Figure 30: M40E Dc Power Supply; Table 12: States For M40E Dc Power Supply Leds; Table 13: M40E Electrical Specifications For Dc Power Supply - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Table 12: States for M40e DC Power Supply LEDs

Label
CB ON
OUTPUT OK
CB OFF

Table 13: M40e Electrical Specifications for DC Power Supply

Description
Maximum power output
DC input voltage
DC input current rating
Output voltages
46

Figure 30: M40e DC Power Supply

Color State
Green On steadily
Blue On steadily
Blinking
Yellow On steadily
Table 13 on page 46 lists electrical specifications for the DC power supply.
Specification
3150 W; nonisolated
Nominal: –48 VDC, –60 VDC
Operating range: –40.5 to –72 VDC
NOTE: If the input voltage from the DC power source drops below
–40.5 VDC, the platform automatically shuts down. During
automatic shutdown, the circuit remains active. When the input
voltage returns to –42.75 VDC, the platform automatically starts
up again and the system returns to normal operation within 30
minutes. No operator intervention is required.
80 A @ –48 V
+48 V @ 8.3 A (cooling system), +8.3 V @ 6 A (bias), –48 V to
–60 V@ 75 A
Description
Power supply is inserted correctly and is receiving
power. Circuit breaker is on.
Power supply is inserted and is functioning normally.
Power supply is not functioning, is starting up, or is
not properly inserted, or airflow is not sufficient.
Power supply is functioning, but the circuit breaker
is off.
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