78 X75HD/X75SD Installation and Operation Manual
Chapter 4: System Installation and Connections
Video Connections
The following are direct single-link video connections (not via breakout
cables) visible on the rear of the X75HD/X75SD.
Digital Video Input
This six-pin IEEE-1394 connector, labelled DV, is reserved for future
use.
Serial Digital Input
These BNC connectors, labelled SDI In 1 and SDI In 2, accept serial
digital ITU-R BT.601 video and embedded audio data at a rate of
270 Mb/s. SDI In 1 has a relay bypass capability to SDI Out 1.
Serial Digital Outputs
These BNC connectors, labelled SDI Out 1 and SDI Out 2, provide the
processed and synchronized serial digital ITU-R-BT.601 video and
embedded audio at an output rate of 270 Mb/s.
HDTV Serial Digital Inputs
There are three HDTV video input connectors on the X75HD frame that
allow for three possible input choices. Choose from HD-Fiber,
HD In1, or HD In2.
HDTV Serial Digital Outputs
There are three available outputs on the X75HD frame: HD Fiber,
HD Out1, and HD Out2. All three outputs will contain the same
content.
Genlock Input
X75HD/X75SD models accept NTSC, PAL-B and Tri-Level Sync as
the reference sources to provide the stable clock-to-output signals. The
two Genlock BNC ports can be set either to Loop-Thru or Split
operation. You can select any feed for the Tri-Level Sync, but in Split
mode operation, you must select the port at which the signal is
connected. To select the port, follow Reference Setup>GL Source
Config. All other genlock parameters are accessible in the Reference
Setup menu.
There are three genlock connection modes: Loop-thru, Split-525, and
Split-625.
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