AXIS P7216 Video Encoder• Digital input – An alarm input for connecting devices that can toggle between an openand closed circuit, for example: PIRs, door/window contacts, glass break detectors,etc. When a signal is received the state changes and the input becomes active (shownunder System Options > Ports & Devices).Audio ConnectorThe Axis product has the following audio connectors:• Audio in (pink) – 3.5 mm input for a mono microphone, or a line-in mono signal.• Audio out (green) – 3.5 mm output for audio (line level) that can be connected toa public address (PA) system or an active speaker with a built-in amplifier. A stereoconnector must be used for audio out.RS485/RS422 ConnectorTwo terminal blocks for RS485/RS422 serial interface used to control auxiliary equipment such aspan-tilt devices.SD card slotNONONOTICETICETICE• Risk of damage to SD card. Do not use sharp tools, metal objects or excessive force wheninserting or removing the SD card. Use your fingers to insert and remove the card.• Risk of data loss and corrupted recordings. Do not remove the SD card while the productis running. Disconnect power or unmount the SD card from the Axis product’s webpagesbefore removal.This product supports microSD/microSDHC/microSDXC cards (not included).For SD card recommendations, see www.axis.comControl ButtonFor location of the control button, see Hardware Overview on page 9.The control button is used for:• Resetting the product to factory default settings. See page 17.• Connecting to an AXIS Video Hosting System service or AXIS Internet Dynamic DNSService. For more information about these services, see the User Manual.12