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Power

4.2 Power Speciﬁcations

Table 4–3 Maximum Available Power

Shelf Type +5 Vdc +12 Vdc

SBB Shelf 28.0 W 81.6 W

Controller and SBB Shelf 26.4 W 75.0 W

4.3 Universal AC and DC Input Power Supplies

Shelf and power supply status are displayed on the power supply LEDs shown in

Figure 4–1. The upper LED displays the shelf status and the lower LED displays

the status of the supply. A complete description of the status signals generated

by the shelf and power supply is contained in Chapter 2.

• When the upper LED is on, both the shelf blowers and the power supplies are

functioning properly.

• When the upper LED is off, either a shelf blower or a power supply is not

operating properly.

Figure 4–1 Power Supply Status LEDs

SHELF

STATUS LED

POWER SUPPLY

STATUS LED

CXO-3613B-PH

Power 4–3

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 73 74

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