Appendix A: Connectors and LEDs
7750 SR-a4 and SR-a8 Installation Guide 141
Figure 46 shows the 7750 SR-a fan tray LEDs. Table 57 describes the LEDs.
Figure 46: 7750 SR-a Fan Tray LEDs
24568
7750 SR-a4 Fan Tray
Pwr
Stat
Slot Layout
1/1 XP
1/2
1/3 1/4
2/1 XP
1
2/2 XP
2/3 2/4
CPM A
2
CPM B
7750 SR-a4 Fan Tray
Pwr
Stat
Slot Layout
1/1 XP
1/2 XP
1/3 1/4
CPM A
1
CPM B
LED
LED
7750 SR-a8 7750 SR-a4
Table 57: 7750 SR-a Fan Tray LED Descriptions
Label/Part Sub-
category
Description
Pwr / Stat Power
LED
Blue (solid): During initial power up of the chassis, blue indicates that
power to the fan tray is on.
Unlit: There is no power to the fan tray or the power is faulty.
Status
LED
Green (solid): The fan tray is operational and communicating with the
CPM-a.
Amber (solid): A fault condition exists for the fan tray. An alarm is
generated.
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