DVR User Manuel 64
Appendix A
1. Connection between a DVR and a RS-485 keyboard
Directly connect the keyboard to the DVR’s keyboard input using an RJ-45 cable. The DVR
provides 12V DC for the keyboard. There is no need to connect to your power adapter.
A DVR & A Keyboard connection diagram
2. Connections of multiple between DVRs and a RS-485 keyboard
To connect a keyboard with multiple DVRs , connect the RJ-45 cable from keyboard to the DVR’s RJ-45
keyboard input. There are up to 255 DVRs can be connected and addressed.
