23x Indoor Speed Dome Camera User's Manual

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.
. .
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