Can CE switches use GE optical modules to set up a stack

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GE optical modules cannot be used to set up a stack.

Other related questions:
Which cables can be used to set up a stack of CE series switches
Common Ethernet cables can be used to set up a stack of CE series switches, and no dedicated stack cable is required. Optical ports are connected using high-speed cables or optical modules and optical fibers, and electrical ports are connected using Category 6, Category 6A, or Category 7 cables.

Can GE ports on a CE switch be used to set up a stack
The GE ports on CE series switches cannot be used to set up a stack. 10GE ports with GE optical modules installed also cannot be used to set up a stack.

Can 10GE optical ports on CE switches be used to set up a stack
The 10GE optical ports on CE switches can be used to set up a stack.

Can CE series switches use stack cards to set up a stack
CE series switches cannot use stack cards to set up a stack.

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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