyn.com. At login,
enter ‘anonymous’ as the user name and your e-mail address for the password.
ix
Welcome to Allied Telesyn
For Sales or Corporate Information
You can contact Allied Telesyn for sales or corporate information at the location
below:
Allied Telesyn, Inc.
19800 North Creek Parkway, Suite 200
Bothell, WA 98011
Tel: 1 (425) 487-8880
Fax: 1 (425) 489-9191
Tell Us What You Think
If you have any comments or suggestions on how we might improve this or
other Allied Telesyn documents, please fill out the General Enquiry Form
online. This form can be accessed by selecting “Contact Us” from
www.alliedtelesyn.com.
x
Chapter 1
Overview
The AT-MC13 and AT-MC14 media converters are designed to extend the
distance of your network over large distances by interconnecting twisted pair
cabling to single-mode or multimode fiber optic cabling.
These media converters feature a 10Base-T twisted pair port and a 10Base-F
fiber optic port. The twisted pair port has an RJ-45 connector and a maximum
operating distance of 100 meters (328 feet). The fiber optic port has an ST or
SC connector, depending on the model, and a maximum operating distance of
2 kilometers (1.2 miles). These media converters operate at 10 Mbps and
feature half- or full-duplex operation.
The AT-MC13 and AT-MC14 media converters can be used on a desktop or in
an AT-MCR12 chassis. These media converters are easy to install and do not
require software configuration or management.
Figure 1 illustrates an AT-MC13 media converter.
NML
LNK TST
AT-MC13
TXRX
ETHERNET MEDIA CONVERTER
10Base-F10Base-T
REC
LNK
MDI MDI-X
Figure 1 AT-M C13 Fro nt Pane l (ST Conn e ct or)
Figure 2 illustrates an AT-MC14 media converter.
NML
LNK TST
AT-MC14
TXRX
ETHERNET MEDIA CONVERTER
10Base-F10Base-T
REC
LNK
MDI MDI-X
Figure 2 AT-MC14 Front Panel (SC Connector)
REC
LNK
REC
LNK
PWR
NML
PWR
NML
1
Table 1 lists the maximum operating distances for the AT-MC13 and AT-MC14
media converters.
Table 1 Maximum Operating Distances
10Base-F10Base-T
Model
Connector
AT-MC13ST2 km (1.2 mi)RJ-45100 m (328 ft)
AT-MC14SC2 km (1.2 mi)RJ-45100 m (328 ft)
1. Maximum operating distance may be less depending on the duplex mode of the end-nodes and the type of fiber
optic cabling used with the port.
Maximum Operating
Distance
1
Connector
Maximum Operating
Distance
Key Features
The media converters have the following key features:
q Twisted pair port with an RJ-45 connector
q Fiber optic port with a ST or SC connector
q LEDs for unit and port status
q Half- or full-duplex mode operation
q MissingLink notifies end-nodes of link failures
q NML/LNK TST button that performs a link test on the media
converter
q MDI/MDI-X switch that eliminates the need for a crossover cable
q External AC/DC power adapter
q Standard size for desktop use or in an AT-MCR12 rackmount chassis
Twisted Pair Port
The 10Base-T port on the AT-MC13 and AT-MC14 media converters have an
RJ-45 connector and is designed to operate with Category 5 or better shielded
twisted pair cable.
2
AT-MC13 and AT-MC14 Install ati on G ui de
Fiber Optic Port
The 10Base-F port on the AT-MC13 and AT-MC14 media converters have
either an SC or ST connector designed to operate with multimode fiber optic
cabling. This port has a maximum operating distance of 2 kilometers (1.2
miles) using 62.5/125 micron multimode fiber optic cable.
Status LEDs
Table 2 lists the status LEDs for the AT-MC13 and AT-MC14 media
converters.
Table 2 Status LEDs for the Media Converters
LEDColorDescription
PWRGreenPower is appl ie d t o t h e me dia convert er.
LNKGreenA link has been established on the port.
RECGreenData is being received.
NMLGreen
OFF
The MissingLink feature is activated and the media converter is
functioning in normal operating mode.
The MissingLink feature is disabled and the media converter is
performing a link test .
MDI/MDI-X Switch
An RJ-45 port on a 10 Mbps Ethernet network device can have one of two
possible wiring configurations: MDI or MDI-X. The RJ-45 port on a PC, router
or bridge is typically wired as MDI, while the twisted pair port on a switch or
hub is usually MDI-X.
To connect two 10 Mbps network devices together that have dissimilar port
wiring configurations, such as MDI to MDI-X, you use a straight-through cable.
To connect two network devices that have RJ-45 ports with the same wiring
configuration, such as MDI to MDI, you use a crossover cable.
The RJ-45 port on the AT-MC13 and AT-MC14 media converters feature an
MDI/MDI-X switch. You can use this switch to configure the twisted pair port
on the media converter as either MDI or MDI-X, thus eliminating the need for
a crossover cable regardless of the type of network device you are connecting to
the unit.
3
NML/LNK TST Button
The NML/LNK TST (Normal MissingLink/Link Test) button allows you to
perform a link test on the ports on the media converter. This button also allows
you to activate the MissingLink feature on the unit. The MissingLink and Link
Test features are describe below.
MissingLink. The MissingLink feature activates the ports on the media
converter to pass the “Link” status of t heir connections to each other. When the
media converter detects a problem with one of the ports, such as the loss of
connection to a node, the media converter shuts down the connection to the
other port, thus notifying the node that the connection has been lost.
For example, if the network twisted pair cable to the AT-MC14 were to fail, the
media converter would respond by dropping the link on the fiber optic port. In
this way, the AT-MC14 notifies the end-node connected to the fiber optic port
that the connection on the twisted pair port has been lost. If the failure had
started with the fiber optic cabling, the media converter would drop the link to
the twisted pair port.
The value to this type of network monitoring and fault notification is that some
hubs and switches can be configured to take a specific action in the event of the
loss of connection on a port. In some cases, the unit can be configured to seek a
redundant path to a disconnected end-node or send out a trap to a network
management station, and so alert the network administrator of the problem.
Note
The MissingLink feature is disabled when you perform a link test with
the NML/LNK TST button. Consequently, to ensure that the
MissingLink feature is activated on the media converter, always set the
button to the NML (IN) position during normal network operations.
Link Test. A link test is a fast and easy way for you to test the connections
between the ports on the media converter and the end-nodes that are connected
to the ports. If a network problem occurs, you can perform a link test to
determine which port is experiencing a problem, and so be able to focus your
troubleshooting efforts on the cable and end-node where the problem resides.
A link test is performed when the NML/LNK TST button is in the LNK TST
(OUT) position.
Note
Performing a link test does not interfere with a media converter’s ability
to pass network traffic.
4
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