Mx240 Ac Power Supply Leds; Mx240 Dc Power Supply Description; Table 54: Ac Power Supply Leds - Juniper MX240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide
Related
Documentation

MX240 AC Power Supply LEDs

Table 54: AC Power Supply LEDs

Label Color
Yellow
AC OK
Green
DC OK Green
PS FAIL Red
Related
Documentation

MX240 DC Power Supply Description

92
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
Each AC power supply faceplate contains three LEDs that indicate the status of the
power supply (see Table 54 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.
State Description
Off AC power input voltage is below 78 VAC.
On AC power input voltage is within 78–264 VAC.
Off DC power outputs generated by the power supply are not within the normal
operating ranges.
On DC power outputs generated by the power supply are within the normal operating
ranges.
Off Power supply is functioning normally.
On Power supply is not functioning normally and its output voltage is out of regulation
limits. Check
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
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
92). The power supply status is also reflected in
"Power Supply LEDs on the MX240 Craft Interface"
and LEDs for more information.
AC OK DC OK
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