Table 67: High-Capacity Second-Generation AC Power Supply LEDs
DescriptionStateColorLabel
AC power applied to power supply is not within the normal operating range.OffGreenINP0 OK
AC power applied to power supply is within the normal operating range.On
AC power applied to power supply is not within the normal operating range.OffGreenINP1 OK
AC power applied to power supply is within the normal operating range.On
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. Check AC OK and DC OK LEDs
for more information.
On
RELATED DOCUMENTATION
MX960 Chassis Description | 7
MX960 Power System Overview | 129
MX960 AC Power Supply Description | 130
MX960 DC Power Supply
In the DC power configuration, the router contains either two or four DC power supplies (see
Figure 39 on page 141), located at the lower rear of the chassis in slots PEM0 through PEM3 (left to right).
You can upgrade your DC power system from two to four power supplies. The DC power supplies in
slots PEM0 and PEM2 provide power to the lower fan tray, DPC slots 6 through 11, and SCB slots 1 and
2. The DC power supplies in slots PEM1 and PEM3 provide power to the upper fan tray, DPC slots 0
through 5, and SCB slot 0.
Four power supplies provide full redundancy. If a DC power supply fails, its redundant power supply takes
over without interruption.
140
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