90 en Technical specificationsDigital Video Recorder 440/480 Series
10 | Technical specifications |
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10.1 | Electrical |
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| Voltage and Power |
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| External power adapter AC input | |
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| External power adapter DC output | 12 VDC; 3 A |
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| DVR power input | 12 VDC; 3 A; 145 BTU/h |
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| Internal battery | Lithium: CR2032, 3 V, 225 mAh |
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| Video |
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| Inputs | Composite video 1 Vpp, 75 ohm (RG54) |
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| Outputs | Monitor A - VGA RGB |
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| Monitor B - 1 Vpp, 75 ohm (RG54), sync 0.3 V ± |
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| 10% |
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| Video standard | SVGA |
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| PAL/NTSC |
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| Resolution | SVGA 800 x 600 or 1024 x 768 or 1280 x 1024 |
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| 704 x 576 PAL - 720 x 480 NTSC |
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| AGC | Automatic adjustment of gain for each video input |
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| Digital Zoom | 2 times |
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| Compression | H.264 |
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| Audio |
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| Input | Mono RCA, 1 Vpp, 10k ohm |
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| Output | Mono RCA, 1 Vpp, 10k ohm |
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| Sample rate | 8 kHz per channel |
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| Compression | ADPCM |
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| Alarm Handling |
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| Inputs | 4 configurable NO/NC |
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| max input voltage 15 VDC |
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| Output | 1 relay outputs; configurable NO/NC max rated |
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| 30 VAC - 24 VDC - 0.5 A continuous |
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| Control |
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| RS232 | Output signals according to |
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| input voltage ±25 V |
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| RS485 | Conform RS485 |
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| max signal voltage |
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| Connectors |
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| Video inputs | 4/8 BNC |
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| Audio input | 1 RCA (CINCH) |
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| Ethernet | RJ45, 10/100BaseT according to IEEE802.3 |
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| Monitors | BNC (1), VGA |
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| Audio output | 1 RCA |
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| Alarm connectors | Screw terminal inputs, cable cross section |
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| AWG |
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| RS232 | DB9 male |
| Installation and Operation manual | Bosch Security Systems |
