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Introduction
This section gives an overview of the Extron SW4 12G HD-SDI switcher. Topics include:
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About this Guide
This guide describes the SW4 12G HD-SDI switcher and discusses how to install, configure,
and operate it.
In this guide, the terms "SW4 12G HD-SDI" and "switcher" are used interchangeably to refer
to the SW4 12G HD-SDI switcher.
About the SW4 12G HD-SDI Switcher
The Extron SW4 12G HD-SDI is a four-input, two-output 12G-SDI switcher. It switches
multi-rate SDI video, embedded audio, and other ancillary data between four source devices
and delivers simultaneous output signals to a pair of SDI displays or sink devices. The
SW4 12G HD-SDI supports video resolutions up to 4K @ 60 Hz, HDR, and data rates up
to 11.88 Gbps, including all common serial digital video data rates specified by SMPTE
and ITU standards. To ensure signal integrity over long cable runs, the switcher features
automatic input cable equalization and output reclocking. The SW4 12G HD-SDI provides
RS-232, front panel, and auto-input switching control options.
Features
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About this Guide
About the SW4 12G HD-SDI Switcher
Features
Application Diagram
Inputs — Four female BNC connectors.
Outputs — Two female BNC connectors.
Automatically adapts to SMPTE and ITU digital video standards for SDI signals
up to a 12G-SDI data rate.
Supports data rates from 270 Mbps to 11.88 Gbps.
Supports video resolutions up to 4K @ 60 Hz — The SW4 12G HD-SDI supports
resolutions up to 4096x2160 @ 60 Hz with 4:2:2 or 4:2:0 chroma sampling at 10 bits
per color.
Support for High Dynamic Range (HDR) video — Enables greater contrast range
and wider color gamut by providing the necessary video bandwidth, color depth, and
metadata interchange capability for HDR video.
Dual buffered output — Allows for simultaneous viewing and recording of the selected
input signal, eliminating the cost of a separate distribution amplifier.
Automatic input cable equalization — Compensates for attenuation on the selected
signal and automatically equalizes cables at distances up to 230 feet (70 meters) for
12G-SDI signals, 787 feet (240 meters) for HD-SDI, and 984 feet (300 meters) for SDI.
SW4 12G HD-SDI • Introduction
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