Juniper Networks M10i manual States for Power Supply LED

M10i Internet Router Hardware Guide

Figure 8: DC Power Supply

Table 12: Electrical Specifications for DC Power Supply

Description	Specification
Maximum power output	293 W
DC input voltage	Nominal: –48, –60 VDC
	Operating range: –40.5 to –72 VDC
Input DC current rating	10 A @ –48 V
Output voltages	+3.3 V @ 40 A, +2.5 V @ 20 A, +5.0 V @ 15 A,
	+12 V@ 3 A

NOTE: The DC power supply requires –42 VDC to power on.

NOTE: The DC power supplies are marked –48 VDC. This is the nominal voltage associated with the battery circuit. Any higher voltages are associated only with float voltages for the charging function.

Power Supply LED

Table 13 on page 22 describes the LED on both AC and DC power supplies.

Table 13: States for Power Supply LED

Label	Color	State	Description
OUTPUT OK	Green	On steadily	Power supply is functioning normally, input is
			occurring, outputs are within range, and the
			temperature is within range.
		Blinking	Power supply is not functioning, is starting up, is
			not properly inserted, or airflow is not sufficient.

22■ Power Supplies