The Cisco C3KX-NM-1G is a 4 GbE port network module designed for use with the Catalyst 3750-X Series and 3560-X Series Switches. The 3750-X and 3560-X series can support one of four optional network modules for uplink ports. When purchasing the default switch configuration, you won't receive an uplink module, but at the time of switch purchase you may choose to add one.
This module has four 1-Gigabit SFP module slots, and it is compatible with:
- The Cisco Catalyst 3560X-24 switches
- The Cisco Catalyst 3560X-48 switches
- The Cisco Catalyst 3750X-12 switches
- The Cisco Catalyst 3750X-24 switches
- The Cisco Catalyst 3750X-48 switches