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Huawei

S5751-L8P2PN2X-RUA

S5751-L8P2PN2X-RUA (8*10/100/1000BASE-T ports (6*PoE+), 2*10/100/1000/2.5GBASE-T ports (PoE+), 2*10GE SFP+ ports, 128 W PoE, with 1*220 V AC power adapter, Fanless)

Brand

Huawei
Port

8
Rate

10G
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SKU: 98012495 Category:
Description

Huawei S5751-L8P2PN2X-RUA: 10G Uplink Remote Unit with PoE-In Capability

The Huawei S5751-L8P2PN2X-RUA is a groundbreaking Remote Unit (RU) designed for the next generation of simplified networks. It is uniquely engineered for high-bandwidth scenarios where deploying local power cables is difficult, costly, or restricted. By supporting PoE-In technology and 10GbE uplinks, this unit brings ultra-fast connectivity to any corner of your building using only an Ethernet cable.

Flagship Technical Highlights

  • Downlink Ports: 8 x 10/100/1000Base-T Ethernet ports (PoE+ Out).

  • Uplink Ports: 2 x 10G SFP+ ports (Supports 10Gbps high-speed backhaul).

  • PoE-In Technology: The switch can be powered by the uplink cable (via a central PoE++ switch or injector), eliminating the need for a local AC power outlet.

  • PoE Out: Pass-through PoE+ to power downstream devices like APs and cameras.

Why Choose the S5751-L8P2PN2X-RUA?

1. Zero Power-Cabling Solution (PoE-In)

This is the ultimate problem-solver for old buildings, open ceilings, or outdoor cabinets. The “PN” capability allows the RU to draw its operating power from the central switch. You can now deploy a 10G network in places where an electrician cannot reach.

2. Ultra-High 10G Bandwidth

While most PoE-powered switches are limited to 1G uplinks, the S5751-L8P2PN2X-RUA features dual 10G SFP+ slots. This provides a massive 20Gbps potential backhaul, making it the perfect companion for Wi-Fi 7 Access Points and high-resolution video streams.

3. Simplified “Zero-Config” Management

Managed as a “remote line card” of a Huawei Central Switch, it requires no independent configuration. It supports Plug-and-Play, automatic service provisioning, and centralized O&M, reducing site visit costs by 90%.

4. Fanless & Silent Performance

With no moving parts, the unit is 0dB silent and highly reliable. Its compact design is optimized for “hidden” installations in wall-boxes, narrow ceiling gaps, or high-end office environments.

Key Application Scenarios

  • High-Density Wi-Fi 6/7 Upgrade: Providing 10G backhaul and PoE power in ceiling locations without electrical wiring.

  • Modern Office Redesign: Deploying high-speed 10G ports under desks or in conference rooms without needing a local power socket.

  • Industrial & Smart City: Aggregating data in remote cabinets using a single high-power PoE++ uplink.

Specification

Specification

Item Specification
Dimensions without packaging (H x W x D) [mm(in.)] Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 195 mm x 160 mm (1.72 in. x 7.68 in. x 6.30 in.)

Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 195 mm x 166.2 mm (1.72 in. x 7.68 in. x 6.54 in.)
Dimensions with packaging (H x W x D) [mm(in.)] 116.0 mm x 285.0 mm x 300.0 mm (4.57 in. x 11.22 in. x 11.81 in.)
Chassis height [U] 1 U
Chassis material Metal
Weight without packaging [kg(lb)] 1.2 kg (2.65 lb)
Weight with packaging [kg(lb)] 2.38 kg (5.25 lb)
Typical power consumption [W] 16.74 W
Typical heat dissipation [BTU/hour] 57.13 BTU/hour
Maximum power consumption [W]
  • Without PoE: 14.60 W (device), 17.91 W (device + adapter)
  • Full PoE load: 162.05 W (PoE: 128 W)
Maximum heat dissipation [BTU/hour]
  • Without PoE: 49.82 (device)/61.11 (device + adapter)
  • Full PoE load: 552.93
Static power consumption [W] 7.15 W
MTBF [years] 83.69 years
Availability > 0.99999
Noise at normal temperature (acoustic power) [dB(A)] Noise-free (no fans), < 30
Noise at normal temperature (acoustic pressure) [dB(A)] Noise-free (no fans), < 20
Number of card slots 0
Number of power slots 0
Number of fans modules 0
Redundant power supply Not supported
Long-term operating temperature [°C(°F)] –5°C to +45°C (23°F to 113°F) at an altitude of 0 to 1800 m (0 to 5905.44 ft.)
Restriction on the operating temperature variation rate [°C(°F)] When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

Devices cannot start when the temperature is lower than 0°C (32°F).
Storage temperature [°C(°F)] –40°C to +70°C (–40°F to +158°F)
Long-term operating relative humidity [RH] 5% RH to 95% RH, non-condensing
Long-term operating altitude [m(ft.)] 0–5000 m (0–16404 ft.)
Storage altitude [m(ft.)] 0-5000 m (0-16404 ft.)
Power supply mode Power adapter
Rated input voltage [V] Power adapter input: 170 V AC to 240 V AC; 50/60 Hz

Power adapter output: 54 V DC
Input voltage range [V] Power adapter input: 170 V AC to 264 V AC; 47 Hz to 63 Hz
Maximum input current [A] 2.78 A
Memory –
Flash memory –
Console port Not supported
Eth Management port Not supported
USB Not supported
RTC Not supported
RPS input Not supported
Power supply surge protection [kV] ±4 kV in differential mode and ±4 kV in common mode
Ingress protection level (dustproof/waterproof) IP20
Types of fans None
Heat dissipation mode Natural heat dissipation
Airflow direction –
PoE Supported
Certification EMC certification

Safety certification

Manufacturing certification
FAQ

FAQ

Q: Can this switch be powered by any PoE switch?

A: To ensure stable 10G performance and PoE-Out budget, it is recommended to power the S5751-L8P2PN2X-RUA using a PoE++ (60W or 90W) port from a compatible Huawei Central Switch.

Q: Does the 10G SFP+ port support PoE-In?

A: Typically, PoE-In is delivered via the copper GE ports or specialized hybrid links. If using 10G SFP+ for data, the device can also be powered by a local DC adapter if PoE-In is not being utilized.

Q: How many PoE devices can I power via PoE-Out?

A: The PoE-Out budget depends on the PoE-In power source. When powered by a 90W source, the RU can effectively share that power among its 8 downlink ports for devices like IP phones and light sensors.

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Shipping & Delivery

Shipping Incoterms

Fiberolt.com provides the most commonly used incoterms for your shipping.

EXW – Ex Works

We make the cargo available at our factory, or your designated agency and location in China mainland city with free charges.

CIF – Cost, Insurance & Freight

You will receive the cargo in your country with insurance, which is essential for international transportation to guarantee your property security.

DDP – Delivered Duty Paid

Never worry about the custom clearance and duty fees, all charges are included, just wait for the cargo at your gate.

Shipping Ways

To ensure your merchandise arrive safely and timely with the assistance of our reliable international carriers, we have flexible shipping ways by Express, AirCargo, Marine and Road.According to your specific requirement and cargo volumes, our sales representative will offer the most suitable and cost-effective shipping method for you.

Methods

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Time

Destination

DHL/FedEx/UPS/TNT

Airplane

5~7 days

Door to Door

Airway

Airplane

7~10 days

Airport

Marine

Vessel

30~45 days

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Unstable

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