INDUSTRY & GRID / INDUSTRIAL NETWORKING
Stop running the plant floor on office switches
The short answer
You build an industrial network from DIN-rail PoE switches that power cameras and sensors over one cable and tolerate wide temperatures, joined by fibre uplinks over long runs, with a cellular router for 4G or 5G backhaul where there is no line. Unlike office switches, these are fanless, rated for shock and heat, and sized in watts of PoE budget.
Last reviewed by Indiott (PSI Technologies Ltd)
Office-grade switches were never meant to live in a cabinet next to a VFD. They cook in summer, drop links under vibration, brown out on a dirty supply, and have a single point of failure with no ring recovery, so when one link or one PSU goes, a whole line or remote site goes dark and someone drives out to power-cycle a switch. Add fibre runs terminated on consumer media converters and PoE delivered by a wall-wart, and you have built a network that is fragile exactly where downtime costs the most.
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The difference
Office-grade switches were never meant to live in a cabinet next to a VFD. They cook in summer, drop links under vibration, brown out on a dirty supply, and have a single point of failure with no ring recovery, so when one link or one PSU goes, a whole line or remote site goes dark and someone drives out to power-cycle a switch. Add fibre runs terminated on consumer media converters and PoE delivered by a wall-wart, and you have built a network that is fragile exactly where downtime costs the most.
What you get
Hardware rated for the cabinet, wide-temperature, surge- and vibration-tolerant DIN-rail switches that hold link where office kit fails
Sub-50 ms recovery on a redundant ring (ERPS), so a cut fibre or dead switch self-heals instead of stopping the line
Clean fibre and PoE: media converters for long and EMI-heavy runs, PoE injection sized for cameras and access points
One managed network you can see, VLANs, port security and SNMP across the plant floor instead of a flat, invisible LAN
The full stack, applied here
Every Indiott build runs all five layers as one accountable system. Follow a single ring failover from the sensor that catches it to the report that proves it.
The stack already carries plant-floor sensing: LoRaWAN units read cabinet temperature and current, so an over-hot switch cabinet is flagged on its own network.
Hands an edge reading to CONNECT ↓
Managed DIN-rail industrial switches form a redundant ERPS ring that self-heals a cut fibre in tens of milliseconds, with fibre media converters and PoE injection.
Hands a resilient link to SECURE ↓
The core: VLAN segmentation, port lockdown and managed access carve the flat LAN into IEC 62443 zones and conduits, so no one plugs into one broadcast domain to reach control.
Hands a clean segment to CONTROL ↓
The same managed network hands clean Modbus TCP to your PLCs and RTUs, so remote IO and controllers act on the ring, not a fragile star that drops on a single fault.
Hands a control path to MANAGE ↓
SNMP and ring-health telemetry push to your NMS or SCADA, so a degraded link, a flapping port or an over-temperature cabinet is an alert well before it becomes an outage.
The loop is closed ✓
How teams start
You do not boil the ocean. Nearly every rollout runs the same four moves, and you own a working, evidenced result at the end of the first one.
We walk the sites, list the assets and pin the one constraint that matters, then agree what a good result looks like before a single sensor is bought.
A focused set of sensors goes onto one site or asset group, live on our telemetry and dashboards, wired to the people who need the alert.
We tune thresholds, kill false positives, confirm the integration into your SCADA, BMS or CAFM, and write the standard design down so it repeats.
The proven design rolls out across the estate, reusing the same hardware standards and data models so every site reads the same way.
Milesight EG71 Building IoT Gateway
£1,047.44 ex VAT
ATOP EHG2008 Industrial Unmanaged Ethernet Switch
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ATOP EHG7504 Industrial Managed Ethernet Switch
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ATOP EHG7508 Industrial Managed Ethernet Switch
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ATOP EHG7516 Industrial Managed Ethernet Switch
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ATOP IJG7001 Industrial PoE Injector
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Industrial PoE switch costs £1,047.44 ex VAT in the UK. Indiott published prices, September 2026. Delivery is charged by weight; VAT is added at checkout.
