/ Engineering · Entity graph
The engineering
knowledge graph.
Every protocol, standard, technology and deployment pattern the practice uses — named, weighted and inter-related. The substrate for the engineering portal, the supergraph and the AI-retrieval layer.
- Total entities
- 60
- Distinct kinds
- 16
- Average outgoing edges
- 1.3
- Flagship entities
- 47
/ Protocols
Protocols · 10
protocol · BACnet · BACnet/IP
BACnet Protocol
ISO-standard data-communication protocol for building automation. The default language for modern HVAC, lighting and BMS controllers — enables multi-vendor integration.
Relevance 100 · Authority 90 · 2 edges
protocol · PoE · PoE+
Power over Ethernet (IEEE 802.3)
IEEE-standard delivery of low-voltage DC power over the same Cat-class cable as data. PoE+ delivers up to 30 W; PoE++ Type 3/4 up to 90 W — sufficient for IP cameras, APs, VOIP phones and small displays.
Relevance 100 · Authority 95
protocol · DALI · DALI-2
DALI Protocol
IEC-standard digital lighting protocol. Each fitting is individually addressable and dimmable; preferred for premium lighting where each circuit needs scene-level and tunable-white control.
Relevance 95 · Authority 90 · 2 edges
protocol · ONVIF · ONVIF Profile S
ONVIF Profile S / T / G
Open IP-camera interoperability profile — Profile S for video streaming, T for advanced streaming with H.265 and analytics, G for storage and replay. The portability protocol that makes a multi-vendor camera fleet possible without VMS lock-in.
Relevance 95 · Authority 95 · 2 edges
protocol · HDBaseT · HDBaseT 3.0
HDBaseT Distribution
Single-cable AV distribution standard. Sends uncompressed video, audio, ethernet, control and PoE up to 100 m on Cat6 — workhorse format for boardrooms, classrooms and most commercial AV.
Relevance 90 · Authority 90 · 2 edges
protocol · PoE++ · 802.3bt
IEEE 802.3bt (PoE++)
Power-over-Ethernet at Type 3 (51 W device) and Type 4 (71.3 W device) classes — the power floor for Wi-Fi 7 APs, large PTZ cameras with heater, AV-over-IP encoders and small powered displays. Shared switch budget, per-port negotiation.
Relevance 90 · Authority 90 · 1 edges
protocol · Modbus · Modbus RTU
Modbus Protocol
Industrial serial and TCP protocol. Lingua franca of energy meters, VFDs and legacy controllers — the integration bridge between BMS, BESS and industrial plant.
Relevance 85 · Authority 85 · 1 edges
protocol · ST 2110 · SMPTE 2110
SMPTE ST 2110
Professional uncompressed media over IP — separates video, audio and ancillary data onto independent RTP flows synchronised by PTP. The broadcast-grade AV-over-IP fabric for sub-frame latency at 1-12 Gbps per endpoint.
Relevance 85 · Authority 85 · 2 edges
protocol · AES67
AES67
High-performance streaming audio-over-IP — interoperable across Dante, Q-LAN, Livewire+, RAVENNA and Wheatnet-IP. The vendor-neutral protocol that lets multi-brand AV audio share one network without bridging.
Relevance 85 · Authority 85 · 1 edges
protocol · Z-Wave · ZWave
Z-Wave Protocol
Low-power wireless mesh-network protocol. Operates in sub-GHz band, less congested than 2.4 GHz Wi-Fi/Zigbee. Best suited to residential automation up to ~30 zones.
Relevance 70 · Authority 80
/ Technologies
Technologies · 9
technology · Rako · Rako Controls
Rako Lighting Control
British wireless and wired lighting and scene-control platform. The default residential and hospitality lighting backbone for retrofit and new-build where Rako's keypad-and-scene ecosystem fits the design intent.
Relevance 100 · Authority 95 · 4 edges
technology · KNX · KNX/EIB
KNX Building Bus
ISO-standard wired open-protocol building bus. Multi-vendor, scalable to thousands of devices, designed for 20+ year lifecycles. The right backbone for vendor independence and longevity.
Relevance 100 · Authority 90 · 4 edges
technology · Trinnov · Trinnov Altitude16
Trinnov Altitude Processor
French immersive cinema processor. Reference 3D-audio processing with Optimizer room correction. The default specification for reference-grade 9.1.6 and 11.4.6 Dolby Atmos rooms.
Relevance 100 · Authority 95 · 2 edges
technology · JBL Synthesis · JBL Synthesis Atmos
JBL Synthesis Cinema
JBL's reference home-cinema speaker and amplification line. Custom-installed Atmos arrays with Crown amplification — the loudspeaker layer behind the Trinnov + JBL Synthesis reference cinema specification.
