A controllable camera that is switched through a switcher can either be controlled through the switcher or directly from the
PTZ CAMERA | PTZ CAMERA | ||||
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VMX WORKSTATION
SWITCHER
VIDEO DISPLAY DEVICES
LEGEND
DATA
VIDEO
Figure 4. Two Cameras Controlled by Different Device Drivers
In Figure 4 video and data are transmitted over separate wires. In Coaxitron® transmission, however, both video and data are transmitted over a single coaxial cable, as illustrated by the camera on the left in Figure 5. Fixed cameras, like the one on the right, are not controllable and therefore do not transmit data.
VIDEO DISPLAY DEVICES
VMX WORKSTATION
LEGEND
DATA
VIDEO
COAXITRON
SWITCHER
FIXED CAMERA
PTZ CAMERA
Figure 5. Coaxitron and Fixed Camera Transmission
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