DISTRIBUTION AMPLIFIERS
MANUAL PART NUMBER: 400-0077-003
PRODUCT REVISION: 2
DA1904SX
1 VGA - IN, 1 RGBHV + 1 VGA - OUT
DISTRIBUTION AMPLIFIER
USER’S GUIDE
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
·
Handle the DA1904SX Distribution Amplifier
carefully because dropping or jarring can
damage internal components.
PRECAUTIONS / SAFETY WARNINGS
1
Please read this manual carefully before using
your DA1904SX Distribution Amplifier. Keep this
manual handy for future reference. These safety
instructions are to ensure the long life of your
DA1904SX and to prevent fire and shock hazard.
Please read them carefully and heed all warnings.
·
Do not place heavy objects on top of the
DA1904SX. If the DA1904SX is to be
mounted to a table or wall, use only Altinex
made mounting accessories, such as mount
mini-brackets DA1295SX and cables for
optimum setup.
1.1 GENERAL
·
To turn off the main power, be sure to remove
the cord from the power outlet. The power
outlet socket should be installed as close to
the equipment as possible, and should be
easily accessible.
·
Unauthorized personnel shall not open the
unit since there are high-voltage components
inside.
·
Qualified Altinex service personnel, or their
authorized representatives must perform all
service.
·
·
Do not pull the power cord or any cable that is
attached to the DA1904SX Distribution
Amplifier.
1.2 SAFETY GUIDELINES FOR THE RACK-
MOUNTING OF THE DA1904SX
If the DA1904SX Distribution Amplifier is not
used for an extended period, disconnect the
power cord from the power outlet.
·
·
·
Maximum operating ambient temperature is
35 (degrees C).
Never restrict the air flow through the devices’
fan or vents.
1.4 CLEANING
Unplug the DA1904SX power cord before
·
When installing equipment into a rack,
distribute the units evenly. Otherwise,
hazardous conditions may be created by an
uneven weight distribution.
cleaning. Clean surfaces 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.
·
·
Connect the unit to a properly rated supply
circuit.
1.5 FCC / CE NOTICE
Reliable Earthing (Grounding) of Rack-
Mounted Equipment should be maintained.
·
·
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.
1.3 INSTALLATION
·
For best results, place the DA1904SX
Distribution Amplifier on a flat, level surface in
a dry area away from dust and moisture.
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
·
To prevent fire or shock, do not expose this
unit to rain or moisture. Do not place the
DA1904SX Distribution Amplifier in direct
sunlight, near heaters or heat radiating
appliances, or near any liquid. Exposure to
direct sunlight, smoke, or steam can harm
internal components.
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
2
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
used in accordance with the instruction
and loop output. Each monitor is fed from the
RGBHV output. In this system, the DA1904SX
units may receive their origin feed from an output
module (DA1902SX).
manual, 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.
TECHNICAL SPECIFICATIONS
3
FEATURES/DESCRIPTION
GENERAL
DA1904SX
·
Any changes or modifications to the unit not
expressly approved by Altinex, Inc. could void
the user’s authority to operate the equipment.
Input
1
Input Connector
Output
15-pin HD Female
2
ABOUT YOUR DISTRIBUTION AMPLIFIER 2
Loop Output Connector
Main Output Connector
Compatibility
15-pin HD Female
5 BNC Female
VGA, SVGA, XGA,
high resolution
The DA1904SX is a special distribution amplifier
that offers a 15-pin HD input, a RGBHV main
output (on 5 BNC connectors), and a 15-pin HD
loop output. This product provides a low cost
solution and connector adapter needs. This
configuration is very similar to that which is used
for interfacing VGA type signals. These signals
feed RGBHV to a main presentation display on
BNC connectors, which in turn feed the local
monitor from the loop output. The DA1904SX can
be used in this method although it does not
provide other interfacing features, such as Sync
Processing, Horizontal Positioning, etc.
