Catalyst 3750X 48 Port Data IP Services C3750X-LIC= Product Activation Keys for 3750-X Series C3750X-24-IOS-S-E C3750X-24 IP Base to IP Services factory IOS Upgrade C3750X-48-IOS-S-E C3750X-48 IP Base to IP Services factory IOS Upgrade C3750X-24-L-S C3750X-24 LAN Base to IP Base Paper License C3750X-48-L-S C3750X-48 LAN Base to IP Base Paper License C3750X-24-S-E C3750X-24 IP Base to IP Services Paper License C3750X-48-S-E C3750X-48 IP Base to IP Services Paper License C3750X-24-L-E C3750X-24 LAN Base to IP Services Paper License C3750X-48-L-E C3750X-48 LAN Base to IP Services Paper License L-C3750X-LIC= Electronic Product Activation Keys for 3750-X Series L-C3750X-24-L-S C3750X-24 LAN Base to IP Base E-License L-C3750X-48-L-S C3750X-48 LAN Base to IP Base E-License L-C3750X-24-S-E C3750X-24 IP Base to IP Services E-License L-C3750X-48-S-E C3750X-48 IP Base to IP Services E-License L-C3750X-24-L-E C3750X-24 LAN Base to IP Services E-License L-C3750X-48-L-E C3750X-48 LAN Base to IP Services E-License C3750X-12S-S-E C3750X-12S IP Base to IP Services Paper License C3750X-24S-S-E C3750X-24S IP Base to IP Services Paper License L-C3750X-12S-S-E C3750X-12S IP Base to IP Services Electronic License L-C3750X-24S-S-E C3750X-24S IP Base to IP Services Electronic License LL-3750X-48-USED= Right to use SW license for used 3750X 48 port switches