The S5735-L8T4S-A1 is a compact enterprise-class access switch designed for high-performance campus networks, branch deployments, and small-to-medium enterprise environments. Built with reliability, flexibility, and scalability in mind, this switch delivers robust Layer 2 and Layer 3 capabilities while maintaining a small footprint suitable for desktop, wall-mounted, or cabinet installations. Organizations looking for a dependable access-layer solution benefit from advanced security, intelligent traffic control, and simplified management features integrated into a single platform.
The switch is particularly suited for scenarios requiring high-speed uplinks and Gigabit access ports, including enterprise offices, education campuses, retail branches, and industrial edge networks. With support for intelligent stacking, VLAN segmentation, QoS prioritization, and IPv6 features, the S5735-L8T4S-A1 provides long-term network investment protection. Its architecture enables stable forwarding performance while reducing latency, making it ideal for voice, video, and data convergence.
Designed with energy efficiency in mind, the switch supports intelligent power management and fanless or low-noise operation, which is critical in office environments. The device also supports flexible deployment models, allowing administrators to manage networks through centralized platforms or standalone configurations. These capabilities make the S5735-L8T4S-A1 a strong candidate for modern enterprise infrastructure.
Key Features of S5735-L8T4S-A1
The S5735-L8T4S-A1 integrates enterprise-grade functionality in a compact design. It supports advanced switching features, secure access control, and flexible deployment options that allow organizations to adapt to evolving network requirements.
▪ High-performance Gigabit access ports with 10GE uplink capability for bandwidth-intensive applications
▪ Compact design suitable for desktop, wall, and cabinet installation scenarios
▪ Advanced Layer 2 and Layer 3 features for intelligent network segmentation
▪ IPv4 and IPv6 dual-stack support for future-ready deployments
▪ Intelligent QoS policies for voice, video, and business-critical traffic prioritization
▪ Enhanced security including 802.1X authentication and MAC address filtering
▪ Energy-efficient architecture with intelligent power management
▪ Flexible management via CLI, SNMP, and centralized controllers
▪ Static routing and dynamic routing support for simplified network design
▪ Fanless or low-noise design suitable for quiet environments
Hardware Design and Architecture
The S5735-L8T4S-A1 uses a compact hardware platform optimized for stability and reliability. Its switching architecture provides wire-speed forwarding performance while maintaining low power consumption. The device is engineered for continuous operation and includes high-quality components that support enterprise deployments. The front panel layout provides easy access to Ethernet ports and uplink interfaces, while status LEDs offer clear operational visibility.
The uplink ports support high-speed connections to aggregation switches, allowing organizations to build scalable hierarchical networks. This hardware architecture helps reduce bottlenecks and improves overall network efficiency. The device also includes robust cooling design, ensuring stable operation even in extended working conditions. The compact size makes it suitable for branch offices and distributed deployments where space is limited. The chassis design supports flexible mounting options, increasing deployment versatility.
Port Configuration and Interface Details
The S5735-L8T4S-A1 provides flexible connectivity options designed to support access-layer deployment. Its port configuration supports Gigabit access connectivity along with high-speed uplinks.
Access Ports
The switch includes Gigabit Ethernet ports for connecting end devices such as PCs, IP phones, printers, and wireless access points. These ports support auto-negotiation and auto-MDI/MDIX functionality, simplifying deployment. The access interfaces support VLAN tagging, QoS classification, and traffic control policies. These capabilities allow administrators to segment traffic and prioritize critical applications such as VoIP or video conferencing.
Uplink Ports
The device includes high-speed SFP+ uplink interfaces that enable connections to aggregation switches or core network devices. These uplinks help reduce congestion and provide sufficient bandwidth for aggregated traffic. The uplink ports support fiber connectivity, ensuring longer transmission distances and improved reliability. This is particularly beneficial in campus or building deployments where switches are distributed across multiple floors.
