IBM DCS9550 1S1 - Manual (Page 38)

Installation
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 23
2.7 SCM I/O Module Installation
Important The SCM I/O modules must be installed in Rear Bay 3 and 4 location [see
Figure 2–1, ”Module locations”, on page 16 ].
2.7.1 Procedure
Check for damage especially to the interface connector. Do not install if any pins are bent.
1 Install the module in rear Bay 3 of the enclosure (Figure 2–1).
2 With the latch in the open position (see Figure 2–8), slide the SCM module into the enclosure
until the latch engages automatically.
3 Cam the module home by manually closing the latches (see Figure 2–9). You should hear a
click as the latch engages.
Figure 2–7 IBM System Storage DCS9550 Couplet Cabling
Figure 2–8 SCM Module Latch Operation