The Huawei S5735-L16T4X-QA-V2 is a high-performance Layer 3 Ethernet switch designed for enterprise campus networks, branch offices, educational institutions, commercial buildings, and other environments that require reliable Gigabit access with high-speed uplink connectivity. As part of Huawei's CloudEngine S5735-L-QA-V2 series, this model combines advanced switching capabilities, intelligent management features, and enterprise-grade security in a compact and energy-efficient platform.

Equipped with 16 Gigabit Ethernet access ports and 4 dedicated 10 Gigabit SFP+ uplink ports, the switch provides a balanced architecture capable of supporting bandwidth-intensive applications. The device supports Layer 2 and Layer 3 services, enabling organizations to deploy scalable and resilient network infrastructures without requiring additional routing equipment.

Its fanless design ensures silent operation, making it suitable for deployment in office spaces, classrooms, meeting rooms, and other noise-sensitive environments. Huawei has also integrated intelligent operation and maintenance capabilities, helping administrators simplify network deployment, monitoring, and troubleshooting.

The S5735-L16T4X-QA-V2 supports cloud-based management, automation technologies, and advanced security mechanisms, allowing organizations to modernize their campus networks while reducing operational complexity.

Key Technical Specifications

The following specifications highlight the core hardware and performance characteristics of the S5735-L16T4X-QA-V2.

▪ Model:  S5735-L16T4X-QA-V2
▪ Part Number:  98011996
▪ Fixed Access Ports:  16 × 10/100/1000BASE-T Ethernet ports
▪ Uplink Ports:  4 × 10GE SFP+ ports
▪ Switching Capacity:  Up to 672 Gbps / 6.72 Tbps
▪ Packet Forwarding Rate:  Up to 159 Mpps
▪ Layer Support:  Layer 2 and Layer 3 switching
▪ MAC Address Table:  32K entries
▪ VLAN Support:  Up to 4094 VLANs
▪ Memory:  2 GB
▪ Flash Memory:  1 GB physical storage
▪ Power Supply:  Built-in AC power supply
▪ Input Voltage:  100–240 V AC, 50/60 Hz
▪ Maximum Power Consumption:  24.29 W
▪ Typical Power Consumption:  21.42 W
▪ Cooling Method:  Fanless natural heat dissipation
▪ Console Port:  RJ45 console interface
▪ Dimensions:  43.6 mm × 442 mm × 220 mm
▪ Weight:  Approximately 2.34 kg
▪ Rack Height:  1U
▪ PoE Support:  Not supported

Port Configuration and Connectivity

The S5735-L16T4X-QA-V2 offers a practical combination of access and uplink interfaces that meets the needs of modern enterprise networks. The 16 Gigabit Ethernet ports provide reliable connectivity for desktop computers, wireless access points, IP cameras, printers, and other network devices.

The four 10GE SFP+ uplink ports significantly enhance bandwidth availability between network layers. These uplinks can be connected to aggregation switches, data center infrastructure, core network equipment, or high-speed storage systems.

This architecture helps eliminate bottlenecks often associated with traditional Gigabit uplinks. Organizations can support increasing traffic demands generated by cloud applications, video conferencing, wireless networks, and centralized services.

The presence of dedicated 10 Gigabit uplinks makes the switch particularly suitable for enterprise floor access networks where large numbers of users require uninterrupted connectivity to centralized resources.

Hardware Architecture and Performance

Huawei designed the S5735-L16T4X-QA-V2 around a high-performance switching platform capable of handling demanding enterprise workloads. The device delivers a switching capacity of up to 672 Gbps and a forwarding rate of up to 159 million packets per second.

These capabilities ensure that traffic can be processed efficiently even during peak usage periods. The switch supports wire-speed forwarding, allowing data packets to move through the network with minimal latency.

The hardware platform is optimized for applications such as enterprise resource planning systems, unified communications, cloud services, surveillance networks, and wireless access infrastructures.

