QX-S5500 Series Ethernet Switches
1
1.3.4 Combo Port
One SFP port and the corresponding 10/100/1000Base-T Ethernet port form a Combo port.
For each Combo port, either the SFP port or the corresponding 10/100/1000Base-T
Ethernet port can be used at a time. For details about the combo port mapping relationship,
please refer to Table 1-5.
Table 1-5 Combo port mapping relationship
Model SFP ports 10/10/1000BASE-T ports
QX-S5526P
QX-S5526P-D
QX-S5550P
QX-S5526T
NOTE:
The SFP port and its corresponding 10/100/1000Base-T autosensing Ethernet port cannot be used together at
the same time.
1.4 LED
1.4.1 System Status LED
The system status LED helps you determine the working status of the switch. Refer to Table
1-6 for the details.
Table 1-6 System status LED description
LED Status Description
PWR
The switch is started normally. (powered on)
Flashing green (1 Hz)
The system is performing Power-On Self Test (POST) or
downloading software image.
POST failed or other system failed.
POST on some ports failed.
The switch is powered off.
1-8
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