Mx240 Dc Power Supply Leds; Table 52: Dc Power Supply Leds - Juniper mx240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide
Related
Documentation

MX240 DC Power Supply LEDs

Table 52: DC Power Supply LEDs

Label Color
Green
PWR OK
Yellow
Green
BRKR ON
Green
INPUT OK
Yellow
Related
Documentation
90
MX240 DC Power Supply LEDs on page 90
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 197
MX240 Chassis Grounding Specifications on page 154
DC Power Supply Electrical Specifications for the MX240 Router on page 143
Each DC power supply faceplate contains three LEDs that indicate the status of the
power supply (see Table 52 on page
two LEDs on the craft interface (see
on page 15).In addition, a power supply failure triggers the red alarm LED on the craft
interface.
NOTE: An SCB must be present for the
State Description
Off Power supply is not functioning normally. Check the
information.
On Power supply is functioning normally.
On The main output voltage is out of range (lower limit: 37.5 V to 39.5 V; upper limit:
72.5 V to 76 V).
Off DC power supply circuit breaker is turned off.
On DC power input is present and the DC power supply circuit breaker is turned on.
Off DC input to the PEM is not present.
On DC input is present and is connected in correct polarity.
On DC input is present, but not in valid operating range or connected in reverse polarity.
Power Supply LEDs on the MX240 Craft Interface on page 15
MX240 DC Power Supply Description on page 88
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 197
MX240 Chassis Grounding Specifications on page 154
DC Power Supply Electrical Specifications for the MX240 Router on page 143
90). The power supply status is also reflected in
"Power Supply LEDs on the MX240 Craft Interface"
LED to go on.
PWR OK
INPUT OK
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