Connecting The Rs-485 Device - Samsung SRD-830D User Manual

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
ALARM OUT

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.
22_ connecting with other device
ALARM IN ALARM IN
PTZ device
Half Duplex Type
Data (–)
Data (+)
Full Duplex Type
Rx(+)
Rx(–)
Tx(–)
Tx(+)
Rear
Tx(–)
Tx(+)
Rx(–)
Rx(+)