Users Guide

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Network Link and Activity IndicationNetXtreme-E User’s Manual
September 4, 2019 NetXtreme-E-UG103 Page 19
BCM957414M4140D
The SFP28 port has two LEDs to indicate traffic activities and link speed. The LEDs are shown in Figure 13 and
described Tab le 9.
Figure 13: BCM957414M4140D Network Daughter Card (rNDC) Activity and Link LED Locations
Table 9: BCM957414M4140D Network Daughter Card (rNDC) Activity and Link LED Locations
LED Type Color/Behavior Notes
Activity Off No Activity
Green blinking Traffic Flowing Activity
Link Off No Link
Green Linked at 25 Gbps
Yellow Linked at 10 Gbps
Note: When a XTY28 transceiver is connected to a 25 Gbps controller and if the link establishes at
1 Gbps, the link LED is off and the activity LED will blink.