P2 Operational best practices
The decisions nobody documents for you: real PoE distance, 4K storage math, camera height, NVR vs VMS.
Day-to-day technical decisions: PoE cable category 5e vs 6 vs 6A, real max distance (not the datasheet number), bitrate and storage math for 30-day retention, optimal camera height for face recognition, when you need NVR vs VMS vs cloud-native.
Articles in this pillar (10)
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Your camera already detects everything. What comes after is the actual question.
Motorola's senior director of cloud video sales at GSX 2026: 'detection is being commoditized.' Everon's CEO: 'customers ask about consistent and reliable service.' The number your next RFP should start requesting is mean time to resolution.
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Your camera records video. Soon it can cryptographically sign it.
ONVIF released two Release Candidates in 2026: Profile V (cloud + WebRTC, final in ~6 months) and Media Signing Add-on (per-frame cryptographic signing, open source on GitHub). What changes for your RFP and your legal evidence.
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Your camera runs 24/7. Your maintenance runs once a year — if that.
Outdoor filming camera maintenance checklist: 7 steps to prevent 90% low-light loss, firmware drift, and silent HDD failure. Tested across 32 MX sites.
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Your camera sees 30 m in black and white. ColorVu sees 3 m in color.
Standard IR reaches 30-100 m in black and white; ColorVu holds color at 0.0005 lux with a white LED on. The choice changes what you see at 3 AM — and how visible the camera is.
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Bitrate calculation for 4K cameras: how much storage you actually need
Exact formula, real codecs (H.264/H.265/Smart H.265+/WiseStream II), examples for 8/16/32 cameras, 30-day retention.
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PoE cabling for CCTV: real maximum distance and limitations nobody tells you
IEEE 802.3af/at/bt, max distance 100m, voltage drop, PoE+ vs PoE++, when fiber, when extender.
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Security camera at 13 feet sees no one's face
Camera height and tilt decide whether your footage holds up as evidence or only decorates the ceiling. The math has four variables.
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Your 4K camera records 86 GB a day. One camera.
CCTV storage sizing is four variables multiplied together. Get one wrong and your recorder silently overwrites evidence before the retention window ends — or you paid for drives that never fill.
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How to pick the right PoE cable for your IP camera (so it doesn't die at night)
Your PoE+ switch says 30W. Your 4K IP camera loses video at night when the IR LEDs kick in. It's not the switch — it's the cable. What IEEE 802.3-2022 and TIA-568.2-D actually require for a working PoE deployment.
Explore the other pillars
- // P1 · REVIEWS CCTV camera reviews
Honest comparisons with datasheet specs and real cases.
- // P3 · INDUSTRY Industry use cases
Retail, QSR, gas stations, casinos, transit, cities.
- // P4 · COMPUTER VISION Computer Vision education
What AI on video is, how it works, what is next.
- // P5 · REGULATORY Regulatory and compliance
LFPDPPP, GDPR, EU AI Act, NDAA — what applies to you.
- // P6 · AI IN ACTION AI in action (real cases)
What you can actually measure today with AI on existing cameras.
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