Cisco Systems ME3600X24CXM manual Installing the DC Power Supply Module in the Switch, 24VDC 30A

Chapter 3 Installing and Removing AC and DC Input Power Supply and Fan Modules

Power Supply and Fan Module Installation

Installing the DC Power Supply Module in the Switch

Step 1 To ensure that power is removed from the DC circuits, locate the circuit breakers for the DC circuits, switch the circuit breakers to the OFF position, and tape the circuit-breaker switches in the OFF position.

Step 2 Insert the new power supply module into the power supply module slot, and gently push it into the slot (Figure 3-11). When correctly inserted, the power supply module is flush with the switch rear panel.

Figure 3-11 Inserting a DC Power Supply Module

PSU OK

AC

PSU OK

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Step 3 Align the two captive screws with the screw holes. Use a ratcheting torque Phillips-head screwdriver to torque each screw to 10 in-lb.

Step 4 Connect the input power as described in the “Wiring the DC Input Power Source” section.

Wiring the DC Input Power Source

Before you wire the DC input power source, review these warnings and the information:

Warning This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:

24VDC – 30A

48VDC – 15A Statement 1005

Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement 1022

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Caution The DC power supply module voltage should be within 18 to 32 VDC or 36 to 72 VDC. If the supply voltage is not in this range, the switch might not operate properly or might be damaged.

Cisco ME 3800X and ME 3600X Switch Hardware Installation Guide

3-10 OL-22168-01