DISTRIBUTION AMPLIFIER
MANUAL PART NUMBER: 400-0045-006
DA1907LX
DITTO-AMP, 1-IN 2-OUT VGA
DISTRIBUTION AMPLIFIER
USER’S GUIDE
TABLE OF CONTENTS
Page
PRECAUTIONS / SAFETY WARNINGS...............2
GENERAL..........................................................2
HANDLING ........................................................2
CLEANING.........................................................2
FCC NOTICE .....................................................2
ABOUT YOUR DA1907LX...................................... 3
TECHNICAL SPECIFICATIONS.............................3
PRODUCT DESCRIPTION..................................... 5
APPLICATION DIAGRAMS ....................................6
DIAGRAM1: TYPICAL SETUP ..........................6
DIAGRAM2: INTERNAL VIEW ..........................6
INSTALLING YOUR DA1907LX............................7
OPERATION.............................................................7
TROUBLESHOOTING GUIDE ...............................7
LED IS NOT RED...............................................7
LED IS NOT GREEN..........................................7
NO REMOTE IMAGE .........................................8
POORIMAGE QUALITY ....................................8
ALTINEX POLICIES ................................................8
LIMITED WARRANTY/RETURNPOLICIES.......8
CONTACT INFORMATION................................8
DISTRIBUTION AMPLIFIER
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DISTRIBUTION AMPLIFIER
PRECAUTIONS / SAFETY WARNINGS 1
Please read this manual carefully before using your
DA1907LX and keep it handy for future reference.
These safety instructions are to ensure the long life
of your DA1907LX and to prevent fire and shock
hazards. Please read them carefully and heed all
warnings.
1.1 GENERAL
• Do not open the unit or power supply case; there
are high-voltage components inside.
• There are no user serviceable parts inside.
Qualified ALTINEX service personnel must
perform all service on the DA1907LX.
1.2 HANDLING
• For best results, place the DA1907LX on a flat,
leveled surface in a dry area away from dust and
moisture.
• To prevent fire or shock, do not expose this unit
to water or moisture. Do not place the
DA1907LX in direct sunlight, near heaters, or
heat-radiating appliances, or near any liquid.
Exposure to direct sunlight, smoke, or steam can
harm internal components.
• Handle the DA1907LX carefully. Dropping or
jarring can damage the unit.
• Do not pull any cables that are attached to the
DA1907LX.
• Do not place heavy objects on top of the
DA1907LX.
• If the DA1907LX Interface is not used for an
extended period, disconnect the adapter from
the wall to avoid fire, shock, and loss of power.
1.4 FCC NOTICE
• This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause
harmful interference, and (2) this device must
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 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a commercial
environment. This equipment generates, uses,
and can radiate radio frequency energy and if
not installed and used in accordance with
instructions found herein, may cause harmful
interference to radio communications. Operation
of this equipment in a residential area is likely to
cause harmful interference in which case the
user will be required to correct the interference
at his own expense.
• Any changes or modifications to the unit not
expressly approved by ALTINEX, Inc. could void
the user’s authority to operate the equipment.
1.3 CLEANING
• Unplug the DA1907LX adapter before cleaning.
• Clean only with a dry cloth. Never use strong
detergents or solvents such as alcohol or
thinner. Do not use a wet cloth or water to clean
the unit. Do not open the unit to clean.
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DISTRIBUTION AMPLIFIER
ABOUT YOUR DA1907LX 2
DA1907LX
Ditto-Amp, 1-In 2-Out VGA Distribution
Amplifier
The DA1907LX (Ditto-Amp) is a high-resolution,
1-In 2-Out Distribution Amplifier designed to allow
the connection of a single VGA-UXGA source to up
to two scan-rate compatible displays. Very
high-resolution video signals are able to pass
without degradation in the image quality.
The DA1907LX offers a female 15-pin HD input
featuring native Plug & Play compatibility with
Output 1. An internal Plug & Play memory option
may be selected at purchase for applications where
using the Plug & Play feature of the remote device
is not desired.
Compact and easy to use, the DA1907LX is perfect
for audiovisual installations where a single
computer needs to be connected to a projector (or
presentation monitor) and a local monitor
simultaneously. The DA1907LX has female 15 -pin
HD (VGA-type) connectors on all input and output
connectors so it can be used with readily available
standard VGA-type cables. If desired, the input
and/or output of the DA1907LX can be easily
adapted to 5 BNC connectors through ALTINEX
adapter cables.
The DA1907LX is compatible with RGsB, RGBS,
and RGBHV signal types, and using the proper
cable type the DA1907LX can be used with MAC,
SUN, or SGI platform computers.
TECHNICAL SPECIFICATIONS 3
Specifications are subject to change.
See www.altinex.com for up-to-date information.
