100 Mbps RJ45 to Fiber
Media Converter
ET9003SC
ET9003ST
Instruction Guide
The Professionals’ Source For Hard-to-Find Computer Parts
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Revised: November 6, 2002
* Actual product may vary from photo
FCC COMPLIANCE STATEMENT
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to part 15 of the 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 the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does 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 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.
Technical Support
The following technical resources are available for this StarTech.com product:
On-line help:
We are constantly adding new information to the Tech Support section of our web site. To
access this page, click the Tech Support link on our homepage, www.startech.com. In the
tech support section there are a number of options that can provide assistance with this
card.
Knowledge Base - This tool allows you to search for answers to common issues using
key words that describe the product and your issue.
FAQ - This tool provides quick answers to the top questions asked by our customers.
Downloads - This selection takes you to our driver download page where you can
findthe latest drivers for this product.
Call StarTech.com tech support for help: 1-519-455-4931
Support hours: Monday to Friday 9:00AM to 5:00PM EST (except holidays)
Warranty Information
This product is backed by a one-year warranty. In addition StarTech.com warrants its
products against defects in materials and workmanship for the periods noted below,
following the initial date of purchase. During this period, the products may be
returned for repair, or replacement with equivalent products at our discretion. The
warranty covers parts and labor costs only. StarTech.com does not warrant its products
from defects or damages arising from misuse, abuse, alteration, or normal wear and
tear.
Limitation of Liability
In no event shall the liability to StarTech.com Ltd. (or its officers, directors, employees or
agents) for any damages (whether direct or indirect, special, punitive incidental,
consequential, or otherwise), loss of profits, loss of business, or any pecuniary loss,
arising out of related to the use of the product exceed the actual price paid for
the product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages. If such laws apply, the limitations or exclusions contained in this statement
may not apply to you.
5
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Monitoring Your Fast Ethernet Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1
Monitoring Your Fast Ethernet Converter
The LEDs on the front of the converter are your best indication of the converter’s activity.
Troubleshooting
If you experience any difficulties with your converter, first make sure that all cables are
firmly seated at both ends and that they are plugged into the proper ports.
Link/Activity LEDs are not lit.
• Check that the network device connected to the converter is turned on.
• Make sure that the UTP cables comply with EIA/TIA 568 Category 5 specifications
and that the fiber optic cables comply with industry standards.
Can not transmit data.
• Make sure that the UTP distance does not exceed 100m. If the FDX LED is not lit,
make sure that fiber optic cable distance does not exceed 140m. If the FDX LED is lit,
make sure that the fiber optic cable distance does not exceed 2KM. Also make sure
that 62.5/125 micron multi-mode fiber optic cable is used.
Technical Specifications
4
LED Color Status Description
Power Green Lit Power is supplied
Off No power
FDX Green Lit Full-duplex mode
Off Half-duplex mode
Fiber Green Lit Valid link established
Link/Activity Flash Data packets received
Off No link established
UTP Green Lit Valid link established
Link/Activity Flash Data packets received
Off No link established
Standards IEEE 802.3u 100BaseTX and 100BaseFX
Dimensions 4.84 x 2.67 x 0.98 in. (123 x 68 x 24mm)
Operating Temperature 32-131ºF (0-55ºC)
Operating Humidity 10-95% (Non-condensing)
Emission FCC Class A, CE Mark
Introduction
Thank you for purchasing a StarTech.com Fast Ethernet media converter. Now you can
switch from fiber optic to UTP cables and vice versa. Simply plug your ST or SC multimode fiber optic cables into the two fiber optic ports and your UTP cable into the RJ-45
port and your data transfers seamlessly at 100BaseTX or 100BaseFX Fast Ethernet
standards. The converter also supports automatic full- and half-duplex modes so that
your Fast Ethernet devices will be operating at their maximum speeds.
Features
• Converts fiber optic data to UTP data and vice versa
• Supports 100BaseTX and 100BaseFX Fast Ethernet standards
• Supports fiber optic transmission up to 2KM
• Supports full- and half-duplex operating modes
• Backed by StarTech.com’s one-year warranty
Before You Begin
To ensure a quick and easy device installation, please read through this section carefully
before attempting to install the device.
WARNING! The Fast Ethernet converter must be installed and operated in an
environment with temperatures between 32-131ºF (0-55ºC) and humidity levels of 10-
95% (non-condensing). Make sure that the converter is kept away from heating sources
and that the vents at the side of the device are not blocked. Do not place any objects on
top of the device. Make sure that no water or moisture enters the unit. If necessary, use a
dehumidifier to reduce humidity near the device.
Requirements
You must be using Category 5 or above UTP media cables and 62.5/125 micron
multimode ST or SC fiber optic cables in order to use this device.
NOTE: StarTech.com carries a wide range of UTP and fiber optic cables to suit your
networking needs. Visit www
.startech.com and click on the “Networking” tab for
product information, as well as ideas and suggestions on setting up your network.
Contents
This package should contain:
• 1 x Fast Ethernet converter
• 1 x power adapter
2
Installation
This section will guide you through the installation of your Fast Ethernet converter.
Please read through the instructions carefully and complete each step in the order listed.
WARNING! Exposure to live fiber optic cable can potentially pose an irreversable threat
to your vision. Under no circumstances should you look directly into a fiber optic
cable. Before you begin make sure that all devices are turned off and disconnected and
keep fiber optic cables pointed away from your eyes and face at all times. The delicate
nature of fiber optic cabling also means it can be easily damaged or broken. Be sure to
handle fiber optic cables carefully.
1. Plug your Category 5 or above UTP cable into one of the RJ-45 ports on the back of
the device.
NOTE: If the other end of the cable is connected to a PC or adapter, you should use a
straight-through cable and the converter’s Normal port. If the other end of the cable is
attached to a hub or switch, you should use a crossover cable and the Uplink port.
2. Remove the rubber dust caps from the 100BaseFX ports. Plug your ST or SC fiber
optic transmission cable into the Tx port. Plug your receiving cable into the Rx port.
You should re-install the dust caps when the device is not in use.
3. Plug one end of the power supply into the 12V DC port on the converter. Plug the
other end into an available electric socket. The green Power LED should now be lit.
3
ET9003ST
Power
Connector
Connects to
PC or adapter
Connects to
hub or switch
Connects to
ST fiber optic
transmission
cable
Connects to
ST fiber optic
receiving
cable
Power
Connector
Connects to
PC or adapter
Connects to
hub or switch
Connects to
SC fiber optic
transmission
cable
Connects to
SC fiber optic
receiving cable
ET9003SC
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