Console Ports: 2 x USB Type A Female, 1 x 6-pin Mini-DIN Female (Purple), 1 x 6-pin Mini-DIN Female (Green), 1 x HDB-15 Female (Blue), Firmware Upgrade: 1 x RJ-11 Female, Power: 1 x IEC 60320/C14, Firmware Upgrade: 1 x Slide, Station ID: 1 x 2 Digit 7-segment (Orange), Housing: Metal. The KH1532A KVM switches are control units that allow IT administrators to access and control multiple computers from a single PS/2 or USB KVM console (keyboard, monitor, and mouse). Operators can take control of up to 32 (KH1532A) computers.