Atlona AT PRO2HD88M - Manual (Page 6)

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Back Panel
1. Matrix IR IN - Used to control matrix I/O switching from a 3rd party IR controller.
2. Matrix IR Out - Global output, combines IR for all discrete IR output ports.
3. Firmware Update - Type B USB Port used for updating the matrix firmware only
4. RS-232 - Connect to this port for control from a computer or 3rd party controller.
5. Main Power - Plug included 24V/6.25A DC adaptor to power the matrix switcher
6. Audio Input Ports - 3.5mm stereo audio port enabled only when a DVI/D adaptor is connected,
disabled when HDMI cable is connected.
7. HDMI Input Ports - Connect HDMI sources into these ports, such as DVD players, Blu-ray players,
computers, etc.
8. 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.
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.
9. IR Out ports - Sends IR signal to sources through a 3.5mm mono IR emitter
10. CAT5e/6/7 Output ports - Extends video and bidirectional RS-232, IR, and audio signals through
a single CAT5e/6/7 cable.
11. Backup Power - Redundant power supply in case the main power supply fails. Includes second
24V/6.25A DC adaptor.
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