Revo RESPTZ37-1/HSC/HSW User Manual - Manual (Page 19)

REVO America www.revoamerica.com RESPTZ37-SERIES
17
Video Out (BNC) Connect the video out (BNC) connector to the monitor or video input on
DVR.
Power In (3-pin) With power off, connect a certified/listed 24 VAC Class 2 power supply to
the dome camera connector.
RS-485 or RS-422
Keyboard
Controller (2-pin) The dome camera can be controlled remotely by an external device or
control system, such as a control keyboard, using RS-485 half-duplex, RS-
422 full duplex or simplex serial communication signals. Connect terminals
Tx+, Tx- to Tx+(Rx+) and Tx-(Rx-) of the RS485 control system.
If control system is RS-422, connect Rx+(Tx+), Rx+(Tx-) and Rx+, Rx- of
the dome camera to Rx+, Rx- and Tx+, Tx- of the control device
respectively.
Alarm Inputs and
Outputs (4-pin) Alarm Input (AL1 thru AL8 and GND): You can use up to 8 external
devices to trigger the dome camera to react to an event, such as a door that
has an alarm on it being opened. Mechanical or electrical switches can be
wired to the AL (Alarm In) and GND (Ground) connectors.
Alarm Output (NC/NO1 thru NC/NO4 and GND): The dome camera can
activate up to 4 external devices such as buzzers or lights upon motion
detection. GND is the common ground.
Refer to the Programming and Operation instructions for more information
on using these functions