1 x 2 HDMI Distribution Amplifier
HD-120 Owner’s Manual
1 x 2 HDMI Distribution Amplifier
PureLinkTM
535 East Crescent Avenue
Ramsey, NJ 07446, USA
Tel: 201.488.3232
Fax: 201.621.6118
E-mail: info@purelinkav.com
www.purelinkav.com
For technical support, contact:
support@purelinkav.com
PureLink by Dtrovision
Table of Contents
1-1 Package Contents
p.3
1-2 General Specification
p.4
1-3 Operation and Reliability Specifications
p.5
1-4 Main Features
p.6
1-5 Video Connection
p.7
1-6 Mechanical Specification
p.8
1-7 Technical Specification
p.9
1-8 Warranty Information
p.10
1-9 Troubleshooting
p.11
2
PureLink by Dtrovision
1-1 Package Contents
Please make sure all of the following items are included in the package:
1) HD-120 Unit
2) DC 5V 2A Power supply adapter
3) Owner’s Manual
3
PureLink by Dtrovision
1-2 General Specification
PureLink HD-120 distribution amplifier is designed to distribute a single PC digital signal
into multiple monitor without any degradation of original signal quality or distortion of
the image. In addition, a dedicated IC chipset makes HD-120 capable of amplifying and
distributing highest quality of video signal and true HD digital contents.
HD-120 is compact, durable and low power consumption design makes it ideal solution
for connection for high definition video and audio signal of digital display device, such as
LCD, Plasma, LED, Projector, and etc.
In addition, HD-120 offers quick and easy plug and play, installation for commercial or
residential system.
Item
Description
Model
HD-120
Input type
HDMI Single Link , 1port
Output type
HDMI Single Link , 2port,
Graphic Resolution
VGA / SVGA / XGA / UXGA / WUXGA
480i/p , 720i/p , 1080i/p
DC Power Jack
Connector type
HDMI 19 Pin Female
DDWG HDMI 1.0
Supported format
HDMI 1.3A
HDCP Compliant
Yes
Power Consumption
DC +5V , 3W Max
Dimension
7.1’ (W) x 4.25’ (D) x 1.4’(H) mm
Weight
1.2 Lbs
4
PureLink by Dtrovision
1-3 Operation and Reliability Specification
1. Operating Environment
Temperature
: 50F ~ 104F (10℃~ 40℃)
Humidity
: 10% ~ 80%
Altitude
: 3,000m Max.
2. Transit Environment
Temperature
: -13F ~ 140F (-25℃~ 60℃)
Humidity
: 5% ~ 95%
Altitude
: 15,000m Max.
3. Storage Environment
Temperature
: -4F ~ -49F (-20℃~ 45℃)
Humidity
: 5% ~ 95%
Altitude
: 3,000m Max.
4. Reliability
MTBF: 90% at over 50,000 hours aging test
 In compliance with LCD Monitor reliability test standard
5
PureLink by Dtrovision
1-4 Main Features
1. High Quality Picture - No Signal Loss and Digital Noise Free
Our Distribution Amplifiers are built to deliver the highest quality picture preserving
the native resolutions of the video sources without any signal loss. At the same time,
the digital noises that may affect the picture quality will be eliminated. Due to the
nature of the digital signals and passing through multiple stages of connection when
using distribution amplifiers, it is important to eliminate the digital noises and boost
the signal strength to preserve/enhance the video signal quality.
2. Signal Amplification for signal reliability and long length signal transmission
Our 5V power adapter supplies adequate power to amplify the video signals from the
video source. This is necessary as the overall length from the video source to the
displays is longer when using the distribution amplifiers (distance from the video
source to the distribution amplifier + distance from the distribution amplifier to the
display). In most cases, the overall distance that the HDMI signal will need to travel is
over 10ft. Due to the nature of HDMI signals, amplification is necessary to warrant
the video quality and reliability. (Without amplification, there may be occasional
blackouts or blinking effects) With this amplification feature, your video display can
be extended up to 2300ft using our fiber optical HDMI cables.
3. HDMI (High Definition Multimedia Interface) v 1.3
HD-120 is consisting of HDMI input and output ports, and it is conforms to HDMI 1.3
standard.
4. HDCP (High-bandwidth Digital Content Protection) Compliant
Our HDMI distribution amplifiers are fully HDCP compliant. Many video sources such
as DVD players and Satellite/Cable Receivers are HDCP encrypted. For these video
sources to be displayed correctly, HDCP compliant devices (e.g., TV, HDMI Switch,
distribution amplifier) are required.
6
PureLink by Dtrovision
1-5 Video Connection
Video Connection
1. Turn off the whole system before connecting.
2. Connect your video source’s HDMI output port to the HD-120’s HDMI input port
using standard HDMI cables (not included).
3. Connect your HDMI display’s HDMI input port to HD-120’s HDMI output port.
4. Plug the 5V power supply to HD-120
5. Plug the 5V wall mount power supply into the wall outlet.
6. Turn on HD-120
7. Turn on your monitor
8. Turn on your video source.
9. Output# 1 and #2 status light will be lit if everything is properly installed.
EDID Management
PureLink HD-120 is capable of capturing and storing EDID of the monitor that is
connected to HD-120. It is essentially important that source graphic adapter must
recognize and understand the EDID of the connected monitor correctly in order to
describe supported display mode to graphic adapter.
