System Requirements for the SONY NSR

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The hardware required in order to use this recorder are as follows.

• Sony Network cameras
Contact your dealer for details about compatible Sony network cameras.
• Monitor1)
• USB keyboard2)
• USB mouse3)
• USB remote controller4)
• Network switch
• 1000Base-T/100Base-TX/10Base-T cable
• USB memory device5)

Network Surveillance Server

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today im going to tell you about NSR.
NSR is the device from SONY which made for the CCTV IP solution.

Overview,

The NSR series is a hard disk recording server for network cameras. The NSR allows you to monitor and record network camera images (JPEG or MPEG-4). It also allows you to play back the recorded images and search through it, making the NSR a truly versatile monitoring system. 

230V vs LED's

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there are many way's to lite up the led's from 230V

Attention. This circuit works with life threatening line voltage.

yo u can change the capacitor value 
for 10mA use 150nF, for 20mA use 300nF.