The S5735-L16T4S-A-V2 is a compact, high-performance enterprise access switch designed by Huawei for small to medium-sized campus networks, branch offices, and commercial environments that demand stable Layer 2 and Layer 3 switching. As part of the CloudEngine S5735-L series, this model balances reliability, simplified management, and energy efficiency while maintaining enterprise-grade forwarding performance. Built to support modern Ethernet requirements, the S5735-L16T4S-A-V2 provides a practical mix of Gigabit access ports and high-speed uplinks, making it suitable for connecting user terminals, IP phones, wireless access points, and upstream aggregation switches. Its hardware architecture emphasizes long-term stability, making it a dependable foundation for business-critical network services.
Product Design and Hardware Architecture
The S5735-L16T4S-A-V2 follows Huawei’s standardized CloudEngine design philosophy, focusing on compact dimensions, efficient airflow, and robust internal components. The switch is designed for deployment in standard 19-inch racks or desktop environments, offering flexibility for various installation scenarios. Internally, the device integrates a purpose-built switching chipset optimized for low latency and consistent packet forwarding. This ensures that even under heavy traffic loads, the switch maintains predictable performance. The “A” designation indicates an AC power supply model, suitable for common enterprise power environments.
Physical Layout and Interfaces
The front panel layout prioritizes ease of use and clarity, with clearly labeled Ethernet and uplink ports, as well as LED indicators that provide instant visibility into port and system status. This design helps network administrators quickly diagnose link conditions and operational health during daily maintenance.
Key Technical Specifications
The S5735-L16T4S-A-V2 is defined by a balanced set of technical specifications that support enterprise access networking requirements while remaining cost-effective. ▪ Ports: 16 x 10/100/1000BASE-T Ethernet ports for user access
▪ Uplink Interfaces: 4 x 10GE SFP+ ports for high-speed aggregation connections
▪ Switching Capacity: High backplane bandwidth to support simultaneous full-duplex traffic
▪ Forwarding Performance: Wire-speed packet forwarding for all ports
▪ Power Supply: Built-in AC power module for enterprise environments
▪ Cooling: Intelligent fan design for efficient heat dissipation and low noise operation
▪ Form Factor: 1U compact chassis suitable for rack or desktop installation
These specifications ensure that the switch can comfortably handle everyday enterprise traffic patterns without introducing bottlenecks.
Layer 2 Switching Capabilities
At the access layer, robust Layer 2 functionality is essential, and the S5735-L16T4S-A-V2 delivers a comprehensive feature set. It supports extensive VLAN configurations, enabling logical network segmentation to improve security and traffic management. Advanced MAC address table handling allows the switch to learn and forward traffic efficiently, even in environments with a large number of connected devices. Features such as VLAN tagging and trunking simplify integration with upstream switches and multi-VLAN architectures.
VLAN and Traffic Control
The switch supports multiple VLAN management mechanisms, allowing administrators to isolate departments, devices, or services logically. This helps reduce broadcast traffic and enhances overall network performance while improving security boundaries within the organization.
Layer 3 Features and Routing Support
Beyond basic switching, the S5735-L16T4S-A-V2 offers practical Layer 3 capabilities suitable for access-layer routing. These features allow the device to participate in routed networks, reducing dependency on centralized routers for simple inter-VLAN communication. Static routing and basic dynamic routing support enable efficient traffic forwarding between subnets. This is particularly beneficial in branch office deployments, where simplifying the network topology can reduce latency and operational complexity.
IPv4 and IPv6 Readiness
The switch is designed to support both IPv4 and IPv6 environments, ensuring long-term compatibility as organizations transition toward next-generation IP addressing. Dual-stack operation allows gradual migration without disrupting existing services.
Quality of Service (QoS) Capabilities
Quality of Service is a critical component in modern networks that carry voice, video, and data simultaneously. The S5735-L16T4S-A-V2 includes comprehensive QoS mechanisms to ensure that latency-sensitive applications receive appropriate priority. Traffic classification, queuing, and scheduling features allow administrators to define policies that align with business priorities. This ensures smooth voice calls, stable video conferencing, and responsive application access even during peak usage periods.
