This cable tester from Delock can be used to test the network cable assignment quickly and easily. To test already laid cables, the remote unit attached to the device can be removed. The port finder function signals the connected port on a switch by a flashing LED. https://elecena.pl/product/30509971/delock-86407-network-tester 2026-07-15 https://elecena.pl/product/30509971/delock-86407-network-tester 2026-08-31