Hello @SIMMN
These modules provide additional network connectivity options. The ports on these modules can generally be used for both uplinks and downlinks concurrently. The specific use (as an uplink or downlink) is determined by how you configure the switch ports connected to these module ports. You can configure them to connect to other switches as uplinks or to end-user devices as downlinks, or even a mix of both based on your network requirements.
Often, network modules, especially those designed for high-speed connectivity, are favored for uplink connections. Uplink ports typically require higher bandwidth to handle the traffic aggregation from multiple downstream devices, such as switches or end-user devices.
Modules with high-speed ports, like 10 Gigabit Ethernet or higher, are commonly used as uplinks to connect switches together or to connect to higher-tier networking equipment. This is to ensure that the uplink has sufficient capacity to handle the aggregated traffic from the devices connected to the downlink ports.
Specific use case depends on your network design and requirements. In some scenarios, high-speed ports on modules may also be used for connecting critical endpoints that require high bandwidth, depending on the overall network architecture and traffic patterns.
Best regards
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