Samsung SRD-852D user manual Connecting the RS-485 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

ALARM OUT ALARM IN ALARM IN

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	PTZ device
product first.
 Pay attention not to change the polarity (+/–) of the	Half Duplex Type
RS-485 device when connecting it.	Data (–)
 Depending on camera’s type, connection polarity can be	Data (+)
different.
For further information, refer to the respective PTZ
Camera’s documentation.
	Full Duplex Type
	Rx(+)
	Rx(–)
	Tx(–)
	Tx(+)

Rear

Tx(–)

Tx(+)

Rx(–)

Rx(+)

20_ connecting with other device