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38 Chapter 4: Matrox Radient eCL hardware reference
Matrox Radient eCL supports power over Camera Link (PoCL) and non-PoCL
compliant video sources. For compatibility with non-PoCL video sources, Matrox
Radient eCL features SafePower mode to supply power only after determining
whether the connected video source is PoCL compliant. The PoCL protection
on-board fuse can sustain a current of 0.4 A.
ChannelLink receivers
Matrox Radient eCL uses ChannelLink receivers to grab from Camera Link video
sources. Matrox Radient eCL-DB has two asynchronous ChannelLink receivers,
permitting eCL-DB to operate in dual-Base mode; whereas Matrox Radient
eCL-QB has four, permitting eCL-QB to operate in quad-Base mode. Matrox
Radient eCL-SF has three ChannelLink receivers that can only operate
synchronously. In single-Medium mode, Matrox Radient eCL-SF only uses two
of the receivers, whereas in single-Full mode, it uses all three receivers. Matrox
Radient eCL-DF has an additional three ChannelLink receivers that operate in
the same manner as those on eCL-SF, permitting eCL-DF to operate in
dual-Medium or dual-Full mode.
For Matrox Radient eCL-DB/QB, each ChannelLink receiver can receive up to
24 bits of video data and 4 bits of synchronization data from the video source, as
serialized data over four LVDS pairs; a clock is received from the video source over
a fifth LVDS pair.
For Matrox Radient eCL-SF, the first ChannelLink receiver has the same
capabilities as the ChannelLink receivers on Matrox Radient eCL-DB/QB. In
single-Medium mode, the second ChannelLink receiver can only receive up to
24 bits of video data and the third ChannelLink receiver is not used. In single-Full
mode, the second and third ChannelLink receivers can each receive 28 bits of
video data. The additional three ChannelLink receivers on Matrox Radient
eCL-DF operate in the same manner as those on the eCL-SF.
The ChannelLink receivers can operate at frequencies of 20 MHz to 85 MHz.
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