Dell POWEREDGE M1000E - Manual (Page 89)

Hardware Overview 89
LED Definitions
This section describes the light emitting diodes (LEDs) on the front panel of
the switch and on the optional modules that plug into the back panel.
Port LEDs
The integrated external 10/100/1000Base-T switch ports on the
PowerConnect M6220 and M6348 switches include two LEDs. The
integrated SFP+ switch ports on the PowerConnect M8024-k include one
LED.
10/100/1000Base-T Port LEDs (PowerConnect M26220 and M6348)
Each integrated external 10/100/1000Base-T port on the PCM6220 and
PCM6348 has two LEDs. Figure 3-5 illustrates the 10/100/100Base-T port
LEDs.
Figure 3-5. 10/100/1000Base-T Port LEDs
Table 3-1 contains port LED definitions for the integrated 10/100/1000
Base-T ports on the PowerConnect M6220 and M6348 switches.
Table 3-1. 10/100/1000Base-T Port Definitions
LED Color Definition
Link/Activity Green The port is operating at 1000 Mbps.
Amber The port is operating at 10/100
Mbps.
Solid Link but no activity.
Blinking Link and activity.
Off No link.
Duplex Green Full-duplex mode.
Off Half-duplex mode.
Link/Activity Duplex