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Description
C4KX-PWR-750DC-R Overview
There are two versions of the 750 W DC-input power supply, the C4KX-PWR-750DC-F power supply which has back-to-front airflow (the release lever is color-coded blue indicating cool side) and the C4KX-PWR-750DC-R power supply which has front-to-back airflow (the release lever is color-coded burgundy indicating warm side). Both power supplies provide 750 W of power. Figure 1 shows the DC-input power supply and identifies the major features.
Figure 1 750 W DC-Input Power Supply Features
| 1 | Source DC cable plug (detachable) | 5 | FAIL LED (amber) |
| 2 | Power supply handle | 6 | OK LED (green) |
| 3 | DC power cable retaining strap (velcro) | 7 | Retention latch clip |
| 4 | Release lever (color-coded for airflow direction. Burgundy indicates front-to-back; blue indicates back-to-front) |
DC-Input Power Supply Status LEDs Meanings
| OK LED (Green) | FAIL LED (Amber) | Description |
| Off | Off | No source DC power detected by the power supply. |
| Off | On | Power supply failure (includes overvoltage, overcurrent, overtemperature, or fan failure). |
| Off | Blinking | Power supply warning situation where the power supply continues to operate (possible scenarios include high temperature, high power, or slow fan). |
| Blinking | Off | Source DC is present. The 3.3 VDCsb (standby) is on. The power supply is off. |
| On | Off | Power supply is ON and is functioning normally. |
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