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20_ connecting with other device
connecting with other device
ALARM IN 1 ~ 8 (SRD-852D) : Alarm Input Port
ALARM IN 1 ~ 16 (
SRD-1652D) : Alarm Input Port
ALARM RESET : On receiving an Alarm Reset signal, the system cancels the current Alarm Input and resumes
sensing.
ALARM OUT 1 ~ 4 : Alarm Output Port
CONNECTING THE RS-485 DEVICE
Connect the RS-485 device through the back port.
You can connect and control the PTZ camera which supports the RS-485 communication.
Transfer Type : You may select either Half Duplex or
Full Duplex as the data transfer type.
Baud Rate : Supported Baud rates are 600/1200/
2400/4800/9600/19200/38400.
Check if the RS-485 device is compatible with the
product fi rst.
Pay attention not to change the polarity (+/–) of the
RS-485 device when connecting it.
Depending on camera’s type, connection polarity can be
different.
For further information, refer to the respective PTZ
Camera’s documentation.
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ALARM OUT ALARM IN ALARM IN
PTZ device
Half Duplex Type
Data (–)
Data (+)
Full Duplex Type
Rx(+)
Rx(–)
Tx(–)
Tx(+)
Rear
Tx(–)
Tx(+)
Rx(–)
Rx(+)