NEC QX-S5500G Series - SFP+ Port LED; QSFP+ Port LED

Installation Guide
QX-S5500G Series Ethernet Switches
10. Appendix C Ports and LEDs
10-18
Table 10-19 100/1000Base-X SFP port LED description
Port mode LED
(Mode) status
SFP port LED
status
Description
Steady green (rate
mode)
Steady green
A link is present on the port and the port is operating at 1000 Mbps.
Flashing green
The port is sending or receiving data at 1000 Mbps.
Steady yellow
A link is present on the port and the port is operating at 100 Mbps.
Flashing yellow
The port is sending or receiving data at 100 Mbps.
Flashing yellow (3
Hz)
The port has failed POST.
Off
No link is present on the port.
Flashing yellow
(IRF mode)
Steady green
The SFP port LEDs on the switch work in conjunction to indicate the
IRF member ID of the switch. For example, if the LEDs for ports 1 to 5
are steady green and the other port LEDs are off, the IRF member ID
of the switch is 5.
10.3.7 SFP+ port LED
SFP+ port LED of a front panel of the QX-S5500G Series indicates operating state in a
SFP+ port.
Table 10-20 SFP+ port LED description
LED status Description
Steady green
A link is present on the port and the port is operating at 10 Gbps.
Flashing green
The port is sending or receiving data at 10 Gbps.
Steady yellow
A link is present on the port and the port is operating at 1 Gbps.
Flashing yellow
The port is sending or receiving data at 1 Gbps.
Flashing yellow (3
Hz)
The port has failed POST.
Off

No link is present on the port.

The port mode LED operates in IRF mode.
10.3.8 QSFP+ port LED
The QX-S5524GT-4X2Q and QX-S5548GT-4X2Q provide two QSFP+ ports. Each QSFP+
port has a QSFP+ port LED to indicate its operating state.