Based on the next-generation high-performance hardware and Huawei's unified software platform, the CloudEngine S5735-L8T4X-QA-V2 series switches feature flexible Ethernet networking, various security control methods, and easy O&M. These switches support multiple Layer 3 routing protocols, provide higher performance, and offer more service processing capabilities.
The whole series of CloudEngine S5735-L8T4X-QA-V2 switches are noise-free and energy-saving thanks to their fanless design, making them ideal for various industries, such as healthcare, retail, mining, and Internet.
Specification of S5735-L8T4X-QA-V2
Ports
8 x 10/100/1000Base-T ports, 4 x 10GE SFP+ ports
Dimensions (H x W x D)
43.6 mm x 250 mm x 180 mm
Chassis height
1 U
Chassis weight (including packaging)
2.21 kg
Console port (RJ45)
Supported
USB Port
NA
CPU Frequency
1.1 GHz
CPU Core
2
Memory (DRAM)
2 GB
IP level
IP20
Power supply type
Built-in AC power supply
Rated voltage range
100V AC to 240V AC, 50/60 Hz
Maximum voltage range
AC input: 90V AC to 290V AC, 45 Hz to 65 Hz
Maximum input current
0.8 A
Maximum power consumption of the device
16.97 W
Power consumption in the case of 30% traffic load
16.2 W
Power consumption in the case of 100% traffic load
16.54 W
Power consumption in the case of 0% traffic load
10.05 W
Heat dissipation mode
Natural heat dissipation
Number of fan modules
0
Airflow
Air intake from left and front, air exhaustion from right
Maximum heat dissipation of the device
57.73
Long-term operating temperature
0-1800m altitude: -5°C to +50°C
1800-5000m altitude: The operating temperature reduces by 1ºC every time the altitude increases by 220 m.
Short-term operating temperature
NA
Storage temperature
-40°C to +70°C
Relative humidity
5%-95%(non-condensing)
Operating altitude
5000 m
Noise under normal temperature (sound power)
fanless, noise-free, <30dB (A)
Noise under high temperature (sound power)
fanless, noise-free, <30dB (A)
Noise under normal temperature (sound pressure)
fanless, noise-free, <20dB (A)
Surge protection specification (power port)
Differential mode: ± 6 kV
Common mode: ± 6 kV
MTBF
76.15
MTTR
2
Availability
> 0.99999
Certification
EMC certification
Safety certification
Manufacturing certification
What is a Switch? A switch is a device that enables communication between two or more IT devices, such as computers, servers, printers, and more. It helps devices within a network share resources, including printers, file storage, internet access, and application processing. In simple terms, a switch acts as a "traffic hub" in a network.
Key Characteristics:
Intelligent Forwarding: Unlike a basic hub, a switch intelligently directs data packets only to the intended recipient device based on MAC addresses.
Efficient Communication: This targeted data transmission reduces unnecessary traffic, enhances network performance, and improves security within the local network.
Scalability: Switches come in various sizes, from small desktop models for home/office use to large modular switches for enterprise data centers.
Common Applications:
Connecting devices within a Local Area Network (LAN)
Building enterprise networks, data centers, or home networks
Supporting resource sharing and collaborative workflows
In summary, a switch is a fundamental networking device that efficiently manages and directs data flow, ensuring smooth and reliable communication between connected devices.
Core Functions of a Switch The primary functions of a switch include:
VLAN Segmentation – Enhances network security by isolating traffic into separate virtual networks.
Targeted Forwarding – Improves network performance by accurately identifying and forwarding data only to the intended destination device.
Traffic Control – Optimizes network reliability and stability through mechanisms like Quality of Service (QoS) and loop prevention (e.g., Spanning Tree Protocol).
Link Aggregation – Increases bandwidth and provides redundancy by combining multiple physical links into a single logical channel.
Working Principle of a Switch A switch operates at either the Data Link Layer (Layer 2) or the Network Layer (Layer 3) of the OSI model:
Layer 2 Switch: Forwards data based on MAC addresses.
Layer 3 Switch: Forwards data based on IP addresses.
A switch continuously learns the MAC addresses of connected devices and records them in its MAC address table. The core processes include:
Learning: Records the source MAC address and its corresponding port.
Forwarding: Precisely forwards frames to the destination port based on the target MAC address.
Flooding: If the target MAC address is not found in the table, the switch broadcasts the frame to all ports (except the source port).
Update: Periodically refreshes the MAC address table to ensure accuracy and remove stale entries.