Leds, System led – Cisco 3750 User Manual
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Catalyst 3750 Metro Switch Hardware Installation Guide
OL-9160-02
Chapter 1 Product Overview
Front Panel Description
In addition to supporting the features described previously, the enhanced-services SFP modules support
autonegotiation. Refer to the software guides for this switch for information about the features of the
enhanced-services ports.
LEDs
You can use the switch LEDs to monitor switch activity and performance.
shows the switch
LEDs and the Mode button that you use to select one of the port modes.
Figure 1-2
Catalyst 3750 Metro Switch LEDs
System LED
The System LED shows whether the system is receiving power and is functioning properly.
lists the LED colors and their meanings.
1
Mode button
6
Master LED
2
Stack LED (not used)
7
Power B LED
3
Speed LED
8
Power A LED
4
Duplex LED
9
System LED
5
Status LED
10 Port LED
PWR A
SYST
PWR B
MASTR
STAT
DUPLX
SPEED
STACK
MODE
97427
1
2
3
4
5
6
7
8
9
10
11
12
1X
2X
11X
12X
13
14
15
16
17
18
19
20
21
22
23
24
13X
14X
23X
24X
10
CONSOLE
2
1
3
4
8
7
6
5
9
Table 1-1
System LED
Color
System Status
Off
System is not powered on.
Green
System is operating normally.
Amber
System is receiving power but is not functioning properly.