IBM AA-RWF3A-TE - Manual (Page 51)

Figure 18 Securing the switch (in HP 9000 Series or HP 10000 Series
Racks)
Figure 19 Securing the switch (in an HP System/e rack)
3. Tighten the hex nuts installed earlier. See step 4a , page 44.
NOTE:
To uninstall a switch, remove the middle #10-32 x 1/2-inch Phillips pan-head screw
with captive star lock-washer from either side of the rack uprights.
This completes the rack mount procedure.
SAN Switch installation guide 51