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 Huawei S5735S-L12T4S-A is a high-performance, compact 10 Gigabit switch in the Huawei S5735S series. Its core advantage is "lightweight and efficient networking for small scenarios"—12 Gigabit Ethernet ports adapt to 600-1200 terminals, and 4 10 Gigabit fiber ports support high-speed uplink, with the number of ports precisely matched to small scenarios and no idle ports; its compact size (approximately 20×15×4cm) makes it suitable for weak current boxes/small computer rooms; its total switching capacity is ≥598Gbps, and its forwarding performance reaches 96Mpps. It supports basic full functions such as ACL and QoS, making it a core choice for small businesses and branch offices that "balances cost, space, and practicality".
S5735S-L12T4S-A FAQ
Q1: What is the core difference between this switch and the 24-port S5735S-L24T4S-A in the same series?
A1: The former is a compact 12-port model (focused on space saving and low cost in small scenarios, with precise port selection), while the latter is a balanced 24-port model (focused on multi-device access in medium-sized scenarios). For small scenarios with fewer than 1200 terminals and limited space, the former is the preferred choice.
Q2: Is this switch compatible with existing non-Huawei core equipment (such as Cisco, H3C) and older 100Mbps devices?
A2: It is fully compatible with standard Ethernet protocols and 10/100/1000M adaptive speeds, allowing seamless integration with devices from different brands. Older devices do not require additional converters.
Q3: Will simultaneous access to all 12 Ethernet ports cause bandwidth congestion?
A3: No, the total switching capacity is ≥598Gbps, forwarding performance reaches 96Mpps, supports 10GbE link aggregation, and single-link bandwidth can be expanded to 40GbE, meeting the needs of high-density concurrent transmission of terminals in small scenarios.
S5735S-L12T4S-A Appearance
1
Twelve 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, a maximum transmission distance of 0.4 km, 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.
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S5735S-L12T4S-A Port Description
10/100/1000BASE-T 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
Attribute
Description
Connector type
LC/PC
Optical port attributes
Depend on the module used
Standards compliance
IEEE802.3z
Technical specifications of the S5735S-L12T4S-A
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)
98.6 years
Mean time to repair (MTTR)
2 hours
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)
3.83 kg (8.44 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
Not 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 264 V AC, 47 Hz to 63 Hz
High-Voltage DC input: 190 V DC to 290 V DC
Maximum power consumption (100% throughput)
29 W
Typical power consumption (30% of traffic load)
Tested according to ATIS standard
EEE enabled
No PoE power consumption
23 W
Operating temperature
-5°C to +45°C (23°F to 113°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).
The operating temperature of the switch is -5°C to +40°C (23°F to 104°F) when it uses GE SFP optical modules with 40 km or longer transmission distance.
When SFP+ copper cables or dedicated stack cables are used to set up a stack, the switch can operate in the following temperature range:
-5°C to +45°C (23°F to 113°F) (installed in the ventilation cabinet, with the wind speed of at least 40 LFM)
When SFP+ AOC cables or 10GE SFP+ optical modules are used to set up a stack, the switch can operate in the following temperature range:
-5°C to +45°C (23°F to 113°F) (installed in the ventilation cabinet shipped with fans with a fan speed of at least 200 LFM)
Storage temperature
-40°C to +70°C (-40°F to +158°F)
Noise under normal temperature (27°C, sound power)
Noise-free (no fans)
Relative humidity
5% to 95%, noncondensing
Operating altitude
0-5000 m (0-16404 ft.)
Certification
EMC certification
Safety certification
Manufacturing certification
Part number
98010919
Optical Modules Supported by Huawei S Series Switches