Installation Instructions

R20 1X UBS Macro B T S Hardw are Installation T ask 7: Cabling the Optional PSM Shelf
Task 7: Cabling the Optional PSM Shelf
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Objectives
The objectives of this procedure are as follows:
• F or -48 V DC or 220 V AC UBS only .
Connect the +27 V DC power output cable from the rear of the PSM shelf to the +27 V DC
power input cable on the rear of the PDU .
• F or -48 V DC or 220 V AC UBS only
Connect the 50 -conductor cable (supplied with PSM shelf) between the PSM shelf front
panel ALARM/CONTROL connector and S SI front panel PSM connector .
Required items
The following items are required:
• 50 -conductor cable (supplied with PSM shelf)
• Flat blade screw driver
Procedure
Procedure 2 -5 gives the procedure for performing T ask 7.
Procedure 2 -5 Procedure for T ask 7
1
Connect the +27 V DC power output cable from the rear of the PSM shelf
to the +27 V DC power input cable on the rear of the PDU . Mate Orange
connectors together .
2
Connect the 50-conductor cable (supplied with PSM shelf) between the PSM
shelf front panel ALARM/CONTROL connector and S SI front panel PSM
connector . Refer to Figure 2-3 and Figure 2-4 for the connector locations on
the PSM shelf front panel and on the S SI.
68P09283A62 -3 2 -43
PRELIMINARY A UG 2007