How to distinguish whether S and E series fixed switches are 100M or GE switches

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The S600 provides GE downlink interfaces and GE or 10GE uplink interfaces.
The S1720-GFR provides GE downlink and uplink interfaces.
The S1720-GW, S1720-GWR, S1720-GW-E, and S1720-GWR-E provide GE downlink interfaces and GE or 10GE uplink interfaces.
The S2700 and S3700 provide 100M downlink interfaces and GE uplink interfaces.
The S5700 provides GE downlink interfaces, and some models provide 10GE uplink interfaces.
The S6700 provides 10GE interfaces, and the S6720EI and S6720S-EI provide 40GE uplink interfaces.

Other related questions:
Difference between CSS and stack on S series switches
For S series switches, both stack and cluster indicate that combine multiple switches are virtualized into a logical switch. In V200R001C00 and earlier versions, there is only one name called stack in Chinese. In later versions, fixed switches use stack and modular switches use the cluster. Each cluster allows only two member devices, whereas a stack can contain a maximum of nine member devices.

Whether cards of S series fixed switches support copper modules
The following cards of S series fixed switches support GE copper modules: - ES5D000G4S01 cards (Applicable to S5700-EI series switches. After a GE copper module is installed, the link can go Up. However, you cannot run corresponding commands to configure the rate, duplex mode, auto-negotiation, MDI, flow control, and virtual cable test on the link.) - ES5D00G4SA01 cards (Applicable to S5700-SI and S5710-LI series switches. After a GE copper module is installed, the link can go Up. However, you cannot run corresponding commands to configure the rate, duplex mode, auto-negotiation, MDI, flow control, and virtual cable test on the link.) - ES5D00G4SC00 cards (Applicable to S5700-HI series switches. After a GE copper module is installed, the link can go Up. However, you cannot run corresponding commands to configure the rate, duplex mode, auto-negotiation, MDI, flow control, and virtual cable test on the link.) - ES5D000X2S00 and ES5D000X4S01 cards (Supported by V200R002C00 and later versions, and applicable to S5700-SI series switches.) - ES5D00X2SA00 and ES5D00X4SA00 cards (Supported by V200R002C00 and later versions, and applicable to S5700-HI series switches.) - ES5D21X02S00 cards (Supported by V200R002C00 and later versions, and applicable to S5700-EI series switches.) You can use Hardware Query Tool to query the module types supported by specified cards.

Whether the configuration of an S series fixed switch changes after the switch joins a stack
After two S series fixed switches set up a stack, they function as one switch on a network, and the configuration of each switch will change. For example: 1. The port number changes according to the stack ID. 2. The stack uses the configuration and MAC address of the master switch. The configuration on the standby switch does not take effect. 3. You need to determine whether to change the management IP address of the stack as required.

Whether S1700 switches are GE switches
If you understand the naming rules of the S1700, you can determine whether an S1700 switch is a GE switch or not based on its model.

Advantages of stacks of S series fixed switches
Stacking technology provides high network reliability and forwarding performance while simplifying network management. It has the following advantages: 1. High reliability: Member switches in a stack work in redundancy mode. Link redundancy can also be implemented between member switches through inter-device link aggregation. 2. High scalability: You can increase ports, bandwidth, and processing capacity of a stack by simply adding member switches to the stack. Member switches can join or leave the stack without affecting other member switches. New switches automatically synchronize the configuration file and system software version with the master switch. 3. Simpler configuration and management: You can log in to a stack from any member switch to manage and configure all the member switches in the stack. In addition, complicated Layer 2 ring protection protocols or Layer 3 protection switching protocols are not required after switches set up a stack; therefore, the network configuration is much simpler.

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