Telecom Copper Modules
https://www.commscope.com/product-type/cabinets-panels-enclosures/copper-panels-modules-cassettes/telecom-copper-modules/
The LSA-PLUS® System is used for connecting, disconnecting, switching and earthing connections in broadband copper telecommunications and data applications. The special LSA-PLUS contact the highest degree of contact safety under the most severe conditions even after years of use.