How H3C switches differentiate between models

H3C S5500-28c-ei

H3C: Manufacturer Brand

s represents the switch, if the SR represents the business router

The first 5 represents the gigabit switch, if 3 represents the gigabit uplink, the hundred trillion downlink. If 7 represents a high-end box switch. 9 represents the core box-type switch

The second 5 represents a three-tier exchange or a two layer, greater than or equal to 5 is a routing switch, and less than 5 is a two-tier switch

00 is to distinguish the same category of multiple series, in high-end products to represent the number of business slots (such as: S9505 after the 5 represents 5 slots)

28 indicates the number of available ports

Upstream interface type: C means the uplink through the expansion slot, p represents the Gigabit SFP light Port Uplink, F represents the Gigabit optical port uplink, T represents the gigabit electric port uplink, and the TP representative can be an electric port or an SFP port uplink

EI represents enhanced switches, SI-standard switches

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