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The FOX II T HD 4K transmitter accepts HDMI video, at a resolution of up to 4K (4096x2160
at 30 Hz). The video input can also include embedded audio. The transmitter also loops the
HDMI input through for a local monitor.
The transmitter can accept an analog audio input on either a 3.5 mm mini jack or a 5-pole
captive screw connector. The transmitter automatically detects whether embedded audio is
present on the HDMI input. If none is detected, the transmitter selects the analog audio for
the unit to embed in the digital video stream and transmit to the receiver. An SIS command
selects either audio.
The transmitter accepts a one-way (transmitter-to-receiver) RS-232 and IR communication
signal input (for applications such as projector control). The transmitter can receive an
optional return (receiver-to-transmitter) stream of serial RS-232 and IR communications from
a controlled device, such as projector responses.
The transmitter converts the HDMI video, the selected audio, and the RS-232 serial
communication into a proprietary data stream and outputs it as an optical signal via fiber
optic small form factor pluggable (SFP) modules on a single LC connector to a compatible,
Extron FOX II fiber optic receiver. It also can receive an audio return channel.
The transmitter has a built-in color bars test pattern to assist in setting up the display.
The transmitter has many controls, including audio adjustments, that are available under
RS-232 and USB port SIS control. The unit also has video, audio, fiber light status, and
lost-light alarm indicators.
The FOX II T HD 4K transmitter is compatible with all Extron FOX II receivers only.
Fiber Cable Transmission Modes
The transmitter is further categorized by the type of fiber optic cable, multimode or
singlemode, which defines the effective range of transmission:
Multimode — FOX II T HD 4K MM, long distance, up to 2 km (6,560 feet) (depending on
the fiber cable)
Singlemode — FOX II T HD 4K SM, very long distance, up to 30 km (18.75 miles)
NOTE: The multimode and singlemode units are physically and functionally identical,
Features
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with the exception of the effective range of transmission. In this guide, any reference
applies to either transmission mode unless otherwise specified.
Ultra high performance — Offers lossless HDMI video transmission, up to 4K
(4096x2160 at 30 Hz).
Video input — The transmitter accepts an input from an HDMI source.
Loop-through — The transmitter has a digital video loop-through on an HDMI
connector that allows connection of a local monitor.
HDCP Compliant
Key Minder — Authenticates and maintains continuous HDCP encryption between
input and output devices to ensure quick and reliable switching in professional AV
environments, while enabling simultaneous distribution of a single source signal to one
or more displays.
EDID Minder — Automatically manages EDID communication between connected
devices to ensure that all sources properly power up and reliably display content.
FOX II T HD 4K Transmitter • Introduction
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