By combining robust packet processing capabilities with advanced Layer 3 services, the switch can operate effectively in both access-layer and small network core deployments.

Layer 2 Switching Features

The S5735-L16T4X-QA-V2 includes a comprehensive collection of Layer 2 technologies designed to improve network stability, efficiency, and scalability.

VLAN Support

The switch supports up to 4094 VLANs, enabling administrators to segment network traffic and isolate departments, services, or applications. VLAN segmentation improves both security and network performance.

Link Aggregation

Link aggregation allows multiple physical links to be combined into a single logical connection. This increases available bandwidth while also providing redundancy in the event of a link failure.

Spanning Tree Technologies

The device supports modern spanning tree mechanisms that prevent network loops and ensure efficient path selection within switched environments.

MAC Address Management

With support for 32K MAC addresses, the switch can efficiently handle large numbers of connected devices while maintaining fast forwarding performance.

Advanced Layer 3 Capabilities

In addition to traditional Layer 2 functionality, the S5735-L16T4X-QA-V2 includes advanced Layer 3 services that simplify network architecture.

Administrators can deploy inter-VLAN routing directly on the switch, reducing reliance on external routers and minimizing network complexity. The switch supports static routing as well as dynamic routing protocols commonly used in enterprise environments.

These capabilities allow organizations to create scalable network designs that support multiple departments, branch offices, and service segments.

Layer 3 functionality also improves network efficiency by enabling traffic to be routed closer to users and applications.

Security Features

Security remains a critical requirement for modern enterprise networks, and the S5735-L16T4X-QA-V2 includes multiple protection mechanisms.

User Authentication

The switch supports 802.1X authentication, MAC authentication, and hybrid authentication mechanisms. These technologies help ensure that only authorized users and devices can access network resources.

Access Control Lists

ACL functionality enables administrators to define detailed traffic filtering policies based on source, destination, protocol type, and other criteria.

Attack Prevention

The platform incorporates protection against common denial-of-service attacks and unauthorized network activities, helping maintain service availability.

Policy Enforcement

Security policies can be dynamically applied to authenticated users, simplifying network administration and improving compliance.

Intelligent Network Management

The S5735-L16T4X-QA-V2 supports multiple management approaches that simplify daily network operations.

Organizations can manage the switch using traditional command-line interfaces, web-based tools, SNMP platforms, and cloud-based management solutions. Huawei's management ecosystem allows administrators to monitor network health, configure devices, and perform troubleshooting from centralized dashboards.

Cloud management capabilities reduce operational complexity, particularly for organizations operating multiple branch locations.

The platform also supports automated deployment workflows that accelerate network rollouts while minimizing configuration errors.

Telemetry and Intelligent O&M

Huawei has incorporated intelligent operations and maintenance technologies into the S5735-L16T4X-QA-V2.

Telemetry capabilities enable real-time collection of operational data, allowing administrators to gain visibility into network behavior. This information can be used for proactive monitoring, fault detection, capacity planning, and performance optimization.

Rather than relying solely on manual troubleshooting, network teams can leverage analytics to identify potential issues before they affect users.

These capabilities contribute to reduced downtime and improved service quality across enterprise environments.

Fanless and Silent Operation

One of the most attractive characteristics of the S5735-L16T4X-QA-V2 is its fanless architecture. The switch uses natural heat dissipation instead of mechanical cooling fans.

This design offers several advantages. First, it eliminates operational noise, making the switch suitable for classrooms, offices, conference rooms, and retail environments. Second, the absence of moving parts reduces maintenance requirements and improves long-term reliability.

Fanless operation also contributes to energy efficiency while maintaining stable thermal performance under normal operating conditions.

Energy Efficiency and Power Consumption

The switch is engineered for low power consumption. Typical power usage is approximately 21.42 watts, while maximum power consumption remains below 25 watts.

This efficient design helps organizations reduce operating expenses and support sustainability initiatives. Lower energy usage also minimizes heat generation, further supporting the fanless cooling approach.

For large deployments involving dozens or hundreds of switches, these energy savings can become significant over time.

