Cisco Systems OL-28645-01 manual External microphone, Video output

Chapter 1 Overview

IP Camera Physical Details

4	Tilt adjustment screw	Used when tilting the camera to set the field of view.
5	Recessed reset button	Recessed button that reboots the IP camera or resets it to a
		default state. You can use a pin or paper clip to depress it. It can
		be used any time that the IP camera is on and can have various
		effects, as described in the “Resetting the IP Camera” section
		on page 2-11.
6	External microphone and	External microphone
	video output switches	• Off (up)—disables an external microphone connected to
		the IP camera.
		• On (down)—enables an external microphone connected to
		the IP camera.
		Video output
		• NTSC 60Hz (up)—switches camera operation to the
		National Television System Committee (NTSC) standard.
		• PAL 50Hz (down)—switches camera operation to the
		Phase Alternating Line (PAL) standard.
7	SD/SDHC card slot	Support for the SD/SDHC card slot will be available in future
		releases.
8	Audio/video out (green)	Allows the connection of an optional Y cable or mini cable with
		BNC connector. You can connect a video monitor to the mini
		cable with BNC connector. Both cables are included in the
		optional audio/video cables accessory kit can be purchased
		from Cisco (Cisco part number CIVS-AVCABLE).
		Note Support for audio will be in future releases.
9	Microphone in (pink)	Connection for an external microphone.
10	Ethernet 10/100 RJ45 socket	Accepts a standard LAN cable to connect the IP camera to a
		10/100BaseT router or switch.
11	GPIO terminal block	General purpose input/output (GPIO) terminal block that is
		used to connect external input and output devices. For more
		information, see Figure 1-2.

Cisco Video Surveillance 3520 IP Camera Installation Guide

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