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Count addressable smoke, heat, pull, monitor, control, duct and specialty points, then estimate a practical loop/panel class with spare capacity.
Calculate HDD capacity from cameras and retention — or reverse-calculate retention from available TB.
Open toolEstimate aggregate bitrate, uplink headroom, PoE power and access-switch count.
Open toolCalculate switch PoE budget and compare it with 802.3af / at / bt device classes.
Open toolEstimate total camera ingest Mbps and recorder bandwidth headroom.
Open toolEstimate runtime from actual load and battery Wh/Ah, or solve for the battery capacity needed for a target runtime.
Open toolBuild a first-pass quantity estimate from site size, use case and critical viewing zones.
Open toolEstimate field of view, scene width and pixels-per-foot from lens, sensor and target distance.
Open toolSize controller, reader, lock and auxiliary DC loads with design headroom.
Open toolCalculate standby amp-hours from current draw, backup hours and reserve factor.
Open toolEstimate voltage at the lock or reader from AWG, current and one-way cable distance.
Open toolEstimate controller nodes, reader channels, lock outputs and power zones from door count.
Open toolEstimate reader, lock, REX/contact and network cable quantities from door count.
Open toolEstimate people per minute and required speed-gate or turnstile lanes.
Open toolCount openings, motion, glassbreak, panic and specialty points and select panel capacity with expansion headroom.
Open toolEstimate standby/alarm battery Ah from project-entered current, hours/minutes and reserve factor.
Open toolAdd horn/strobe alarm currents and estimate circuit or booster capacity with headroom.
Open toolEstimate end-of-line notification voltage from cable gauge, distance and alarm current.
Open toolEstimate IP intercom switch ports and PoE budget from station counts and watts.
Open toolEstimate aggregate call bandwidth from simultaneous audio/video intercom sessions.
Open toolEstimate resident stations, entry panels, masters and switch-port capacity from unit count.
Open toolSum speaker transformer taps and add amplifier headroom for distributed audio.
Open toolEstimate switch port count and PoE budget for speakers, horns, strobes and displays.
Open toolEstimate watts per zone, amplifier channels and total distributed-audio power.
Open toolEstimate free-field SPL attenuation from a reference speaker rating and distance.
Open toolCount audible, visual and call-box endpoints with spare capacity and segmentation.
Open toolEstimate vehicle flow and required lane count from gate cycle time and peak arrivals.
Open toolCount loops, photo eyes/edges, readers and controller I/O by powered gate lane.
Open toolEstimate beam spans and overlap from protected perimeter length.
Open toolEstimate access-switch count and spare ports from PoE and non-PoE endpoints.
Open toolFlag long Ethernet runs and estimate fiber extension segments.
Open toolEstimate rack units from switches, patch panels, UPS, fiber shelves and spare growth.
Open toolEstimate horizontal cable footage, spools, patch cords and terminations.
Open toolConvert connected watts and power factor into practical UPS VA/W capacity with headroom.
Open toolEstimate rack current and PDU/branch utilization from connected equipment watts.
Open toolSize a regulated DC supply from device current, quantity and simultaneous duty.
Open toolEstimate sensor quantity from floor area and practical coverage/overlap.
Open toolEstimate thermostats and remote sensors from HVAC zones and monitored rooms.
Open toolEstimate relay modules and spare outputs from controlled equipment loads.
Open toolCount temperature, humidity, occupancy and energy points with spare capacity.
Open toolEstimate rugged ports, PoE budget and fiber uplinks for industrial security endpoints.
Open toolVerify security, cabling, power, batteries, egress, fire/life-safety, intercom, paging, perimeter, building automation, industrial conditions, network, mounting, privacy and commissioning before purchase.
Open tool