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 S5731S-H48T4XC-A is a high-end, high-performance enhanced 10 Gigabit switch in the Huawei S5731S series. Its core advantage is "high-density, high-reliability enhanced networking for medium and large-scale mission-critical applications"—48 Gigabit Ethernet ports adapt to 4000-8000 terminals, 4 10 Gigabit optical ports support high-speed uplink, with a total switching capacity of ≥1.02Tbps and a forwarding performance of 480Mpps. It is equipped with a new generation of high-end forwarding chips and ≥10MB of enhanced cache, strengthening advanced functions such as dual-link redundancy, intelligent fault self-healing, and traffic priority scheduling. It has a built-in 9KV surge protection + dual hardware redundancy design, with an annual failure rate of <0.01%, making it the high-end first choice for mission-critical scenarios such as finance, manufacturing, and large offices that "balance high performance, high reliability, and scalability".
S5731S-H48T4XC-A FAQ
Q1: What are the core differences between this and the advanced version S5731S-H48T4S-A in the same series?
A1: The former is an enhanced model, featuring a new generation of high-end chips, larger cache, and dual hardware redundancy. It boasts stronger fault self-healing and congestion resistance capabilities, making it suitable for mission-critical applications. The latter focuses on basic advanced functions, suitable for general medium-to-large-scale scenarios, and offers better cost-effectiveness.
Q2: Will there be lag when 48 ports are simultaneously connected to high-concurrency critical devices (such as database servers and high-frequency trading terminals)?
A2: No. With a total switching capacity ≥1.02Tbps and forwarding performance reaching 480Mpps, coupled with a 10MB enhanced cache and intelligent traffic scheduling, it can easily handle 8000 concurrent terminal transmissions without lag or packet loss.
Q3: What is the necessity for medium-to-large-scale enterprises to choose an enhanced switch for mission-critical applications?
A3: Enhanced hardware reduces core business interruption losses (hourly interruption losses can reach tens of thousands of yuan), larger cache adapts to future business growth, dual redundancy design reduces operational risks, and its long-term comprehensive value far exceeds that of ordinary high-end models.
S5731S-H48T4XC-A 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, 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 copper cables (used for zero-configuration stacking)
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
Rear card slot
NOTE:
Applicable card:
ES5D21X08T00
ES5D21Q02Q00
S7X08000 (02312URW) (applicable in V200R019C10 and later versions)
S7X08000 (02312URW-002) (applicable in V200R021C10SPC600 and later versions)
S7Q02001 (02313UBW) (applicable in V200R021C01 and later versions)
S7Q02001 (02313UBW-002) (applicable in V200R021C10SPC600 and later versions)
9
Fan module slot 1
NOTE:
Applicable fan module: FAN-023A-B (Fan Box (B, Fan Panel Side Exhaust))
10
Fan module slot 2
NOTE:
Applicable fan module: FAN-023A-B (Fan Box (B, Fan Panel Side Exhaust))
11
Power module slot 1
NOTE:
Applicable power module:
PAC600S12-CB (600 W AC&240 V DC Power Module)
PAC600S12-EB (600 W AC&240 V DC Power Module)
PAC600S12-DB (600 W AC&240 V DC Power Module) (applicable in V200R020C10 and later versions)
PDC1000S12-DB (1000 W DC Power Module)
PAC150S12-R (150 W AC Power Module)
PDC180S12-CR (180 W DC Power Module) (applicable in V200R020C00 and later versions)
12
Power module slot 2
NOTE:
Applicable power module:
PAC600S12-CB (600 W AC&240 V DC Power Module)
PAC600S12-EB (600 W AC&240 V DC Power Module)
PAC600S12-DB (600 W AC&240 V DC Power Module) (applicable in V200R020C10 and later versions)
PDC1000S12-DB (1000 W DC Power Module)
PAC150S12-R (150 W AC Power Module)
PDC180S12-CR (180 W DC Power Module) (applicable in V200R020C00 and later versions)
S5731S-H48T4XC-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
10GE SFP+ optical 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
Technical specifications of the S5731S-H48T4XC-A
Item
Description
Memory (RAM)
4 GB
Flash
1 GB in total. To view the available flash memory size, run the display version command.
Mean time between failures (MTBF)
55.31 years
Availability
> 0.99999
Service port surge protection
Common mode: ±6 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 448.0 mm (1.72 in. x 17.4 in. x 17.7 in.)
Weight (with packaging)
9.5 kg (20.94 lb)
Stack ports
10GE SFP+ ports on the front panel, or ports on the rear card
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 290 V AC, 45 Hz to 65 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)
124 W (without card)
Typical power consumption (30% of traffic load, tested according to ATIS standard)
101 W (without card)
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).
Storage temperature
-40°C to +70°C (-40°F to +158°F)
Noise under normal temperature (27°C, sound power)
< 57.5 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
02352YRF
02352YRF-003
02352YRF-005
Optical Modules Supported by Huawei S Series Switches