Reliability and Environmental Specifications

The S5735-L16T4X-QA-V2 is built for long-term deployment in demanding environments.

The switch supports operating temperatures ranging from -5°C to +45°C and storage temperatures from -40°C to +70°C. It can operate at altitudes up to 5000 meters under specified conditions.

Huawei also provides surge protection for both service interfaces and power interfaces, helping protect equipment against electrical disturbances.

The platform is designed for high availability and enterprise-grade reliability, making it suitable for mission-critical applications.

Deployment Scenarios

The S5735-L16T4X-QA-V2 can be deployed across a wide range of environments.

Common deployment scenarios include:

▪ Enterprise office access networks
▪ Educational institutions and campuses
▪ Retail stores and branch offices
▪ Hotel and hospitality networks
▪ Healthcare facilities
▪ Security monitoring infrastructures
▪ Wireless access point aggregation
▪ Small and medium-sized business core networks

The combination of Gigabit access and 10 Gigabit uplinks makes the switch versatile enough to support current and future networking requirements.

Key Features

▪ 16 Gigabit Ethernet access ports for high-density connectivity.
▪ 4 dedicated 10GE SFP+ uplink interfaces for high-bandwidth aggregation.
▪ Advanced Layer 2 and Layer 3 switching capabilities.
▪ Support for up to 4094 VLANs.
▪ Intelligent cloud-based management options.
▪ Comprehensive security and authentication mechanisms.
▪ Real-time telemetry and network analytics support.
▪ Fanless design with silent operation.
▪ Low power consumption and energy-efficient architecture.
▪ Compact 1U form factor for flexible deployment.
▪ Enterprise-class reliability and surge protection.
▪ Support for modern campus network architectures.

Conclusion

The Huawei S5735-L16T4X-QA-V2 is a feature-rich enterprise switch that delivers an effective combination of Gigabit access connectivity, high-speed 10 Gigabit uplinks, advanced Layer 3 services, and intelligent management capabilities. Its fanless design, low power consumption, and comprehensive security features make it an excellent choice for organizations seeking reliable and scalable campus network infrastructure.

Whether deployed in educational facilities, corporate offices, retail environments, or branch locations, the S5735-L16T4X-QA-V2 provides the performance, flexibility, and operational efficiency required to support modern digital services. With robust switching capacity, intelligent automation features, and enterprise-grade reliability, it represents a strong solution for organizations planning long-term network growth and modernization.

Huawei CloudEngine S5735 Series Switches

Huawei All Series Switches New and Used

For Huawei product list and quote, please visit: https://www.hi-network.com/categories/huawei or contact us at www.hi-network.com  (Email: info@hi-network.com)

S5735-L16LP2X-QA-V2 (98012237)

Overview

Table 4-323 Basic information about the S5735-L16LP2X-QA-V2

Item	Details
Description	S5735-L16LP2X-QA-V2 (16*10/100/1000BASE-T ports, 2*10GE SFP+ ports, PoE+, 125 W PoE, built-in AC power, Fanless)
Part Number	98012237
Model	S5735-L16LP2X-QA-V2
First supported version	V600R023C00

Components

Figure 4-103 S5735-L16LP2X-QA-V2 appearance

1	One PNP button NOTICE: To restore the factory settings and reset the switch, hold down the button for at least 6 seconds. To reset the switch, press the button. Resetting the switch will cause service interruption. Exercise caution when you press the PNP button.	2	One MODE button
3	Sixteen 10/100/1000BASE-T PoE+ ports	4	Ground screw NOTE: It is used with a ground cable.
5	Two 10GE SFP+ ports	6	One console port
7	One USB port	8	AC socket NOTE: It is used with an AC power cable.
9	Jack for AC power cable locking strap NOTE: The AC power cable locking strap is not delivered with the switch.	-	-