RGBHV, RGBS, RGsB
and RsGsBs
Table 1. DA1904SX General
MECHANICAL
DA1904SX
Material
Finish
0.1” Al
Gray
Top Panel
Lexan
Height (inches)
Width (inches)
Depth (inches)
Weight (pounds)
Ship Weight (pounds)
T° Operating
T° Maximum
Humidity
3.00in (76mm)
4.50in (114mm)
1.00in (25mm)
0.4lbs (0.18kg)
2.0lbs (0.91kg)
10°C-35°C
The DA1904SX is primarily designed for RGBHV
format signals, but it is also capable of passing
RGBS and RGsB. The DA1904SX is extremely
compact and may be mounted to furniture or other
surfaces using optional hardware.
50°C
90% non-condensing
40,000 hrs
MTBF (calculations)
In addition to being used for small distribution
applications with two displays, the DA1904SX also
acts as an output module for the Altinex Serial
Distribution System. This is a system, which uses
the concept of creating a high-resolution video bus
in large distribution applications with many
displays. This system provides a lower cost and a
higher performance alternative to the concept of
feeding home runs (a run of cable) to a single
large distribution amplifier.
Table 2. DA1904SX Mechanical
ELECTRICAL
DA1904SX
Input Video Signal
Analog Signal
Impedance
Input Sync Signal
Horizontal, Vertical, & C-Sync
Sync on Green
1.5V p-p max
75 Ohms
TTL(+/-)
-0.3V
10 k Ohms
Impedance
Output Video Signals
In the Serial Distribution System, up to thirty
DA1904SX units may be installed at each monitor
location along the bus, which is created by using
VGA-type cables connected to the 15-pin HD input
Analog Signal
Fall/Rise Time (ns)
Impedance
Gain of 1.05 (+/-5%)
1.4
75 Ohms
3
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
Output Sync Signal
Composite Sync
Sync on Green
4.1 INPUT AND OUTPUTS
TTL(+/-)
-0.3V
22 Ohms
The DA1904SX is a special application distribution
amplifier providing one VGA (SVGA, XGA) type
input on a 15-pin HD connector and one RGBHV
buffered input on a 15-pin HD connector. It also
provides one RGBHV buffered output on 5 BNC
connectors and one VGA (SVGA, XGA) loop output
on a 15-pin HD connector. The loop output should
be no longer than twelve feet for most applications.
Typically, a VGA-type 15-pin HD male to 15-pin HD
male cable will be used. The DA1904SX may be
used. The DA1904SX may be used with a variety of
input cable types, though the cable should be of
high quality output.
Impedance
Frequency Compatibility
Typical Video Bandwidth
Minimum Video Bandwidth
Horizontal
Vertical
Coupling
Cross-talk
Power
External Power Adapter
Power Consumption
380 MHz
350 MHz
15-200 kHz
47-180 Hz
DC
-40dB @ 10MHz
9V 500mA
4 watts max.
Table 3. DA1904SX Electrical
DESCRIPTION OF DA1904SX
4
4
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
PIN No.
Input signals on 15-pin HD
female connector
Red
1
2
Green
3
Blue
4
5
No connection
Ground
6
Ground
7
Ground
8
Ground
9
No connection
Ground
10
11
12
13
14
15
No connection
No connection
Horizontal Sync
Vertical Sync
No connection
Table 4. The DA1904SX Input pin-outs
APPLICATION DIAGRAM
5
5
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
THE SERIAL DISTRIBUTION SYSTEM
Typically, the source signal is connected to the
input of a DA1902SX and this becomes the
starting point for the bus. The outputs are then
connected to the output modules, DA1904SX
which are usually located at each display site and
provides a way in which the display can be fed
while still maintaining a video bus output to several
monitors. A maximum of 30 DA1904SX units and a
total system length of no more than 300 hundred
feet are recommended for optimum performance.
See the Serial Distribution System diagram on the
following page for an example of the way in which
the Serial Distribution System can be applied.
