APYS PROJECTS · TECHNICAL GUIDES
Explore 30 published guides across networking, electrical, ELV and technology.
Networking · 25 guides
Office LAN, structured cabling, Fluke testing, WiFi, switches, firewalls and network planning.
MTU and Path MTU Problems: Why Some Websites and VPN Applications Fail
Troubleshoot path MTU problems affecting websites and VPNs. Learn packet-size tests, IPv4/IPv6 discovery, tunnel overhead and TCP MSS limits.
IGMP Snooping and Multicast: Preventing IPTV Traffic from Flooding Your LAN
Understand IGMP snooping, queriers and multicast forwarding. Diagnose IPTV flooding, stream dropouts and fast-leave issues with practical tests.
LACP Link Aggregation: When Multiple Uplinks Actually Help
Understand LACP link aggregation, single-flow limits, hashing, NAS compatibility, minimum links and failover tests before adding office uplinks.
Network Loops and Broadcast Storms: STP and BPDU Guard
Find office network loops using STP state, MAC movement and switch evidence. Understand BPDU Guard, storm control, safe containment and recovery.
Duplicate IP Addresses: How to Find and Fix Network Conflicts
Find and fix IPv4 conflicts with claimant evidence, allocation-source corrections and a worked DHCP exclusion/reservation capacity ledger.
Office DNS Troubleshooting: Internet Works but Websites Do Not Open
Troubleshoot office DNS with resolver comparisons, response interpretation, a negative-cache timeline and verified internal/public application recovery.
CCTV Network Security: VLANs, Firewall and Remote Access
Secure a CCTV network with camera VLANs, explicit firewall flows, controlled remote access, device hardening and practical acceptance tests.
Wi-Fi 7 for Offices in India: Cabling, PoE and Upgrade Checklist
Evaluate office Wi-Fi 7 through client support, India model approvals, cabling, PoE and shared uplinks, with a reproducible pilot and handover checklist.
DHCP Troubleshooting: Wi-Fi Connected but No IP Address
Trace missing IPv4 leases from client through VLAN/relay to server. Includes DORA evidence, a worked pool calculation and repeatable closure checks.
Network AMC Scope: What Should Maintenance Actually Cover?
Define a network AMC with covered assets, preventive evidence, recovery checks, spares and measurable response/restoration clocks, including a business-hours SLA example.
How to Prepare a Networking BOQ for an Office Project
Prepare a measurable office networking BOQ with outlet schedules, cable and port calculations, acceptance evidence and a worked three-outlet revision.
Network Installation Acceptance Tests Before Final Payment
Check unique test-report coverage, cabling certification, fibre loss, VLAN isolation, PoE, Wi-Fi and recovery evidence before signing network acceptance under the agreed contract.
Moving to a New Office: Network Migration and Cutover Checklist
Plan office network migration with service gates, backups and a usable fallback. Includes a worked rollback deadline and separate DNS/data recovery decisions.
Office Network Audit: What to Inspect Before Upgrading
Audit an office network before buying upgrades. Includes sampling limits, measured versus reserved PoE, reproducible throughput records and finding closure gates.
Office Network Planning for 25, 50 and 100 Employees
Plan office ports, PoE, WiFi and bandwidth from explicit assumptions. Includes a per-cabinet allocation example and separate outlet, active-device and client counts.
Office Network Setup Cost in Pune: What Should Your Budget Include?
Plan your Pune office network budget with APYS owner-reported cable prices, brands, a quantity worksheet, and installation and handover checklists.
Dual ISP Setup for Offices: Failover, Load Balancing and Testing
Plan dual-ISP failover with verified WAN diversity, DNS and IPv6 behavior. Includes backup bandwidth/data calculations and application recovery acceptance records.
How to Calculate PoE Power Budget for Cameras and Access Points
Calculate PoE source-side reservations, physical ports and usable switch budgets. Includes camera/AP examples, PSU failover checks, diagnostics and a handover record.
Server Rack Dressing: Patch Panels, Cable Managers and Rack Layout
Plan office rack dressing using APYS Group Surya site photographs, cable routing diagrams, a port-map worksheet, safe cleanup steps and handover checks.
Structured Cabling for Offices: Complete LAN Networking Guide
Plan office structured cabling from outlet schedules to copper/fibre selection, link models, installation limits, certification and traceable handover.
WiFi Access Point Placement: How to Get Full Office Coverage
A detailed office WiFi access point placement guide with technical illustrations covering coverage, capacity, mounting, channels, roaming, PoE, surveys and acceptance tests.
Guest WiFi Setup for Office: How to Give Visitors Internet Without Opening the Office
Design guest WiFi around verified access boundaries, encryption and onboarding. Includes an intent matrix, capacity arithmetic and expiry/revocation tests.
Why Does Network Downtime Happen? Top Reasons Office Internet Goes Slow
Diagnose office network outages with controlled comparisons, interface-counter deltas, application telemetry and a reusable incident closure record.
PoE Switch and Network Switch Guide for Offices, Societies and CCTV Racks
Select PoE switches using ports, usable power, uplinks and device modes. Includes a candidate comparison and separate admission, traffic and backup acceptance checks.
Firewall Setup for Small Business and Corporate Offices
Plan office firewall sizing, zones, remote access, change control and acceptance tests with a documented policy and product-specific checks.
Electrical · 2 guides
Electrical load planning, power distribution, protection, cables and backup power.
MCB vs RCCB vs RCBO: Electrical Protection Guide
Understand MCB, RCCB and RCBO protection for homes and offices: ratings, circuit grouping, tripping problems, selection questions and handover checks.
Office Electrical Load Estimation: Connected Load and Demand
Estimate office electrical load with connected load, demand, power factor and growth calculations. Check a worked example, UPS needs and handover evidence.
ELV · 3 guides
CCTV, access control, fire alarm, public address, entrance control, automation and AV connectivity.
Cloud vs NVR vs Edge CCTV: Recording and Recovery Guide
Compare cloud, NVR and edge CCTV recording through Internet outages, upload capacity, recovery, retention, subscriptions and footage export tests.
Smart CCTV: AI Detection, False Alarms & Placement
Plan useful AI CCTV alerts: compare motion and object detection, choose camera views, test false alarms and missed events, and size recording storage.
ELV System Guide for Societies and Commercial Buildings
A practical ELV system guide for societies and commercial buildings covering LAN, WiFi, CCTV, access control, barriers, fire alarm, automation, cable routes, testing and handover.
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