The Huawei S1720 52GFR 4P AC is a managed switch that offers a range of features and capabilities for enterprise and service provider networks. Here is a breakdown of the key parameters mentioned in the product description:

1. 48 10/100/1000BASE T ports: This refers to the number of Ethernet ports on the switch that support three different speeds:

  10BASE T: 10 Mbps (Megabits per second) using twisted pair copper cabling.

  100BASE T: 100 Mbps using twisted pair copper cabling.

  1000BASE T: 1 Gbps (Gigabit per second) using twisted pair copper cabling.

These ports are commonly used for connecting devices such as computers, servers, printers, and other network equipment.

2. 4 GE SFP ports: GE stands for Gigabit Ethernet, and SFP stands for Small Form factor Pluggable. These are high speed ports that use SFP (or SFP+ in some cases) modules to connect with fiber optic cables or other types of media. The "4" indicates that there are four of these ports on the switch, allowing for flexible connectivity options, such as long distance links or connections to other switches or routers.

3. Fixed AC power: This indicates that the switch is designed to be powered by an alternating current (AC) power source. The term "fixed" suggests that the power supply is built into the device and not removable or interchangeable. This is in contrast to some switches that might have removable power supplies or support both AC and DC power options.

4. AC: This is an abbreviation for "Alternating Current," which is the type of electrical power commonly used in homes and businesses. It refers to the fact that the switch is designed to operate on AC power, which is supplied from the wall outlets in most countries.

The Huawei S1720 52GFR 4P AC switch is designed to provide high performance, reliable, and scalable connectivity for various network environments. Its combination of high speed copper ports and flexible fiber optic ports makes it suitable for a wide range of applications, from small to medium sized businesses to more complex enterprise networks.

Huawei S1720-52GFR-PWR-4P-AC switch supports 48 10/100/1000BASE-T ports, 4 GE SFP ports, PoE+, fixed AC power：