Please follow the next instruction of how to save EDID on HD-120
1. Connect a monitor to output # 1 of HD-120
2. EDID indicator light will blink about 2-3 times, if EDID is successfully saved.
3. Please note that EDID indicator light will blinks 5-6 times, if EDID writing is failed.
In case EDID writing fails, you should check your physical connection.
4. Reboot HD-120 for the change to take effect.
***Notice***
Please note that a factory default EDID is set to WUXGA resolution. Thus you need to
save the EDID before you turn your system on.
7
PureLink by Dtrovision
1-6 HD-120 Mechanical Specification
HD-120 Dimension: 7.1’ (W) x 4.25’ (D) x 1.37’ (H) Inch / 1 lb
On/Off switch: Power Switch
POWER: Power Indicator
1 x 2 HDMI Distribution Amplifier
HD-120
EDID: EDID Indicator
EDID S/W: EDID save Button
OUT #1, #2: Output Signal Detection LED light
DC +5V: Power Receptacle
INPUT: HDMI connector
OUTPUT1, 2: HDMI Output
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PureLink by Dtrovision
1-7 Technical Specification
Frequency bandwidth: 1.65 Gbps (Single Link)
Supporting Graphic Resolution: Supports all standard display resolutions up to WUXGA (2048 X
1080 / 1920 X 1200 @ 60Hz), UXGA, SXGA, XGA, VGA & 480i/p, 720i/p, 1080i/p)
Inputs: Single HDMI Input / Output: Dual HDMI Output /Power supply: DC 5V, 2A Adapter
included
Connector Pin Assignment
HDMI Input, Output
Part No.
HDMI 19pin
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Description
TMDS DATA 2P
TMDS DATA 2 Shield
TMDS DATA 2M
TMDS DATA 1P
TMDS DATA 1 Shield
TMDS DATA 1M
TMDS DATA 0P
TMDS DATA 0 Shield
TMDS DATA 0M
TMDS Clock P
TMDS Clock Shield
TMDS Clock M
CEC
RESERVED
DDC Clock
DDC DATA
GND
+5v
Hot Plug Detect
9
Remarks
PureLink by Dtrovision
1-8 Warranty
2 (two) Year Warranty
Dtrovision warrants this PureLink HD-120 to be free from defects in workmanship and
materials, under normal use and service, for a period of two (2) year from the date of
purchase from Dtrovision or its authorized resellers.
If a product does not work as warranted during the applicable warranty period,
Dtrovision shall, at its option and expense, repair the defective product or part, deliver
to customer an equivalent product or part to replace the defective item, or refund to
customer the purchase price paid for the defective product.
All products that are replaced will become the property of Dtrovision.
Replacement products may be new or reconditioned.
Any replaced or repaired product or part has a ninety (90) day warranty or the reminder
of the initial warranty period, whichever is longer.
Dtrovision shall not be responsible for any software, firmware, information, or memory
data of customer contained in, stored on, or integrated with any products returned to
Dtrovision for repair under warranty or not.
Warranty Limitation and Exclusion
Dtrovision shall have no further obligation under the foregoing limited warranty if the
product has been damaged due to abuse, misuse, neglect, accident, unusual physical or
electrical stress, unauthorized modifications, tampering, alterations, or service other
than by Dtrovision or its authorized agents, causes other than from ordinary use or
failure to properly use the Product in the application for which said Product is intended.
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PureLink by Dtrovision
1-9 Troubleshooting
Problem
Distribution Amplifier
does not operate
No picture(or signal)
Or Poor picture
Incorrectly sized picture
/resolution or No picture
Solution
Make sure the 5V power is plugged in the back of the unit.
Check to see if the power LED light is on.
1. In case your video source is HDCP enabled, make sure
your video display (HDTV) is HDCP compliant.
2. If you are using copper based HDMI cable, overall length
of the cables (length of the cable from video source to
switch and length of the cable from switch to display)
should not exceed 20ft. Exceeding 20ft. with copper based
cables will result in no or poor picture quality. To extend
beyond 20ft, please use fiber optical HDMI extension cables
such as PureLink OC series.
3. Use high quality HDMI cables.
4. If you are using computers, try other refresh rate
settings. Most HDTV’s have refresh rate of 48Hz and
computer’s video cards are usually set at higher refresh
rate. Try lower refresh rates.
5. Make sure all HDMI connectors are tightly secured to all
HDMI ports. Loosened screws on the HDMI connectors will
result in no or poor picture.
6. Turn off all equipments (video source, switch and HDTV)
and restart all equipments.
Please remember that your video source will only transmit
one resolution setting. To connect varying resolution
displays (1920x1200 resolution display and 1024 x 768
resolution display) the resolution setting of your video
source must be set to the lowest resolution setting (1024 x
768).
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PureLink by Dtrovision
1.1
FCC/CE Statement
This device complies with part 15 of FCC Rules and EN 55022/55024/61000-3 for CE
certification. Operation is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must not accept any interference
received, including interference that may cause undesired operation. This equipment
has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 and 2 of FCC Rules and EN 55022/55024/61000-3 for CE certification.
These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and. if not installed and used in
accordance with the instruction guide, 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:




Re-orient 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 a service representative for help.
Properly shielded and grounded cables and connectors must be used in order to comply
with FCC/CE emission limits. Changes or modifications not expressly approved by the
party responsible for compliance could void the user s authority to operate the
equipment.
1.2
UL Statement
This device has completed a UL Commercial Inspection and Testing Services for the
multimode HDMI cable complied with VW-1 under UL 758. it is validated by the UL file
number SV2038 and project number 04CA05353.
12
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