... payment methods.Warranty:All the products have 1 years warranty.New Cisco expansion module - 2 ports-C3KX-NM-10G1.Manufacturer: CISCO2 ... 48P-S, 3560X-48T-L, 3560X-48T-S, 3750X-12S-E, 3750X-12S-S, 3750X-24P-L, 3750X-24P-S, ... 3750X-24S-E, 3750X-24S-S, 3750X-24T-L, 3750X-24T-S, ... , 3750X-48P-S, 3750X-48T-L, 3750X-48T-S Brand New Cisco expansion module - 2 ports- C3KX-NM-10G