Home Automation CAMERA SERVER 87A00-1 - Manual (Page 13)

④ Digital Output (DO 1-4)
The Camera Server has 4 12VDC Digital Outputs. The Digital Outputs can be connected as shown:
Digital Output Connections
⑤
RS-232C Terminal Blocks (RS-232C)
The RS-232C Terminal Blocks are used to connect an RS-232 serial device. The RS-232C serial port
consists of Transmit (Tx), Receive (Rx), and GND.
RS-232C Connection
7