Power Supply Leds - Cabletron Systems MCC-16 User Manual

Figure 2-4 Removing The Back Cover Of The MCC-16

2.4.1 Power Supply LEDs

This section describes the MCC-PS LEDs, as listed in
LED
POWER IN
POWER OUT
OVERLOAD
FAN
POWER 2
Table 2-1 MCC-PS LEDs
Status Meaning
Input voltage delivered to the MCC-PS within
GREEN
the acceptable limit (above 80 volts typically).
Input voltage delivered to the MCC-PS below
RED
acceptable limit.
OFF Neither power supply is receiving power.
Output voltage delivered to the backplane
GREEN
within regulation.
Output voltage not delivered to the backplane
RED
within regulation.
OFF Neither power supply is receiving power.
GREEN Output current below rated load.
Output current above rated load or only one
RED
MCC-PS is delivering power to the chassis.
OFF Neither power supply is receiving power.
GREEN Normal operation.
RED Fan failure.
OFF Neither power supply is receiving power.
INSTALLATION
POWER 1
MCC-PS
POWER IN
POWER OUT
OVERLOAD
100-125V - 4.0A
FAN 200-250V - 2.0A
50/60Hz
SN
Table 2-1.
2-5