TRENDnet TVIP522P manual Auto-Iris Connector DC drive, Gpio

TV-IP522P ProView Megapixel Internet Camera

Mic-In	The camera is equipped with an internal microphone, however this can be augmented
	by an external mic. Use this audio jack socket for an external microphone.
Line Out	Use this audio jack socket to connect to external speakers for two-way audio
	communication.
DC 12V	Insert the power adapter shipped with the camera directly if using the regular
	lens; or insert the power adapter cable on the infrared lens connected to the
	power adapter cable if using the infrared lens. This
	is used to supply power to the camera. The camera will boot up when connected to a
	power source. There is no separate power switch.
Auto Iris Connector	Use this for fine-tuning adjustment of Auto Iris lens. Auto Iris lens are not included
(DC drive)	with the camera. Please see the instructions of the lens manufacturer for more
	information.
	Note: Auto Exposure should be turned off when using an Auto Iris lens.
Reset	Use to reset device to factory default settings including IP address and administrator
	user name and password.
Ethernet	Connect the Ethernet cable here.
Ethernet (PoE)	Connect the Ethernet cable here. PoE connection provides network and device power
	on networks that support PoE.
GPIO	The camera provides the I/O connectors on the rear panel (pins 1/2 are for DC12V +/-
	, pins 3/4/5/6 are for Photo-Relay Inputs, pins 7/8 are for Photo-Relay Outputs and
	pins 9/10 are for RS-485 +/-), which provides the physical interface to send and
	receive digital signals to a variety of external alarm devices.

Auto-Iris Connector (DC drive)

The camera supports additional Auto Iris Lens(DC drive), and provides the power control signal required for adjusting the lens through this Auto-Iris Connector(DC drive)(4-pin) .You can attach any standard Auto Iris Lens(DC drive)(optional) for specific purposes such as outdoor applications.

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