Relevance 100 · Authority 90 · 2 edges
technology · Honeywell BMS · Honeywell Niagara
Honeywell Building Management System
Honeywell's BMS framework — chiller, AHU, lighting and energy supervision integrated into a single operating picture for premium commercial and hospitality buildings.
Relevance 100 · Authority 85 · 2 edges
technology · 802.11be · Wi-Fi 7
Wi-Fi 7 (IEEE 802.11be)
Current generation of Wi-Fi. Adds 6 GHz band, MLO multi-link operation and 320 MHz channels. Default for new premium deployments where dense-room capacity is the binding constraint.
Relevance 100 · Authority 90 · 2 edges
technology · Vertiv BESS · Vertiv EnergyCore
Vertiv EnergyCore BESS
Vertiv's LFP battery-energy-storage cabinet line. Drop-in lithium replacement for VRLA banks on mission-critical UPS, with eight-year TCO advantages above 20 kVA.
Relevance 90 · Authority 85 · 2 edges
technology · LFP · LiFePO4
LFP (Lithium Iron Phosphate) Chemistry
The lithium-ion chemistry of choice for stationary BESS — thermally stable, safe for indoor install, 6,000+ cycle life, with eight-year TCO advantages over VRLA above 20 kVA loads.
Relevance 90 · Authority 85 · 2 edges
technology · Fibaro · Fibaro Home Center
Fibaro Z-Wave Platform
Polish Z-Wave residential automation platform. Fast to deploy with a polished mobile app, well-suited to homes with up to ~30 controllable zones where mesh wireless is the right answer.
Relevance 70 · Authority 80 · 2 edges
/ Deployment patterns
Deployment patterns · 7
deployment pattern · Scene programming · Lighting scenes
Scene Orchestration Pattern
Engraved-keypad-driven scene programming where lighting, shades, climate, audio and AV move together to a named room state (Welcome, Dinner, Film, Goodnight) — programmed once and triggered as one.
Relevance 100 · Authority 95 · 2 edges
deployment pattern · Atmos · Dolby Atmos
Dolby Atmos Cinema Layout
3D-audio cinema specification — typically 9.1.6 or 11.4.6 across reference rooms. Atmos layout is dimensioned around the listening position, not architectural symmetry, with a height layer above the audience.
Relevance 100 · Authority 90 · 2 edges
deployment pattern · Cause-and-effect · C&E matrix
Fire Cause-and-Effect Matrix
A written specification that documents what each life-safety event triggers across the connected systems — lift recall, magnetic door release, PA announcement, AHU damper close, CCTV pre-record, access evacuation mode.
Relevance 100 · Authority 100 · 1 edges
deployment pattern
Lighting Scenes (Rako / KNX / DALI)
Per-zone scene programming across tunable-white and RGBW circuits, anchored to engraved keypads and time-of-day calendars. The premium lighting layer for residences and hospitality.
Relevance 95 · Authority 95
deployment pattern · AVoIP · AV-over-IP
AV-over-IP Distribution
Audio-visual signal distribution over a standard IP network. Reduces matrix-switcher cost, scales to large routing, and integrates cleanly with the building IT layer. Most premium boardrooms, video walls and houses of worship are now AV-over-IP.
Relevance 90 · Authority 85 · 2 edges
deployment pattern · Mixed Wi-Fi density · Mixed-class AP deployment
Mixed AP-Class Wi-Fi Density
Wi-Fi 6 four-stream APs in high-density public areas + Wi-Fi 5 or entry-tier Wi-Fi 6 APs in lower-density guest zones on a mesh backhaul — protocol-grade seamless roam without the cost penalty of uniform Wi-Fi 6 or the capacity collapse of uniform Wi-Fi 5.
Relevance 85 · Authority 90 · 1 edges
deployment pattern · HDPE under-conduit · Civil-stage cable pull
Civil + ELV Coordination Pattern
HDPE under-conduit laid during civil build-out with draw pits at every camera-pole base and IDF entry — cable refresh becomes a pull rather than a road-cutting exercise. The single most consequential civil coordination decision for any campus or perimeter ELV deployment.
Relevance 80 · Authority 90 · 1 edges
/ Standards
Standards · 5
standard · NBC · NBC 2016
National Building Code 2016 (India)
India's umbrella building-services code. Sets fire and life-safety, structural, building-services and accessibility requirements that every ELV, fire, PA and BMS scope must cite line-by-line.
Relevance 100 · Authority 100 · 2 edges
standard · IS 2189
IS 2189 — Fire Detection
Indian Standard for the selection, installation and maintenance of automatic fire-detection and alarm systems. Cited line-by-line in every TechnoGuru fire-alarm engineering pack.
