Juniper MX240 - MX240 AC Power Supply Leds; MX240 DC Power Supply Description; Table 54: AC Power Supply Leds

Related
Documentation
MX240 Chassis Description on page 8•
• MX240 AC Power Supply LEDs on page 92
• Connecting Power to an AC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 199
• MX240 Chassis Grounding Specifications on page 157
MX240 AC Power Supply LEDs
Each AC power supply faceplate contains three LEDs that indicate the status of the
power supply (see Table 54 on page 92). The power supply status is also reflected in
two LEDs on the craft interface (see “Power Supply LEDs on the MX240 Craft Interface”
on page 15).In addition, a power supply failure triggers the red alarm LED on the craft
interface.
Table 54: AC Power Supply LEDs
DescriptionStateColorLabel
AC power input voltage is below 78 VAC.OffYellowAC OK
AC power input voltage is within 78–264 VAC.OnGreen
DC power outputs generated by the power supply are not within the normal
operating ranges.
OffGreenDC OK
DC power outputs generated by the power supply are within the normal operating
ranges.
On
Power supply is functioning normally.OffRedPS FAIL
Power supply is not functioning normally and its output voltage is out of regulation
limits. Check AC OK and DC OK LEDs for more information.
On
Related
Documentation
MX240 Chassis Description on page 8•
• Power Supply LEDs on the MX240 Craft Interface on page 15
• MX240 AC Power Supply Description on page 90
• Connecting Power to an AC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 199
• MX240 Chassis Grounding Specifications on page 157
MX240 DC Power Supply Description
Each DC power supply weighs approximately 3.8 lb (1.7 kg) and consists of one DC input
(–48 VDC and return), one 40 A (–48 VDC) circuit breaker, a fan, and LEDs to monitor
the status of the power supply. Each DC power supply requires a dedicated customer
Copyright © 2017, Juniper Networks, Inc.92
MX240 3D Universal Edge Router Hardware Guide