4XKJC5EWHThe 4XEM CAT5E Keystone Jack Punch Down (part number 4XKJC5EWH) is a networking component designed for terminating Category 5e Ethernet cables. This keystone jack facilitates the creation of network connection points within wall plates, patch panels, or surface mount boxes. The punch-down termination method ensures a secure and reliable connection for data transmission, supporting standard Ethernet applications.