Traffic Prioritization and Control
By supporting multiple priority queues per port, the switch can differentiate between traffic types and allocate bandwidth accordingly. This granular control helps maintain service quality across diverse application workloads.
Security Features and Network Protection
Security is a fundamental consideration in access-layer switching, and the S5735-L16T4S-A-V2 integrates multiple protection mechanisms to safeguard enterprise networks. These features help prevent unauthorized access, mitigate attacks, and maintain network integrity. The switch supports port-based access control, allowing administrators to define which devices are permitted to connect. Combined with traffic monitoring and filtering, this creates a strong first line of defense at the network edge.
Access Control and Threat Mitigation
Built-in security policies help protect against common threats such as MAC flooding and unauthorized device connections. These capabilities reduce the risk of network disruptions and data breaches originating at the access layer.
Network Management and Monitoring
Efficient management is essential for maintaining reliable network operations. The S5735-L16T4S-A-V2 supports multiple management methods, including command-line interfaces and centralized network management platforms. Administrators can monitor traffic statistics, port status, and system health in real time, enabling proactive maintenance and faster troubleshooting. This visibility reduces downtime and simplifies ongoing network administration.
Centralized and Local Management Options
The switch integrates smoothly into Huawei’s enterprise network management ecosystem, allowing centralized configuration and monitoring across multiple devices. Local management options remain available for on-site configuration and diagnostics.
Energy Efficiency and Operational Reliability
Energy efficiency is an increasingly important factor in network equipment selection. The S5735-L16T4S-A-V2 is designed with power-saving technologies that reduce energy consumption during periods of low activity. Intelligent cooling and power management features help maintain optimal operating conditions while minimizing noise and electricity usage. This contributes to lower operational costs and a more sustainable IT infrastructure.
Stable Operation in Enterprise Environments
The switch is engineered for continuous operation, with components selected for durability and long service life. This reliability is critical in business environments where network downtime can directly impact productivity.
Deployment Scenarios and Use Cases
The S5735-L16T4S-A-V2 is well suited for a wide range of deployment scenarios. In small and medium enterprises, it functions effectively as an access switch connecting user devices to the core network. In branch offices, it can serve as a combined access and light routing device. Educational institutions, retail locations, and healthcare facilities can also benefit from its balanced performance and security features. Its compact size and quiet operation make it suitable for installations outside dedicated data centers.
Scalability for Growing Networks
With high-speed uplink ports and support for network expansion technologies, the switch can scale alongside organizational growth. This protects the initial investment and allows gradual network upgrades.
Comparison Within the S5735-L Series
Within the CloudEngine S5735-L family, the S5735-L16T4S-A-V2 occupies a practical middle ground. It offers more uplink flexibility than entry-level models while maintaining a cost profile suitable for budget-conscious deployments. Organizations that do not require Power over Ethernet but need reliable Gigabit access and 10GE uplinks will find this model particularly attractive.
Choosing the Right Model
Selecting the appropriate switch depends on factors such as port density, power requirements, and expected traffic loads. The S5735-L16T4S-A-V2 is optimized for environments where performance and simplicity are prioritized over advanced power features.
Conclusion
The S5735-L16T4S-A-V2 stands out as a dependable, efficient, and versatile enterprise access switch. By combining Gigabit access ports, high-speed uplinks, robust Layer 2 and Layer 3 features, and strong security mechanisms, it meets the core networking needs of modern organizations. Its thoughtful design, energy efficiency, and scalable architecture make it a solid choice for businesses seeking long-term value and stable network performance. Whether deployed in a small office, branch location, or campus access layer, the S5735-L16T4S-A-V2 provides a reliable foundation for enterprise connectivity.
