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13. KEYBOARD CONTROLLER
13.1 Connection
User may connect cameras and Keyboard through DVR in various ways.
Below shows the major probable connection methods through RS-485;
13.1.1 Configuration Diagram I
Single system configuration (1 Camera, 1 DVR)
13.1.2 Configuration Diagram II
Multiple system configuration (Multi Cameras, 1 DVR)
Tx+
Tx-
Rx+
Rx-
DVR 1
RS485
+
RS485
-
Tx1
Tx1
Tx2
Tx2
Tx3
Tx3
TRx
TRx
RS485
+
RS485
-
Tx+
Tx-
Tx+
Tx-
Tx+
Tx-
Tx+
Tx-
Max 16 camera
…
…
Multi port
Rx+
Rx-
Rx+
Rx-
Rx+
Rx-
Tx+ Tx- Rx+
Rx-
DVR PTZ Port
Tx1+
Tx1-
Tx2+
Tx2-
Tx3+
Tx3-
TRx+
RS485
Rx+
RS485
Rx-
TRx-