Dell PowerEdge M420 Configuration Manual page 92

SFP+ Port LEDs
Table 3-5 contains LED definitions for SFP+ port on the plug-in module
available for PowerConnect M6220, M6348, M8024, and M8024-k switches.
Table 3-5. SFP+ Port LEDs Definitions
LED Color/Activity
LNK/ACT
Green solid
Green blinking
Off
XFP Module Port LEDs (PowerConnect M6220 Only)
The XFP connectors are on the XFP module when it is inserted in the
PowerConnect M6220. Table 3-6 contains XFP port LED definitions.
Table 3-6. XFP Port LEDs Definitions
LED Color
XFP Green
Green blinking
Off
92
Hardware Overview
Definition
The port is linked.
The port is sending and/or receiving network
traffic.
The port is not linked.
Definition
The port is linked.
The port is sending and/or receiving network
traffic.
The port is not linked.