18
PELCO Keyboard (or compatible) Installation
RS-422 interface is used for communicating PELCO keyboard. Refer to Fig. 1;
connect R+ of the camera to T+ of the PELCO keyboard. Connect R- of the camera
to T- of the PELCO keyboard.
User could adjust Camera ID via rear panel keys or via remote commands. Protocol,
Speed and Parity should only be adjusted via rear panel keys.
Communication
Setting
1 ~ 255 for P protocol
CAMERA ID
1 ~ 255 for D protocol
PROTOCOL
PELCO
SPEED
2400, 4800, 9600, 115200
PARITY
NONE
The speed of camera should be the same as the speed of the keyboard. Adjusted
function is only effective, after exiting the OSD setup menu.
<Note>
•
Maximum cable distance for RS-485 communication over 24-gauge wire is 4,000
feet (1,219 m). Recommend using shielded twisted pair cable that meets the
basic requirements for EIA RS-485 applications.
Fig.1
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