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.
Power supplies
29