Are the subcards of S5700SI and S5700EI hot swappable

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Subcards of S5700-SI and S5700-EI are not hot swappable. Subcards of S5700-HI, S5710-EI, S5720-EI, S5710-HI, and S5720-HI are hot swappable.

Other related questions:
Are the cards of S5700 hot swappable
Interface cards on the S5700 series except for the S5700EI and S5700SI are hot swappable.

Do subcards of the S5700SI and S5700EI support 10GE ports
The S5700SI and S5700EI switches use front subcards to provide 10GE ports. The ES5D000X2S00 and ES5D000X4S01 front subcards provide 10GE ports on the S5700SI and S5700EI switches. They use SFP+ optical modules. The S5700SI and S5700EI switches support the ES5D000X2S00 and ES5D000X4S01 front subcards since V100R005. An ES5D000X2S00 front subcard can be used without a rear subcard or together with a rear subcard supported by the switches. When an ES5D000X4S01 front subcard is used together with an ES5D00ETPB00 extended rear subcard of which the PCB version is VER.C, all the four ports on the ES5D000X4S01 front subcard can be used. If an ES5D000X4S01 front subcard is used without an ES5D00ETPB00 extended rear subcard or used together with a stack rear subcard, only the first and third ports on the front subcard can be used. The two ports are displayed as XGigabitEthernet */1/1 and XGigabitEthernet */1/2 in command lines. NOTE: * indicates the slot ID of the switch.

Can 4*GE and 4*10GE front subcards of the S5700EI and S5700SI switches be used without an extended rear subcard
When a 4*GE or 4*10GE front subcard is used without an extended rear subcard, only two of the four ports on the subcard can be used: 4*GE subcard: Only the first and second ports can be initialized. The ports are displayed as GigabitEthernet */1/1 and GigabitEthernet */1/2 after initialization. 4*10GE subcard: Only the first and third ports can be initialized. The ports are displayed as XGigabitEthernet */1/1 and XGigabitEthernet */1/2 after initialization. NOTE: * indicates the slot ID of the switch.

Are the main control boards and LPUs hot swappable
All the main control boards and LPUs of the S7700&S9700 are hot swappable. In addition, the fans and power supplies are hot swappable. The ES0D00FSUA00, ES02VSTSA, and EH1D2VS08000 are not hot swappable. NOTE: Before removing the master main control board, perform an active/standby switchover. For details, see the description of main control board replacement in Hardware Installation and Maintenance Guide.

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