Installation Instructions

R20 1X UBS Macro B T S Hardw are Installation T ask 5: R ack Mounting for Low -Capacit y Fr ame
Procedure 2 -4 R ack Mounting the Low -Capacit y , +27 V DC UBS Macro B T S Assembly
(Continued)
14
Grasp the XMI by its handle with one hand and the XMI bottom edge with the
other hand. Lift the XMI and fully insert it into slot 1 (left most slot) of the XMI
shelf . See photograph A of Figure 2-19 Reinstalling the XMI on page 2- 44 .
15
Insert the four XMI mounting screws; two screws at each of the top and
bottom mounting tabs on the front of the module. Using a T25 TORX driver ,
tighten the screws to 4.77 N-m (42 in-lb).
16
Reconnect all cables to the XMI front panel.
T o a v oid blocking exhaust air from the XMI, be certain that the XMI
power cable is routed to the outside of the XMI at the back of the
r ack.
See photographs B through D of Figure 2-19 Reinstalling the XMI on page
2- 44 .
17
This step is optional and is only performed if there is
a desire to remove the carrier strips from the frame.
Remove the carrier strips from the frame as follows:
• Using a 10 mm socket and ratchet, loosen and remove the 8 nuts that
secure each carrier strip to the frame.
• Remove the carrier strip.
Procedural reference diagrams
The following diagrams help clarify certain steps in Procedure 2 -4 .
• Figure 2 -15 Hanger screw layout for UBS Macro carrier strip assembly on page 2 - 40
• Figure 2 -16 Removing the XMI from the carrier strip assembly on page 2 - 41
• Figure 2 -17 Lifting and hanging the carrier strip assembly on the rack (XMI shown
removed) on page 2 - 42
• Figure 2 -18 Carrier strip assembly keyhole screw locations on page 2 - 43
• Figure 2 -19 Reinstalling the XMI on page 2 - 44
68P09283A62 -2 2 -39
PRELIMINARY A UG 2007