CONNECTING THE RS-485

DEVICE

You can connect an RS-485 device through a rear port of the product. For example, you can connect and control PTZ cameras supporting the RS-485 communication.

You can also adopt either Half Duplex or Full Duplex method for exchanging data.

PTZ device

 

 

 

 

Rear

 

 

 

 

 

 

Half Duplex Type

 

 

 

 

 

Data (–)

 

 

 

 

 

 

 

 

 

Tx(–)

 

 

 

 

Data (+)

 

 

 

 

 

 

 

 

 

 

 

 

Tx(+)

 

 

 

 

 

 

 

 

 

 

 

Full Duplex Type

Rx(+)

Rx(–) Rx(–)

Tx(–)

Tx(+)

Rx(+)

Supportable baud rates are 600, 1200, 2400, 4800, 9600, 19200, and 38400.

Check if the RS-485 device is

CAUTION compatible with the product first.

Then pay attention not to change the polarity (+/-) of RS-485 when connecting it.

14_ connecting