Ports

Table 4-324 Ports on the S5735-L16LP2X-QA-V2

Port	Connector Type	Description	Available Components
10/100/1000BASE-T port	RJ45	A 10/100/1000BASE-T Ethernet electrical port sends and receives service data at 10/100/1000 Mbit/s.	Ethernet cable
10GE SFP+ optical port	SFP+	A 10GE SFP+ Ethernet optical port supports auto-sensing to 1000 Mbit/s. It sends and receives service data at 1000 Mbit/s or 10 Gbit/s.	GE eSFP optical modules GE-CWDM eSFP optical modules GE SFP copper modules 10GE SFP+ optical modules (the maximum transmission distance cannot exceed 10 km) 10GE SFP+ copper modules (V600R024C00 and later versions) PEN remote optical modules (V600R024C00 and later versions) 1 m and 3 m SFP+ high-speed copper cables 10 m SFP+ AOC cables 0.5 m and 1.5 m SFP+ dedicated stack cables (only for zero-configuration stacking) 3 m SFP+ dedicated stack cable (V600R025C10 and later versions, only for zero-configuration stacking)
Console port	RJ45	The console port is connected to a console for on-site configuration.	Console cable
USB port	USB 2.0 Type A	The USB port can have a USB flash drive connected to upgrade the switch, or transfer configuration files or other files. The USB port can only connect to a USB flash drive that complies with USB 2.0. USB flash drives from different vendors differ in model compatibility and drivers. If a USB flash drive cannot be used, try to replace it with another one from a mainstream vendor.	USB flash drive

Indicators and Buttons

The S5735-L16LP2X-QA-V2 has similar indicators to those on the S5735-L16LP2UM2X-QA-V2. For details, see the S5735-L16LP2UM2X-QA-V2.

Power Supply System

The switch has a built-in AC power module and does not support pluggable power modules. The built-in power module can provide 125 W PoE power, which ensures full PoE power on 8 ports in compliance with 802.3af or on 4 ports in compliance with 802.3at.

Heat Dissipation System

The switch has no fans and uses natural heat dissipation.

Technical Specifications

Table 4-325 Technical specifications of the S5735-L16LP2X-QA-V2

Item	Specification
Dimensions without packaging (H x W x D) [mm (in.)]	Basic dimensions (excluding the parts protruding from the body): 54.0 mm x 250.0 mm x 220.0 mm (2.13 in. x 9.84 in. x 8.66 in.) Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 54.0 mm x 250.0 mm x 225.0 mm (2.13 in. x 9.84 in. x 8.86 in.)
Dimensions with packaging (H x W x D) [mm (in.)]	110 mm x 300 mm x 355 mm (4.33 in. x 11.81 in. x 13.98 in.)
Chassis height [U]	1.2 U
Chassis material	Metal
Weight without packaging [kg (lb)]	2.75 kg (6.06 lb)
Weight with packaging [kg (lb)]	3.35 kg (7.39 lb)
Typical power consumption [W]	20.7 W
Typical heat dissipation [BTU/hour]	70.63 BTU/hour
Maximum power consumption [W]	Without PoE: 25.41 W Full PoE load: 162.82 W (PoE: 125 W)
Maximum heat dissipation [BTU/hour]	Without PoE: 86.70 Full PoE load: 555.56
Static power consumption [W]	20.7 W
MTBF [years]	59.41 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)]	–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	AC built-in
Rated input voltage [V]	AC input: 100–240 V AC; 50/60 Hz
Input voltage range [V]	AC input: 90–290 V AC; 45–65 Hz
Maximum input current [A]	3 A
Memory	2 GB
Flash memory	Physical space: 1 GB
Console port	RJ45
Eth Management port	Not supported
USB	Supported
RTC	Not supported
RPS input	Not supported
Service port surge protection [kV]	Common mode: ±6 kV
Power supply surge protection [kV]	Differential mode: ±6 kV; common mode: ±6 kV
Ingress protection level	IP40
Types of fans	None
Heat dissipation mode	Natural heat dissipation
Airflow direction	-
PoE	Supported
Certification	EMC certification Safety certification Manufacturing certification