The RKM Series 1U lockable Keyboard drawer is available with either touchpad or trackball in multiple keyboard language layouts. The rack mount keyboard drawer ships as standard with both PS/2 and USB connectivity and by selection the optional integrated USB, PS/2 or Cat5 KVM switch the KVM drawer allows you to connect up to 32 servers (Cat5), in addition to this the KVM drawer can be cascaded or stacked with rackmount KVM switches to enable access to up to 128 servers.