The S5735-L8T4X-QA-V2 is a compact, enterprise-class access switch designed for high-performance campus networks, branch offices, and industrial edge deployments. Built with Huawei’s intelligent switching architecture, it combines Layer 2 and Layer 3 capabilities, advanced security, and simplified network management in a fanless desktop form factor. This model is particularly suited for deployments where space, reliability, and quiet operation are essential.
The switch supports high-speed uplinks, flexible access ports, and intelligent traffic handling. It also integrates features such as virtualization, security policies, and energy-efficient design. These capabilities make the device ideal for small-to-medium enterprise access layers, IoT aggregation, and edge computing scenarios where performance and simplicity must coexist.
Hardware Design and Physical Characteristics
The S5735-L8T4X-QA-V2 features a compact metal chassis engineered for durability and passive heat dissipation. Its fanless design allows silent operation, which makes it suitable for office desktops, classrooms, retail environments, and industrial cabinets. The compact footprint allows installation in tight locations without compromising airflow.
Front-panel ports provide easy access for administrators and technicians, while status LEDs deliver clear visual indicators for power, link state, and system activity. The switch supports flexible mounting options, including desktop placement and wall mounting, making it adaptable to various deployment scenarios.
Port Layout and Interface Design
The switch includes multiple Gigabit Ethernet access ports and high-speed 10-Gigabit uplink ports. These interfaces allow seamless connectivity to access devices while maintaining strong uplink performance to aggregation or core switches. The layout is designed to minimize cable clutter and improve airflow.
Dedicated uplink interfaces enable network segmentation and efficient traffic forwarding. The combination of access and uplink ports ensures that bandwidth bottlenecks are minimized, especially in environments with high traffic demand such as video surveillance, wireless AP connectivity, or dense office deployments.
Cooling and Power Efficiency
The fanless architecture relies on passive cooling technology. This reduces mechanical failure risks and extends device lifespan. Passive heat dissipation is particularly beneficial in environments where dust or vibration could affect traditional fan-based systems.
Energy-efficient components reduce power consumption during low traffic conditions. Intelligent power management dynamically adjusts internal hardware utilization, allowing the switch to maintain performance while minimizing operational costs.
Key Technical Specifications
The S5735-L8T4X-QA-V2 provides enterprise-grade switching performance in a compact form factor. Below are the key technical specifications that define its capabilities and deployment flexibility.
These specifications demonstrate the switch’s ability to support modern network requirements such as high-speed uplinks, advanced Layer 3 routing, and efficient traffic forwarding.
▪ Ports: 8 x GE electrical ports, 4 x 10GE SFP+ uplink ports
▪ Switching Capacity: High-performance switching fabric designed for non-blocking forwarding
▪ Forwarding Performance: Wire-speed packet forwarding across all interfaces
▪ MAC Address Table: Large MAC capacity for enterprise access deployments
▪ Layer Support: Layer 2 and Layer 3 switching with static routing support
▪ Power Supply: Integrated AC power design for simplified deployment
▪ Cooling Mode: Fanless passive cooling architecture
▪ Management Ports: Console and out-of-band management support
▪ Dimensions: Compact desktop form factor suitable for edge deployments
▪ Operating Temperature: Designed for enterprise indoor environments
Key Features and Capabilities
The switch integrates advanced features designed to simplify enterprise network deployment. These include intelligent traffic management, enhanced security, and automation capabilities. Together, these features improve reliability and operational efficiency.
The device also supports flexible network architectures such as campus networks, branch connectivity, and industrial edge environments. These capabilities allow organizations to deploy consistent policies across distributed locations.
▪ Compact fanless enterprise access switch
▪ 10GE uplinks for high-bandwidth aggregation
▪ Advanced Layer 2 and Layer 3 switching capabilities
▪ Intelligent traffic classification and QoS support
▪ Enhanced security with access control policies
▪ Energy-efficient design with low power consumption
▪ Simplified deployment and management support
▪ Reliable hardware with passive cooling architecture
Layer 2 Switching Features
The S5735-L8T4X-QA-V2 provides comprehensive Layer 2 switching capabilities designed for modern enterprise networks. These include VLAN segmentation, link aggregation, and loop prevention technologies. These features allow administrators to design flexible and resilient access layer topologies.
Advanced VLAN capabilities support user isolation, traffic segmentation, and policy-based forwarding. This enables administrators to separate departments, IoT devices, and guest traffic without requiring additional hardware.
