Filter
Top Products
DISTRIBUTION AMPLIFIERS
400-0155-002
6
6
INSTALLING YOUR DA1921SX 6
Step 1. Connect the 9V 500mA AC adapter’s
output plug to the DA1921SX’s power
input connector - 2.5 mm DC Jack. Verify
that the RED power LED turns ON.
Step 2. Remove the protective port covers.
Connect the video output from the
DA1920SX to the input connector on the
DA1921SX using the CAT-5 cable.
Step 3. Verify that the red LED on the face of the
unit has now turned green, indicating an
active source. If the LED is not green, the
DA1920SX may not be sending video
signals.
Step 4. Connect one or two monitors (as needed)
to the output connectors using the
appropriate VGA cable.
Step 5. Verify that the picture quality on Monitors
1 and 2 (connected to Output 1 and
Output 2 of the DA1921SX) is good. If
you are not receiving a signal, make sure
that the display is compatible with the
resolution of the computer graphics card.
Note: High levels of static discharge
under some conditions may shutdown the
unit. To reset the unit simply, disconnect
the input cable and reconnect it back.
OPERATION 7
There is only one adjustment necessary to operate
the DA1921SX. The adjustment is for equalization
on long cable runs. It is adjustable according to the
cable length. The unit will operate successfully as
long as cables are attached properly and other
technical specifications are followed.
7.1 LED INDICATOR
The DA1921SX offers a special LED on the
front panel that provides feedback to the user.
When power is connected to the DA1921SX,
the LED will turn Red. When a valid CAT5
source is connected to the DA1921SX, the LED
will turn Green, indicating that it is receiving a
signal by sensing the presence of the sync
portion of the signal.
7.2 EQUALIZATION
The DA1921SX provides an equalization
adjustment for long cable runs. Cable runs less
than 50 feet in length will require little to no
equalization. After that, the longer the cable,
the more equalization is required.
In some cases, it will be necessary to adjust the
equalization on both the transmitter and
receiver.
TROUBLESHOOTING GUIDE 8
We have carefully tested and have found no
problems in the supplied DA1921SX. 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 there is no video signal present. If
the LED is ON and GREEN, the unit is receiving
power and a SYNC signal.
Cause 1: No AC power.
Solution: Verify the adapter is plugged into a
working AC outlet and that the outlet
has power.
Cause 2: Adapter is not plugged into
DA1921SX.
Solution: Verify the DC power plug coming
from the AC adapter is plugged all
the way into the DA1921SX.