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S5735-L16T4S-A-V2 (98011995)
Overview
Table 4-260 Basic information about the S5735-L16T4S-A-V2
| Item | Details |
|---|---|
| Description | S5735-L16T4S-A-V2 (16*10/100/1000BASE-T ports, 4*GE SFP ports, AC power) |
| Part Number | 98011995 |
| Model | S5735-L16T4S-A-V2 |
| First supported version | V600R022C01 |
Components
Figure 4-91 S5735-L16T4S-A-V2 appearance
| 1 | One MODE button | 2 | Sixteen 10/100/1000BASE-T ports |
| 3 | Four 1000BASE-X 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 | Jack for AC power cable locking strapNOTE:The AC power cable locking strap is not delivered with the switch. | 8 | AC socketNOTE:It is used with an AC power cable. |
Ports
Table 4-261 Ports on the S5735-L16T4S-A-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 |
| 1000BASE-X port | SFP | A 1000BASE-X port can send and receive data at 1000 Mbit/s. | GE eSFP optical modulesGE-CWDM eSFP optical modulesGE-DWDM eSFP optical modulesGE SFP copper module10GE SFP+ optical modules (only used for stack connection)10GE-CWDM SFP+ optical modules (only used for stack connection)10GE-DWDM SFP+ optical modules (only used for stack connection)1 m and 3 m SFP+ high-speed copper cables (only used for stack connection)10 m SFP+ AOC cables (only used for stack connection)0.5 m and 1.5 m SFP+ dedicated stack cables (only used for stack connection; zero-configuration stacking supported from V600R023C00) |
| Console port | RJ45 | The console port is connected to a console for on-site configuration. | Console cable |
Indicators and Buttons
The S5735-L16T4S-A-V2 has similar indicators to those on the S5735-L8P2T4X-A-V2 except that the S5735-L16T4S-A-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 a built-in fan for forced air cooling. Air flows in from the left side and front panel, and exhausts from the right side.
When working properly at a normal temperature, the device meets the desktop-class noise requirements. However, the fan speed may be high and the noise may be loud during device startup.
This figure only shows the airflow direction and does not depict the actual device.
Technical Specifications
Table 4-262 Technical specifications of the S5735-L16T4S-A-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 442.0 mm x 220.0 mm (1.72 in. x 17.4 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): 43.6 mm x 442.0 mm x 227.0 mm (1.72 in. x 17.4 in. x 8.94 in.) |
| Dimensions with packaging (H x W x D) [mm(in.)] | 90.0 mm x 550.0 mm x 360.0 mm (3.54 in. x 21.65 in. x 14.17 in.) |
| Chassis height [U] | 1 U |
| Chassis material | Metal |
| Weight without packaging [kg(lb)] | 2.22 kg (4.89 lb) |
| Weight with packaging [kg(lb)] | 3.34 kg (7.36 lb) |
| Typical power consumption [W] | 21.17 W |
| Typical heat dissipation [BTU/hour] | 72.23 BTU/hour |
| Maximum power consumption [W] | 28.84 W |
| Maximum heat dissipation [BTU/hour] | 98.4 BTU/hour |
| Static power consumption [W] | 13.8 W |
| MTBF [years] | 72.43 years |
| Availability | > 0.99999 |
| Noise at normal temperature (acoustic power) [dB(A)] | 47 dB(A) |
| Noise at normal temperature (acoustic pressure) [dB(A)] | 35 dB(A) |
| Number of card slots | 0 |
| Number of power slots | 0 |
| Number of fans modules | 1 |
| Redundant power supply | Not supported |
| Long-term operating temperature [°C(°F)] | -5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5905.44 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 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] | Differential mode: ±6 kV; common mode: ±6 kV |
| Ingress protection level (dustproof/waterproof) | IP20 |
| Types of fans | Built-in |
| Heat dissipation mode | Air cooling for heat dissipation, intelligent fan speed adjustment |
| Airflow direction | Air intake from left and front, air exhaustion from right |
| PoE | Not supported |
| Certification | EMC certificationSafety certificationManufacturing certification |