PON access · hardened ONU
Industrial & Outdoor ONU
Hardened ONU options for poles, cabinets and plants: wide-temperature models, outdoor integrated ONUs with power and surge protection, industrial ONUs and DIN-rail or IP-rated enclosures. Ports and temperature ratings are confirmed per model.
Updated October 24, 2026
- Temperature
- −40 to +70 °C
- Surge
- 6 kV
- Mounting
- Pole / DIN / wall
- Ports
- 1–4 GE
The short answer
What this product is specified for.
Included in the quotation
- Port count, connector polish and power configuration
- Model-level datasheet and test data
- Optical budget and splitter plan for the ODN
- Export packing, HS code and Incoterm
A standard ONU belongs in a conditioned room. A pole, a roadside cabinet, a tunnel or a plant floor is a different environment: heat, cold, vibration, dust and lightning-induced surges. The hardened ONU family is specified for the internal cabinet temperature and the surge exposure, not for a comfortable office.
The configurations follow the mounting point. A wide-temperature ONU covers a ventilated cabinet from −40 to +55 °C; an industrial ONU extends to −40 to +70 °C with 6 kV surge protection and a DIN-rail or wall mount; an outdoor integrated ONU puts power, surge protection and communication in one pole-mounted unit. Standard ONUs can also be used inside an IP-rated enclosure when the budget is tighter, but the enclosure and SPD become part of the design.
Port counts and interfaces are model-specific. Most units provide 1–4 GE ports, with optional PoE or PoF variants for cameras and APs. The model datasheet, the enclosure IP rating and the SPD are confirmed together so the ONU is not the weak point in an outdoor cabinet.
Configuration table
The numbers that decide the fit.
Values are from the model datasheet. Where a value is model-dependent, the table says so instead of guessing.
| Type | Temperature | Surge | Mounting | Typical use |
|---|---|---|---|---|
| Wide-temperature ONU | −40 to +55 °C | Model-dependent | DIN rail / wall | Ventilated cabinet |
| Industrial ONU | −40 to +70 °C | 6 kV | DIN rail / wall | Plant, tunnel, roadside |
| Outdoor integrated ONU | −40 to +70 °C | 6 kV | Pole | Perimeter, parking, pole |
| Standard ONU + IP enclosure | Depends on enclosure | SPD required | Wall / pole | Budget outdoor site |
Temperature, surge rating, port count and enclosure IP rating are model-specific. Confirm them together on the quotation.
Engineering features
What changes on site.
Cabinet temperature
Specify the internal cabinet maximum, not the outside air. A sealed cabinet can run 15–20 °C above ambient.
6 kV surge
Industrial models are specified with higher surge immunity; the SPD and bonding at the cabinet entry remain part of the design.
Pole or DIN rail
DIN-rail, wall and pole-mount options; the mounting kit and enclosure are quoted with the ONU.
PoE / PoF options
Selected models provide PoE or PoF outputs for a camera or AP; the power budget is confirmed per model.
One-fibre drop
A single PON drop replaces a copper Ethernet run and its surge path; the ONU terminates the fibre at the cabinet.
Tender documents
Model datasheet, temperature range, surge rating and enclosure IP rating are supplied with the quotation.
Selection guide
Which configuration fits which site.
Start from the site, not from the model. The table is a starting point; the final check is the optical and power budget.
| Site | Recommended | Watch-out |
|---|---|---|
| Roadside cabinet | Industrial ONU, wide temperature | Internal cabinet temperature and SPD |
| Perimeter pole | Outdoor integrated ONU | Pole mount, grounding and IP rating |
| Tunnel / plant | Industrial ONU, DIN rail | Vibration, EMC and redundant power |
| Budget outdoor site | Standard ONU + IP enclosure | Enclosure thermal design and SPD |
Do not publish a single industrial temperature for every model; confirm the derating curve for the selected unit.
Integration
Where it sits in the chain.
The PON chain starts at the OLT port, passes through the splitter and the ODN, and ends at the ONU. The split ratio and the connector count decide the optical margin.
- One bill of materials for the whole chain
- Connector polish and PON mode confirmed before order
- Model-level test data supplied with the shipment
Applications
Where this product is used.
