The S5735-S48T4X is a high-performance enterprise Ethernet switch designed for modern campus networks, data access layers, and aggregation scenarios. As part of the Huawei S5735 series, this model is built to deliver reliable Gigabit access, flexible uplink capabilities, and intelligent network management features that support digital transformation in enterprises, education, healthcare, and government environments.

With the increasing demand for cloud computing, IoT devices, and high-bandwidth applications, organizations require switching infrastructure that is both scalable and stable. The S5735-S48T4X is engineered to meet these demands by offering a balance of performance, security, and energy efficiency.

Key Features of S5735-S48T4X

The S5735-S48T4X comes with a variety of features that make it suitable for enterprise-grade networking environments. It focuses on high-density access, intelligent forwarding, and simplified operations.

High-Density Gigabit Access

This switch provides multiple Gigabit Ethernet ports that support large-scale endpoint connectivity. It is ideal for environments where a high number of users and devices must be connected simultaneously without performance degradation.

Flexible Uplink Architecture

The uplink design of the S5735-S48T4X supports high-speed connections to core switches or aggregation layers. This ensures smooth traffic flow and reduces bottlenecks in enterprise network environments.

Energy-Efficient Design

Huawei integrates advanced power-saving technologies in the S5735-S48T4X. The system dynamically adjusts power consumption based on traffic load and port status, making it a sustainable choice for long-term deployments.

Enhanced Network Security

Security is a core component of the switch design. It includes multiple security mechanisms such as access control, anti-attack features, and user authentication to protect enterprise networks from unauthorized access and malicious traffic.

Technical Specifications of S5735-S48T4X

The S5735-S48T4X is designed with enterprise-level specifications that support high throughput and stable performance in demanding environments. Below are the key technical aspects of the device:

▪ Ports:  48 x Gigabit Ethernet access ports and multiple 10GE SFP+ uplink ports
▪ Switching Capacity:  High-capacity backplane designed to handle large traffic volumes efficiently
▪ Forwarding Performance:  Wire-speed forwarding to ensure low latency communication
▪ Uplink Interfaces:  10GE uplink support for high-speed aggregation connectivity
▪ MAC Address Table:  Large MAC address capacity for scalable enterprise deployments
▪ VLAN Support:  Extensive VLAN segmentation for secure and structured network design
▪ Power Supply:  Redundant power options for improved reliability
▪ Fan System:  Intelligent cooling with adaptive fan speed control for thermal efficiency
▪ Management:  Web-based, CLI, SNMP, and cloud-based management support
▪ Operating Mode:  Layer 2 and Layer 3 switching capabilities for flexible deployment scenarios

Performance and Scalability

The S5735-S48T4X is designed to deliver consistent performance even under heavy network loads. Its hardware architecture ensures that data packets are processed at wire speed, minimizing latency and improving application responsiveness.

Scalability is one of its strongest advantages. Enterprises can expand their network infrastructure without replacing core hardware, thanks to support for stacking and modular uplink configurations. This makes the switch suitable for growing organizations that anticipate increased traffic demands over time.

Additionally, the device supports advanced traffic management techniques such as Quality of Service (QoS), which prioritizes critical applications like voice, video conferencing, and cloud services.

Deployment Scenarios for S5735-S48T4X

The S5735-S48T4X is versatile and can be deployed in a wide range of environments. Its design makes it suitable for both small enterprise networks and large-scale campus infrastructures.

In office environments, it serves as an access switch connecting employee workstations, printers, IP phones, and wireless access points. In educational institutions, it supports digital classrooms, online learning platforms, and campus-wide connectivity.

In data-heavy industries such as healthcare and finance, the switch ensures reliable data transmission for critical applications such as patient records systems, financial transactions, and cloud-based analytics tools.

It is also widely used in smart city deployments where IoT devices require stable and continuous connectivity across distributed environments.

Network Management and Cloud Integration

The S5735-S48T4X supports modern network management solutions that simplify configuration and monitoring. Administrators can manage the switch using traditional CLI tools or web-based interfaces, but it also supports cloud-based network management platforms.

Cloud integration allows IT teams to monitor network health, analyze traffic patterns, and deploy configurations remotely. This reduces operational complexity and improves response times during network issues.

Automation features are also included, enabling zero-touch provisioning and simplified device onboarding. This is particularly beneficial in large-scale deployments where manual configuration would be time-consuming.

Security Features of S5735-S48T4X

Security is a critical aspect of enterprise switching, and the S5735-S48T4X includes multiple layers of protection to safeguard network infrastructure.

It supports access control mechanisms such as ACLs (Access Control Lists), port security, and DHCP snooping. These features help prevent unauthorized access and reduce the risk of internal threats.

