Installation guide

64 DC 900-1537B
Freeway 1200/1300 Hardware Installation Guide
Temperature LED This LED shows the status of the interior chassis environment
temperature. The valid settings are 35° C, 45° C, 55° C, and
65° C. The default temperature set at the factory is 45° C. A
solid green LED indicates that the temperature is equal to or
less than the selected value. A blinking red LED indicates a fault
condition; that is, the temperature is greater than the selected
value. The audible alarm is activated when the LED is blinking
red during a fault condition.
Chassis Fan
Status LEDs
These LEDs show the status of the chassis fans. FAN LED 1
monitors the fans in the front panel fan tray. Fan LED 2 moni-
tors the fan mounted below the ISA/PCI backplane and to the
rear of the SCA backplane. A solid green LED indicates that all
fan motors are rotating. A blinking red LED indicates a fault
condition. The audible alarm is activated when the LED is
blinking red during a fault condition.
Power Supply
Voltages LEDs
These LEDs show the status of the power supply voltages. The
+5, +12, and +3.3 volt DC outputs from the power supplies are
monitored. Nominal conditions are +/- 5% for the +5 and +3.3
volt supplies and +/- 10% for the +12 volt supply. A solid green
LED indicates a nominal condition. A red LED indicates a fault
condition. The audible alarm is activated when the LED is red
during a fault condition.
Drive LEDs These LEDs show the status of the hard drives. A green LED
indicates drive access for read or write activity. A dark LED
indicates no activity or no drive installed.