Delock rj45 port doubler 1 rj45 plug a 2 rj45 jacks (1x
Delock rj45 port doubler 1 rj45 plug > 2 rj45 jacks (1x ethernet, 1x isdn)
Delock rj45 port doubler 1 rj45 plug > 2 rj45 jacks (1x ethernet, 1x isdn)