Warranty Manual
AT-GAIN-120
39
Appendix
Rack Mount Installation
The AT-GAIN-120 can be mounted in dierent ways, based on the number of units that are being installed.
When installed into a standard 19” rack, the AT-RACK-1RU will need to be purchased from atlona.com.
The AT-RACK-1RU can be used to either mount a single AT-GAIN-120 unit or it can be used to mount multiple half-
rack Atlona products, such as a AT-GAIN-120 and a AT-UHD-SW-510W.
AT-RACK-1RU
1. Place the AT-GAIN-120 on a at surface, upside down.
2. Turn the AT-RACK-1RU upside down, placing it on top of the AT-GAIN-120, as shown, and align the holes of the
AT-RACK-1RU, marked in blue, with the mounting holes on the AT-GAIN-120.
3. Use the included 7 mm screws to secure the AT-RACK-1RU to the AT-GAIN-120.
IMPORTANT: To prevent possible damage to the device, rack, and/or screws, do not overtighten or
use high-torque devices when securing the devices to the rack.
IMPORTANT: Before mounting the AT-GAIN-120 to the AT-RACK-1RU, remove the rubber feet from
the bottom of the unit.
PWR
VOL LEVEL
AUDIO AMPLIFIER
FWSIGNAL ANALOG IN
NET AUDIODEVICE ID
GAIN
TM
LAN
INPUT
NETWORK AUDIO
RESET RESET
LINE OUT
CLASS 2 WIRING CLASS 2 WIRING
TRIGGER MODE
MODEL:
dB
-22
-2
-4
-20
-19
-14
-9
-22
-2
-4
-20
-19
-14
-9
dB
ANALOG IN
L
4 / 8 Ω OUT 70V / 100V OUT
AT-GAIN-120
PWR: 100-120VAC 60Hz 120W
220-240VAC 50Hz 120W
L R
IP
4Ω
8Ω 100V
70V
R
INPUT GAIN
L R
PWR
VOL LEVEL
AUDIO AMPLIFIER
FWSIGNAL ANALOG IN
NET AUDIODEVICE ID
GAIN
TM
LAN
INPUT
NETWORK AUDIO
RESET RESET
LINE OUT
CLASS 2 WIRING CLASS 2 WIRING
TRIGGER MODE
MODEL:
dB
-22
-2
-4
-20
-19
-14
-9
-22
-2
-4
-20
-19
-14
-9
dB
ANALOG IN
L
4 / 8 Ω OUT 70V / 100V OUT
AT-GAIN-120
PWR: 100-120VAC 60Hz 120W
220-240VAC 50Hz 120W
L R
IP
4Ω
8Ω 100V
70V
R
INPUT GAIN
L R
PWR
VOL LEVEL
AUDIO AMPLIFIER
FWSIGNAL ANALOG IN
NET AUDIODEVICE ID
GAIN
TM
LAN
INPUT
NETWORK AUDIO
RESET RESET
LINE OUT
CLASS 2 WIRING CLASS 2 WIRING
TRIGGER MODE
MODEL:
dB
-22
-2
-4
-20
-19
-14
-9
-22
-2
-4
-20
-19
-14
-9
dB
ANALOG IN
L
4 / 8 Ω OUT 70V / 100V OUT
AT-GAIN-120
PWR: 100-120VAC 60Hz 120W
220-240VAC 50Hz 120W
L R
IP
4Ω
8Ω 100V
70V
R
INPUT GAIN
L R