Key Technical Specifications
▪ Ports: 8 x 10/100/1000BASE-T Ethernet ports, 4 x 10GE SFP+ uplink ports
▪ Switching Capacity: High-performance non-blocking switching architecture
▪ Forwarding Performance: Wire-speed packet forwarding for all ports
▪ Layer Support: Layer 2 and Layer 3 switching capabilities
▪ VLAN Support: IEEE 802.1Q VLAN tagging and advanced VLAN features
▪ Routing: Static routing and basic dynamic routing support
▪ QoS: Multiple queues with traffic classification and scheduling
▪ Security: 802.1X authentication, MAC filtering, and ACL support
▪ Management: CLI, SNMP, Web management, and centralized controller support
▪ IPv6: Full IPv6 feature support including dual-stack operation
▪ Power Consumption: Energy-efficient design with intelligent power control
▪ Mounting: Desktop, wall-mounted, or rack deployment options
Layer 2 Switching Capabilities
The S5735-L8T4S-A1 provides comprehensive Layer 2 switching features that enable flexible and efficient network segmentation. VLAN support allows administrators to isolate departments, services, or user groups. This segmentation improves security and reduces broadcast traffic.
Spanning Tree Protocol (STP), Rapid STP, and Multiple STP ensure loop-free topology and redundancy. These mechanisms protect networks from broadcast storms and maintain stable connectivity.
Link aggregation further enhances bandwidth and redundancy by combining multiple physical links into a logical connection. The switch also supports MAC address learning, port mirroring, and storm control. These capabilities simplify troubleshooting and enhance network monitoring. Administrators can track traffic patterns and quickly identify issues.
Layer 3 Routing Features
The S5735-L8T4S-A1 includes basic Layer 3 routing functionality, enabling inter-VLAN communication and simplified network architecture. Static routing allows administrators to define traffic paths between subnets without requiring a separate router. This functionality is particularly useful in branch networks where simplicity and cost-efficiency are priorities.
The switch can serve as a gateway for connected VLANs, reducing the need for additional hardware. IPv4 and IPv6 routing support ensures compatibility with modern network infrastructures. The Layer 3 capabilities also help reduce latency and improve performance by routing traffic locally. This enhances application responsiveness and reduces congestion on upstream devices.
Quality of Service (QoS) Features
QoS capabilities in the S5735-L8T4S-A1 ensure that mission-critical traffic receives priority. The switch supports traffic classification based on port, VLAN, IP precedence, and DSCP values. Administrators can assign different priority queues to applications such as VoIP, video conferencing, and enterprise software.
Scheduling mechanisms like Weighted Round Robin and Strict Priority ensure efficient traffic handling. Bandwidth limiting and traffic shaping features allow administrators to control usage and prevent network congestion. These capabilities help maintain consistent user experience across the network.
Security and Access Control
Security is a critical aspect of the S5735-L8T4S-A1. The switch includes multiple access control mechanisms that protect the network from unauthorized users and malicious activity.
User Authentication
The switch supports IEEE 802.1X authentication, allowing administrators to verify users before granting network access. This ensures only authorized devices connect to the network. MAC address authentication provides an alternative method for device-based access control. These features enhance endpoint security and prevent unauthorized connections.
Access Control Lists
ACLs enable granular traffic filtering based on IP address, protocol, or port. Administrators can define policies that restrict or permit traffic as needed. These controls help protect sensitive network segments and prevent unauthorized communication between departments or devices.
IPv6 and Future-Ready Networking
The S5735-L8T4S-A1 supports IPv6 dual-stack operation, allowing simultaneous IPv4 and IPv6 deployments. This ensures compatibility with modern network environments transitioning to IPv6. IPv6 features include neighbor discovery, IPv6 ACLs, and IPv6 routing.
These capabilities allow organizations to future-proof their infrastructure while maintaining compatibility with existing IPv4 networks. The switch also supports automatic configuration and address management, simplifying deployment. These features reduce administrative overhead and improve scalability.
Management and Monitoring
The switch provides multiple management interfaces that simplify configuration and monitoring. Administrators can manage the device using command-line interface, web-based GUI, or SNMP. Centralized management platforms allow administrators to control multiple switches from a single interface.
This improves operational efficiency and reduces configuration errors. Network monitoring features include port statistics, traffic analysis, and logging. These tools help administrators identify issues and optimize performance.
Deployment Scenarios
The S5735-L8T4S-A1 is suitable for a wide range of deployment environments. Its compact size and powerful features make it versatile for various use cases.
Enterprise Branch Offices
The switch provides reliable access-layer connectivity for small branch offices. It supports VLAN segmentation, QoS prioritization, and secure access control.
Campus Edge Networks
In campus deployments, the switch connects end users and wireless access points. High-speed uplinks ensure sufficient bandwidth to aggregation layers.
Retail and Remote Sites
Retail stores and remote offices benefit from the compact design and simple management. The switch supports reliable connectivity with minimal maintenance.
