![](/images/new-backgrounds/1244373/24437363x1.webp)
12. Connecting & Configuring Serial Ports for Pan/Tilt/Zoom
12.1. Connecting Serial Port
The
12.1.1. Connecting RS232
Fix the wire to 1~3 pins (RX, TX, GND).
GN
TXD
RXD
12.1.2. Connecting RS485
Fix the wire to 4~5 pins and 8 pin (R+,
GND
R+ R-
12.1.3. Connecting RS422
Fix the wire to 4~8 pins (R+,
GND
T-
T+
R-
R+
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