Relevance 95 · Authority 100
standard · IS 14735
IS 14735 — Voice Evacuation PA
Indian Standard for public-address voice-evacuation systems. Mandatory under NBC 2016 for many commercial, hospitality, healthcare and educational occupancies above defined thresholds.
Relevance 90 · Authority 100
standard · EN 54-16
EN 54-16 — Voice Alarm Equipment
European standard for voice-alarm control and indicating equipment. Cited alongside IS 14735 on premium-grade PA voice-evacuation specifications for international-class deployments.
Relevance 70 · Authority 85
standard · NFPA 855
NFPA 855 — BESS Installation
US standard for the installation of stationary energy-storage systems. LFP-chemistry banks are NFPA 855-compliant for indoor installation without bespoke fire suppression; NMC chemistry is not.
Relevance 70 · Authority 80 · 1 edges
/ Sector archetypes
Sector archetypes · 5
sector archetype
Premium Residence Archetype
Private villa or premium apartment, architect-led, multi-system: Rako or KNX lighting, multi-room audio, reference cinema, climate, surveillance and IT — engineered as one integrated layer from the drawing stage.
Relevance 100 · Authority 100
sector archetype
Hospitality Guest-Room Archetype
Per-room operational unit with PMS-integrated control, scene reset between stays, housekeeping mode, do-not-disturb propagation and multi-language bedside signage.
Relevance 100 · Authority 95
sector archetype
Corporate Office Archetype
Multi-floor corporate fit-out — boardroom AV, addressable fire-alarm with PA voice-evac, access control, BMS, Wi-Fi 7 backbone and structured cabling on Cat6A as a single coordinated scope.
Relevance 100 · Authority 95
sector archetype
Healthcare Archetype
Hospitals and clinical environments — addressable fire alarm with critical-care cause-and-effect, redundant BMS for HVAC, online UPS on dedicated wards, surveillance with extended retention.
Relevance 90 · Authority 85
sector archetype
Education Archetype
Schools, colleges and universities — addressable fire with PA voice-evac, classroom AV with HDBaseT, dense Wi-Fi 7, surveillance and access on a single ELV backbone.
Relevance 85 · Authority 85
/ Manufacturers
Manufacturers · 4
manufacturer · Harman · Harman Pro
Harman Pro Ecosystem (JBL · Crown · BSS · Soundcraft · AKG)
Harman Professional brand family used across our cinema, auditorium and PA deployments — JBL loudspeakers, Crown amplification, BSS DSP, Soundcraft consoles, AKG microphones.
Relevance 100 · Authority 85 · 1 edges
manufacturer · Honeywell · Honeywell Niagara
Honeywell Building & Security Ecosystem
Honeywell BMS (Niagara framework), Pro-Watch access control and addressable fire-alarm — used as the supervisory and life-safety backbone for premium commercial and hospitality buildings.
Relevance 100 · Authority 85
manufacturer · Bosch · Bosch BVMS
Bosch Security & Communications Ecosystem
Bosch addressable fire-alarm, BVMS surveillance and Praesensa public address — the second-pillar life-safety and security stack across our commercial and hospitality projects.
Relevance 90 · Authority 85
manufacturer · K-array · K-Array
K-array & KGEAR — Premium Italian Architectural Audio
Premium Italian architectural-audio ecosystem — K-array's slim, discreet loudspeakers and the KGEAR everyday professional line — specified for design-led residences, hospitality and premium interiors across North-East India.
Relevance 90 · Authority 70 · 2 edges
/ Infrastructure systems
Infrastructure systems · 3
infrastructure system · ELV backbone · ELV pathway
ELV Cabling Backbone
The unified low-voltage cable plant carrying fire, CCTV, access, PA, IP-PBX, BMS and structured data across a building — coordinated as one cause-and-effect pathway rather than per-discipline runs.
Relevance 100 · Authority 95 · 2 edges
infrastructure system · Cat6A · Cat 6A
Cat6A Structured Cabling
Augmented Category 6 structured cabling — 10 Gbps over the full 100 m channel, rated for 25 years of service. The default for any new commercial or premium-residential cabling layer.
Relevance 95 · Authority 95 · 2 edges
infrastructure system · Online UPS · Double-conversion UPS
Online (Double-Conversion) UPS
Double-conversion uninterruptible power supply. Rectifies AC to DC and inverts back to clean AC, isolating the load from grid disturbances. Default for mission-critical IT and life-safety equipment.
Relevance 95 · Authority 90 · 2 edges
/ Integration architectures
Integration architectures · 3
integration architecture
Hospital ELV Stack
Clinical-occupancy ELV coordination — fire-alarm, nurse-call, medical-gas alarm, access-control, IP-CCTV and BMS converging on a cause-and-effect supervisory matrix with NABH pressure-boundary discipline and OT-anaesthesia acknowledgement-delay tiers.
