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7. Applications
The PTZ camera, by itself alone or encompassed in different numbers of domes
with comprehensive matrix switching, is mainly for link to 4 different control means
(also known in different terms such as controller, console or host):
PC-based system
Keyboard controller
DVR
(Digital Video Recorder )
Video server
7.1 Controllers and RS-485
While most keyboards, DVRs and video servers are equipped with RS-485 port,
which can be directly connected to speed dome, desk top and notebook computers
usually don’t provide direct output of RS-485. Therefore an interface device (signal
converter) will be needed when computer is used as the controller.
Si
g
nal converte
r
Note:
Check the PC first to see if RS-232 port or USB port is available to the specific unit.
Some may have both while others only have one of the two.
. .
User’s manual 31