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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
12
Connecting DC Power to the DES-3828DC
Follow the instructions below to connect the DC power supply of the DES-3828DC to the DC power source.
Figure 2 - 5. Power connections attached to contacts after assembly
1. Firmly attach the DC power to the negative and positive contacts on the wiring assembly.
• The negative pole (-) connects to the -48V contact.
• The positive pole (+) connects to the -48V Return contact.
• If available, an earth ground may be connected to the center contact post.
2. Tighten the contact screws to secure the connection.