Figure 2 - 4. Power connections attached to contacts on 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.
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The positive pole (+) connects to the -48V Return contact.
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If available, earth ground may be connected to center contact post.
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2. Tighten the contact screws so the connection is secure.
RPS Installation
Follow the instructions below to connect the RPS power supply to the switch (DPS-200 to DES-3828
or DPS-600 to DES-3828P). The DPS-200 is a redundant power-supply unit designed to conform to
the voltage requirements of the switches being supported. DPS-200 can be installed into DPS-900, or
DPS-800.
CAUTION:
before proceeding with installation of the DPS-200.
DPS-900
The DPS-900 is a standard-size rack mount (5 standard unit in height) designed to hold up to 8 DPS-
200 redundant power supplies.
xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
The AC power cord for the switch should be disconnected
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