The EK-21P/EK-12S pair is a convenient solution for accessing remote computer via Cat5 cables up to 150m. The Computer unit, EK-21P, enables a user to control his local computer and to manage a remote computer. The Station unit, EK-12S, allows either a remote user or a local user (from the EK-21P) to access a remote computer. This pair is a combination of KVM extender, KVM switch and computer sharing device ideal for many applications. This extender pair is a perfect match to extend distances between Rextron KVM switches, connected computer and user console.