47
NOTE:
x You can use a HPE X140 40G QSFP+ MPO SR4 or HPE X140 40G QSFP+ MPO MM 850nm
CSR4 300m transceiver module to connect a QSFP+ port to four SFP+ ports. The QSFP+
transceiver module and SFP+ transceiver modules to be connected must be the same in
specifications, including central wavelength and fiber type.
x As a best practice, use Hewlett Packard Enterprise transceiver modules and network cables for
the switch. Hewlett Packard Enterprise transceiver modules and network cables are subject to
change over time. For the most up-to-date list of Hewlett Packard Enterprise transceiver modules
and network cables, contact Hewlett Packard Enterprise Support or marketing staff.
x For more information about the transceiver modules and network cables, see Transceiver
Modules User Guide.
LEDs
System status LED
The system status LED shows the operating status of the switch.
Table 23 System status LED description
LED mark Status Description
SYS
Steady green The switch is operating correctly.
Flashing green The switch is performing power-on self test (POST).
Steady red
The system has failed to pass POST or has problems such as fan
failure.
Flashing blue (3 Hz)
Helps you to locate the switch.
To locate the switch in the rack, execute the
locator blink
blink-time
command. The LED then flashes blue at 3 Hz.
Off The switch is powered off or has failed to start up.
QSFP28 port LED
Table 24 QSFP28 port LED description
LED status Description
Steady green
A transceiver module or network cable has been correctly installed. The port
has a link and is operating at 100 Gbps.
Flashing green The port is sending or receiving data at 100 Gbps.
Steady yellow
A transceiver module or network cable has been correctly installed. The port
has a link and is operating at 10 Gbps or 40 Gbps.
Flashing yellow (3 Hz) The port is sending or receiving data at 10 Gbps or 40 Gbps.
Off
No transceiver module or network cable has been installed or no link is present
on the port.
SFP+ port LED
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