Replacement of Legacy Copper Cables in Enterprise All-Optical Networks: How POF Opto-Electric Composite Cables Deliver Data & Power via a Single Cable

As enterprises accelerate digital transformation, traditional copper cable networks are facing mounting pressures. Bandwidth bottlenecks, limited transmission distances, electromagnetic interference, cable aging and other issues drive many enterprises to upgrade legacy copper networks to all-optical networks.

However, a tough challenge emerges during actual renovation: terminal devices require both data connectivity and power supply. Equipment such as APs, surveillance cameras and ONUs all need power. Deploying fiber for data and separate cables for power means constructing two sets of wiring systems, which doubles construction costs and project duration.

The POF opto-electric composite cable is developed to tackle exactly this challenge — one single cable for simultaneous data transmission and power delivery.

I. What Is a POF Opto-Electric Composite Cable?

A POF opto-electric composite cable is an integrated cable containing both optical fibers and copper conductors, different from standard single optical fibers that only transmit optical signals. There is no need to deploy network cables and power cords separately. One single cable supports high-speed optical signal transmission and low-voltage power output simultaneously. After optical-electrical separation at the terminal end, it can directly power low-voltage terminals including surveillance cameras, wireless APs, industrial ONUs and access control devices. It is specially designed to resolve dual challenges of wiring and power access for remote field locations.

II. How Does One Cable Carry Both Data and Power?

Optical fibers for data transmission: Glass fibers inside the cable transmit only optical signals, immune to electromagnetic interference. They support Gigabit and 10-Gigabit high bandwidth with unrepeated transmission distances up to 800 meters, breaking the 100-meter distance limit of copper cables. Remote locations in factories and warehouses can be connected to the equipment room directly with one cable.

Built-in copper conductors for remote power supply: Conductive copper wires embedded inside the cable deliver power fed uniformly from the central equipment room to remote sites. An optical-electrical separation module is deployed at the terminal: optical signals are fed into ONUs for network access, while electricity directly powers cameras, APs and other terminals.

One cable replaces two, simplifying construction: Traditional renovation requires two separate wiring systems: fiber signal lines and power cables. The POF composite cable only needs one pipe penetration and one construction & acceptance procedure, drastically cutting work such as slotting, cable routing and wiring connections.

III. Advantages Compared with Separate Copper / Fiber Wiring

✅ Breaking transmission distance limits: Standard copper network cables have a maximum transmission distance of merely 100 meters. Additional switch repeaters are mandatory for remote locations, creating more potential fault points. POF composite cables support 800-meter unrepeated direct connections, eliminating intermediate equipment for long-distance sites in industrial parks, storage yards and utility tunnels.

✅ Complete immunity to strong electromagnetic interference: Frequency converters, power distribution cabinets and welding machines in workshops generate intense electromagnetic fields, which easily cause signal jitter and packet loss over copper cables. Optical fibers are non-conductive and free from electromagnetic noise, maintaining stable signals long-term in production workshops and power distribution rooms.

✅ Solving power access difficulties for remote locations: Outdoor surveillance cameras, ceiling-mounted APs and underground utility tunnels lack nearby mains power sockets. Traditional solutions require wall breaking and separate high-voltage wiring. POF cables come with integrated power delivery, removing the need for independent power pipelines and lowering construction and power renovation costs.

✅ Compact cable trays for tidy, maintainable wiring shafts: Traditional layouts run network cables, power cords and surveillance cables in parallel, cluttering cable shafts. A single POF cable replaces multiple cables, greatly reducing tray occupancy and simplifying future troubleshooting and capacity expansion.

IV. AINOPOL POF Opto-Electric Composite Cable: Resolving Transmission and Power Supply Challenges

The core of this solution is not adding extra cables, but integrating optical paths (data) and electrical paths (power) within one cable. One POF opto-electric composite cable supports high-speed data backhaul and remote power supply for field devices, so terminals draw power directly without dedicated high-voltage wiring. The implementation is detailed below:

Optical and power signals coexist in one cable for direct remote power access: Internal fibers transmit data while copper conductors deliver electricity. Terminals including ONUs, APs and cameras draw power directly from the composite cable, eliminating the work of sourcing local power and laying separate power lines. The original "one cable for data, one for power" setup is consolidated into one.

