Dell manual Connecting the -48 VDC Power Cable and Safety Ground

w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Input Requirements

•Supply voltage: –(38–60) VDC

•Current consumption: 7.5 A

Connecting the –48 VDC Power Cable and Safety Ground

1Remove the #6-32 nut equipped with a lock washer from the grounding post on the back of the system.

2Connect the safety ground (green/yellow wire) to the grounding post on the back of the system using the #6-32 nut equipped with a lock washer that you removed in step 1 (see Figure 1-1).

NOTE: If your system is equipped with redundant –48 VDC power supplies, you must connect both safety ground wires to the grounding post on the back of the system.

F i g u r e 1 - 1 . S a f e t y G r o u n d
safety ground wire	grounding post

#6-32 nut with lock washer

1-2

Cabling Instr uctions for the –48 VDC