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Introduction
This section contains general information about this guide and the FOX T USW 103
Universal Switcher with an integrated fiber optic transmitter, selected device features, and a
typical application diagram. Topics in this section include:
• About This Guide
• About the FOX T USW 103
• Key Features
• Application Diagram
About This Guide
This guide describes installation, operation, and control procedures, and reference
information for the FOX T USW 103 Universal Switcher with an integrated fiber optic
transmitter. In this guide, the terms “FOX T USW 103” and “switcher” are used
interchangeably to refer to the FOX T USW 103 Universal Switcher with an integrated fiber
optic transmitter in singlemode or multimode.
About the FOX T USW 103
The Extron FOX T USW 103 is a three input universal switcher with an integrated fiber optic
transmitter that provides long haul transmission of HDCP-compliant HDMI, RGBHV, or HD
component video; stereo audio; and RS-232 signals over fiber optic cabling. The switcher
delivers pixel-for-pixel transmission of images up to 1920x1200, including HDTV 1080p/60.
To configure and control the FOX T USW 103, connect a host device, such as a computer,
and enter Simple Instruction Set (SIS) commands (see Simple Instruction Set Control
on page 12) or use the FOX Extenders Control Program (see FOX Extenders Control
Program on page 20).
System Compatibility
The FOX T USW 103 operates in either of two modes, selected under RS-232 control, for
compatibility with other, non-HDMI, units:
• Plus — Supports resolutions up to 1920x1200 @ 60Hz. The fiber optic output of the
switcher can be received only by one of six receivers: a FOXBOX HDMI Rx,
FOXBOX DVI Plus Rx, PowerCage HDMI Rx, PowerCage FOX DVI Plus Rx,
FOXBOX SR HDMI, and PowerCage FOX SR HDMI.
• Non-Plus — Supports resolutions up to 1600x1200 and 1080p @ 60 Hz (including
HDTV 1080p/60 Hz), is HDCP compliant, and does not contain embedded audio
(analog audio is still supported). The fiber optic output of the transmitter can be received
by any FOXBOX, PowerCage FOX, and FOX 500 VGA and DVI unit, including the Plus
and non-Plus units.
Cable Transmission Modes
The transmitter is further categorized by the type of fiber optic cable, multimode
(FOX T USW 103 MM) or singlemode (FOX T USW 103 SM), which define the effective
range of transmission:
• Multimode — Long distance, up to 2 km (6,560 feet) (depending on the fiber cable)
• Singlemode — Very long distance, up to 30 km (18.75 miles)
1FOX T USW 103 Universal Switcher • Introduction