Dell Z9100 EMC PowerSwitch –ON Installation Guide March 2021 - Page 30

DC power connector and wiring block, DC power connector ground, PSU status LED

Page 30 highlights

Figure 18. DC power connector and wiring block 1. DC wire RTN 3. Captive screws (2) 5. PSU status LED 7. DC wire -48V 2. DC power connector 4. Orange tab 6. DC power socket Figure 19. DC power connector ground 1. Ground nut 3. Lock washer 5. Device grounding rod 2. Washer 4. Ground cable To connect a DC PSU to the site's DC power source, follow these steps: 1. Strip 1/2 inches of insulation from each of the power connector's wires (RTN and -48V), as shown. 2. Insert each of the power connector's bare wire lengths into the wiring block. Insert RTN into one hole and -48V into the other hole, as shown. 3. Use a flat-blade screwdriver to tighten the screws that secures the bare wires into the wiring block. 4. Secure the site's DC power source wires to the other side of the wiring block (see steps 1 and 3). 30 Power supplies

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Figure 18. DC power connector and wiring block
1.
DC wire RTN
2.
DC power connector
3.
Captive screws (2)
4.
Orange tab
5.
PSU status LED
6.
DC power socket
7.
DC wire –48V
Figure 19. DC power connector ground
1.
Ground nut
2.
Washer
3.
Lock washer
4.
Ground cable
5.
Device grounding rod
To connect a DC PSU to the site’s DC power source, follow these steps:
1.
Strip 1/2 inches of insulation from each of the power connector’s wires (RTN and –48V), as shown.
2.
Insert each of the power connector’s bare wire lengths into the wiring block. Insert RTN into one hole and –48V into the
other hole, as shown.
3.
Use a flat-blade screwdriver to tighten the screws that secures the bare wires into the wiring block.
4.
Secure the site’s DC power source wires to the other side of the wiring block (see steps 1 and 3).
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Power supplies