14_ connecting
CONNECTING THE RS-485
DEVICE
You can connect an RS-485 device through a
rear port of the product. For example, you can
c
onnect and control PTZ cameras supporting the
RS-485 communication.
You can also adopt either Half Duplex or Full
Duplex method for exchanging data.
Supportable baud rates are 600, 1200, 2400,
4800, 9600, 19200, and 38400.
CAUTION
Check if the RS-485 device is
compatible with the product first.
Then pay attention not to change
the polarity (+/-) of RS-485 when
connecting it.
PTZ device
Half Duplex Type
Data (–)
Data (+)
Full Duplex Type
Rx(+)
Rx(–)
Tx(–)
Tx(+)
Rear
Tx(–)
Tx(+)
Rx(–)
Rx(+)
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