the sfp module slots support the sfp modules listed in the catalyst 3750 release notes.

    sfp modules

    the catalyst 3750 switch uses gigabit ethernet sfp modules to establish fiber-optic connections. these transceiver modules are field-replaceable, providing the uplink interfaces when inserted in an sfp module slot. you can use the sfp modules for gigabit uplink connections to other switches. you use fiber-optic cables with lc or mt-rj connectors to connect to a fiber-optic sfp module. you use category 5 cable with rj-45 connectors to connect to a copper sfp module.

    the catalyst 3750 models support these cisco sfp options:

    1?1000base-lx

    2?1000base-sx

    3?1000base-t

    for more information about these sfp modules, refer to your sfp module documentation.