24_ connecting with other device
connecting with other device
• ALARM IN 1 ~ 8 (SRD-830/830D/830DC/850/850D/850DC/870/870D/870DC) : Alarm Input Port
• ALARM IN 1 ~ 16 (SRD-1610/1610D/1610DC/1630/1630D/1630DC/1650/1650D/1650DC/1670/1670D/
1670DC) : 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.
M
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.
M
Check if the RS-485 device is compatible with the
product first.
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.
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(+)
ALARM OUT
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