VLAN and Network Segmentation
The switch supports multiple VLAN configurations including port-based VLANs and tagged VLAN forwarding. This allows administrators to define logical network boundaries across shared infrastructure. VLAN segmentation improves security and reduces broadcast traffic.
Administrators can also deploy voice VLAN and management VLAN features. These capabilities simplify VoIP deployments and allow secure management traffic separation from user data traffic.
Link Aggregation and Redundancy
Link aggregation improves bandwidth and provides redundancy between network devices. The switch supports aggregation groups that combine multiple physical links into one logical interface. This increases throughput while ensuring failover protection.
Redundant uplink configurations enhance network reliability. If one link fails, traffic automatically shifts to remaining links without interrupting services.
Layer 3 Routing Capabilities
The S5735-L8T4X-QA-V2 supports Layer 3 routing functions that extend beyond simple switching. These capabilities allow the switch to operate as an intelligent access device capable of inter-VLAN routing and static route configuration.
Layer 3 functionality reduces dependency on upstream routers. This simplifies network architecture and improves traffic forwarding efficiency within the access layer.
Static Routing Support
The switch supports static route configuration for controlled traffic forwarding. Administrators can define routing paths between VLANs or external networks. This ensures predictable network behavior and simplified troubleshooting.
Static routing is ideal for branch networks and small campus environments. It reduces complexity while providing sufficient routing functionality.
Inter-VLAN Routing
Inter-VLAN routing allows communication between different VLANs without requiring external routers. The switch processes traffic locally, reducing latency and improving performance.
This capability is particularly useful for office environments where multiple departments must communicate while maintaining segmentation.
Quality of Service (QoS)
The switch includes comprehensive QoS capabilities to prioritize critical applications. Traffic classification ensures that voice, video, and business applications receive higher priority compared to background traffic.
QoS policies help maintain consistent performance even during peak usage periods. This ensures reliable communication for latency-sensitive services such as VoIP and video conferencing.
Traffic Classification
Traffic can be classified based on VLAN, port, or protocol type. This allows administrators to define granular QoS policies tailored to network requirements.
Classification mechanisms ensure that critical traffic flows receive appropriate priority and bandwidth allocation.
Queue Scheduling
The switch supports multiple scheduling mechanisms to manage packet transmission. These include weighted scheduling and strict priority forwarding.
Queue management ensures fair bandwidth distribution while maintaining priority for essential services.
Security Features
Security is a core component of the S5735-L8T4X-QA-V2 design. The switch integrates multiple protection mechanisms to defend against unauthorized access and network threats.
These security capabilities help protect enterprise networks, IoT devices, and user traffic from malicious activity.
Access Control and Authentication
The switch supports port-based authentication and access control lists. These features allow administrators to restrict access based on user identity or device type.
Authentication mechanisms enhance network security by ensuring that only authorized devices connect to the network.
Attack Prevention Mechanisms
The device includes protection against common Layer 2 attacks such as MAC flooding and broadcast storms. These safeguards maintain network stability during abnormal conditions.
Traffic monitoring and filtering further enhance protection against suspicious activity.
Management and Deployment
The S5735-L8T4X-QA-V2 supports flexible management options that simplify deployment and operation. Administrators can configure the switch using command-line interface, web-based management, or centralized controllers.
These management options reduce operational complexity and allow remote configuration across distributed networks.
Web-Based Management
The built-in web interface provides a graphical configuration environment. This simplifies deployment for administrators who prefer visual configuration tools.
Monitoring dashboards display port status, traffic statistics, and system health information.
Command-Line Interface
The CLI offers advanced configuration capabilities. Experienced administrators can deploy complex policies and automation scripts.
CLI access also enables remote troubleshooting and detailed diagnostics.
Typical Deployment Scenarios
The compact design and enterprise features make the switch suitable for a wide range of environments. These include enterprise access layers, branch offices, and industrial edge networks.
The device can also serve as an aggregation switch for IoT deployments, wireless access points, and surveillance systems.
Branch Office Networks
In branch offices, the switch provides reliable connectivity for users and devices. Its compact size allows installation in small communication cabinets.
High-speed uplinks ensure seamless connection to headquarters or data center networks.
Industrial and Edge Deployments
The fanless design makes the switch suitable for industrial environments. Passive cooling reduces maintenance requirements.
