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Huawei S5735-L12P4S-A Datasheet

Aug, 28, 2026 Hi-network.com

S5735-L12P4S-A Datasheet

The Huawei S5735-L12P4S-A is a managed Gigabit Ethernet switch designed for enterprise campus networks, branch offices, and access-layer deployments. As part of the CloudEngine S5735-L series, it combines advanced Layer 2 and Layer 3 capabilities with PoE+ support, making it suitable for connecting IP phones, wireless access points, surveillance cameras, and other powered devices.


This switch provides 12 Gigabit Ethernet PoE+ ports and 4 Gigabit SFP uplink ports, delivering reliable connectivity and flexible network expansion. Built on Huawei's VRP platform, it offers strong security, simplified management, and intelligent networking features.


Key Features

Flexible Gigabit Connectivity

The switch offers a combination of copper and fiber interfaces, allowing organizations to connect end devices while supporting long-distance uplink connections through SFP ports.


PoE+ Power Delivery

Integrated PoE+ functionality enables the switch to provide power and data over a single Ethernet cable, reducing deployment complexity and installation costs.


Advanced Layer 3 Functions

Support for static routing, RIP, RIPng, OSPF, and OSPFv3 helps improve network efficiency and scalability in growing enterprise environments.


Enhanced Security

The device includes comprehensive security mechanisms, access control policies, VLAN segmentation, and user authentication features to help protect network resources.


Key Technical Specifications

▪ Fixed Ports:  12 × 10/100/1000Base-T PoE+ ports, 4 × GE SFP uplink ports
▪ PoE+ Support:  Supported for connected powered devices
▪ Switching Capacity:  Up to 32 Gbit/s (336 Gbit/s platform capacity)
▪ Forwarding Performance:  Up to 24 Mpps
▪ Routing Protocols:  Static Route, RIP, RIPng, OSPF, OSPFv3
▪ VLAN Capacity:  Up to 4094 VLANs
▪ Management Interfaces:  Console port, USB port, and Ethernet management port
▪ Dimensions:  43.6 mm × 442 mm × 220 mm
▪ Form Factor:  1U rack-mountable design


Typical Deployment Scenarios

The S5735-L12P4S-A is ideal for small and medium-sized enterprises, educational institutions, retail locations, and branch offices. Its PoE+ capabilities simplify deployments of wireless access points, VoIP phones, and security cameras while maintaining centralized network management and reliable performance.


With its combination of Gigabit access ports, fiber uplinks, PoE+ support, and Layer 3 intelligence, the Huawei S5735-L12P4S-A provides a dependable and cost-effective solution for modern enterprise network access layers.


S5735-L12P4S-A Datasheet

Download Datasheet: Huawei CloudEngine S5735-L12P4S-A Datasheet.pdf

For more datasheets, please go to the Download tab on each product details page, or search at Datasheet Download Center.


Huawei CloudEngine 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: info@hi-network.com)



S5735-L12P4S-A

Version Mapping

Table 4-1131 lists the mapping between the S5735-L12P4S-A chassis and software versions.

Table 4-1131 Version mapping

Series

Model

Software Version

S5735-L

S5735-L12P4S-A

V200R019C00 to V200R024C00 versions

NOTE:

V200R021C01 is not supported.

Appearance and Structure

Figure 4-450 S5735-L12P4S-A appearance

1

Twelve PoE+ 10/100/1000BASE-T ports

2

Four 1000BASE-X ports

Applicable modules:

  • FE optical module (applicable in V200R021C00 and later versions)

  • GE optical module

  • GE-CWDM optical module

  • GE-DWDM optical module

  • GE copper module

  • 10GE SFP+ optical module (only used for stack connection, OSXD22N00 not supported, applicable in V200R019C10 and later versions)

  • 1 m and 3 m SFP+ high-speed copper cables (only used for stack connection, applicable in V200R019C10 and later versions)

  • 3 m and 10 m SFP+ AOC cables (only used for stack connection, applicable in V200R019C10 and later versions)

  • 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

Jack for AC power cable locking strap

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

9

AC socket

NOTE:

It is used with an AC power cable.