Relevance 95 · Authority 95 · 2 edges
integration architecture
High-Security ELV Stack
Coordinated perimeter screening (UVSS, ANPR, X-ray, RFID auto-recognition), control-room CCTV, EPABX-LAN backbone, per-load UPS topology, chemical-earthing strategy and hand-off boundaries to convenience features that run in parallel with screening.
Relevance 90 · Authority 95 · 2 edges
integration architecture · Per-system UPS · Dedicated UPS per load
Per-Load UPS Topology
Each critical load class on its own dedicated online double-conversion UPS — no shared mainline bus. A fault on one load cannot cascade across the stack. Uptime engineering, not power-quality engineering.
Relevance 85 · Authority 95 · 2 edges
/ Engineering concepts
Engineering concepts · 2
engineering concept
Design-for-Handover Discipline
The discipline of engineering systems from the perspective of the operator who will inherit them — labelled panels, archived configuration baselines, plain-language manuals and a documented schedule of every load.
Relevance 95 · Authority 100
engineering concept
Graceful Failure Mode
Designing systems so that any single failure degrades the experience rather than removing it — keypads stay alive through internet drops, scenes survive power outages, sensors fall back to safe defaults.
Relevance 90 · Authority 90
/ Compliance frameworks
Compliance frameworks · 2
compliance framework · ISO 9001 · ISO 9001:2015
ISO 9001:2015 QMS
Internationally-recognised quality-management-system standard. Drives the documentation, change-control and review rhythm behind every TechnoGuru engagement.
Relevance 85 · Authority 100
compliance framework · ISO 10002 · ISO 10002:2018
ISO 10002:2018 Customer Satisfaction
Quality-management complaints-handling standard. Drives the customer-satisfaction discipline behind our AMC contracts and live-site escalation paths.
Relevance 80 · Authority 100
/ Interoperability patterns
Interoperability patterns · 2
interoperability pattern
Fire-Alarm ↔ PA Interoperability
Addressable fire-alarm panel ↔ EN 54-16 / IS 14735 PA voice-evac integration. The fire panel triggers zone-specific evacuation announcements with STI ≥ 0.5 intelligibility across the affected zones.
Relevance 100 · Authority 100 · 3 edges
interoperability pattern
BMS ↔ BESS Interoperability
Modbus / BACnet bridge between the BMS and the BESS inverter layer — enables peak-shave automation, tariff arbitrage, ride-through orchestration and energy reporting from a single dashboard.
Relevance 90 · Authority 85 · 2 edges
/ Lifecycle models
Lifecycle models · 2
lifecycle model
Seven-Stage Delivery Model
TechnoGuru's project lifecycle — brief, survey, design, BOQ, install, commissioning, handover. Every stage carries a published deliverable and a sign-off gate before the next stage begins.
Relevance 100 · Authority 100
lifecycle model
AMC Tier Model (Bronze · Silver · Gold · Mission-Critical)
Four-tier AMC framework — Bronze (annual PM), Silver (quarterly PM + remote diagnostics), Gold (monthly PM + documented support windows), Mission-Critical (contracted critical-hours support with on-site spares).
Relevance 95 · Authority 100
/ Project archetypes
Project archetypes · 2
project archetype · State Guest House · Protocol Residence
VVIP Protocol Residence Archetype
Hilltop or guarded protocol residence hosting state guests and visiting dignitaries — perimeter screening (UVSS, ANPR, X-ray), control-room CCTV, EPABX-LAN, AV briefing room, addressable fire alarm, per-load UPS architecture. Uptime under multi-mode failure is the design brief.
Relevance 90 · Authority 95 · 2 edges
project archetype · Operations Centre · Control Room
Command-and-Control Facility Archetype
Three-envelope facility: perimeter screening, surveillance + communication, command + briefing. Per-envelope power and earthing strategy; hand-off boundaries between envelopes; operator console correlates events across all three.
Relevance 90 · Authority 90 · 2 edges
/ Operational concepts
Operational concepts · 2
operational concept · C&E matrix · Cause-effect register
Cause-and-Effect Matrix
Written, signed, witnessed table tying every input event (fire, nurse-call, medical-gas, access-control, CCTV, BMS) to every gated output (PA, AHU damper, lift, mag-holders, CCTV bookmark, BMS log) with acknowledgement-delay tiers.
Relevance 95 · Authority 100 · 2 edges
operational concept · Config baseline · Offline baseline export
Configuration Baseline Discipline
Every controller (UPS, fire panel, BMS, IP-PBX, Wi-Fi, audio DSP, lighting) has its configuration baseline exported offline at handover and re-exported after every firmware refresh — any controller is recoverable from a clean slate within the same business day.
Relevance 90 · Authority 95 · 1 edges
/ Commissioning concepts
Commissioning concepts · 1
/ Maintenance concepts