The Huawei S1720 28GWR PWR 4X AC is a managed switch that offers a range of features and capabilities for businesses and organizations. Here's a breakdown of the key parameters mentioned:

1. 24 10/100/1000BASE T ports: This refers to the number of Ethernet ports on the switch that support three different speeds   10 Mbps (Ethernet), 100 Mbps (Fast Ethernet), and 1000 Mbps (Gigabit Ethernet). The "T" stands for twisted pair, which is a type of cable used for Ethernet connections.

2. 4 10GE SFP+ ports: These are four 10 Gigabit Ethernet (10GE) ports that use SFP+ (Small Form factor Pluggable Plus) modules. SFP+ is a compact, hot pluggable transceiver used for both telecommunication and data communications applications. These ports allow for high speed data transmission and are often used for connecting to other switches, servers, or high speed network devices.

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 not modular or interchangeable, meaning it's built into the device and cannot be replaced with a different type of power supply.

4. PoE+: This stands for Power over Ethernet Plus. It's an extension of the Power over Ethernet (PoE) standard, which allows network cables to carry both data and electrical power to devices such as wireless access points, IP cameras, and VoIP phones. PoE+ provides more power than the standard PoE, typically up to 30 watts, which enables it to power more types of devices.

5. AC: This stands for Access Control, which is a security technique used to regulate who or what can view or use resources in a computing environment, as well as some of the parameters around their use. In the context of a switch, this could refer to various security features that control access to the switch's functions and ports.

In summary, the Huawei S1720 28GWR PWR 4X AC is a versatile managed switch with a mix of high speed Ethernet ports and 10GE SFP+ ports, powered by a fixed AC power supply, and supporting advanced features like PoE+ for powering network devices.

Huawei FutureMatrix S1730S-S8P4S-QA2 switch supports 8 PoE+ 10/100/1000BASE-T ports, 4 1000BASE-X GE SFP ports, fixed AC power：