DISTRIBUTION AMPLIFIERS
3
3
•
Any changes or modifications to the unit not
expressly approved by ALTINEX, Inc. could
void the user’s authority to operate the
equipment.
ABOUT YOUR DA1921SX
2
The
DA1921SX
is a high-resolution 1-in 2-out
computer video amplifier/receiver, which
converts
differential signals to single ended video signals
and distributes the source to large screen
projectors or other displays.
The
DA1921SX
is
designed for use together with an ALTINEX CAT-5
UTP Computer Video Transmitter, such as model
no.
DA1920SX
. The
DA1921SX
receives computer
video signals over twisted pair CAT-5 UTP
(Category 5, 5e, 6) type cable.
The
DA1921SX
is compact and easy to use. It
offers a female RJ-45 input connector and two fully
buffered female 15-pin HD output connectors.
The
DA1921SX
can receive signal resolutions
between VGA and UXGA. Used together with an
ALTINEX CAT-5 Computer Video Transmitter and
properly adjusted with the built-in equalization
controls, the maximum cable distance is
approximately 500 feet/152 meters for VGA (640 x
480, 60 Hz refresh rate) and 250 feet/76.2 meters
for UXGA (1600 x 1200, 60 Hz refresh rate).
Please see the complete specifications for other
resolutions.
Note that all cables for the
DA1921SX
must be
ordered separately.
TECHNICAL SPECIFICATIONS
3
FEATURES/DESCRIPTION
DA1921SX
GENERAL
Inputs
One
Input Connector
RJ-45
Outputs
Two
Local Monitor Connector
15-pin HD Female
Main Output Connectors
15-pin HD Female
Cable Distance Limitations
Signal Resolution Distance
640 x 480: 500ft/152m
800 x 600: 450ft/137m
1024 x 768: 400ft/122m
1280
x
1024: 350ft/107m
1600 x 1200: 250ft/76m
Table 1.
DA1921SX
General
MECHANICAL
DA1921SX
Material
0.1” Al
Finish
ALTINEX Grey
Top Panel
Lexan Overlay
Height (inches)
3.00in (76mm)
Width (inches)
4.50in (114mm)
Depth (inches)
1.00in (25mm)
Weight (pounds)
0.40lb (0.18kg)
Ship Weight (pounds)
2.4lbs (1.09kg)
T
°
Operating
10
°
C-35
°
C
T
°
Maximum
50
°
C
Humidity
90
%
non-condensing
MTBF (calculations)
40,000 hrs
Table 2.
DA1921SX
Mechanical
ELECTRICAL
DA1921SX
Input Video Signal
Analog Signal Level
Differential ±0.75V max
Impedance
50 Ohms
Input Sync Signal
Horizontal, Vertical, & C-Sync
Differential ±1V
Impedance
50 Ohms
Output Video Signals
Analog Signal Level
1.5V p-p
Fall/Rise Time (ns)
2.0
Impedance
75 Ohms
Output Sync Signals
Horizontal Sync
TTL (+/-)
Vertical Sync
TTL (+/-)
Frequency Compatibility
Typical Video Bandwidth
350 MHz @ -3 dB
Minimum Video Bandwidth
300 MHz @ -3 dB
Horizontal
15-200 kHz
Vertical
47-180 Hz
Cable Equalization at Each
Output
-3 dB @ 120 MHz
Coupling
AC
Cross-talk
-40 dB @ 10 MHz
Power
External Power Adapter
9V DC, 500 mA
Table 3.
DA1921SX
Electrical
