Net Optics FMC-LX User manual
Installation Guide for
GigaBit Media Converters
Doc PUBFMCLXSXU Rev.1, 06/06
GigaBit Media Converter
Table of Contents
Introduction.....................................................1
Key Features ....................................................1
Product Diagram .................................................2
Connecting the GigaBit Media Converter to the Network .................3
Conguration Guidelines for Link Fault Signaling (LFS) Operation.........6
Safety Notes on Laser Singlemode and Multimode-type Converters.........7
GigaBit Ethernet Connection Distances ...............................8
Specications ...................................................9
Warranty......................................................11
GigaBit Media Converter
PLEASE READ THESE LEGAL NOTICES CAREFULLY.
By using a Net Optics GigaBit Media Converter you agree to the terms and conditions of usage set forth
by Net Optics, Inc.
No licenses, express or implied, are granted with respect to any of the technology described in this
manual. Net Optics retains all intellectual property rights associated with the technology described in
this manual. This manual is intended to assist application in installing Net Optics products into your
network.
Trademarks and Copyrights
© 2007 by Net Optics, Inc. Net Optics® is a registered trademark of Net Optics, Inc. Additional com-
pany and product names may be trademarks or registered trademarks of the individual companies and
are respectfully acknowledged.
Additional Information
Net Optics, Inc. reserves the right to make changes in specications and other information contained
in this document without prior notice. Every effort has been made to ensure that the information in this
document is accurate.
GigaBit Media Converter
1
Introduction
Thank you for purchasing the most versatile media converter available today.
Net Optics GigaBit Media Converters enable conversion between GigaBit
Fiber signals.
Key Features
Technology
Net Optics GigaBit Media Converters support transparent conversion of
optical signals for data rates at 1000 Mbps.
Includes automatic Link Fault Signaling. Link Fault Signaling alerts
each host (router, switch, server) attached to a Net Optics GigaBit Media
Converter, if any of the intermediate links that separate them have failed.
If one link fails, or is not connected, the converter automatically disables
the forward link to the next device, until the unit is connected or the link is
repaired.
Includes Clock and Data Recovery (CDR) capability for superior perfor-
mance. This ensures that the overall jitter budget is not exceeded when
deploying pairs of converters.
Fully RoHS compliant
Ease of Use
All network connections are front-mounted for easy installation and
operation. Only the power connectors are side-mounted.
Multiple LED indicators conrm link status.
Compatible with all major manufacturer's network equipment.
Support
Throughout the lifetime of your purchase, Net Optics offers free technical
support (and has done so since our start in 1996!) Our technical support
team is available from 8 am to 5 pm Pacic Time, Monday through Friday
at +1 (408) 737-7777 and via email at [email protected]. FAQs are
also available on Net Optics website at www.netoptics.com.
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GigaBit Media Converter
2
About this Guide
This guide covers the installation and use of the following models:
Part Number Description
FMC-LX/SX-R GigaBit Fiber Mode Converter, Rack-mount
FMC-LX/SX GigaBit Fiber Mode Converter, Stand-alone
GigaBit Media Converter
3
Product Diagrams
Figure 1. Rack mount model
Figure 2. Stand alone model
PWR 2
PWR 1
1.5AMP
+ 5VDC
MM
SINGLEMODE
Rx
Tx
SM
SX t o LX C onve r t er
®
www.netoptics.com
LF
MULTIMODE
Rx
Tx
+5VDC
1.5 AMP
+5VDC
1.5 AMP
PWR 2
PWR 1
1AMP
+ 5VDC
1 2
10 Km
550m
M/M
TX RX RXTX
PORT 1 PORT 2
S/M
LINK
GigaBit Media Converter
4
Connecting to the Network
1. Unpack the GigaBit Media Converter, verify that you have all components,
and obtain the required cables needed to successfully install the unit.
2. Multimode Ports: Using a duplex multimode cable, connect the appropriate
switch, server, or router to the GigaBit Media Converter's Multimode Port.
3. Singlemode Ports: Using a duplex singlemode cable, connect the appropri-
ate switch, server, or router to the GigaBit Media Converter's Singlemode
Port.
4. Supply power to the GigaBit Media Converter using the power supply
included with the unit.
5. Compare the LEDs on the Media Converter to the chart below to verify
correct setup.
PWR: Power.
Power LED (in side of unit) illuminates green when device is
powered on.
MM: Multimode Fiber Link.
This LED illuminates green when a good ber optic link is established.
SM: Singlemode Fiber Link.
This LED illuminates green when a good ber optic link is established
LF: Link Fault.
This LED illuminates yellow when a link fault is present.
Note: _______________________________________________________________
The use of singlemode or multimode cabling is determined by the GigaBit
Media Converter model. The 1000BaseSX multimode ports or 1000BaseLX
singlemode ports must be connected via 50/125µm, 62.5/125µm, or
100/140µm ber.
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GigaBit Media Converter
5
Connecting to the Network
When installing the GigaBit Media Converter, care must be taken in choosing
the appropriate cabling to avoid Differential Mode Delay (DMD) effects.
DMD is caused by singlemode, (1310 nanometer) laser point sources
launching into multimode cable. Optical power is concentrated in the center of
the ber core, propagating in less than 5% of possible modal paths. This can
result in reduced bandwidth and/or the appearance of individual data pulses,
refracting into multiple, overlapping, light pulses at the receiver end, causing
CRC errors.
The connection requires a Mode Conditioning patch cable to provide
the Conditioned Launch necessary to prevent (DMD) effects. Mode
Conditioning patch cables are not used with short wave length (850 nano-
meter) lasers. Note that ber cable is typically certied for a particular
bandwidth using light emitting diodes (LEDs) that provide the “Overlled
Launch” condition i.e. illuminate all possible modes and bers.
For additional details see the Restricted Launch Specication dened by the
Telecommunications Industry Association. The TIA FO-2.2.1 Committee
has released two standards: (1) FOTP-203: Launched Power Distribution
Measurement Procedure for Graded-Index Multimode Fiber Transmitters, and
(2) FOTP-204: Measurement of Bandwidth on Multimode Fiber.
GigaBit Media Converter
6
Rx
Tx
Tx
Rx
Duplex SC/SC
Singlemode Cable
From switch, server,
or router (DTE)
From switch, server,
or router (DCE)
Rx
Tx
Tx
Rx
Duplex SC/SC
Multimode Cable
PWR
1AMP
+ 5VDC
12
10 Km
550m
M/M
TX RX RX
TX
PORT 1 PORT 2
S/M
LINK
PWR 2
PWR 1
1AMP
+ 5VDC
1 2
10 Km
550m
M/M
TX RX RXTX
PORT 1 PORT2
S/M
LINK
Figure 3. Connecting to the Network
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2
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