Atlona AT PRO3HD44M V3 User Manual
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Back Panel
1. RS-232 - Connect to this port for control from a computer or 3rd party control box.
2. LAN Port - For TCP/IP control
3. Matrix IR IN - Used to control matrix I/O switching from a 3rd party IR control box.
4. Matrix IR Out - Global output, combines IR for all incoming zones.
5. Firmware Update - Type B USB Port used for updating matrix firmware
6. HDMI Input Ports - Connect HDMI sources into these ports, such as DVD players, Blu-ray players,
computers, etc.
7. Zone dedicated ports
a. IR 3.5mm mono In ports: Used in conjunction with 3rd party IR control box to extend IR
control commands to video displays over category cable.
b. IR Out ports: Sends IR signal to sources through a 3.5mm IR emitter
Note: Be sure you’re using a mono to mono 3.5mm IR cable for 3rd party control boxes,
stereo 3.5mm cables are not compatible.
c. Coax Out (S/PDIF): Audio de-embedding for distribution amplifiers and AVRs.
Compatible with LPCM 2Channel, Dolby 2.0, Dolby Digital 5.1, and DTS 5.1.
d. CAT5e/6/7 Out (RJ45): Extends video and bi-directional RS-232, IR, and audio signals
through a single category cable.
8. Power Port - Use included locking DC adaptor to power the matrix switcher
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