-

-

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 4-1132 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.
Table 4-1132 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

1000BASE-X port

When a 1000BASE-X port uses a GE optical module, it can only transmit and receive data at 1000 Mbit/s and does not support the 100 Mbit/s transmission speed. When a 1000BASE-X port uses a FE optical module, it can transmit and receive data at 100 Mbit/s. When a 1000BASE-X port uses a GE copper module, it can transmit and receive data at 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. Table 4-1133 describes the attributes of a 1000BASE-X Ethernet optical port.
Table 4-1133 Attributes of a 1000BASE-X Ethernet optical port

Attribute

Description

Connector type

LC/PC

Optical port attributes

Depend on the module used

Standards compliance

IEEE802.3z

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 4-1134.
Table 4-1134 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 4-1135 describes the attributes of an ETH management port.
Table 4-1135 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

Hold down the mode switch button for 6s and release it to start the web initial login mode. Either of the following situations will occur:

  • If the switch has no configuration file, the system attempts to enter the web initial login mode. In this mode, the status of mode indicators is as follows:

    • If the system enters the web initial login mode successfully, all mode indicators turn green and stay on for a maximum of 10 minutes.

    • If the system fails to enter the initial login mode, all mode indicators fast blink for 10 seconds and then restore the default status.

  • If the switch has a configuration file, the system cannot enter the web initial login mode. In this case, all mode indicators fast blink for 10s, and then return to the default states.

Figure 4-451 Indicators on the S5735-L12P4S-A
Table 4-1136 Description of indicators on the switch

No.

Indicator

Name

Color

Status

Description

1

PWR

Power module indicator

-

Off

The switch is powered off.

Green

Steady on

The system power supply is normal.

2

SYS

System status indicator

-

Off

The system is not running.

Green

Fast blinking

The system is starting.

Green

Steady on

During the system startup preparation phase, the SYS indicator is steady green, which lasts for a maximum of 30 seconds.

Green

Slow blinking

The system is running normally.

Red

Steady on

The system does not work normally after registration, or a fan alarm or a temperature alarm has been generated.

3

MST

Stack indicator

-

Off

  • If you are not changing the indicator mode (default): The switch is a standby or slave switch in a stack or the stacking function is not enabled on the switch.

  • If you are changing the indicator mode: The stack mode is not selected.

Green

Steady on

The stack mode is selected. The switch is a standby or slave switch in a stack, and the service port indicators show the stack ID of the switch.

Green

Blinking

  • If you are not changing the indicator mode (default): The switch is the master switch in a stack or a standalone switch with the stacking function enabled.

  • If you are changing the indicator mode: The stack mode is selected. The switch is the master switch in a stack or a standalone switch, and the service port indicators show the stack ID of the master switch. After 45 seconds, the service port indicators automatically restore to the status mode.

4

SPEED

Speed indicator

-

Off

The speed mode is not selected.

Green

Steady on

The speed mode is selected, and service port indicators show the speed of each port.

5

PoE

PoE indicator

-

Off

The PoE mode is not selected.

Green

Steady on

The PoE mode is selected, and service port indicators show the PoE status of each port.

6

MODE

Mode switch button

-

-

  • When you press this button once, the service port indicators change to the stack mode and show the stack ID of the local switch.

  • When you press this button a second time, the service port indicators change to the speed mode and show the speed of each service port.

  • When you press this button a third time, the service port indicators change to the PoE mode and show the PoE status of each service port.

  • When you press this button a fourth time, the service port indicators restore to the default mode and show the connection status and link activity of each service port.

If you do not press the MODE button within 45 seconds, the service port indicators restore to the default mode. In this case, the SPEED and PoE indicators are off.

7

-

Service port indicator

Meanings of service port indicators vary in different modes. For details, see Table 4-1137 and Table 4-1138.

8

ID

ID indicator

-

Off

The ID indicator is not used (default state).

Blue

Steady on

The indicator identifies the switch to maintain. The ID indicator can be turned on or off remotely to help field engineers find the switch to maintain.

9

L/A

ETH port indicator

-

Off

The ETH port is not connected.

Green

Steady on

The ETH port is connected.

Green

Blinking

The ETH port is sending or receiving data.

10

USB

USB-based deployment indicator

-

Off

  • No USB flash drive is connected to the switch.

  • The USB port is damaged.

  • The indicator is damaged.

  • The USB flash drive does not have any configuration file and cannot be used for deployment.

  • The switch has been upgraded using the USB flash drive and is restarting.

Green

Steady on

A USB-based deployment has been completed.

Green

Blinking

The system is reading data from a USB flash drive.

Yellow

Steady on

The switch has copied all the required files and completed the file check. The USB flash drive can be removed from the switch.

