Part
157303-B21
is compatible in the following Models:
Compaq/DIGITAL Tape Libraries
TL891DLX LVD DLT 8000 Library - 157300-B21
TL892DLX LVD DLT 8000 Library - 157300-B22
TL891DLX LVD DLT 8000 Library - 157305-B21