DMS-3130 Series Layer 3 Stackable Managed Switch Hardware Installation Guide
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4. Circle the tie of the retainer around the power cord and into the locker of the retainer.
Figure 3-8 Circle around the power cord
5. Fasten the tie of the retainer until the power cord is secured.
Figure 3-9 Secure the power cord
Installing the Redundant Power Supply (RPS)
The Redundant Power Supply (RPS) is designed to conform to the wattage requirements of D-Link’s Ethernet and
Gigabit switches. The external RPS unit should be enclosed in solid metal case with sockets to connect AC or DC
power sources on one end, and to connect to a switch’s internal power supply on the other end. The RPS provides an
affordable cost, simple solution to the problem of an inadvertent failure of the internal power supply of an Ethernet
switch, which can result in the shutdown of that switch, the devices attached to its ports, or an entire network.
