StarTech.com ST121UTP23GB Manuale utente
Manual Revision: 02/06/2018
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ST121UTP232
ST121UTP23GB
VGA Video Extender over Cat 5 with RS232
*actualproduct mayvary fromphotos
Instruction Manual
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B 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 o 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 dierent from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only and do not
represent an endorsement of a product or service by StarTech.com, or an endorsement of the
product(s) to which this manual applies by the third-party company in question. Regardless
of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby
acknowledges that all trademarks, registered trademarks, service marks, and other protected
names and/or symbols contained in this manual and related documents are the property of
their respective holders.
Instruction Manual
i
Table of Contents
Introduction............................................................................................1
Packaging Contents ................................................................................................................................. 1
System Requirements.............................................................................................................................. 1
Installation ..............................................................................................2
Hardware Installation .............................................................................................................................. 2
Specications..........................................................................................5
Technical Support ..................................................................................6
Warranty Information............................................................................6
Instruction Manual
1
Introduction
Packaging Contents
• 1 x ST121UTP232 Transmitter unit
• 1 x ST121UTP232 Receiver unit
• 2 x Power Adapter
• 2 x Rubber Stopper set
• 1 x Instruction Manual
System Requirements
• VGA enabled video source and display
• Serial Device: RS232 only
• Available power outlet for both Transmitter/Receiver units
• Point-to-Point Cat5 UTP Ethernet connection
Instruction Manual
2
Installation
This product is composed of two separate units: the Transmitter Unit and the Receiver
Unit. The Transmitter Unit takes the output from a VGA and/or RS-232 Serial data
source and transmits it to the Receiver unit over Category 5 Ethernet cable. The signal
source (VGA and/or Serial) is connected to a Transmitter unit, which transmits the
signal to the Receiver unit, up to 300m away. The remote display connects to the
Receiver unit using a standard VGA connection and displays the image from the local
computer on the remote display.
NOTE: The total length of cable between the Transmitter and Receiver units cannot
exceed 1000 feet (300 meters), including patch cables (if used).
NOTE: Long cable lengths between the Transmitter and Receiver units may adversely
aect image quality at high resolutions and refresh rates. If you need to run your
remote displays at high resolutions and frequencies, use as little Ethernet cabling
between locations as possible and avoid practices such as“coiling”unused cable in a
ceiling or behind the display.
Hardware Installation
VGA output
RJ45 port
DB9 input
VGA input
Power
connector/LED
Front View - Transmitter Unit
Rear View - Transmitter Unit
Instruction Manual
3
Preparing Your Site
Prior to installation, please ensure that the site is prepared to accommodate the
location of the Transmitter and Receiver units.
1. Determine where the local computer will be located and set up the computer.
2. Determine where the remote display(s) will be located and place/mount them appropriately.
3. If you are using surface cabling, ensure you have enough Category 5
unshielded twisted pair (UTP) Ethernet cabling to connect the Transmitter
Unit to the Receiver unit’s location, and that each end is terminated with a
RJ-45 connector.
OR
If you are using premises cabling, ensure that the Category 5 unshielded
twisted pair (UTP) Ethernet Cabling between the Transmitter Unit and the
Receiver unit has been properly terminated in a wall outlet in each location
and there is a patch cable long enough to connect the Receiver unit and the
Transmitter Unit to their respective outlets.
4. Ensure that both the remote and Transmitter units are close enough to an
available power outlet, to safely connect.
Please note that the following instructions assume that both Serial and VGA
Contrast/
Brightness
Adjustment
RJ45 port
DB9 output
VGA output
Power
connector/LED
Front View - Receiver Unit
Rear View - Receiver Unit
Instruction Manual
4
connections will be used. If you are using the extender with only serial or only VGA,
please disregard any steps pertaining to the unused connection.
Installing the Transmitter Unit
1. Place the Transmitter Unit near the computer/video source.
2. Switch o the computer and disconnect any existing VGA connections.
3. Connect one end of a standard male/male VGA cable to the port marked VGA IN,
located on the rear panel of the local unit.
4. Connect the remaining end of the VGA cable used in step 3, to the VGA out port on
the computer video card (or other signal source).
5. Connect one end of an RS-232 Serial cable to the port marked RS232 IN on the
Transmitter Unit.
6. Connect the remaining end of the RS-232 cable used in step #5, to the Serial
output port on the host computer.
7. Insert the round, metal connector from the included power adapter to the port
marked POWER on the rear panel of the Transmitter unit.
8. Connect the remaining end of the power adapter to an available power receptacle.
9. Optional: If you wish to locate a display near the video source, please insert the
VGA cable provided by the monitor/display to the VGA OUT port located on the
front panel of the Transmitter unit.
Installing the Receiver Unit
1. Place the Receiver Unit near the display and/or serial peripheral you wish to use.
2. Connect the VGA display to the port marked VGA OUT, located on the rear panel of
the Receiver unit.
3. Connect the RS232 OUT port located on the rear panel of the Receiver Unit to the
desired Serial peripheral.
4. Connect the rounded metal connector from the included power adapter to the
port marked POWER on the rear panel of the Receiver unit.
5. Connect the remaining end of the power adapter to an available power receptacle.
Linking the Transmitter and Receiver Units
Once the Transmitter and Receiver Units have been situated and installed, connect the
two devices together using standard Cat5 Ethernet cable terminated at both ends with
an RJ45 connector. For longer transmissions, it is advisable to use as little Cat5 cable
as possible (i.e. avoid using excess cable), to ensure optimum picture quality at the
remote display
Instruction Manual
5
Specications
Connectors (Transmitter)
2 x DE-15 VGA female
1 x 9-pin DB9 male
1 x RJ45
Connectors (Receiver)
2 x DE-15 VGA female
1 x 9-pin DB9 male
1 x RJ45
Input Signal
RGB Analog (75Ω, 0.7Vp-p) + DATA
H/V Sync Separated (TTL)
RS232 Data
Maximum Video Resolution 1600x1200
Maximum Distance 984 ft. (300m)
Video Bandwidth 150MHz
Horizontal Frequency Range 30-95KHz
Vertical Frequency Range 50-180Hz
Power Supply 12VDC, 500mA
Dimensions 44.0mm x 133.0mm x 70.0mm
Weight 1400g (combined)
Instruction Manual
6
Technical Support
StarTech.com’s lifetime technical support is an integral part of our commitment to
provide industry-leading solutions. If you ever need help with your product, visit
www.startech.com/support and access our comprehensive selection of online tools,
documentation, and downloads.
For the latest drivers/software, please visit www.startech.com/downloads
Warranty Information
This product is backed by a two year warranty.
In addition, StarTech.com warrants its products against defects in materials
and workmanship for the periods noted, 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 of StarTech.com Ltd. and StarTech.com USA LLP (or their
ocers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of prots, loss of business,
or any pecuniary loss, arising out of or 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.
Hard-to-nd made easy. At StarTech.com, that isn’t a slogan. It’s a promise.
StarTech.com is your one-stop source for every connectivity part you need. From
the latest technology to legacy products — and all the parts that bridge the old and
new — we can help you nd the parts that connect your solutions.
We make it easy to locate the parts, and we quickly deliver them wherever they need
to go. Just talk to one of our tech advisors or visit our website. You’ll be connected to
the products you need in no time.
Visit www.startech.com for complete information on all StarTech.com products and
to access exclusive resources and time-saving tools.
StarTech.com is an ISO 9001 Registered manufacturer of connectivity and technology
parts. StarTech.com was founded in 1985 and has operations in the United States,
Canada, the United Kingdom and Taiwan servicing a worldwide market.
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