The "CE6885 LL 56F" switch is a high performance network switch designed for data center and enterprise applications. Here's a breakdown of the parameters mentioned:

1. 48 * 25GE SFP28: This indicates that the switch has 48 ports that support 25 Gigabit Ethernet (25GE) connections using SFP28 (Small Form factor Pluggable 28) modules. SFP28 is a compact, hot pluggable transceiver used for both telecommunication and data communications applications.

2. 8 * 100GE QSFP28: The switch also features 8 ports that support 100 Gigabit Ethernet (100GE) connections using QSFP28 (Quad Small Form factor Pluggable 28) modules. QSFP28 is a high density module that can support up to four 25GE channels, making it suitable for high speed data transmission.

3. 2 * AC power supply: The switch has dual AC power supply units, which means it can be powered by two separate AC power sources. This redundancy can provide increased reliability and availability, as the switch can continue to operate if one power source fails.

4. 5 * fan box: The switch is equipped with five fan boxes, which are likely to be part of the cooling system. These fan boxes help to dissipate heat generated by the switch's components, ensuring that the device operates within safe temperature ranges.

5. Port side air inlet: This refers to the design of the switch's airflow, where the air is drawn in from the side of the switch, typically through vents or grilles near the ports. This design helps to ensure efficient cooling by directing cool air towards the hottest components of the switch.

In summary, the CE6885 LL 56F switch is a high capacity networking device with a robust design that includes multiple high speed Ethernet ports, dual power supplies for redundancy, and an efficient cooling system. It is well suited for environments that require high bandwidth and reliability, such as large data centers or enterprise networks.

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