Another alternative for short reaches within the same location is to use a single mode patch cable.
Cisco fiber patch cables.
Cisco mode conditioning patch cord for 62 5 um fiber with lc connectors.
The patch cable can connect two catalyst 3560 switches in a cascaded configuration.
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There will be no saturation over single mode fiber.
Please note the 10gbase lrm devices can reach up to 300m over single mode fiber as per cisco specifications.
Use fiber patch cables to update your computer network.
Catalyst 3550 connectors and cables identify the switch chassis part number.
The catalyst 3560 switch supports the sfp module patch cable a 1 2 meter copper passive cable with sfp module connectors at each end.
The patch cord is required as per ieee standard and cisco specification for all links over fddi grade om1 and om2 fiber types and should never be used for applications over om3 and more recent fiber types.