Black Box FM593 keystone module

Use couplers in-line to connect patch cables or mount in a wallplate. Quick Facts - Keystone couplers install in the wall or in wallplates. - Feature two RJ-45 (8-wire) female jacks. - Straight-pinned couplers work with both T568A or T568B wiring. - Work with GigaStation2 Wallplates. - Guaranteed for life!