TRENDnet ProView TV-IP512P User Manual page 72

Interface Schematic
1. Output device (load) is driven by external power supply.
2. Input device (active control device) has independent power supply.
3. RS-485 Interface.
RS-485+
RS-485-
TV-IP512P ProView PoE Internet Camera
AC/ DC
DO-
DO+
DI+
DI-
RS485_A
RS485_B
Load
Swivel stand
72