H3C Technologies H3C S5120 Series Switches - Manual (Page 52)

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either the SFP port or the corresponding 10/100/1000Base-T Ethernet port can be used at a time. For
more information about combo interfaces, see the Layer 2—LAN switching configuration guide for the
switch.
Table 11 Combo interface mapping relationship
Model SFP port 10/100/1000Base-T Ethernet port
S5120-28C-EI
S5120-28C-PWR-EI
S5120-24P-EI
GigabitEthernet 1/0/25 GigabitEthernet 1/0/22
GigabitEthernet 1/0/26 GigabitEthernet 1/0/24
GigabitEthernet 1/0/27 GigabitEthernet 1/0/21
GigabitEthernet 1/0/28 GigabitEthernet 1/0/23
S5120-52C-EI
S5120-52C-PWR-EI
S5120-48P-EI
GigabitEthernet 1/0/49 GigabitEthernet 1/0/46
GigabitEthernet 1/0/50 GigabitEthernet 1/0/48
GigabitEthernet 1/0/51 GigabitEthernet 1/0/45
GigabitEthernet 1/0/52 GigabitEthernet 1/0/47
LEDs
Table 12 LEDs at a glance
LED Availability
System status LED Entire series
RPS status LED Entire series
Port mode LED Entire series
Seven-segment LED Entire series
10/100/1000Base-T auto-sensing Ethernet port status LED Entire series
SFP port status LED Entire series
Interface card status LED
Entire series (except the S5120-24P-EI and
S5120-48P-EI)
System status LED
The system status LED shows the operating status of the switch.
Table 13 System status LED description
LED Status Description
PWR
Steady green The switch is operating correctly.
Flashing green (1 Hz)
The switch is performing power-on self
test (POST).
Steady red POST has failed.
Flashing yellow (1 Hz) Some ports have failed to pass POST.
Off The switch is powered off.