Dell POWEREDGE M1000E - Manual (Page 90)

90 Hardware Overview
SFP+ Port LEDs (PowerConnect M6348 and M8024-k)
Each integrated SFP port on the PowerConnect M6348 switch includes two
LEDs. Table 3-3 contains SFP port LED definitions for the PowerConnect
M6348.
Each integrated SFP port on the PowerConnect M8024-k switch includes one
LED. Table 3-3 contains SFP port LED definitions for the PowerConnect
M8024-k.
Table 3-2. PowerConnect M6348 SFP+ Port LEDs Definitions
LED Color/Activity Definition
LNK Green solid The port is linked.
Off The port is not linked.
ACT Green blinking The port is sending and/or receiving network
traffic.
Table 3-3. PowerConnect M8024-k SFP+ Port LEDs Definitions
LED Color/Activity Definition
LNK/ACT Green solid The port is linked.
Green blinking The port is sending and/or receiving network
traffic.
Off The port is not linked.