Red

Blinking

An error has occurred when the system is executing the configuration file or reading data from the USB flash drive.

Table 4-1137 Description of service port indicators in different modes (one indicator for each port)

Display Mode

Color

Status

Description

Default mode

-

Off

The port is not connected or has been shut down.

Green

Steady on

A link has been established on the port.

Green

Blinking

The port is sending or receiving data.

MST stack mode

-

Off

Port indicators do not show the stack ID of the switch.

Green

Steady on

The switch is not the master switch in a stack.

  • If the indicator of a port is steady on, the number of this port is the stack ID of the switch.

  • If the indicators of ports 1 to 9 are steady on, the stack ID of the switch is 0.

Green

Blinking

The switch is the master switch in a stack.

  • If the indicator of a port is blinking, the number of this port is the stack ID of the switch.

  • If the indicators of ports 1 to 9 are blinking, the stack ID of the switch is 0.

Speed mode

-

Off

The port is not connected or has been shut down.

Green

Steady on

10M/100M/1000M port: The port is operating at 10 Mbit/s or 100 Mbit/s.

1000M/10GE port: The port is operating at 1000 Mbit/s.

Green

Blinking

10M/100M/1000M port: The port is operating at 1000 Mbit/s.

1000M port: The port is operating at 1000 Mbit/s.

1000M/10GE port: The port is operating at 10 Gbit/s.

PoE mode

-

Off

The port is not providing power to a powered device (PD).

Green

Steady on

The port is providing power to a PD.

Yellow

Steady on

The PoE function is disabled on the port.

Yellow

Blinking

The port stops providing PoE power because of an exception (for example, an incompatible PD is connected to the port).

Green and yellow

Blinking green and yellow alternately

The port fails to supply power to a PD due to one of the following reasons:

  • The power required by the connected PD exceeds the maximum power or the configured power threshold of the port.

  • The total power consumption of PDs has reached the maximum power of the switch.

  • The manual power management mode is used and the port is not enabled to provide power to the PD.

Table 4-1138 Description of service port indicators in different modes (two indicators for each port)

Display Mode

Color

Status

Description

Default mode

-

Off

The port is not connected or has been shut down.

Green

Steady on

A link has been established on the port.

Yellow

Blinking

The port is sending or receiving data.

Speed mode

-

Off

The port is not connected or has been shut down.

Green

Steady on

1000M/10GE port: The port is operating at 1000 Mbit/s.

Green

Blinking

1000M port: The port is operating at 1000 Mbit/s.

1000M/10GE port: The port is operating at 10 Gbit/s.

Power Supply Configuration

The S5735-L12P4S-A has a built-in power module and does not support pluggable power modules. The built-in power module can provide 360 W PoE power, which ensures full PoE power on 12 ports in compliance with 802.3af or 802.3at.

Heat Dissipation

The S5735-L12P4S-A has two built-in fans for forced air cooling. Air flows in from the left side and front panel, and exhausts from the right side.

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

Technical Specifications

Table 4-1139 lists technical specifications of the S5735-L12P4S-A.

Table 4-1139 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)

85.52 years

Availability

> 0.99999

Service port surge protection

Common mode: ±7 kV

Power supply surge protection

±6 kV in differential mode, ±6 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 220.0 mm (1.72 in. x 17.4 in. x 8.7 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.)

Weight (with packaging)

4.24 kg (9.35 lb)

Stack ports

Any 10/100/1000BASE-T ports or 1000BASE-X ports (applicable in V200R019C10 and later versions)

RTC

Not supported

RPS

Not supported

PoE

Supported

Rated voltage range

  • AC input: 100 V AC to 240 V AC, 50/60 Hz

  • High-Voltage DC input: 240 V DC

Maximum voltage range

  • AC input: 90 V AC to 290 V AC, 45 Hz to 65 Hz

  • High-Voltage DC input: 190 V DC to 290 V DC

Maximum power consumption (100% throughput, full speed of fans)

  • Not providing the PoE function: 49 W

  • 100% PoE loads: 441 W (PoE: 360 W)

Typical power consumption (30% of traffic load)

  • Tested according to ATIS standard

  • EEE enabled

  • No PoE power consumption

38 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 50°C (122°F) consecutively for at most 96 hours in one year.

  • The equipment operates at a temperature of over 50°C (122°F) for a total of no more than 360 hours in one year.

  • The equipment operates at a temperature of over 50°C (122°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)

< 57.7 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

98010922


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