The switch also includes anti-attack features that protect against network-level threats such as broadcast storms, ARP spoofing, and denial-of-service attempts.

In addition, user authentication protocols ensure that only verified devices and users can access the network, making it suitable for secure enterprise environments.

Advantages in Enterprise Networks

The S5735-S48T4X offers several advantages that make it a preferred choice for enterprise network infrastructure. Its combination of performance, flexibility, and security ensures stable operations in demanding environments.

One of the major advantages is operational simplicity. With integrated management tools and automation capabilities, IT teams can reduce the time and effort required for network maintenance.

Another advantage is cost efficiency. By combining multiple functionalities into a single device, organizations can reduce the need for additional hardware investments.

Reliability is also a key benefit. With redundant power support and advanced cooling mechanisms, the switch ensures continuous operation even under challenging conditions.

Finally, its scalability allows businesses to expand their network infrastructure without significant redesign or replacement of existing systems.

Conclusion

The S5735-S48T4X is a powerful and versatile enterprise switch designed to meet the evolving demands of modern networks. Its high-density Gigabit access, flexible uplink architecture, strong security features, and advanced management capabilities make it suitable for a wide range of deployment scenarios.

Whether used in enterprise campuses, educational institutions, or smart city infrastructures, the S5735-S48T4X delivers reliable performance and long-term scalability. As organizations continue to embrace digital transformation, switches like the S5735-S48T4X play a crucial role in ensuring fast, secure, and efficient connectivity across all network layers.

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S5735-S48T4X

Version Mapping

Table 4-1430 lists the mapping between the S5735-S48T4X chassis and software versions.

Table 4-1430 Version mapping

Series	Model	Software Version
S5735-S	S5735-S48T4X	V200R019C00 to V200R024C00 versions NOTE: V200R021C01 is not supported.

Appearance and Structure

Figure 4-537 S5735-S48T4X appearance

1	Forty-eight 10/100/1000BASE-T ports	2	Four 10GE SFP+ ports Applicable modules and cables: GE optical module GE-CWDM optical module GE-DWDM optical module GE copper module (100M/1000M auto-sensing) 10GE SFP+ optical module (OSXD22N00 not supported) 10GE-CWDM optical module 10GE-DWDM optical module 1 m and 3 m SFP+ high-speed copper cables 3 m and 10 m SFP+ AOC cables 0.5 m and 1.5 m SFP+ dedicated stack copper cables (used for zero-configuration stacking, applicable in V200R019C10 and later versions)
3	One console port	4	One ETH management port
5	One USB port	6	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.
7	Ground screw NOTE: It is used with a ground cable.	8	Power module slot 1 NOTE: Applicable power module: PAC60S12-AR (60 W AC&240 V DC Power Module) PDC1000S12-DB (1000 W DC Power Module) PDC180S12-CR (180 W DC Power Module) (applicable in V200R020C00 and later versions)
9	Power module slot 2 NOTE: Applicable power module: PAC60S12-AR (60 W AC&240 V DC Power Module) PDC1000S12-DB (1000 W DC Power Module) PDC180S12-CR (180 W DC Power Module) (applicable in V200R020C00 and later versions)	-	-

Port Description

10/100/1000BASE-T port

A 10/100/1000BASE-T Ethernet electrical port sends and receives service data at 10/100/1000 Mbit/s, and must use an Ethernet cable. Table 4-1431 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.

Table 4-1431 Attributes of a 10/100/1000BASE-T Ethernet electrical port

Attribute	Description
Connector type	RJ45
Standards compliance	IEEE802.3, IEEE802.3u, IEEE802.3ab
Working mode	10/100/1000 Mbit/s auto-sensing
Maximum transmission distance	100 m

10GE SFP+ port

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. Table 4-1432 describes the attributes of a 10GE SFP+ Ethernet optical port.

Table 4-1432 Attributes of a 10GE SFP+ port

Attribute	Description
Connector type	LC/PC
Optical port attributes	Depend on the optical module used
Standards compliance	IEEE802.3ae
Working mode	GE/10GE auto-sensing

Console port

The console port is connected to a console for on-site configuration. The port must use a console cable. The console port is used when a switch is powered on for the first time. For details about the attributes of a console port, see Table 4-1433.

