Installing Power Modules - Cisco NCS 4000 Series Hardware Installation

Installing Power Components

Installing Power Modules

The following procedures describe how to install power modules into the chassis. The installation procedure
is the same for both AC or DC modules.
Never force a power module into the power tray if you feel any resistance! The power modules are keyed
Caution
to prevent AC modules from being plugged into a DC power tray or a DC module into an AC power tray.
Forcing a module into the incorrect tray can cause damage to the module and the tray.
Each power module has three status LEDs located on the front left side of its faceplate.
Table 26: Power Module LED Status Indicator Lights, on page 173
of the power module.
Table 26: Power Module LED Status Indicator Lights
LED Name
Input OK
Output OK
Fault
Color
Green
Green
Red
Hardware Installation Guide for Cisco NCS 4000 Series

Installing Power Modules

describes the LED status indicator lights
Meaning
• On: The input voltage is
present and within regulation
range.
• Blinking: The input voltage
is present but out of
regulation range.
• Off: The input voltage is not
present.
• On: The output voltage is on.
• Blinking: The power module
is in a power limit or over
current condition.
• Off: The output voltage is
off.
• On: An internal fault is
detected within the power
module.
• Off: No internal faults
detected on the power
module.
173