Atlona AT PRO3HD44M User Manual
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Back Panel
1. RS-232 - Connect to this port for control from a computer or 3rd party controller.
2. Matrix IR IN - Used to control matrix I/O switching from a 3rd party IR controller.
3. Matrix IR Out - Global output, combines IR for all discrete IR output ports.
4. Firmware Update - Type B USB Port used for updating the matrix firmware only
5. HDMI Input Ports - Connect HDMI sources into these ports, such as DVD players, Blu-ray players,
computers, etc.
6. Zone dedicated ports
a. IR 3.5mm mono In ports: Used in conjunction with 3rd IR party controller to extend IR
control commands to video displays over CAT5e/6/7.
b. IR Out ports: Sends IR signal to sources through a 3.5mm mono IR emitter
Note: Be sure you’re using a mono to mono 3.5mm IR cable (i.e. AT-MINIMONO6) for 3rd
party control boxes, stereo 3.5mm cables are not compatible.
c. Coax Out: Audio Loop-out for Amplifiers and AVRs.
Compatible with LPCM 2Channel, Dolby 2.0, Dobly Digital 5.1, and DTS 5.1.
d. CAT5e/6/7 Out: Extends video and bidirectional RS-232, IR, and audio signals through a
single CAT5e/6/7 cable.
7. Power Port - Use included locking DC adaptor to power the matrix switcher
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