Lesson 1Network vs Analogue Systems: NVR vs DVR Setups and Mixed OptionsUnderstand the differences between analogue and IP CCTV, including DVR, NVR, and mixed setups. Learn strategies for upgrading, cabling effects, and when to stick with old coax or switch fully to network video in local contexts.
Analog HD formats over coaxIP camera and NVR topologiesHybrid DVR and encoder optionsBandwidth and cabling implicationsMigration from DVR to full IPLesson 2Recorders and Storage: Sizing NVRs, RAID Choices, Retention Maths, Write Endurance and HDD PickingUnderstand how to size NVRs for channel numbers, bitrate, and retention periods. Compare RAID levels, HDD types, and write endurance, and calculate storage for various resolutions and frame rates in Ugandan installations.
Bitrate estimation per camera streamRetention and storage sizing formulasRAID 0, 1, 5, 6, and 10 trade-offsSurveillance-grade HDD vs desktop HDDWrite endurance and workload ratingsLesson 3Types of CCTV Cameras (Fixed, Varifocal, PTZ, Dome, Bullet) and Their UsesCompare fixed, varifocal, PTZ, dome, and bullet cameras and their best uses. Learn how shape, environment, and risk level affect camera choice, deterrence, and protection against vandalism in Uganda.
Fixed lens cameras for simple scenesVarifocal lenses for flexible framingPTZ cameras for active monitoringDome vs bullet form factor selectionVandal-resistant and covert optionsLesson 4Sensor Sizes, Resolution, Frame Rates, and Low-Light Performance (1/2.8", 2MP, 4MP, 4K, WDR, IR Range)Explore how sensor size, resolution, and frame rate affect image quality and bandwidth. Learn low-light ideas like WDR, IR range, and noise, and balance detail with storage and network limits for local needs.
Common sensor sizes and crop factors2MP, 4MP, 4K resolution pros and consFrame rate vs motion blur and storageTrue WDR vs digital WDR techniquesIR illumination range and limitationsLesson 5Choosing Practical Models: Reading Datasheets, Vendor Trust, Warranty and Support FactorsBuild skills to read camera and NVR datasheets, compare true performance, and dodge marketing tricks. Assess vendor trust, firmware support, warranties, and RMA processes when picking models for Uganda.
Key specs that truly affect performanceReading sensitivity and lux ratingsVerifying bitrate and codec claimsVendor firmware and security historyWarranty terms and RMA proceduresLesson 6Network Switches and PoE: PoE Standards (802.3af/at/bt), Budget Maths, Managed vs Unmanaged SwitchesLearn PoE standards, power budgets, and switch picking for CCTV networks. Compare managed and unmanaged switches, port numbers, uplink capacity, and backup options for steady camera links in Ugandan setups.
802.3af, 802.3at, 802.3bt power levelsCalculating PoE power budgetsPoE switch vs midspan injectorsManaged vs unmanaged switch featuresUplink capacity and oversubscriptionLesson 7Camera Features: PoE, ONVIF Fit, Motion Detection, Audio, Tamper DetectionReview key camera features affecting integration and use, like PoE, ONVIF, motion detection, audio, and tamper alerts. Learn when each is vital, optional, or not needed for a project in Uganda.
PoE classes and power draw per cameraONVIF profiles and interoperabilityMotion detection and smart analyticsAudio input, output, and legal issuesTamper detection and event handlingLesson 8Accessory Picking: Mounts, Housings, Sunshields, Cable Glands, Surge Protectors, and Weatherproofing for Outdoor UnitsReview accessories that guard and steady CCTV setups, including mounts, housings, sunshields, glands, and surge protection. Learn weatherproofing ways for reliable outdoor use in Uganda's climate.
Wall, pole, and corner mount choicesOutdoor housings and sunshieldsCable glands and strain reliefSurge protectors and groundingWeatherproofing seals and ratingsLesson 9Power Supplies and Backup for CCTV: DC Injectors, Central Power Supplies, UPS Sizing for Recorders and Network GearStudy power choices for cameras and recorders, like DC supplies, PoE injectors, and UPS systems. Learn to size UPS capacity and plan backups to keep recording during power cuts common in Uganda.
Centralized vs local power suppliesDC distribution and voltage dropPoE injectors and midspan designUPS sizing for NVRs and switchesRedundant power and failover plansLesson 10Lens Picking, Field of View, and Focal Length Calculations for Coverage AreasLearn how focal length, sensor size, and lens type affect field of view and target detail. Practice coverage planning, angle picking, and basic lens maths to meet identification, recognition, or overview needs.
Fixed vs varifocal lens characteristicsFocal length, FoV, and distance relationsSensor size impact on coverage widthCalculating pixels per foot or meterSelecting lenses for entrances and gates