Magenta Research Voyager, Installation And User Manual

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Voyager Applications
INSTALLATION AND USER GUIDE 6
Application Notes
HDMI with HDCP-protected content – HDCP Key limit
When the video source is protected HDMI content (with HDCP), there may be a limit to the total number of
display devices allowed for a particular source device (PC, BluRay player, etc.).
This limitation is a function of the source device – not the Voyager extension. Sometimes the limit can be as low
as 1, 2 or 3 displays. To be certain – check the technical documentation for your source device, or conduct a
bench test to confirm that you can indeed drive the actual number of displays required for your application.
Note that the absolute maximum number of displays for HDCP ‐ protected content is 127, which is defined by
the HDCP content ‐ protection technology. Not all source devices will support this maximum.
For video switching applications using the Voyager Matrix products, please contact Magenta Research with any
concerns regarding HDCP “key limits”.
Using HDMI (with HDCP-protected content) with DVI outputs
When the video source is protected HDMI content (with HDCP), it will still be possible to view that protected
content by using a DVI ‐ RX module. Most displays equipped with only DVI connectors also accept HDMI video.
If there is any doubt regarding HDCP support within a particular display – the best way to confirm this is to
simply test it first.
Using RS232 Serial With Daisy-Chained Receivers
The following only applies if the ISA auxiliary module is being used with daisy ‐ chained receivers:
The VG ‐ TX2 CORE module can send RS232 serial traffic downstream (to receivers) using either (or both) optical
ports simultaneously. The VG ‐ RX CORE module is pre ‐ configured to behave as follows:

Serial traffic received on the Optical ‐ 1 port is sent to the ISA’s serial port on this receiver. Also, the same
serial traffic is immediately retransmitted to the Optical ‐ 2 port to the next receiver in the daisy ‐ chain.

Serial traffic entering the ISA’s serial port on this receiver is only sent upstream (to the VG2 ‐ TX) on the
Optical ‐ 1 port.

Serial traffic received on the Optical ‐ 2 port is immediately retransmitted to the Optical ‐ 1 port.