The Huawei S6750-H48Y8C is a high-performance network switch designed with 48 * 10GE electric ports and 8 * 100GE QSFP28 ports, featuring AC power supplies and efficient cooling. Tailored for enterprise networks and data centers, it delivers robust connectivity, high-speed data processing, and flexible integration for critical IT infrastructure needs.
Specification of S6750-H48Y8C
Ports
48*25GE SFP28 ports, 8*100GE QSFP28 ports, without power module
Dimensions without packaging (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 16.54 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 446.5 mm (1.72 in. x 17.4 in. x 17.58 in.)
Dimensions with packaging (H x W x D)
185.0 mm x 650.0 mm x 550.0 mm (7.28 in. x 25.59 in. x 21.65 in.)
Chassis height
1 U
Chassis material
Metal
Weight without packaging
6.96 kg (15.34 lb)
Weight with packaging
11.23 kg (24.76 lb)
Typical power consumption
30% traffic under the ATIS standard and dual power modules: 223 W
Typical heat dissipation
30% traffic under the ATIS standard and dual power modules: 760.90
Maximum power consumption
100% traffic under the ATIS standard and dual power modules: 244 W
High temperature 45°C (113°F), 100% traffic, and dual power modules: 342 W
Maximum heat dissipation
100% traffic under the ATIS standard and dual power modules: 832.55
High temperature 45°C (113°F), 100% traffic, and dual power modules: 1166.94
Static power consumption
172 W
MTBF
35.18 years
Availability
> 0.99999
Noise at normal temperature (acoustic power)
58.4 dB(A)
Noise at normal temperature (acoustic pressure)
57.2 dB(A)
Number of card slots
0
Number of power slots
2
Number of fans modules
5
Redundant power supply
1+1
Pluggable AC and DC power modules can be used together in the same switch.
Long-term operating temperature
–5°C to +45°C (23°F to 113°F) at an altitude of 0 to 1800 m (0 to 5905.44 ft.)
Restriction on the operating temperature variation rate
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.).
Devices cannot start when the temperature is lower than 0°C (32°F).
When the QSFP-100G-ER4 optical module is used, the operating temperature ranges from -5°C to +40°C (23°F to 104°F).
Storage temperature
–40°C to +70°C (–40°F to +158°F)
Long-term operating relative humidity
5% RH to 95% RH (non-condensing)
Long-term operating altitude
0–5000 m (0–16404 ft.)
Storage altitude
0-5000 m (0-16404 ft.)
Power supply mode
Pluggable power supply
Rated input voltage
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
Input voltage range
AC input: 90 V AC to 290 V AC; 45–65 Hz
High-voltage DC input: 190 V DC to 290 V DC
DC input: -38.4 V DC to -72 V DC
Maximum input current
The current specifications are related to the pluggable power module. For details, see Pluggable Power Modules.
Memory
8 GB
Flash memory
Physical space: 4 GB
Console port
RJ45
Eth Management port
RJ45
USB
Supported
RTC
Supported
RPS input
Not supported
Service port surge protection
-
Power supply surge protection
Configured with AC power modules: ±6 kV in differential mode and ±6 kV in common mode
Configured with DC power modules: ±2 kV in differential mode and ±4 kV in common mode
Ingress protection level (dustproof/waterproof)
IP20
Types of fans
Pluggable
Heat dissipation mode
Air cooling for heat dissipation, intelligent fan speed adjustment
Airflow direction
Air intake from front, air exhaustion from rear (front-to-rear)
PoE
Not supported
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.