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The downshifts from 2.5 Gb / s to 1 Gb / s always occur during runtime. The link is initially negotiated with 2.5 Gb/s, but at some point it drops back to 1 Gb/s during operation. If network components are not operated with PoE but by connection to the power supply at these ports, no downshift effects occur! |
LANCOM Systems therefore recommends the use of shielded CAT5e or CAT6e Ethernet cables (each of the type STP or FTP) in order to minimize the risk of a downshift from 2.5 Gb/s to 1 Gb/s.
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