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Huawei S5735-L8T4X-A1 Switch: Comprehensive Technical Overview

Oct, 12, 2025 Hi-network.com

S5735-L8T4X-A1

The Huawei S5735-L8T4X-A1 is a compact Layer 3 switch engineered for high-performance networking in enterprise and campus environments. It provides gigabit access and 10G uplink capabilities, offering excellent flexibility, energy efficiency, and management features for modern network infrastructures.


Key Technical Specifications

Below are the detailed technical specifications for the S5735-L8T4X-A1:

Model: S5735-L8T4X-A1
Part Number: 98011282
Power Supply: Built-in AC power module (non-pluggable)
Ports: 8 x 10/100/1000BASE-T ports, 4 x 10GE SFP+ ports
Console Port: 1 x RJ45 console port
USB Port: 1 x USB 2.0 Type-A
Button: 1 x PNP (Plug and Play) reset/factory restore button
Cooling: Built-in fan with forced air cooling (air in from left/front, out from right)
Dimensions (W x D x H): 300 mm × 220 mm × 43.6 mm
Weight: Approximately 2.5 kg
First Supported Software Version: V200R020C10

Ports and Connectivity Options

10/100/1000BASE-T Ethernet Ports

The switch includes eight 10/100/1000BASE-T electrical ports using RJ45 connectors. These ports support auto-negotiation and auto-MDI/MDIX, providing seamless gigabit connectivity for end devices such as computers, access points, and IP phones.


10GE SFP+ Uplink Ports

The four SFP+ optical ports support both 1G and 10G transmission, enabling flexible uplink deployment. They are compatible with various Huawei-certified optical modules and cables, including:

▪ GE and 10GE SFP+ optical modules (CWDM, DWDM)
▪ SFP+ high-speed copper and AOC cables (1m to 10m)
▪ Dedicated SFP+ stacking cables (for zero-configuration stacking)

Console and USB Ports

The RJ45 console port connects to a terminal for local configuration and troubleshooting. The USB 2.0 port allows firmware upgrades, file transfers, and configuration backups using a standard USB flash drive (up to 128GB supported).


Power Supply System

The S5735-L8T4X-A1 features a built-in AC power supply module. It does not support pluggable or redundant power options, simplifying installation and maintenance while maintaining reliability for small-scale deployments.


Cooling and Heat Dissipation

The switch uses a forced-air cooling design with internal fans. Air intake occurs from the left and front, while exhaust is directed to the right side. This design ensures optimal thermal performance even under high-load conditions, meeting desktop-class noise standards during normal operation.


Indicators and Buttons

Status LEDs

▪ System LED – Indicates operating status and fault conditions.
▪ Port LEDs – Display link status, speed, and activity for Ethernet ports.
▪ Stack LED – Shows stacking configuration and link health.

PNP Button Functions

▪ Press for less than 6 seconds: resets the switch.
▪ Hold for more than 6 seconds: restores factory defaults.

Warning: Resetting or restoring the switch causes service interruptions; use with caution.


Mounting and Installation

The S5735-L8T4X-A1 is designed for flexible installation options including desktop placement or rack mounting. The compact chassis fits easily in limited-space environments, making it ideal for small office deployments or edge aggregation points.


Network Features and Capabilities

Layer 2 Features

▪ VLAN support (up to 4,096 VLANs)
▪ Spanning Tree Protocol (STP, RSTP, MSTP)
▪ Link Aggregation Control Protocol (LACP)
▪ Port isolation and mirroring

Layer 3 Features

▪ Static routing, RIP, and OSPF protocols
▪ ARP and DHCP snooping
▪ Inter-VLAN routing

Security Features

▪ 802.1X authentication and MAC filtering
▪ DHCP snooping and IP source guard
▪ Port security and ACL-based filtering

QoS and Traffic Management

▪ Priority queuing and traffic shaping
▪ Bandwidth control and congestion avoidance
▪ Classification and marking based on DSCP/CoS

Management and Maintenance

Management Interfaces

▪ CLI via console port
▪ Web-based GUI management
▪ SNMP v1/v2/v3 and NMS support
▪ USB-based configuration import/export

Maintenance Features

▪ Real-time device monitoring
▪ Remote upgrade and file management
▪ Event logging and diagnostics tools

Stacking and Expansion

The S5735-L8T4X-A1 supports zero-configuration stacking via dedicated SFP+ stack cables. This feature enables multiple switches to operate as a single logical unit, simplifying network management and enhancing scalability.


Energy Efficiency and Environmental Adaptability

Huawei has integrated advanced energy-saving technologies into the S5735-L8T4X-A1. The switch dynamically adjusts fan speeds based on temperature, reducing power consumption and noise. It complies with environmental standards, ensuring stable operation in diverse temperature and humidity conditions.


Reliability and Redundancy

The switch supports link redundancy through LACP and spanning tree protocols. These mechanisms ensure uninterrupted service in the event of link or device failures, improving overall network reliability.


Typical Application Scenarios

Enterprise Access Layer

Ideal for connecting end-user devices in corporate LAN environments, offering gigabit access with secure, manageable, and scalable connections.


Campus Edge Deployment

Perfect for educational or commercial campuses where a mix of gigabit access and 10G uplink aggregation is required for smooth communication and data transfer.


