63
4
.
Matrix connection
Before connecting the matrix to the DVR by RS232 port,the user should confirm with the provider that if the
DVR has a matrix control protocol. After the connection, please set the matrix protocol to the DVR’s serialport
control,then the user can do operations such as control and switch through the panel or remote control.
CONTROL KEYBOARD
OUT
PROTOCOL CONVERSION
TRANSFORMER
220V
POWER
25
PIN
D V R
RS232
D V R
RS232