Sfp28 Leds; Qsfp28 Ports; Qsfp28 Leds - Lenovo ThinkSystem NE2572 Installation Manual

SFP28 LEDs

QSFP28 Ports

QSFP28 LEDs

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Status LEDs for the SFP28 ports are described in the following table.
Table 4.
SFP28 port status LED behavior
LED State
Link Solid green
Flashing green
Solid amber
Flashing amber Packet transmitting or receiving on 10G connection
Light off
Six 100GbE QSFP28 ports are located on the front panel.
For 40 GbE connections, QSFP 28 ports can be used with QSFP+ to QSFP+
direct-attached copper (DAC) cables or QSFP+ to QSFP+ active optical cables
(AOCs).
For 100 GbE connections, QSFP 28 ports can be used with QSFP28 direct-attached
copper (DAC) cables or QSFP28 active optical cables (AOCs).
QSFP28 ports can be split into four 10 GbE, 25 GbE, or 40 GbE breakout ports.
Note: The QSFP28 ports cannot be configured in 40 GbE mode if any of the other
ports are configured in 25 GbE or 50 GbE mode.
Status LEDs for the QSFP28 ports are described in the following table.
Table 5.
QSFP28 port status LED behavior
LED State
Link Steady white
Flashing white
Steady blue
Flashing blue
Solid amber
Flashing amber Packet transmitting or receiving
Solid green
Flashing green
Light off
Functional Meaning
Secure 25 Gbps connection or link
Packet transmitting or receiving on 25G connection
Secure 10 Gbps connection or link
Link down or port disabled
Functional Meaning
Secure 100 Gbps connection or link
Packet transmitting or receiving
Secure 40 Gbps connection or link
Packet transmitting or receiving
Secure 25 Gbps connection or link
Secure 10/25 Gbps connection or link
Packet transmitting or receiving
Link down or port disabled
Chapter 2: Switch Components
25