Cisco 3130 - Manual (Page 16)

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Cisco Catalyst Blade Switch 3130 for Dell and Cisco Catalyst Blade Switch 3032 for Dell Hardware Installation Guide
OL-13269-01
Chapter 1 Product Overview
Other Features
Stack Member LED (Only the CBS3130G-S and CBS3130X-S Switches)
The Stack Member LED (MMBR) shows the switch stack membership number, which ranges from 1 to
9. The Stack Member LED blinks a number of times equal to the membership number of the switch,
pauses, and then repeats the process until you turn off stack mode.
Table 1-4 lists the LED colors and their meanings when stack mode is on. When stack mode is off, the
Member LED is off.
RJ-45 Uplink Port LEDs
The external 10/100/1000BASE-T copper Gigabit Ethernet uplink port LEDs display link and activity
information about each individual port. These LEDs are on the top left and bottom left or on the top right
and bottom right, respectively, of each RJ-45 port (see item 3 in
Figure 1-1 on page 1-2 ). Table 1-5
describes the port link LED colors and their meanings.
The port activity LED blinks green to indicate traffic.
System Status/ID LED
The System Status/ID LED is controlled by the server chassis software. See Table 1-6 for descriptions
of this LED.
Table 1-4 Member LED With Stack Mode On
Color Description
Off Pause between blinking stack membership number. Duration is 5 seconds. After
pause, LED blinks green.
Blinking Green A total of n on-off cycles with n = switch stack membership number in range
1 to 9. After n on-off cycles, blinking stops, and LED turns off.
Table 1-5 Meaning of Port Link LED Colors
LED Color Meaning
Off No link established.
Solid green Link established, no activity.
Blinking green Traffic on an established link.
Amber Port disabled, either error or STP 1 disabled.
1. STP: Spanning Tree Protocol.
Alternating Green/Amber Link fault.
Table 1-6 Meaning of System Status ID/LED Colors
LED Color Meaning
Blue on Switch stack master.
Blue off Switch stack member.
Blinking amber The CMC 1 and the switch are not communicating properly.
1. CMC = Chassis Management Controller.