We use the Raritan KSX serial "KVM". It works well enough, although we did have a problem initially with cables for devices that use an RJ-45 connector rather than DB-9 (like that for the NetApp).

The Serial Cables SA-ENC12G-024A is constructed of quality components that are very durable. The JBOD provides unhindered performance to any SATA or SAS device used in the enclosure, and supports dual ...