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QSFP28 Ports
QSFP28 Port LEDs
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Eight 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 or 25 GbE ports, two 50 GbE ports, or a single
40 GbE port.
The QSFP28 LEDs for the NE2580O are shown in the following illustration:
Figure 11. QSFP28 Port LEDs
Status LEDs for the QSFP28 ports are described in the following table.
Table 5.
QSFP28 port status LED behavior
LED
Port Mode
Status LED for
100G/4x25G
QSFP28
40G/4x10G
Note: Amber refers to both green and red LEDs being lit simultaneously.
State
Functional Meaning
Steady green
Secure 100G connection or link
Flashing green
Packet transmitting or receiving
Light off
Link down or port disabled
Steady red
Port error
Steady amber
Secure 40G connection or link
Flashing amber Packet transmitting or receiving
Light off
Link down or port disabled
Steady red
Port error
Chapter 2: Switch Components
25
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