MINIMUM SYSTEM REQUIREMENTS
Video Processing Channels	4 Independent Channels Linux
Total Switchable Video Inputs	312 inputs (four per channel) (Internal)
Total Audio Inputs (pair)	8 inputs (two per channel) — 4 unbalanced and 4 Balanced
Audio Input Reference Level	External Stereo Unbalanced -23 to +3 dBV (-10 dBV nominal) with 6 dB headroom Internal Stereo Balanced -15 to +10 dBu (+4 dBu nominal) with 6 dB headroom
Audio Sampling Rates	8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz, 44.1kHz, 48kHz
Alarm inputs (internal)	4 inputs (one per channel)
Dry contact outputs (internal)	4 outputs (one per channel)
Video Standards Supported	NTSC & PAL
Bus Interface	PCI-X, 64-Bit PCI Interface, 32-Bit/33 MHz PCI Compatible, 3.3 Volt PCI 2.3 Compliant (backward compatible with standard PCI bus)
Video Processing	Hardware video cropping and scaling Colorspace Conversion Bitmap overlay — watermarking the video image
Data Extraction	VBI data (Closed Caption, Teletext, VITC time code and Raw VBI extraction
Compliance	FCC Class A, UL Listed Accessory
Operating System	Windows® 2000, Windows 2003 and Windows XP

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