19
User Guide
Controlling the IPX with Multiple Servers for Redundancy
Multiple RXS-1 servers can run on the same network for redundancy. It is important only one
communicates at any given time or incomplete commands may occur between units communicating
simultaneously. IPBaseT Manager will only connect to one server at a time but it is important for every
PC running IPBaseT Manager they all point to the same server at the same time. If a server losses
communication, then all clients should reconnect to the same backup server.
When using 3
rd
party control systems, this can be done automatically. Have the control system send a
query to the RXS-1 to receive a response through the telnet connection. If no response is received, have
the 3
rd
party control device target the backup server until the main server starts to communicate again. Do
not use ping for this operation as it only confirms a network connection but does not confirm actual IPX
API Server operation. Pinging will be effective for diagnostics to determine if the network connection to
the server is lost or if there are significant delays in the network.
EDID and its Importance
One of the most forgotten setup procedures in AV systems is the EDID. The EDID comes from the
destination (display, VTC, recorder, etc.) and must be saved into the encoder and decoder HDMI input
ports. This allows the source (Blu-ray, computers, etc.) to know the capabilities of the destination. This
includes the audio type if any, video resolution and timing, color space, color depth, and more. If no EDID
is present an HDMI device will revert to lowest resolution in DVI mode which also means no audio. If the
wrong EDID is used, the image may look pink, green, or have no image at all. To make matters more
complex, if different destinations/displays are in use in a matrix configuration, then it is important to use
an EDID with a common denominator or only one or the other destination may work. In an ideal
installation all the destinations should have the same capabilities for optimal performance. I this is not
possible a scaler may have to be implemented to assist in the compatibility.
For example, there are 2 displays one 1080p the other 4k UHD. If the EDID of the 4K display is used, the
1080p will not see an image if the source is capable of 4K. If the 1080p EDID is used, then both will see
the image but the 4K will never benefit from 4K content. In a situation where this is unacceptable, a 4K
scaler can be used on the 1080p screen to down scale the 4K content so the 4K EDID can be used and
the better screen can have a benefit. Note scalers do add frame latency and can affect image quality
based on the quality of the scaler. This is why it is always ideal to use destinations with similar
capabilities for optimal performance.
Audio can be impacted just as easily. If a destination is 6-channel surround sound capable and the other
destination is not, then the EDID from the 5.1 destination cannot be used, or there will be no audio on the
other destination. In most commercial installations it should not be an issue to choose the lowest common
