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4-port UTP VGA Video
Splitter/Extender
ST124UTP
ST124UTPLRR
ST124UTPR
Instruction Guide
The Professionals’ Source For Hard-to-Find Computer Parts
UTP VGA VIDEO
SP L I T T ER
* Actual product may vary from photo
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1
Table of Contents
Welcome 2
1. Introduction 3
2. The system components 3
3. The Central Unit 5
4. The Remote Long Range Unit 5
5. The Remote Short Range Unit ports 6
6. The cables 7
7. Connecting the System cables 7
8. Connecting the Screen cable 8
9. Connecting monitors to the Remote Units 8
10. Connecting a local KVM console 8
11. Connecting to the Power supply 8
12. The UTP Video Splitter Remote Long Range unit 10
The dipswitches 11
13. Operating the UTP VGA Splitter system 12
Adjusting the screen picture 12
For the Long Range Remote Unit – Adjusting the brightness 12
14. Technical Specifications 13
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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 precautions
This equipment generates radio frequency energy and if not installed in accordance with
the manufacturer's instructions, may cause radio frequency interference.
This equipment complies with Part 15, Subpart J of the FCC rules for a Class A
computing device. This equipment also complies with the Class A limits for radio noise
emission from digital apparatus set out in the Radio Interference Regulation of the
Canadian Department of Communications.
These above rules are designed to provide reasonable protection against such interference when operating the equipment in a commercial environment. If operation of this
equipment in a residential area causes radio frequency interference, the user, and not
StarTech.com, will be responsible.
Changes or modifications made to this equipment not expressly approved by
StarTech.com could void the user's authority to operate the equipment.StarTech.com
assumes no responsibility for any errors that appear in this document. Information in this
document is subject to change without notice.
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1. Introduction
With the UTP VGA Splitter system, broadcast your computer's
VGA screen to four remote monitors simultaneously. Broadcast
up to 250m/820ft using CAT5 UTP cables without loosing any
picture quality.
The UTP VGA Splitter system is compatible with VGA,
SVGA, or XGA video standards
2. The system components
The UTP VGA Splitter system components include:
• Central Unit - (2/4 port model)
• 2/4 Remote Units
• 2/4 UTP CAT5 System cables
• Cables (illustrated below)
• Power adapters
The UTP VGA Splitter Central Unit comes with either 2 or 4
ports.
The 2 Port Model can have 2 Remote Units connected to it,
while the 4 Port Model can have 4 Remote Units connected.
There are 2 Remote Unit models. The Short Range model can
be located up to 110m/360ft away from the computer, and the
Long Range model can be 250m/820ft away from the computer.
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The figure below illustrates the Central Unit 4-port model
configuration. The configuration is the same for the 2-port
model, except that there are only 2 Remote Units connected.
POWER
LOCAL MONITOR VIDEO IN
TO REMOTE UNITS
12
SD
P110
Central Unit
Optional keyboard,
monitor & mouse
34
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
Remote Unit 4
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
Remote Unit 3
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
Remote Unit 2
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
Remote Unit 1
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3. The Central Unit
The figure below illustrates the Central Unit front panel.
BROADCASTER
VGAUTP
SPLITTER
BROADCASTER
VGAUTP
SPLITTER
VGAUTP
SPLITTER
CENTRAL UNIT
The figure below illustrates the ports on the Central Unit 2 Port
rear panel.
POWER
Power connector
Screen
cable to
computer
System
cables to
Remote units
LOCAL MONITOR VIDEO IN
TO REMOTE UNITS
12
(optional)
local
monitor
The Central Unit 4-Port rear panel is the same with the addition
of 2 more RJ45 ports.
4. The Remote Long Range Unit
The figure below illustrates Remote Long Range Unit front
panel.
BROADCASTER
VGAUTP
SPLITTER
BROADCASTER
VGAUTP
SPLITTER
VGAUTP
SPLITTER
REMOTE UNIT
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The figure below illustrates the ports on the Remote Long
Range Unit rear panel.
POWER
Power connector
Monitor’s
cable
System cable
to Central Unit
MONITOR TO CENTRAL UNIT
Picture
adjuster
BR PICTURE
Brightness
adjuster
5. The Remote Short Range Unit ports
The figure below illustrates the ports on the Remote Short
Range Unit rear panel.
POWER PICTURE MONITOR TO CENTRAL UNIT
Power connector
Picture
adjuster
Monitor’s
cable
System cable
to Central Unit
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6. The cables
The cables used in the UTP VGA Splitter system are illustrated
below.
CAT5 UTP System cable
Screen cable
7. Connecting the System cables
The System cable consists of a single 4-pair CAT5 UTP cable,
2 x 4 x 24 AWG. The System cables connect the Remote Units
to the Central Unit.