Unrepeated transmission up to 800 meters: POF opto-electric composite cables support unrepeated transmission over 800 meters. Long-distance sites across floors, factory zones and park roads can be connected end-to-end without being restricted by the 100-meter limit. The actual supported distance depends on cable type and equipment selection and shall be confirmed via on-site survey before construction.

Resistance to intense electromagnetic interference: Optical fibers are non-conductive and unaffected by electromagnetic induction, making them ideal for high-electromagnetic environments such as workshops, power distribution rooms and production lines. Armored or rigid structural cables can be selected for certain scenarios to enhance tensile, bending and protective performance, enabling reliable deployment for outdoor and utility tunnel locations.

One cable replaces multiple, tidying cable shafts: Multiple cables including network wires, power cords and coaxial cables can be substituted by one POF cable. Cable occupancy and potential fault points are significantly reduced, easing later maintenance and fault localization.

Simplified deployment at hard-to-power locations: Ceiling-mounted APs, outdoor camera poles and underground utility tunnels with no mains power can operate on remote power delivered by composite cables. Independent power solutions for each site are no longer required, substantially narrowing the scope of renovation work.

Integrated into all-optical architecture for unified management: POF cables uplink to OLTs or converged optical gateways. Signals undergo optical-electrical separation at terminals to supply end devices. Cooperating with passive ODN and the EAAS cloud management platform, the system supports remote configuration and real-time status visualization. It shares the same all-optical network with park office, security and production services under a unified operation view.

The AINOPOL POF opto-electric composite cable solution effectively addresses core pain points of legacy industrial parks: messy low-voltage wiring, difficult power access, transmission limitations and electromagnetic interference. It replaces the cumbersome traditional layout of dual or multiple parallel cables with a single cable.

While streamlining construction workflows and cutting renovation costs, the solution greatly improves network transmission stability and wiring order. Supported by the all-optical architecture for unified O&M, it serves as a highly practical and efficient option for low-voltage upgrades and network optimization in legacy industrial parks.

FAQ

Q: What is the difference between POF opto-electric composite cables and ordinary optical fibers?

A: Standard optical fibers only transmit data, requiring separate power connections for remote terminals. POF opto-electric composite cables integrate optical (data) and electrical (power) pathways inside one cable, enabling direct power supply to terminals and eliminating independent high-voltage wiring. It is best suited for scenarios requiring simultaneous data transmission and power delivery to remote locations, such as long-distance surveillance cameras and APs installed in ceilings or utility tunnels.

Q: What transmission distance can a single POF cable support? Will power be insufficient when reaching the terminal?

A: POF opto-electric composite cables support unrepeated transmission exceeding 800 meters. The actual achievable distance is determined by cable type, conductor cross-sectional area and power consumption of terminal devices, and confirmed via on-site surveys and project design. Conductors are selected according to terminal power requirements to guarantee sufficient power margin at the far end and avoid the problem of "cable reaches destination but power drops out".

Q: Is the power supply sufficient for cameras and APs?

A: Power consumption of common surveillance cameras and ceiling APs falls within the supply capacity of composite cables. For aggregated multi-device setups or high-power terminals (such as outdoor PTZ cameras with heating modules and multi-radio APs), cable types and power supply schemes must be designed based on total power draw. Power configuration is determined by the on-site equipment list. One cable should not carry unlimited devices; load-based rational planning is required.

Q: Can copper cables in old buildings be directly replaced with POF cables?

A: Full replacement or phased zone-by-zone deployment are both feasible. POF cables can be routed directly if existing cable trays have spare space. If trays are fully occupied, passive ODN can be combined with legacy cables for mixed reuse. The renovation scope and schedule are confirmed after on-site surveys. Operations can remain uninterrupted, and full shutdown is unnecessary for cable replacement.

Q: Can the cables be deployed in high-electromagnetic or outdoor environments?

A: Yes. Data transmission over optical fibers is immune to electromagnetic induction, suitable for workshops, power distribution rooms and production lines. For outdoor or high-protection scenarios, armored and protective composite cables can be selected, with proper grounding and protection implemented in accordance with specifications. Cable type and protection rating shall match the site environment and construction standards. Where necessary, the EAAS platform can be leveraged for remote equipment status monitoring.