Lumagen HDMI-CAT6 Extender - Manual (Page 3)

© 2010 Lumagen, Inc. page 3 of 5 Rev 1.1
Connection order is important so ground signals in the CAT control
cable are connected first to reduce the chance that ground loop
current will damage equipment. Lumagen recommends connecting
cables in the following order:
- Insert the supplied 5-VDC power-supply into the HDMI-CAT6
Receiver’s 5-VDC jack, twisting it to make sure it seats all the way
into the case. Plug the power supply into the wall outlet.
- Connect the control CAT cable and then the video CAT cable into
the HDMI-CAT6 receiver.
- Connect the HDMI cable from the HDMI-CAT6 receiver to the
projector/display.
- Insert the supplied 5-VDC power-supply into the HDMI-CAT6
Transmitter’s 5-VDC jack, twisting it to make sure it seats all the
way into the case. Plug the power supply into the wall outlet.
- Connect the CAT cable for control and then the CAT cable for
video to their respective output on the HDMI-CAT6 Transmitter.
- Connect the HDMI cable from the source to the HDMI-CAT6
transmitter.
- Turn the system on.
Caution:
Be careful to not cross-wire the control and video cables as it may
damage the HDMI-CAT6 extender.
Caution:
Ground loops are common even in well-designed systems -- even
with power conditioners. Power conditioners do not prevent the most
common ground loop issues, which are related to the ground prong
on equipment with three prong power cords, and the difference in the
case ground voltage potential between equipment. Given the longer
distance involved, ground loops are generally worse for the source to
display/projector connection. To help prevent damage, audio and
video cables should be connected before power. This allows the
ground wires of the audio/video cables to handle any ground loop
current rather than the audio and video signals themselves.
© 2010 Lumagen, Inc. page 4 of 5 Rev 1.1
Status Indicator Lights:
There are two light-emitting-diode (LED) indicator lights on the
transmitter and on the receiver. These show the connection status as
described below:
- ACTIVE: On if the external 5-VDC power is supplied, and HDMI
“Standby Power” is active.
- VIDEO: On if the ACTIVE light is on, and the video input signals
are actively driven.
All the indicators on both the transmitter and receiver must be
illuminated for the HDMI-CAT6 extender to pass video/audio.
However, having all the indicators illuminated does not guarantee
that video/audio can be passed, or that the desired resolution can be
achieved for the system as configured. The lights indicate that power
is supplied, that the source’s “standby power” is active, and that the
video input signals are being driven, and not that video is being
correctly received.
Input Equalization Selection:
The transmitter and receiver each have an input-equalization (Input-
EQ) rotary switch with settings from 0 (no Input-EQ) to 7 (maximum
Input-EQ) to select the cable equalization for their respective input
cable. For short input cables, set input-EQ to 0. Input-EQ settings
range from 0 – 2 for up to 5 meters, 1 – 4 for 5 to 10 meters, and 2 – 7
for = 10 meters.
NOTE:
The Transmitter’s input equalization switch is set based on the
length of its input HDMI cable. The Receiver’s input equalization
switch is set based on the length of its input CAT cable.
For best performance multiple switch settings should be tested and
the average of the working settings should be used.
After the transmitter and receiver Input-EQ settings have been
selected, power down the system and then power on normally to test
that the video signal “locks” at power on. Acquiring signal “lock” is
harder than maintaining “lock.” A setting that works while changing
Input-EQ settings may not “lock” during power-on. While unlikely, if
this occurs, try other settings and test for power-on signal “lock.”