MSV N2230W, Hardware User Manual, Page: 7 / 10

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Chapter 4. Physical Description
Overview
Focus Adjustment Ring - Adjust focus manually to achieve the best image quality
Infrared LEDs - Infrared LEDs for night use up to 10 working distance
Wireless Antenna – For connection of IEEE 802.11g/b wireless network
Built-In Microphone - Built-In Microphone for Two-way Audio
Power LED indicator - Power LED will light up after completing the boot process
Network LED indicator - Network LED will light up after connecting with network.
Power Connector -
For connection of 12V DC input.
Reset -
When the device is empowered, press the Reset Button to reboot the device, or
hold the Reset Button for 10 seconds to set the device settings back to factory default
Audio In - To support audio in with Microphone for two way audio
Audio Out - To support audio out with earphones or speakers for two way audio
Network Connector - For connection to the Ethernet via RJ-45 standard with PoE
I / O Terminal Connector - 1Input / 1Output to support External Alarm and Sensor used
for motion detection, event triggering and alarm notification…etc.