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Table 6. System LED descriptions
Function
Service
Power supply
Fans
Stacking
Total Power Failure
Off
Off
Off
Off
Service Required
Flash blue
Flash green (Note 1)
Flash green (Note 2)
Flash green or steady
green (Note 3
Power Supplies OK
Not applicable
Steady green
Not applicable
Not applicable
Power Supply Failure
Flash blue
Flash green
Not applicable
Not applicable
Fans OK
Not applicable
Not applicable
Steady green
Not applicable
Fan Failure
Flash blue
Not applicable
Flash green
Not applicable
Stack Master
Off
Not applicable
Not applicable
Flash green
Stack
Backup/Member
On
Not applicable
Not applicable
Steady green
Stack Error
Flash blue
Not applicable
Not applicable
Flash green or steady
green
Non-Stack Member
Off
Not applicable
Not applicable
Off
Operations Command Steady blue (Note 4)
Not applicable
Not applicable
Not applicable
Note 1:
If service required is due to a power supply failure, this LED flashes. Otherwise, it is steady green.
Note 2:
If service required is due to fan failure, this LED flashes. Otherwise, it is steady green.
Note 3:
If service required is due to a stacking error, this LED flashes or is steady green, depending on its last
known good state.
Note 4:
If an operations command is sent to the unit, this LED is steady blue. It can be used to locate the device.
RJ-45 LEDs
The RJ-45 LEDs are shown in the following illustration.
RJ-45 port LEDs
Link LED
Activity LED
Status LEDs for the RJ-45 management port are described in the following table.
Table 7. RJ-45 LEDs status
LED
Steady green
Flashing Yellow
Off
Link
Link up
Not applicable
No link
Activity
Not applicable
Activity
No activity
QSFP+ LEDs
The QSFP+ LEDs are shown in the following illustration.
5
13
9
1
9
1
13
5
8
16
12
4
7
15
11
3
6
14
10
2
!
S
Mgmt
QSFP+
LEDs
Figure 5. QSFP+ LEDs
Chapter 1. Introduction
9
Summary of Contents for 1611-16E
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