Branch Office Networks

Its compact form factor and built-in power supply make it an excellent choice for small branch networks demanding high reliability with minimal infrastructure.


Advantages of Huawei S5735-L8T4X-A1

▪ Compact design suitable for space-limited environments
▪ High-speed uplinks with 10G SFP+ ports
▪ Advanced security and QoS management
▪ Energy-efficient operation with intelligent fans
▪ Easy management via multiple interfaces

Comparison with Similar Models

Compared with the S5735-L8T4S-A1, the L8T4X-A1 provides 10G SFP+ uplinks instead of 1G SFP ports, offering higher uplink bandwidth and improved scalability. This makes it more suitable for high-performance access or small aggregation scenarios.


Environmental and Safety Standards

The S5735-L8T4X-A1 meets global standards for electromagnetic compatibility, safety, and environmental protection. It complies with RoHS and WEEE directives, ensuring minimal environmental impact throughout its lifecycle.


FAQs about Huawei S5735-L8T4X-A1

1. What is the maximum data rate supported by the uplink ports?

Each SFP+ uplink port supports up to 10 Gbit/s, with backward compatibility for 1 Gbit/s modules.


2. Can the switch operate with redundant power?

No. The S5735-L8T4X-A1 includes a built-in AC power supply and does not support redundant modules.


3. Does it support PoE functionality?

No, this specific model (L8T4X-A1) does not provide PoE capability. For PoE support, consider the S5735-L8P4X-A1 variant.


4. Is stacking configuration complex?

Not at all. The device supports zero-configuration stacking, allowing simple setup using dedicated cables.


5. What are the cooling requirements?

The built-in fan ensures efficient cooling under standard ambient temperatures. Adequate ventilation should be maintained for optimal performance.


6. Which Huawei software version supports this model first?

The S5735-L8T4X-A1 is first supported from software version V200R020C10.


Conclusion

The Huawei S5735-L8T4X-A1 is a robust and efficient Layer 3 switch that combines gigabit access, 10G uplink flexibility, and enterprise-class reliability. Designed for simplicity, energy efficiency, and intelligent management, it’s an excellent choice for enterprises, campuses, and small to medium-sized business networks seeking scalability and performance.


Huawei CloudEngine S5735-L8T4X-A1 (98011282)  Switch

Huawei 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: [email protected])



S5735-L8T4X-A1

Overview

Table 4-1870 Basic information about the S5735-L8T4X-A1

ItemDetails
DescriptionS5735-L8T4X-A1 (8*10/100/1000BASE-T ports, 4*10GE SFP+ ports, AC power)
Part Number98011282
ModelS5735-L8T4X-A1
First supported versionV200R020C10
RemarksSome 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 4-663 S5735-L8T4X-A1 appearance

1

Eight 10/100/1000BASE-T ports

2

Four 10GE SFP+ ports

3

One console port

4

One USB port

5

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.

6

Ground screw

NOTE:It is used with a ground cable.

7

AC socket

NOTE:

It is used with an AC power cable.

8

Jack for AC power cable locking strap

NOTE:The AC power cable locking strap is not delivered with the switch.

Ports

Table 4-1871 Ports on the S5735-L8T4X-A1

PortConnector TypeDescriptionAvailable Components
10/100/1000BASE-T portRJ45A 10/100/1000BASE-T Ethernet electrical port sends and receives service data at 10/100/1000 Mbit/s.

Ethernet cable

10GE SFP+ optical portSFP+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-DWDM eSFP optical modules

  • GE SFP copper module

  • 10GE SFP+ optical modules (OSXD22N00 not supported)

  • 10GE-CWDM SFP+ optical modules

  • 10GE-DWDM SFP+ optical modules

  • Industrial optical modules (only optical modules with transmission distances less than or equal to 10 km are supported)

  • 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 cables (only for zero-configuration stacking)

Console portRJ45The console port is connected to a console for on-site configuration.

Console cable

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

USB flash drive

Indicators and Buttons

The S5735-L8T4X-A1 has similar indicators to those on the S5735-L24P4X-A1 except that the S5735-L8T4X-A1 does not have a PoE mode indicator. 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 4-1872 Technical specifications of the S5735-L8T4X-A1

ItemSpecification
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 materialMetal
Weight without packaging [kg(lb)]1.44 kg (3.18 lb)
Weight with packaging [kg(lb)]2.08 kg (4.59 lb)
Typical power consumption [W]21.1 W
Typical heat dissipation [BTU/hour]72 BTU/hour
Maximum power consumption [W]26.3 W
Maximum heat dissipation [BTU/hour]89.74 BTU/hour
Static power consumption [W]14.6 W
MTBF [years]67.07 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 slots0
Number of power slots0
Number of fans modules1
Redundant power supplyNot 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 modeAC 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
Memory512 MB
Flash memory512 MB
Console portRJ45
Eth Management portNot supported
USBSupported
RTCNot supported
RPS inputNot 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 fansBuilt-in
Heat dissipation modeHeat dissipation with fan, intelligent fan speed adjustment
Airflow directionAir intake from left and front, air exhaustion from right
PoENot supported
Certification

EMC certification

Safety certification

Manufacturing certification


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