Table 4-1433 Attributes of a console port

Attribute	Description
Connector type	RJ45
Standards compliance	RS-232
Working mode	Duplex Universal Asynchronous Receiver/Transmitter (UART)
Baud rate	9600 bit/s, 19200 bit/s, 38400 bit/s, 57600 bit/s, or 115200 bit/s Default value: 9600 bit/s

ETH management port

You can connect a switch to a configuration terminal or network management workstation through the ETH management port to configure the switch locally or remotely. The port must use an Ethernet cable. You can choose to download the software package through the ETH management port in the BootLoad menu. File transfer through the ETH management port is faster than transfer through the console port. Table 4-1434 describes the attributes of an ETH management port.

Table 4-1434 Attributes of an ETH management port

Attribute	Description
Connector type	RJ45
Standards compliance	IEEE802.3
Working Mode	10/100 Mbit/s auto-sensing
Maximum transmission distance	100 m

In V200R012C00 and later versions, you can log in to the switch that contains the ETH management port for the first time through the ETH port. For details, see "First Login to a Switch" in the Configuration Guide - Basic Configuration. If you have logged in to the switch for the first time by pressing and holding the MODE button for 6 seconds or longer and saved the configuration, the default configuration on the ETH port will be cleared. In this case, you cannot log in to the switch for the first time through the ETH port. You are advised to log in to the switch for the first time through the ETH port.

USB port

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. Switches support a maximum of 128 GB USB flash drives.

Indicator Description

The S5735-S48T4X has similar indicators to those on the S5735-S24P4X except that the S5735-S48T4X does not have a PoE mode indicator. For details, see Indicator Description.

Power Supply Configuration

The switch can use a single power module or double power modules for 1+1 power redundancy. Pluggable AC and DC power modules can be used together in the same switch. However, the power modules with natural heat dissipation and the power modules with fan cannot be used at the same time.

Heat Dissipation

The S5735-S48T4X has two built-in fans for forced air cooling. Air flows in from the left, right, and front sides, and exhausts from the rear panel.

This figure only shows the airflow direction and does not depict the actual device.

Technical Specifications

Table 4-1435 lists technical specifications of the S5735-S48T4X.

Table 4-1435 Technical specifications

Item	Description
Memory (RAM)	1 GB
Flash	512 MB in total. To view the available flash memory size, run the display version command.
Mean time between failures (MTBF)	74.7 years
Availability	> 0.99999
Service port surge protection	Common mode: ±7 kV
Power supply surge protection	Using AC power modules: ±6 kV in differential mode, ±6 kV in common mode Using DC power modules: ±2 kV in differential mode, ±4 kV in common mode
Dimensions (H x W x D)	Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 420.0 mm (1.72 in. x 17.4 in. x 16.5 in.) Maximum dimensions (the depth is the distance from ports on the front panel to the handle on the rear panel): 43.6 mm x 442.0 mm x 444.2 mm (1.72 in. x 17.4 in. x 17.49 in.)
Weight (with packaging)	7.69 kg (16.95 lb)
Stack ports	Any 10/100/1000BASE-T ports or 10GE SFP+ ports (applicable in V200R019C10 and later versions)
RTC	Supported
RPS	Not supported
PoE	Not supported
Rated voltage range	AC input: 100 V AC to 240 V AC, 50/60 Hz High-Voltage DC input: 240 V DC DC input: -48 V DC to -60 V DC
Maximum voltage range	AC input: 90 V AC to 264 V AC, 47 Hz to 63 Hz High-Voltage DC input: 190 V DC to 290 V DC DC input: -38.4 V DC to -72 V DC
Maximum power consumption (100% throughput, full speed of fans)	59 W
Typical power consumption (30% of traffic load) Tested according to ATIS standard EEE enabled No PoE power consumption	40 W
Operating temperature	-5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906 ft.) NOTE: 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).
Short-term operating temperature	-5°C to +55°C (23°F to 131°F) at an altitude of 0-1800 m (0-5906 ft.) NOTE: 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 equipment can operate beyond the normal operating temperature range for a short-term period, but the following conditions must be met: The equipment operates at a temperature of over 45°C (113°F) consecutively for at most 96 hours in one year. The equipment operates at a temperature of over 45°C (113°F) for a total of no more than 360 hours in one year. The equipment operates at a temperature of over 45°C (113°F) for no more in 15 times in one year. The equipment may be damaged or experience unexpected exceptions if any of the preceding limits is exceeded. The equipment cannot start when the temperature is lower than 0°C (32°F). The maximum distance of optical modules used in these conditions cannot exceed 10 km.
Storage temperature	-40°C to +70°C (-40°F to +158°F)
Noise under normal temperature (27°C, sound power)	< 58.9 dB(A)
Relative humidity	5% to 95%, noncondensing
Operating altitude	0-5000 m (0-16404 ft.)
Certification	EMC certification Safety certification Manufacturing certification
Part number	98010941