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Intelligent Keyboard controller control DVR
DVR
DVR
Users Manual
Intelligent Keyboard Controller
Function:
No need junction connection, common control line can be used, very
convenient.
Connection :
use 5PIN line to connect, DVR-CON port of Keyboard Controller connect
to Keyboard port of DVR,(DVR-CON's Ta match 3th core of Keyboard
port; DVR-CON's Tb match 4th core of Keyboard port); Device number :
01 and Device number :02 connect keyboard via standard control line.
Analogize like this.
CONNECTION DIAGRAM
connection
No.7 pin Ra of the main-keyboard
connect to No.9 pin Ta of the Sub-keyboard
No.8 pin Rb of the main-keyboard
connect to No.10 pin Tb of the Sub-keyboard.
DVR KB D + No.9 pin Tb of the
Main-keyboard (or No.3 pin of keyboard)
DVR KB D - No.10 pin Tb of the
Main-keyboard (or No.4 pin of keyboard)
No.1 DVR KB D + (or No.3 pin of keyboard)
parallel connection No.2 DVR KB D + (or No.3 pin of keyboard)
No.1 DVR KB D - (or No.4
pin of keyboard)parallel
connection No.2 DVR KB
D - (or No.4 pin of keyboard)
NOTE: please set the No. of the DVR from 1 to 31
Max can sub-connect 31 DVRs.
Auxiliary keyboard
host keyboard
Connect to ground
