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WDR-516S Installation Guide
32
Rev 1.0(93/11)
12. Connecting & Configuring Serial Ports for Pan/Tilt/Zoom
12.1. Connecting Serial Port
The WDR-516S has most major PTZ protocols already pre-programmed. Makes and models not
supported can still be controlled using the Transparent Protocol. For a list of supported protocols, refer to
the list on the OSD Configuration menu.
12.1.1. Connecting RS232
Fix the wire to 1~3 pins (RX, TX, GND).
12.1.2. Connecting RS485
Fix the wire to 4~5 pins and 8 pin (R+, R-,GND).
12.1.3. Connecting RS422
Fix the wire to 4~8 pins (R+, R-, T+, T-, GND).
GND
T-
T+
R-
R+
GND
R- R+
RXD
TXD
GN