8
Installation Guide
AT-UHD-CAT-4ED
Dual-unit rack installation
1. Turn both units upside-down on a flat surface, next to each other, as shown.
2. Position the included mounting plates over the holes on the bottom of the enclosure.
When attaching mounting plates, the countersink bevels on the mounting plate should face
upward.
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
Countersink bevel
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
4
3
2
1
OUT
IN
HDMI
HDBaseT
LOCK
EDID
POWER
AT-UHD-CA
T-4ED
INT
LEARN
AT-RON-444
3. Turn the attached units over and install the rack ears to one side of each enclosure using the
included screws.
