HP NonStop G-Series - Manual (Page 28)

5157/5157 ACL S-Series DLT Subsystems Installation/Users Guide
Unpacking and Installing the 5157/5157 ACL Tape Subsystem
2-11
A single S-series cabinet may be stacked on top of an S-series
Server (as in Figure 2-10). All three shelves may be used in the
cabinet.
Figure 2-10 Cabinet on Server