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Introduction
1
The 4408 is an eight input, one output AES/EBU digital audio switcher with a choice
of rear connector to support balanced or unbalanced I/O. It is designed to fit in the
1050 3U and 1051 1U Pro-Bel ICON modular product rackframes.
The switcher provides a solution for small ancillary or monitoring matrices with the
benefit of simple button per crosspoint control.
The architecture of the modules allow crosspoint outputs to be bussed together to
allow switchers above eight inputs to be built. In addition the AES/EBU digital audio
switcher may be configured with other modules in the Pro-Bel range to form married
multi-level matrices.
An onboard rechargeable battery provides retention of crosspoint settings after
power loss.
Characteristics of the 4408 module are:
I/O selectable for balanced or unbalanced operation
•
easy expansion up to 64 inputs
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flexible control, with button per crosspoint or binary addressing
synchronised switching using an external video field pulse
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can be used with the 4405 re-framer for glitch-free switching
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standalone and master slave configuration
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crosspoint memory via battery backup
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card edge yellow LED crosspoint tally display
compatible with Pro-Bel COSMOS status monitoring
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2
4408
Issue 3
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