For more information about the 1000 Mbps SFP transceiver modules, SFP+ transceiver modules, and
SFP+ DAC cables, see HP Comware-Based Devices Transceiver Modules User Guide.
Figure 52 SFP+ DAC cable
Combo interface
The H P 513 0 -24G-SFP-4SFP+ EI switch provides eight combo interfaces. A combo interface includes an
SFP port and a 10/100/1000Base-T autosensing Ethernet port. Only one of these two ports can operate
at a time.
LEDs
System status LED
The system status LED shows the operating status of the switch.
Table 19 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 switch has failed POST.
Flashing yellow Some ports have failed POST.
Off The switch is powered off.