Edge deployments benefit from its compact footprint and stable performance.
Conclusion
The S5735-L8T4X-QA-V2 is a powerful compact enterprise switch designed for modern access networks. Its combination of high-speed uplinks, advanced Layer 2/Layer 3 features, and intelligent management capabilities makes it ideal for distributed deployments.
With fanless operation, enhanced security, and flexible deployment options, the switch provides reliable performance for offices, branches, and industrial edge environments. Organizations seeking a compact yet feature-rich access switch will find the S5735-L8T4X-QA-V2 well suited for their networking requirements.
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: [email protected])
S5735-L8T4X-QA-V2 (98012073)
Overview
Table 4-239 Basic information about the S5735-L8T4X-QA-V2
| Item | Details |
|---|---|
| Description | S5735-L8T4X-QA-V2 (8*10/100/1000BASE-T ports, 4*10GE SFP+ ports, AC power, Fanless) |
| Part Number | 98012073 |
| Model | S5735-L8T4X-QA-V2 |
| First supported version | V600R022C01 |
Components
Figure 4-74 S5735-L8T4X-QA-V2 appearance
| 1 | One MODE button | 2 | Eight 10/100/1000BASE-T ports |
| 3 | Four 10GE SFP+ ports | 4 | One console port |
| 5 | One PNP buttonNOTICE: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. | 6 | Ground screwNOTE:It is used with a ground cable. |
| 7 | AC socketNOTE:It is used with an AC power cable. | 8 | Jack for AC power cable locking strapNOTE:The AC power cable locking strap is not delivered with the switch. |
Ports
Table 4-240 Ports on the S5735-L8T4X-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 modulesGE-CWDM eSFP optical modulesGE SFP copper modules10GE 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 (only used for stack connection in versions earlier than V600R023C00)10 m SFP+ AOC cables0.5 m and 1.5 m SFP+ dedicated stack cables (only used for stack connection; zero-configuration stacking supported from V600R023C00)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 |
Indicators and Buttons
The S5735-L8T4X-QA-V2 has similar indicators to those on the S5735-L8P2T4X-A-V2 except that the S5735-L8T4X-QA-V2 does not have a PoE mode indicator. For details, see the S5735-L8P2T4X-A-V2.
Power Supply System
The switch has a built-in AC power module and does not support pluggable power modules.
Heat Dissipation System
The switch has no fans and uses natural heat dissipation.
Technical Specifications
Table 4-241 Technical specifications of the S5735-L8T4X-QA-V2
| 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 250.0 mm x 180.0 mm (1.72 in. x 9.84 in. x 7.1 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 250.0 mm x 187.0 mm (1.72 in. x 9.84 in. x 7.36 in.) |
| Dimensions with packaging (H x W x D) [mm(in.)] | 90.0 mm x 370.0 mm x 380.0 mm (3.54 in. x 14.57 in. x 14.96 in.) |
| Chassis height [U] | 1 U |
| Chassis material | Metal |
| Weight without packaging [kg(lb)] | 1.40 kg (3.09 lb) |
| Weight with packaging [kg(lb)] | 2.21 kg (4.87 lb) |
| Typical power consumption [W] | 16.2 W |
| Typical heat dissipation [BTU/hour] | 55.28 BTU/hour |
| Maximum power consumption [W] | 16.97 W |
| Maximum heat dissipation [BTU/hour] | 57.9 BTU/hour |
| Static power consumption [W] | 10.05 W |
| MTBF [years] | 76.15 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 V AC to 240 V AC, 50/60 Hz |
| Input voltage range [V] | AC input: 90 V AC to 264 V AC; 45 Hz to 65 Hz |
| Maximum input current [A] | 0.8 A |
| Memory | 2 GB |
| Flash memory | Physical space: 1 GB |
| Console port | RJ45 |
| Eth Management port | Not supported |
| USB | Not supported |
| RTC | Not supported |
| RPS input | Not supported |
| Service port surge protection [kV] | Common mode: ±7 kV |
| Power supply surge protection [kV] | ±6 kV in differential mode, ±6 kV in common mode |
| Ingress protection level (dustproof/waterproof) | IP20 |
| Types of fans | None |
| Heat dissipation mode | Natural heat dissipation |
| Airflow direction | - |
| PoE | Not supported |
| Certification | EMC certificationSafety certificationManufacturing certification |