Related equipment
Complete the chain.
The product is quoted as part of a chain. These are the parts that usually travel with it.
PON access · ONU / ONT
GPON / XPON ONU & ONT
From a 1-GE bridge to a 4-GE Wi-Fi 6 gateway.
XPON ONU and ONT options for FTTH, hotel rooms, offices and outdoor cabinets: 1, 2 or 4 GE ports, Wi-Fi 4/5/6, CATV and POTS options, and 10G PON models. All units are SC single-mode, 20 km, EPON/GPON dual-mode where the model supports it.
- PON
- XPON, EPON/GPON
- User ports
- 1 – 4 × GE
- Wi-Fi
- Wi-Fi 4 / 5 / 6
- Reach
- 20 km
Best for FTTH Access Network · Campus Fibre Network · Outdoor Wireless Coverage
View specifications
PON access · PoE ONU
PoE ONU & Reverse PoE
Power the ONU from the LAN, or the LAN from the ONU.
PoE ONU variants for corridors, rooms and MDUs: reverse-PoE (PD) units powered by a PoE switch, PSE units that power cameras and APs, and 4/8/24-port models for floor distribution. One XPON uplink, up to 24 PoE outputs.
- Uplink
- XPON / 10G PON
- PoE ports
- 1 – 24
- Modes
- PSE / PD
- Power
- 802.3af/at
Best for CCTV & Surveillance Power · Campus Fibre Network · Outdoor Wireless Coverage
View specifications
PoE switching · hardened
Industrial PoE Switch
Hardened switching for tunnels, roads and plants.
Industrial PoE switching specified per project: DIN-rail mounting, wide-temperature operation, redundant DC input, higher surge immunity and ring recovery for tunnels, highways, plants and perimeter sites.
- Mounting
- DIN rail / wall
- Temperature
- Wide-range model
- Power
- Redundant DC
- Network
- Ring / RSTP
Best for Industrial & Tunnel Network · Perimeter Security Power · Parking Lot Camera System
View specifications
Power over Fiber · access
PoF Switch & PoF ONU
One hybrid cable to the ceiling: data and 12 W.
A Power-over-Fiber access set: an optical gateway, an 8-output PoF power splitter, hybrid PoF cable and a ceiling Wi-Fi 6 ONU. Each output delivers up to 12 W to 200 m, so ceiling APs and cameras run without a local mains socket.
- Power per port
- Up to 12 W
- Reach
- Up to 200 m
- Outputs
- 8 + 1 cascade
- Wi-Fi
- Wi-Fi 6 AX3000
Best for Outdoor Wireless Coverage · Campus Fibre Network · Parking Lot Camera System
View specificationsProduct FAQ
Industrial & Outdoor ONU: questions before the order.
If your question is not here, send the site details and we will answer with the calculation, not a brochure.
Ask an engineerWhat temperature should an outdoor ONU be rated for?
The internal cabinet temperature at the hottest time of year, not the outside ambient. A sealed cabinet in direct sun can be 15–20 °C above ambient.
Is 6 kV surge enough for a pole?
It is a model rating, not a complete protection plan. Bond the housing and pole, use an SPD at the cabinet entry, and follow the site lightning risk assessment.
Can I use a standard ONU in an outdoor cabinet?
Only inside a suitable IP-rated enclosure with thermal and surge protection. The enclosure, SPD and mounting become part of the design; a standard ONU alone is not an outdoor unit.
Do industrial ONUs support PoE?
Selected models provide PoE or PoF outputs. The budget and port count are model-specific; confirm them against the camera/AP load.
What ports are available?
Most units provide 1–4 GE ports, with optional POTS, CATV, PoE or PoF. The exact mix is confirmed on the model datasheet.
Can I mix industrial and standard ONUs on one OLT?
Yes, if they use the same PON mode and are supported by the OLT firmware. Keep the management profile consistent across the batch.
Next step
Need a Industrial & Outdoor ONU configuration checked?
Send the endpoint count, the longest run, the power condition and the destination. We reply with the configuration, the optical/power budget and the quotation assumptions.
No obligation. The plan states its assumptions so your engineer can check it.