
Io XT/4K Capture, Display, Convert v14.0 12 www.aja.com
HDCP is not supported on either input or output. Io XT/4K HDMI output does not
have HDCP, and input sources having HDCP are not supported. The HDMI input
is designed to support long cable runs—up to 100 ft. when using 22 or 24AWG
HDMI cable, or up to 50 ft. using 28 or 30AWG HDMI cable. The HDMI output
supports standard HDMI cables only.
RS-422 Machine Control
A female DE-9 connector on Io XT/4K provides connection for VTRs, camcorders,
disk media servers, and other devices using RS-422 SMPTE (Sony) protocol.
Reference Video and LTC Input
Two BNC connectors on Io XT/4K provide reference Input and Output. The
Reference Video input can also be used for LTC input. The selection of Reference
(sync) or LTC is set using the AJA Control Panel (
"Input Select Screen" on page 29
).
In Video Pass-through mode, these connectors are effectively loop-through.
Supplying reference signal to the Reference input allows you to synchronize
Io XT/4K outputs to your house analog reference video signal (or black burst).
If you have a sync generator or central piece of video equipment to use for
synchronizing other video equipment in your studio, then connect its analog
composite output here. When Io XT/4K outputs video, it uses this reference signal
for locking. When connecting a reference video source, the locking signal should
be the same format as the Primary format selected in the AJA Control Panel. It is
possible in some circumstances to use an alternate format video signal as long as
the basic frame rate is compatible.
Balanced Analog Audio Output
A 25-pin DB connector provides 8-channel, 24-bit D/A analog audio, 48kHz
sample rate, balanced via 8x XLR on DB-25 breakout cable. (Cable not supplied.)
12V Power Connector
A standard 4-pin XLR type connector is provided for either battery or line source
power using the supplied AC power adapter.
Io XT Connectors
These connectors are used only on the Io XT model.
Thunderbolt Ports
The Io XT provides first-generation Thunderbolt ports. Two ports are provided for
“daisy-chained” network configurations.
See
https://www.aja.com/solutions/thunderbolt
for more information about
Thunderbolt.
HD/SD SDI Input and Output
BNC connectors are provided on Io XT for two HD/SD-SDI inputs and two HD/
SD-SDI outputs. The input and output support video and embedded 24-bit
digital audio. Use SDI wherever possible for the best quality 10-bit uncompressed
video input, capture and output. If peripheral equipment has a variety of inputs/
outputs, look to see if it has SDI I/O, and use it where possible. Most high-end
professional broadcast equipment supports SDI (VTRs, cameras, media storage
servers, etc.).