The S series fixed Ethernet switches integrate the access and transmission functions to provide reliable access/aggregation and high-quality transmission of services on enterprise networks. The switches are built on an integrated hardware platform, and their hardware system consists of the chassis, power module, fan module, extended cards, and Switch Control Unit (SCU).
The S series fixed Ethernet switches are available in a variety of models for you to choose based on your network requirements.
CloudEngine S5731-S series switches are next-generation standard gigabit switches that provide GE electrical downlink ports and 10GE uplink ports. The CloudEngine S5731-S series switches were developed based on next-generation high-performing hardware and the Huawei Versatile Routing Platform (VRP). The CloudEngine S5731-S supports simplified operations and maintenance (O&M), intelligent stack (iStack), flexible Ethernet networking. It also provides enhanced Layer 3 features and mature IPv6 features. The CloudEngine S5731-S can be used in various scenarios. For example, it can be used as an access or aggregation switch on a campus network or as an access switch for Metropolitan Area Network.
The Huawei S5731S-S48S4X-A1 is a high-performance, cost-effective enterprise-grade switch in the Huawei S5731S series. Its core advantage lies in its 'enterprise-grade access layer hybrid interface networking'—48 Gigabit Ethernet ports meet terminal access needs, while 4 10 Gigabit fiber ports support uplink to the core, allowing a single device to cover 500-2000 terminals. It supports IEEE 802.3az energy-saving technology, with annual power consumption 30% lower than ordinary switches. Built-in link aggregation and VLAN isolation functions ensure stable data transmission for enterprises, making it a core choice for SMEs seeking 'low-cost Gigabit access + 10 Gigabit uplink, balancing performance and budget'.
S5731S-S48S4X-A1 FAQ
Q1: Does the Huawei S5731S-S48S4X-A1 support PoE power supply?
A1: This model does not have built-in PoE functionality. If you need to power APs/IP phones, you can choose the S5731S-P48S4X-A1 (48 PoE ports + 4 10 Gigabit optical ports) from the same series; or use it with a Huawei PoE injector to flexibly adapt to different power supply needs.
Q2: Can this switch meet the expansion needs of small and medium-sized enterprises for the next 3 years?
A2: Yes, it does. The 4 10 Gigabit optical ports reserve uplink bandwidth expansion space. When the number of terminals increases from 2000 to 3000, only one new switch needs to be added and cascaded through the 10 Gigabit optical ports. No existing equipment needs to be replaced, achieving 100% hardware reuse.
Q3: Can existing non-Huawei equipment (such as Cisco switches) be networked with it?
A3: Fully compatible, supports standard Ethernet protocols (IEEE 802.3 series), and can seamlessly interface with core switches and terminals from other brands without the need to rebuild the existing network, reducing upgrade costs.
S5731S-S48S4X-A1 Appearance
1
Forty-eight 100/1000BASE-X ports
NOTE:
In V200R023C00 and later versions, ports numbered from GE5 to GE48 can be configured to work at 2.5 Gbit/s using the port mode 2.5ge command.
2
Four 10GE SFP+ ports
3
One console port
4
One ETH management port
5
AC socket
NOTE:
It is used with an AC power cable.
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.
-
-
S5731S-S48S4X-A1 Port Description
Port
Connector Type
Description
Available Components
100/1000BASE-X port
SFP
A 100/1000BASE-X port can send and receive data at 100 Mbit/s, 1000 Mbit/s, or 2.5 Gbit/s.
In V200R023C00 and later versions, ports numbered from GE5 to GE48 can be configured to work at 2.5 Gbit/s using the port mode 2.5ge command.
FE SFP/eSFP optical modules
GE eSFP optical modules
GE-CWDM eSFP optical modules
GE-DWDM eSFP optical modules
GE SFP copper module
2.5GE eSFP Optical Modules (supported in V200R023C00 and later versions)
10GE SFP+ optical port
SFP+
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
1 m, 3 m, 5 m, and 10 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 port
RJ45
The console port is connected to a console for on-site configuration.
Console cable
ETH management port
RJ45
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.
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.
Ethernet cable
Technical specifications of theS5731S-S48S4X-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 442.0 mm x 220.0 mm (1.72 in. x 17.40 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 17.40 in. x 8.94 in.)
Dimensions with packaging (H x W x D) [mm(in.)]
90.0 mm x 550.0 mm x 355.0 mm (3.54 in. x 21.65 in. x 13.98 in.)
Chassis height [U]
1 U
Chassis material
Metal
Weight without packaging [kg(lb)]
3.49 kg (7.69 lb)
Weight with packaging [kg(lb)]
4.85 kg (10.69 lb)
Typical power consumption [W]
87.89 W
Typical heat dissipation [BTU/hour]
299.89 BTU/hour
Maximum power consumption [W]
121.04 W
Maximum heat dissipation [BTU/hour]
413.00 BTU/hour
Static power consumption [W]
47.28 W
MTBF [years]
31.39 years
Availability
> 0.99999
Noise at normal temperature (acoustic power) [dB(A)]
41.42 dB(A)
Noise at normal temperature (acoustic pressure) [dB(A)]
27.74 dB(A)
Number of card slots
0
Number of power slots
0
Number of fans modules
2
Redundant power supply
Not supported
Long-term operating temperature [°C(°F)]
-5°C to +45°C (23°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)
Short-term operating temperature [°C(°F)]
-5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906 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.).
The device can work for a short period of time when the operating temperature is beyond the normal range, but the following conditions must be met:
The operating temperature exceeds 45°C (113°F) for a maximum of 96 consecutive hours in a year.
The total time when the operating temperature exceeds 45°C (113°F) in a year is less than or equal to 360 hours.
The number of times the operating temperature exceeds 45°C (113°F) is less than or equal to 15 in one year.
If any of the preceding conditions is not met, the device may be damaged or an unknown error may occur.
Devices cannot start when the temperature is lower than 0°C (32°F). The maximum transmission distance of an optical module used for short-term operation cannot exceed 10 km.
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, 47 Hz to 63 Hz
Maximum input current [A]
3 A
Memory
2 GB
Flash memory
The physical space is 1 GB. You can run the display version command to view the actual available space.
Console port
RJ45
Eth Management port
RJ45
USB
Not supported
RTC
Supported
RPS input
Not supported
Service port surge protection [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 certification
Safety certification
Manufacturing certification
Optical Modules Supported by Huawei S Series Switches