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Huawei S7700 Series Switches ES1D2MCUD000 - S7703 / S7703 PoE Main Control Unit D
Switch chassis and software versions matching the card
| Card Name | S7700 Chassis |
|---|---|
| ES1D2MCUD000 | S7703 chassis: supported in V200R013C00SPC500, V200R013C01, and later versions S7703 PoE chassis: supported in V200R013C00SPC500 and later versions S7706, S7706 PoE, and S7712 chassis: not supported |
The ES1D2MCUD000 can be installed in slots 04 and 05 in an S7703 or S7703 PoE chassis.
The ES1D2MCUD000 is the main control unit of the S7703/S7703 PoE. It integrates the control unit and system maintenance unit, and provides the following functions:
| Function | Description |
|---|---|
| Basic function | Integrates the main control unit and system maintenance unit. |
| Memory | 2 GB |
| Flash | Nand flash: 2 GB |
| Redundancy backup | Supported Main control board is mandatory for switches. Each switch must be configured with one or two main control boards. When one main control board is configured for a switch, the main control board can be installed in either main control board slot of the switch. When two main control boards are configured, the two main control boards work in hot standby mode to improve reliability of the switch. The active and standby main control boards monitor the status of each other. If the active main control board fails, the standby main control board automatically becomes active to ensure uninterrupted services. |
| Hot swapping | Supported Before removing the active ES1D2MCUD000 card, perform an active/standby switchover. |
