Name: Huawei S5731I-L8T2SN | 8-Port Gigabit Industrial Switch | Global Shipping
Brand: Huawei
SKU: 98012422
Rating: 5.00 (1 reviews)

Description

Huawei S5731I-L8T2SN Industrial Switch: Rugged Reliability for Extreme Environments

The Huawei CloudEngine S5731I-L8T2SN is a next-generation industrial Gigabit switch engineered to provide high-performance switching and robust reliability in harsh environments. Whether for smart city surveillance, industrial automation, or outdoor transportation systems, this compact switch delivers seamless connectivity where standard hardware fails.

Key Features and Highlights

Industrial-Grade Design: Operates effectively in wide temperature ranges from -40°C to +75°C.
High Durability: Rated with IP40 protection and 6kV/6kV surge protection for both copper and power ports.
Intelligent Stack (iStack): Simplifies network management by virtualizing multiple switches into one.
Silent Operation: Fanless design ensures long-term reliability and noise-free performance in remote cabinets.

Intelligent Network Functions

Advanced Security: Supports 802.1X authentication, MAC address authentication, and integrated firewall capabilities to protect against malicious attacks.
Uninterrupted Video Surveillance: Optimized for video backhaul with Smart Link and ERPS (Ethernet Ring Protection Switching) for sub-50ms recovery.
Simplified O&M: Compatible with Huawei’s eSight and web-based management for easy remote troubleshooting.

Power Module Compatibility

To ensure high availability in industrial settings, the S5731I-L8T2SN supports flexible power input options. Note: This switch typically utilizes external power modules.

Supported Input Voltage: DC 9V to 36V or DC 18V to 72V (Depending on the specific industrial power adapter used).
Recommended Industrial Power Modules:
- PAC150S12-R: 150W AC-to-DC Industrial Power Module.
- PDC180S12-AJ: 180W DC-to-DC Industrial Power Module.

Technical Specifications

Switching Capacity: 20 Gbps / 68 Gbps
Forwarding Performance: 15 Mpps
Flash/RAM: 512 MB / 1 GB
Dimensions (W x D x H): 44 mm x 220 mm x 160 mm

Specification

Item	Specification
Dimensions without packaging (H x W x D) [mm(in.)]	Basic dimensions (excluding the parts protruding from the body): 150.0 mm x 44.0 mm x 133.0 mm (5.91 in. x 1.73 in. x 5.24 in.) Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 162.0 mm x 44.0 mm x 142.0 mm (6.38 in. x 1.73 in. x 5.59 in.)
Dimensions with packaging (H x W x D) [mm(in.)]	113.0 mm x 235.0 mm x 188.0 mm (4.45 in. x 9.25 in. x 7.40 in.)
Chassis height [U]	3.65 U
Chassis material	Metal
Weight without packaging [kg(lb)]	0.975 kg (2.15 lb)
Weight with packaging [kg(lb)]	1.34 kg (2.95 lb)
Typical power consumption [W]	9.72 W
Typical heat dissipation [BTU/hour]	33.17 BTU/hour
Maximum power consumption [W]	12.6 W @ 60 V 10.44 W @ 12 V
Maximum heat dissipation [BTU/hour]	42.99 @ 60 V 35.62 @ 12 V
Static power consumption [W]	5.04 W
MTBF [years]	152.027 years
Availability	> 0.99999
Noise at normal temperature (acoustic power) [dB(A)]	Noise-free (no fans)
Noise at normal temperature (acoustic pressure) [dB(A)]	Noise-free (no fans)
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)]	0–1800 m (0–5906 ft.) altitude, industrial optical modules: Sealed cabinet: –40°C to +65°C (–40°F to +149°F) Vented cabinet (≥ 40 LFM): –40°C to +70°C (–40°F to +158°F) Blower-equipped cabinet (≥ 200 LFM): –40°C to +75°C (–40°F to +167°F)
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.).
Storage temperature [°C(°F)]	-40°C to +85°C (-40°F to +185°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	DC external
Rated input voltage [V]	DC input: 12 V DC to 48 V DC
Input voltage range [V]	DC input: 9.6 V DC to 60 V DC
Maximum input current [A]	2.5 A
Flash memory	Physical space: 16 MB
Eth Management port	Not supported
USB	Not supported
RTC	Not supported
RPS input	Not supported
Service port surge protection [kV]	Common mode: ±6 kV
Power supply surge protection [kV]	DC power: ±2 kV in common mode and ±1 kV in differential mode
Ingress protection level (dustproof/waterproof)	IP40
Types of fans	None
Heat dissipation mode	Natural heat dissipation
Airflow direction	–
PoE	Not supported
Certification	EMC certification Safety certification Manufacturing certification

Q&A

Q1: What is the operating temperature range for the S5731I-L8T2SN?

A: The Huawei S5731I-L8T2SN is designed for extreme environments, supporting a wide operating temperature range from -40°C to +75°C, making it ideal for outdoor cabinets and industrial sites.

Q2: Does the S5731I-L8T2SN support PoE (Power over Ethernet)?

A: No, the S5731I-L8T2SN is a standard industrial switch without PoE output. If you require PoE for cameras or APs, please contact us for the S5731I-L8T2ST-P or similar PoE-enabled models.

Q3: Which power modules are compatible with this switch?

A: It is compatible with industrial-grade power modules such as the PAC150S12-R (AC) and PDC180S12-AJ (DC) to ensure stable performance in fluctuating power conditions.

Q4: Is the S5731I-L8T2SN fanless?

A: Yes, it features a fanless, natural heat dissipation design and is IP40 rated, which prevents dust accumulation and reduces the failure rate in harsh conditions.

Reviews (1)

1 review for S5731I-L8T2SN

Yohiphin – March 20, 2026

Rated 5 out of 5
Consistent throughput.Testing shows stable 1Gbps on all access ports simultaneously.

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Methods	Tools	Time	Destination
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Airway	Airplane	7~10 days	Airport
Marine	Vessel	30~45 days	Seaport
Road	Truck/Train(China-Europe Railway)	Unstable	Assigned Address