3592 diagnostic cartridge

This section gives information about the appearance and usage of the 3592 diagnostic cartridge.

The 3592 diagnostic cartridge is a cartridge with verified media that is reserved for diagnostic purposes. The diagnostic cartridge is stored in a tier 0 cartridge storage slot. During a service call, your IBM service representative uses the cartridge to ensure that the tape drives run correctly and to specification. The volume serial (VOLSER) number for the diagnostic cartridge is CE xxxJy, where xxx is three digits and Jy is the cartridge type (such as JJ or JK).

A new diagnostic cartridge comes with the L25 frame.