In addition to acting as a single distribution
amplifier, the DA1904SX may act as a building
block in the Altinex Serial Distribution System. The
Serial Distribution system provides a method of
distributing a video signal to several displays in an
application where the displays are typically spread
a few distances apart. When numerous runs are
made from the displays back to a single
distribution amplifier at a centralized location, it is
known as the home run approach. The Serial
Distribution System, an alternative to the home run
approach, uses the concept of a video bus to
provide greater ease of installation and greater
flexibility. In the Serial Distribution System, the
DA1904SX acts as an output module.
6
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
INSTALLING YOUR DISTRIBUTION
AMPLIFIER
ACCESSORIES
8
6
Model No.
Description
RACK MOUNTING ACCESSORIES
DA1295RM Mount mini-brackets (2 – “L” shape)
VGA MALE TO MALE CABLES (15-
PIN HD TO 15-PIN HD)
Step 1. Make sure that the correct power adapter
is connected to the unit. A red LED will
light to indicate that the unit is receiving
power.
CB3703MR 3 ft
CB3706MR 6 ft
CB3715MR 15 ft
CB3725MR 25 ft
CB3750MR 50 ft (Super High Resolution Coaxes)
CB3775MR 75 ft (Super High Resolution Coaxes)
CB37100MR 100 ft (Super High Resolution Coaxes)
CB37150MR 150 ft (Super High Resolution Coaxes)
VGA MALE TO FEMALE CABLES
Step 2. Connect the video output of the source
(computer or other high-resolution
source) to the input of the DA1904SX
using a short, high quality coaxial-type
cable. Typically, this will require the use
of a VGA Male to Male cable (CB3700
Series).
Step 3. Connect monitors or projectors to the
main output of the DA1904SX using the
appropriate RGBHV (CB4200 Series)
type cables or adapter cables.
(15-PIN HD TO 15-PIN HD)
CB3903MR 3 ft
CB3906MR 6 ft
CB3915MR 15 ft
CB3925MR 25 ft
Step 4. If the DA1904SX is being used in the
Serial Distribution System, make sure
that the end of the video bus is properly
terminated with a monitor or with a
termination plug. This would usually be
done on the loop end of the DA1904SX.
An unterminated image will appear too
bright and may have a distorted color.
CB3950MR 50 ft (Super High Resolution Coaxes)
CB3975MR 75 ft (Super High Resolution Coaxes)
CB39100MR 100 ft (Super High Resolution Coaxes)
CB39150MR 150 ft (Super High Resolution Coaxes)
VGA TO RGB ADAPTER CABLES
MS8102CA 15 pin HD Male to 5 BNC Male, 6ft
MS8104CA 15 pin HD Male to 5 BNC Male, 15ft
MS8105CA 15-pin HD Male to 5 BNC Male, 50 ft
MS8106CA 15 pin HD Male to 5 BNC Female, 6 ft
MS8112CA 15 pin HD Female to 5 BNC Male, 6ft
MS8114CA 15 pin HD Female to 5 BNC Male, 15ft
POWER ADAPTERS
Step 5. Verify that the picture quality on all
displays is perfect. If you are not receiving
a signal, make sure that the display is
compatible with the resolution of the
computer graphics card.
PC5502US 9V 500mA Power Supply for US
PS5503US 9V 500mA Power Supply for US w/50 ft
wire
PS5512UK 9V 500mA Power Supply for UK
PS5522AU 9V 500mA Power Supply for Australia
PS5532GR 9V 500mA Power Supply for Germany
CONGRATULATIONS! YOU ARE DONE.
If you experience any problems, please call
1-800-258-4623 or 1-714-990-2300 for
international calls.
OPERATION
7
PS5542JP
9V 500mA Power Supply for Japan
The DA1904SX will operate successfully as long
as cables are attached properly and other
technical specifications are followed. There are no
other adjustments necessary to operate the unit.
7
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
format signals. Confirm the
compatibility of the display
equipment to be used in
system.