Energy Efficiency and Reliability
The S5735-L8T4S-A1 incorporates energy-saving technologies that reduce power consumption. Intelligent power management adjusts usage based on traffic load. The device also features reliable hardware components designed for continuous operation.
These design elements reduce downtime and improve network stability. Low-noise operation makes the switch suitable for office environments. This ensures minimal disruption while maintaining performance.
Conclusion
The S5735-L8T4S-A1 is a compact yet powerful enterprise access switch designed for modern networks. With Gigabit access ports, 10GE uplinks, advanced Layer 2 and Layer 3 features, and comprehensive security capabilities, it delivers reliable connectivity for diverse deployment scenarios. Its flexible management options, IPv6 support, and energy-efficient design make it a future-ready solution. Organizations seeking a scalable and dependable access-layer switch will find the S5735-L8T4S-A1 an excellent choice for branch, campus, and edge network deployments.
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S5735-L8T4S-A1 (98011284)
Overview
Table 4-1217 Basic information about the S5735-L8T4S-A1
| Item | Details |
|---|---|
| Description | S5735-L8T4S-A1 (8*10/100/1000BASE-T ports, 4*GE SFP ports, AC power) |
| Part Number | 98011284 |
| Model | S5735-L8T4S-A1 |
| First supported version | V200R020C10 |
| Remarks | Some models cannot be downgraded due to upgrades in components. Therefore, you are advised to run the display system-software information command (available in V200R021C00 and later versions) to check the software version supported by the device before the downgrade. |
Components
Figure 4-467 S5735-L8T4S-A1 appearance
| 1 | Eight 10/100/1000BASE-T ports | 2 | Four 1000BASE-X ports |
| 3 | One console port | 4 | 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. |
| 5 | Ground screwNOTE:It is used with a ground cable. | 6 | AC socketNOTE:It is used with an AC power cable. |
| 7 | Jack for AC power cable locking strapNOTE:The AC power cable locking strap is not delivered with the switch. | - | - |
Ports
Table 4-1218 Ports on the S5735-L8T4S-A1
| 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 100 or 1000 Mbit/s. | FE SFP/eSFP optical modules (applicable in V200R021C00 and later versions)GE eSFP optical modulesGE-CWDM eSFP optical modulesGE-DWDM eSFP optical modulesGE SFP copper moduleIndustrial optical modules (only optical modules with 1 Gbit/s transmission speed and transmission distances less than or equal to 10 km are supported)10GE SFP+ optical modules (only used for stack connection, OSXD22N00 not supported)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)3 m and 10 m SFP+ AOC cables (only used for stack connection)0.5 m and 1.5 m SFP+ dedicated stack cables (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-L8T4S-A1 has similar indicators to those on the S5735-L24P4X-A1 except that the S5735-L8T4S-A1 does not have USB and PoE mode indicators. For details, see the S5735-L24P4X-A1.
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 4-1219 Technical specifications of the S5735-L8T4S-A1
| 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)] | 1.38 kg (3.04 lb) |
| Weight with packaging [kg(lb)] | 2.02 kg (4.45 lb) |
| Typical power consumption [W] | 21.2 W |
| Typical heat dissipation [BTU/hour] | 72.34 BTU/hour |
| Maximum power consumption [W] | 26.3 W |
| Maximum heat dissipation [BTU/hour] | 89.74 BTU/hour |
| Static power consumption [W] | 14.8 W |
| MTBF [years] | 71.82 years |
| Availability | > 0.99999 |
| Noise at normal temperature (acoustic power) [dB(A)] | 43 dB(A) |
| Noise at normal temperature (acoustic pressure) [dB(A)] | 31.5 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) (0 m to 1800 m altitude, non-industrial optical modules)-5°C to +55°C (23°F to 131°F) (0 m to 1800 m altitude, industrial optical modules with transmission distances less than or equal to 10 km) |
| 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.).The switch cannot be started when the ambient temperature is lower than 0°C (32°F).The operating temperature ranges from -5°C to +45°C (23°F to 113°F) when optical modules with transmission distances greater than or equal to 70 km are used. |
| 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 | 512 MB |
| Flash memory | 512 MB |
| 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 | Built-in |
| Heat dissipation mode | Heat dissipation with fan, intelligent fan speed adjustment |
| Airflow direction | Air intake from left and front, air exhaustion from right |
| PoE | Not supported |
| Certification | EMC certificationSafety certificationManufacturing certification |