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Obtaining documentation To access the most up-to-date H3C product documentation, go to the H3C website at http://www.h3c.com.hk To obtain information about installation, configuration, and maintenance, click http://www.h3c.com.hk/Technical_Documents To obtain software version information such as release notes, click http://www.h3c.com.hk/Software_Download Technical support service@h3c.com...
Contents Overview ·················································· 1 Front panel ···································································· 2 LEDs ············································································ 2 Technical specifications ··················································· 4 Power module configuration ·············································· 5 Installing and removing the power module ······· 6 Installing the power module ··············································· 6 Installing the power module ·········································· 7 Connecting the power cord ··········································...
Overview The DC2400 DC-input and DC-output power module provides a maximum output of 2400 W. The available model is NSQM1DC2400. It has the following features: • It has protection against undervoltage input, overvoltage input, overvoltage output, output short circuit, overcurrent output, and overtemperature.
Front panel Figure 1 Front panel (1) Captive screw (2) Handle (3) Power receptacle (4) Power cord screw hole (5) Power input status LED (6) Power output status LED (INP OK) (DC/FLT) LEDs The power module has two LEDs.
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Table 1 LED description Mark Color Description Green Normal power input. • No power input. Power input • Low power input voltage. INP OK status The power module has entered self-protection mode. Green Normal power output. • An output exception has occurred, for example, output short circuit, output overcurrent, output...
NOTE: After the circuit breaker of the power module is switched off, the LEDs on the power module will remain on for a while. Make sure the LEDs are off when you remove the power module. Technical specifications Table 2 Technical specifications Item Specifications Rated input voltage...
Power module configuration Follow these guidelines to configure power modules for a device: • Determine the required number of power modules based on the actual power consumption, the power module slot number, and power redundancy design. • Determine the power module redundancy design based on the power source conditions.
Installing and removing the power module CAUTION: Do not install the DC2400 power module and other types of power modules on the same device. The power module slots are either vertically or horizontally oriented, depending on the device model. The power module installation and removal procedure is similar for vertical and horizontal power module slots.
Figure 2 Installation flow NOTE: If the power module slot does not have a blank panel, skip the "Remove the blank panel" procedure. Before installing the power module, prepare an ESD wrist strap and a Phillips screwdriver. Installing the power module Wear an ESD wrist strap, and make sure the wrist strap makes good skin contact and is reliably grounded.
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Correctly orient the power module. The blank panel is printed with a diagram of correct installation direction. Follow the direction to orient the power module. Holding the handle of the power module with one hand and supporting the bottom with the other, push the power module into the slot along the guide rails.
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Figure 4 Installing the power module (horizontal power module slot) Press the handle back into the notch of the power module. Use the Phillips screwdriver to fasten the captive screw on the handle to secure the power module in the slot.
Figure 5 Securing a power module in the slot Connecting the power cord WARNING! • Make sure each power cord has a separate circuit breaker. • Before connecting a DC power cord to the power source terminals, make sure the circuit breakers for both the negative terminal and positive terminal are switched off.
Figure 6 Connecting the power cord (vertical power module slot) (1) Plug the DC power cord connector into the receptacle of the power module. (2) Fasten the screw on the plug. Connect the other end of the DC power cord to the circuit breaker, with the negative wire (–) in blue to the negative terminal (–) and the positive wire (+) in black to the positive terminal (+).
Figure 7 Removal flow Before removing the power module, prepare an ESD wrist strap and a Phillips screwdriver. Removing the power cord Turn off the circuit breakers for the power cord. Wear an ESD wrist strap, and make sure that the wrist strap makes good skin contact and is reliably grounded.
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Hold the captive screw and pull out the handle of the power module. As shown in Figure 8, grasp the handle of the power module with one hand and pull it part way out of the slot. Support the bottom of the power module with the other hand, and pull the module slowly out of the slot along the guide rails.
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