FREQUENTLY ASKED QUESTIONS
9
No: Question
Answer
1
What is a
Distribution
Amplifier?
A Distribution Amplifier is a
device that allows you to
connect a single video
source to multiple display
TROUBLESHOOTING GUIDE
10
We have carefully tested and have found no
problems in the supplied DA1904SX unit; however,
we would like to offer the following suggestions:
devices, such as monitors or
projectors used in
presentation applications.
The Serial Distribution
System is a system, which
uses the concept of creating
a high-resolution video bus
in large distribution
applications with many
displays. This system
provides a lower cost and a
higher performance
alternative to the concept of
feeding “home runs” to a
single large distribution
amplifier.
The DA1904SX has two
outputs: one 15-pin HD loop
output and one 5-BNC
RGBHV buffered output
2
What is the
Serial
·
·
·
·
Make sure that the correct power adapter is
connected to the unit.
Distribution
System?
Please make sure that the input amplitude of
the analog signal is less than 1.5V.
Please use the Altinex supplied external
adapter (9V, 500mA).
Please make sure that the proper quality of
cables is used. We recommend Altinex made
cables for the best results.
·
If a problem arises after continuous usage at
higher voltage, higher temperature, higher
humidity, or at other extreme environmental
conditions, please correct the problem.
3
4
Are the
outputs of
the
DA1904SX
buffered?
What does
buffered
output
Buffered output means that
the output signal is isolated
from the input signal. This
means that the loaded
output does not affect the
input or any other output on
the device. A buffered
output may vary in terms of
the gain or peaking
mean?
adjustments made to the
video signal.
5
Which type
of signal
format may I
pass through
the
The DA1904SX can pass
high-resolution RGBHV,
RGBS, RGsB, and RsGsBs
format computer video
signals. Many display
DA1904SX?
devices that use a 15-pin
HD (VGZ-type) connector
can only accept RGBHV
8
Download from Www.Somanuals.com. All Manuals Search And Download.
DISTRIBUTION AMPLIFIERS
without an RMA number may experience a delay
in service.
ALTINEX POLICY
11
11.1 LIMITED WARRANTY
If your product is out of warranty and needs
service, contact the Altinex Sales Department for
an RMA (Return Material Authorization). Products
returned without an RMA number may experience
a delay in service. The service charges will be
quoted to you before the actual repairs are done.
Altinex warrants that its products and cables are
free from defects in materials under normal use
and service. This warranty is limited to repairing at
company’s factory any part or parts of the
product, which upon company’s examination shall
disclose to be, thus defective. Products
considered defective should be returned to
company with transportation charges pre-paid
within 2 years (90 days for cables) from date of
shipment to the purchaser. The warranty is
expressly instead of all other warranties
expressed or implied. Altinex neither assumes nor
authorizes any other person to assume for it any
other liability in connection with the sale of the
products. This warranty shall not apply to any
product that shall have been repaired or altered
outside of company’s factory in any way so as, in
its judgment, to affect its stability or reliability, or
that has been subject to misuse, negligence, or
accident.
11.3 CONTACT INFORMATION
Sales Department
Phone: 714-990-2300
Fax: 714-990-3303
Accounting Department
Phone: 714-990-6088
Fax: 714-990-5778
11.2 RETURN POLICY
It is very important to Altinex that you receive the
products that you have ordered and that this
product meets your expectations. In the unlikely
event, that an Altinex product needs to be
returned please follow the policies below:
Altinex will accept product returns for a period of
30 days from authorized Altinex dealers. Products
must be returned in an unopened package.
If a product has been opened, the restocking fees
will apply. For the restocking fee amount, please
contact an Altinex Sales Representative.
If the product is in your possession for more than
30 days, the restocking fees will apply.
Altinex will not accept any returns on cables or
custom products.
If your product is in warranty and needs service,
contact the Altinex Sales Department for an RMA
(Return Material Authorization). Products returned
9
Download from Www.Somanuals.com. All Manuals Search And Download.
|