FEATURES/
DESCRIPTION
GENERAL
Inputs
Input Connector 15-pin HD female (1)
Outputs
Outputs 1 & 2 15-pin HD Female (2)
Power
DC Power 2.5 mm jack (1)
Compatibility
Signal Types
Video Signal
Resolutions
Accessories Included
3 ft (1 m) Video Cable 15-pin HD M-M
Power Adapter +9VDC, 1.1 A
Table 1. DA1907LX General
DA1907LX
RGB, RGsB, RGBS,
RGBHV, YPbPr,
MAC, SUN, SGI
VGA through UXGA
and
480p through 1080i
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DISTRIBUTION AMPLIFIER
MECHANICAL DA1907LX
Material 0.1 in Al
Finish Gray
Top Panel Lexan
Height 3.0 in (76 mm)
Width 4.5 in (114 mm)
Depth 1.0 in (25 mm)
Weight 0.5 lb (0.2 kg)
Shipping Weight (approx.) 1.0 lb (0.5 kg)
T° Operating 10°C-35°C
T° Maximum 45°C
Humidity
MTBF (calculations) 40,000 hrs
Table 2. DA1907LX Mechanical
90% non-condensing
ELECTRICAL DA1907LX
Input Video Signal
Analog Signal Level 1.5 Vp-p max
Impedance 75 ohms
Coupling DC
Input Sync Signal
Horizontal/Vertical or
Composite
Sync on Green -0.3 V
Impedance 10 kohms
Output Video Signals
Gain 0 dB +/- 0.5 dB
Impedance 75 ohms
Coupling DC
Output Sync Signals
TTL (+/-)
Horizontal/Vertical or
Composite
Sync on Green -0.3 V
Impedance 10 kohms
Power Consumption
External Adapter: 9 VDC 280 mA (2.5 W max.)
Table 3. DA1907LX Electrical
TTL (+/-)
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PRODUCT DESCRIPTION 4
COMPUTER VIDEO
OUTPUT 2
15-PIN HD
COMPUTER VIDEO
OUTPUT 1
15-PIN HD
DISTRIBUTION AMPLIFIER
POWER/SIGNAL
PRESENT LED
COMPUTER VIDEO
INPUT
15-PIN HD
DC POWER
2.5 mm
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COMPUTER VIDEO
OUTPUT 2
15-PIN HD
COMPUTER VIDEO
OUTPUT 1
15-PIN HD
COMPUTER VIDEO
INPUT
15-PIN HD
DC POWER
2.5 mm
5
APPLICATION DIAGRAMS 5
DIAGRAM 1: TYPICAL SETUP
DISTRIBUTION AMPLIFIER
DIAGRAM 2: INTERNAL VIEW
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DISTRIBUTION AMPLIFIER
INSTALLING YOUR DA1907LX 6
Step 1. Connect the +9V AC adapter input to AC
voltage and the output plug to the
DA1907LX. Verify the LED in the top right
corner of the unit’s front panel turns on
and RED.
Step 2. Connect the video output from the
computer to the computer input connector
on the DA1907LX using the cable
provided. If a longer cable is required,
make sure that the cable uses internal
coaxial cables and that the cable is not
excessively long.
Step 3. Verify the LED on the face of the unit
changes from RED to GREEN indicating
an active signal is present. If the LED is
not GREEN, the computer may not be
sending video signals.
NOTE: If using a laptop computer, the
laptop may need to be set to
output to the display to the
external video port manually.
Step 4. Connect the display devices (monitors
and/or projectors) to Outputs 1 & 2 of the
DA1907LX.
Step 5. Verify the picture quality on both displays
is good. If there is no signal, make sure
that the display is compatible with the
resolution of the computer graphics card.
Step 6. The DA1907LX is now operational.
OPERATION 7
The DA1907LX requires no adjustments for
performance. Once set-up, the DA1907LX will work
trouble-free without user intervention.
TROUBLESHOOTING GUIDE 8
We have carefully tested and have found no
problems in the supplied DA1907LX; however, we
would like to offer suggestions for the following:
8.1 LED IS NOT RED
The LED should be ON and RED when power is
applied and ON and GREEN when the unit is
receiving power and a SYNC signal.
Cause 1: There is no AC power.
Solution: Verify the supplied adapter is
plugged into a working AC outlet
and that the outlet has power.
Cause 2: The adapter is not connected.
Solution: Verify the DC power plug coming
from the AC adapter is plugged all
the way into the DA1907LX.
Cause 3: The DA1907LX has a problem.
Solution: If there is AC power to the adapter
and the LED still does not turn on,
the DA1907LX or the power adapter
may require service. Call ALTINEX
at (714) 990-2300.
8.2 LED IS NOT GREEN
Cause 1: There is no power.
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Solution: Disconnect the video input from the
DA1907LX and verify the LED is ON
and RED indicating power is
present. Reconnect the computer's
video output. If the LED is still not
GREEN see Cause 2.
Cause 2: There is no Sync signal.
Solution: Verify the computer output is
operating correctly by connecting it
directly to a local monitor. If the
display is good, call ALTINEX at
(714) 990-2300.
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DISTRIBUTION AMPLIFIER
8.3 NO REMOTE IMAGE Cause 1: The source has a problem.
Solution: Check the image on a local monitor
and verify the quality is good. If the
local image is good, see Cause 2.
Cause 2: Cable connections are incorrect.
Solution: Make sure that all the cables are
connected properly and that the
continuity and wiring are good. If
there is still no image, call ALTINEX
at (714) 990-2300.
8.4 POOR IMAGE QUALITY Cause 1: The source has a problem.
Solution: Check the image on the local
monitor and verify the quality is
good. If the local image is good, see
Cause 2.
Cause 2 Signal transmission is poor.
Solution: Check the cables for continuity and
make sure that connections are
wired properly. If the image is still
not correct, call ALTINEX at
(714) 990-2300.
ALTINEX POLICIES 9
9.1 LIMITED WARRANTY/RETURN POLICIES
Please see the ALTINEX website at
www.altinex.com for details on warranty and
return policies.
9.2 CONTACT INFORMATION ALTINEX, Inc.
592 Apollo Street
Brea, CA 92821 USA
TEL: 714 990-2300
TOLL FREE: 1-800-ALTINEX
WEB: www.altinex.com
E-MAIL: solutions@altinex.com
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