COP-USA DVRPRO04 - Manual (Page 60)

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Chapter 11 Chapter 11
CONFIGURING GENERAL PURPOSE I/O
The Din/Dout input of DVR can connect the optional Din/Dout cable to en-
able the connection of multiple sets of alarm equipment through the inde-
pendent alarm signal line. The 4 channel type DVR may have four DI/DO. the
8 channel type may have eight DI/DO,the 12 channel type may have eight DI/
DO, and the 16 channel type may have 16 DI/DO. The related DO relay
output and sensor input are configured as follows:
Figure 11-1: Rear View of DVR with GPIO interface