Installation Manual
Quidway S3900 Series Ethernet Switches
Chapter 1 Product Overview
Huawei Technologies Proprietary
1-10
(1)
(2)
(3)
(4)
(5)
(8)
(6)
(7)
(1)
(2)
(3)
(4)
(5)
(8)
(6)
(7)
(1) 24 x 10/100 Mbps Ethernet port status LEDs
(2) Two 1000 Mbps SFP port status LEDs
(3) Two 10/100/1000Base-T Ethernet port status LEDs
(4) Console port
(5) 7-segment digitron display
(6) Mode button
(7) Port mode LED
(8) AC-input power LED
Figure 1-5
Front panel of the S3928TP-SI
II. LEDs
The S3928TP-SI provides one AC-input power LED, one port mode LED, one
7-segment digitron display, 24 x 10/100 Mbps Ethernet port status LEDs, two SFP port
status LEDs, and two 10/100/1000 Mbps Ethernet port status LEDs on its front panel.
You can learn how it operates by reading the LEDs as shown in Table 1-7.
Table 1-7
LEDs on the front panel of the S3928TP-SI
LED
Mark
Color
Indicates
Solid green
The system passes the
Power-On Self-Test (POST)
and is operating normally.
Flashing green (1 Hz)
The system is going through
the POST or is downloading
software.
Solid red
The POST of the system fails
or a serious fault is detected.
Flashing yellow (1 Hz)
Some ports fail to pass the
POST and some functions
are disabled.
Power
LED
PWR
OFF
The power is disconnected.
Speed Solid
green
Speed of the 10/100 Mbps
ports, state of the 1000 Mbps
SFP ports, or fabric state.
Mode
LED
Mode
Duplex Solid
yellow
10/100 Mbps duplex mode,
state of the 1000 Mbps SFP
ports, or fabric state.