Can GE optical modules be used on 10GE ports of CE series switches

10GE optical interface cards of the CE series switches support GE optical and copper modules. A GE optical module can only work at 1000 Mbit/s on a 10GE optical port.
When a GE copper module is installed on a 10GE optical interface, the interface works as follows:
- In V100R001C00, the interface cannot connect to a 10M/100M interface.
- In V100R002C00 and later versions,?Interfaces 24-35 on the CE-L48XS-FDA/CE-L48XS-FD card cannot be connected to 10M/100M interfaces. Under other circumstances, 10GE optical interfaces can be connected to 10M/100M interfaces.
- On the CE8860EI, CE6860EI, and CE5810EI, such an interface can only connect to a 1000M interface.
- On the CE6880-24S4Q2CQ-EI, such an interface can only connect to a 100M/1000M interface.
- On the CE6880-48S4Q2CQ-EI, interfaces 1 to 12 can connect to 10M/100M/1000M interfaces, whereas interfaces 13 to 48 can only connect to 100M/1000M interfaces.
- On other switch models, such an interface can only connect to a 10M/100M interface.

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