Technical data

LED Indicators

14-Slot Shelf

Chapter 2

Troubleshooting Fan Trays

9 FAN_TK2 21 -48 V_B

10 FAN_TK1 22 -48 V_A

11 FAN_Speed 23 FAN_24V

12 24 FAN_PWR_RTN

Table 2-14 Fan Tray LED Indicators

Hot-Swap

(Blue)

Ran Tray

Alarm

(Red)

Fan Tray

OK (Green)

Tip

- - Green Normal

Blue Red Green 1

-- - 2

-Red- 3

Flashing

Blue

-- 4

Blue - - 5

Table 2-15 Fan Tray LED Indicator Tips

Tip Symptom Action

1 LED test 1. The LEDs are tested when primary power is first

applied to the chassis by turning on all LEDs,

regardless of the true status, for a period of up to 15

seconds.

2. If one or more LEDs fail to illuminate, replace the Fan

Tray.

Table 2-13 Fan Tray Backplane Connector Pin Assignment (Continued)

Pin Number Signal Pin Number Signal