To connect the System cable:
1. Connect one connector to the Central Unit's RJ45 #1 port.
2. Connect the other connector to one Remote Unit’s RJ45
port.
3. Connect another System cable to the other Remote Unit’s
System port and the Central Unit's RJ45 #2 port.
4. For the 4 Port Central Unit model connect another 2 Remote
Units with System cables to the Central Unit’s RJ45 ports
#3 and #4.
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8. Connecting the Screen cable
The Screen cable connects the Central Unit to the computer.
To connect the Screen cable:
1. Connect the HDD15M connector to computer’s video card.
2. Connect the HDD15F connector to the Central Unit 's Video
In port.
9. Connecting monitors to the Remote Units
To connect monitors to each Remote Unit:
1. Connect the monitor’s connector to Remote Unit’s Monitor
port.
10. Connecting a local KVM console
You can connect a monitor to the Central unit’s Screen Out port
and a keyboard and mouse to the computer. This gives you the
ability to update and see the data displayed on the remote
screens.
11. Connecting to the Power supply
The units come with the following power adapters:
Central Unit 2/4 port – 2 x 9 VAC, 1A from AC/AC adapter
Remote Long Range – 2 x 9 VAC, 1A from AC/AC adapter
Remote Short Range – 9 VAC, 1.5A from AC/AC adapter
Connect each unit to the Power supply with the Power adapter
and cord provided.
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The figure below illustrates the detailed connections of the UTP
VGA Splitter system
POWER
LOCAL MONITOR VIDEO IN
TO REMOTE UNITS
12
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
POWER PICTURE MONITOR TO CENTRAL UNIT
SD
P110
SD
P110
Central Unit
Remote UnitRemote Unit
CAT5 cableCAT5 cable
Screen cable
Optional keyboard,
monitor & mouse
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12. The UTP Video Splitter Remote Long
Range unit
The figure below illustrates the underside panel of the Remote
Long Range unit, with 4 sets of dipswitches. One set is not
used.
ON
2 3 41
DIP
ON
2 3 41
DIP
ON
2 3 41
DIP
ON
2 3 41
DIP
G
B
R
Not used
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The dipswitches
The dipswitches are used for RGB compensation. All 3 sets of
dipswitches must have the same settings.
Set dipswitches 1 – 3 of each set according to the cable length,
screen resolution and refresh rates. See the table below.
Note! Dipswitch number 4 is not used.
Cable Length Screen Resolution and Refresh Rates
M ft 640x480
75 Hz
800x600
75 Hz
1024x768
75 Hz
1280x1024
75 Hz
50 165 ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
100 330 ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
150 490 ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
200 650 ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
250 820 ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
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13. Operating the UTP VGA Splitter system
To prepare the system for operation:
1. Connect the system.
2. Switch on the computer, Central Unit, Remote Units and
remote display monitors. The computer screen image
broadcasts to all the Remote unit locations.
Adjusting the screen picture
When the picture sharpness on the remote screen needs
adjusting, use a screwdriver to turn the Picture Adjuster knob on
the Remote Unit.
For the Long Range Remote Unit – Adjusting the
brightness
When the picture brightness on the remote screen needs
adjusting, use a screwdriver to turn the Brightness (BR)
Adjuster knob on the Remote Unit.
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14. Technical Specifications
Video output
SVGA, VGA, XGA, or Monochrome
System cable length
With Remote Short Range 110m/360ft
With Remote Long Range 250m/820ft
Power adapters
Central Unit 2/4 port – 2 x 9 VAC, 1A from AC/AC adapter
Remote Long Range – 2 x 9 VAC, 1A from AC/AC adapter
Remote Short Range – 9 VAC, 1.5A from AC/AC adapter
Video signal
Analog signal: Red, Green, Blue 0.7Vp-p/ 75 ohms positive
Resolution
1024 x 768
Sync
TTL Compatible
Horizontal sync range
Sync positive/ negative
Vertical sync range
Sync positive/ negative
Cables
System 4-pair CAT5 UTP
: RJ45 / RJ45 connectors. 2 x 4 x 24 AWG
Screen: HDD15M / HDD15F connectors
Dimensions
Central Unit with 2 / 4 Ports
: 195 x 100 x 40mm
Remote Short Range Unit
: 113 x 90.5 x 40mm
Remote Long Range Unit
: 160 x 95 x 40mm
Operating temperature
Up to 50ºC/122ºF
Storage temperature
-40ºC to 70ºC/-40ºF to 158ºF
Humidity
80% non condensing relative humidity
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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
find the latest drivers for this product.
Call StarTech.com tech support for help:
USA/Canada: 1-519-455-4931
UK/Ireland/Europe: 00-800-7827-8324
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.
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