| Model | Key specification | Price ex VAT | Availability |
|---|---|---|---|
| Milesight EG71 Building IoT Gateway EG71-L08GL-868M | LoRaWAN channels and device capacity: 8 channels (half-duplex), around 2000 devices at 10-min uplink interval | £1,047.44 ex VAT (£1,256.93 inc. VAT) | In stock, UK · dispatched within 14 working days |
| ATOP EF24L Ethernet to Fibre Media Converter EF24L | Fibre Port and Reach: 100/1000BASE-X: multi-mode SC 550 m, single-mode SC 10 km, or SFP slot | Price on request | Quote only |
| ATOP EF24S Ethernet to Fibre Media Converter EF24S | Fibre Port and Reach: 1000BASE-X: multi-mode SC 550 m, single-mode SC 10 km, or SFP slot | Price on request | Quote only |
| ATOP EHG2008 Industrial Unmanaged Ethernet Switch EHG2008 | Gigabit RJ45 Ports: 8 × 10/100/1000BASE-T(X) in a plastic DIN-rail housing | Price on request | Quote only |
| ATOP EHG7504 Industrial Managed Ethernet Switch EHG7504 | PoE Power Budget: Up to 120 W across 4 IEEE 802.3af/at PoE ports (EHG7504-4PoE) | Price on request | Quote only |
| ATOP EHG7508 Industrial Managed Ethernet Switch EHG7508 | PoE Ports and Power Budget: 8 × 802.3af/at PoE ports, max 30 W per port, up to 240 W device budget | Price on request | Quote only |
| ATOP EHG7516 Industrial Managed Ethernet Switch EHG7516 | Port Configuration: 4 × 1G RJ45 + 8 × 1G SFP + 4 × 1/10G uplink SFP, no PoE ports | Price on request | Quote only |
| ATOP IJG7001 Industrial PoE Injector IJG7001 | PoE Voltage Booster: Yes (max support 30W) from a 12 VDC input | Price on request | Quote only |
Brands in this kit: Milesight · Atop Technologies
Why Indiott
We pick the best of each brand for the layer and the environment, not one vendor catalogue. Milesight, AquaIoT, Atop, Browan, SpecSens and Urban.io, chosen on merit.
Sensing, connectivity, OT security, control and the dashboard come from one accountable team, so there is no finger-pointing when something needs to talk to something else.
UK-based engineers scope the site, quote the kit and stand behind it, with compliance mapped to the regimes your auditors actually cite.
Prices are shown where we can, quoted fast where we cannot, and you get a straight answer and a bill of materials within one working day.
DEPLOYED IN THE FIELD
| Standard | What it requires |
|---|---|
| IEC 62443 | the OT security framework; managed switching gives you the VLANs, port security and segmentation needed to define zones and conduits on the plant floor |
| Industrial wide-temperature, surge and vibration ratings | equipment qualified for the cabinet environment rather than an office desk |
| Redundant-ring resilience (ERPS) | fast self-healing topology so a single link or device failure recovers in tens of milliseconds instead of dropping the segment |
| EN 50155 (rail variants) | rolling-stock environmental and EMC standard for switches specified into rail and trackside applications |
Replacing a fragile office switch with a managed, wide-temperature DIN-rail unit is typically a few hundred pounds per node; unmanaged switches at the edge are cheaper still, and a fibre media-converter pair is roughly a couple of hundred pounds per link. A redundant-ring backbone across a plant or several remote sites is quoted against your node count, fibre runs and PoE load. We size the ring and the spares holding, and the exact figures come back within one working day.
Add up the wattage of every powered device, then leave headroom. An 802.3af port delivers up to 15.4 W and an 802.3at PoE+ port up to 30 W, and cameras and PTZ heads draw more than sensors, so match the total to the switch's power budget rather than the port count alone.
Copper Ethernet is limited to about 100 metres per run. For longer links between buildings or field cabinets, use a switch with SFP slots for fibre, so you aggregate edge switches back over fibre without repeaters and avoid earth-loop issues on long copper.
Industrial switches are fanless, DIN-rail mounted, and rated for wide temperature and vibration, so they survive cabinets, plant rooms and outdoor enclosures where office switches fail. They also carry redundant power inputs and support VLANs and QoS for deterministic OT traffic, which matters when the same network carries control and video.
Use a cellular router for backhaul. The UR35 industrial cellular router (from £149.63 ex VAT) provides 4G with VPN and firewall, and the UF51 5G CPE (from £508.75) delivers high-throughput 5G for a site or cabinet. The router bridges the local switch to the internet or a private APN, so field kit reaches your platform without a wired connection.
Yes, if you separate it logically. Managed switches place cameras, sensors and control on different VLANs with QoS, so a burst of video does not starve control traffic. This is standard practice for converged OT networks and keeps a single cabled and PoE infrastructure serving multiple systems safely.
Yes. Switches and routers are held as UK stock with local support, and we size the PoE budget, uplinks and router backhaul for your site rather than shipping a box. Because we supply the sensors, cameras and gateways too, the network is specified to match the load it actually carries.
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