Do ports on a CE-L24XS-EC card support GE optical modules

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Yes. Ports on a CE-L24XS-EC card support GE optical modules. A CE-L24XS-EC card provides packet processing and traffic management on twenty-four 10GE optical ports.

- When the 10GE ports work in 10GE mode, they support SFP+ 10GBASE-SR/LR/ER/ZR/LRM/USR optical modules, and can work with 10GE Twinax copper cables or AOC cables.
- When the 10GE ports work in GE mode, they support SFP 1000BASE-X optical modules and 1000BASE-T copper modules. When using a 1000BASE-T copper module, a port supports 10M/100M/1000M auto-sensing.

Other related questions:
What are differences between CE-L24XS-ED and CE-L48XS-EC cards
A CE-L24XS-ED card has 24 10GE optical interfaces that share one chip. A CE-L48XS-EC card has 48 10GE optical interfaces that share two chips. The ED and EC cards support different numbers of FIB entries and ACLs, but they have the same MAC address table size.

Can I use a GE optical module on a 10GE optical port or a 100M optical module on a GE optical port
A high-speed optical port supports low-speed SFP, eSFP, and SPF+ modules. Generally, optical ports on a modular switch support low-speed optical modules. However, on a fixed switch, downlink optical ports support low-speed optical modules, but uplink optical ports do not. You can use a GE optical module on a 10GE optical port or a 100M optical module on a GE optical port. NOTE: Normally, you are not advised to install a low-speed optical module on a high speed optical port.

Can GE optical ports use 10GE optical modules
GE optical ports of the switch cannot use 10GE optical modules. Similarly, 100M optical ports cannot use GE or 10GE optical modules.

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.

How do I determine the optical modules and cables supported by a card or switch
For CE series switches: - To determine the optical modules and cables supported by a card of the CE12800 series switches, see the "Indicators and Ports" section of the card model under "Cards" in the CloudEngine 12800 Series Switches Hardware Description. - To determine the optical modules and cables supported by CE8800&CE7800&CE6800&CE5800 series switches, see the "Appearance and Structure" section of the specific chassis model under Chassis > Chassis Models in the CloudEngine 8800&7800&6800&5800 Series Switches Hardware Description.

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