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LEDs
Table 1-5 LEDs
LED Device support Description
Power LED All series See “Power LED” on page 1-10.
RPS status LED
3Com Baseline Switch
2928-HPWR Plus
See “
RPS Status LED” on page
1-10.
Port mode LED
3Com Baseline Switch
2928-PWR Plus and 3Com
Baseline Switch 2928-HPWR
Plus
See “Port Mode LED” on page 1-11.
10/100/1000Base-T
auto-sensing Ethernet
port status LED
All series
See “10/100/1000Base-T
Auto-Sensing Ethernet Port Status
LED
” on page 1-11
1000Base-X SFP
interface status LED
All series
See “1000Base-X SFP Interface
Status LED
” on page1-13.
Power LED
The power LED indicates the operation status of the switch.
Table 1-6 Description of the power LED
LED Status Description
Solid green The switch functions normally.
Blinking green (1 Hz)
The system is performing power-on self test (POST) or
downloading software.
Blinking green (3 Hz)
The POST has failed or another fatal error has been
detected.
Power
Off The switch has been powered off.
RPS Status LED
The 3Com Baseline Switch 2928-HPWR Plus provides an RPS status LED on its front panel, indicating
the working status of the RPS of the switch.
Table 1-7 Description of the RPS status LED
LED Status Description
Solid green The RPS DC input is normal.
RPS
Off
The RPS unit is not connected or the RPS DC input is
abnormal.