Huawei Quidway S2000-EI Series Installation Manual page 15

Installation Manual
Quidway S2000-EI Series Ethernet Switches
(1) MODE button
(3) A/L mode LED
(5) 16 fixed electrical ports
(7) Port LED (right)
(9) Console port
Figure 1-5 Front panel of S2016-EI
II. LEDs on S2016-EI front panel
PWR LED
Table 1-5 PWR LED on S2016-EI front panel
PWR LED
Port LEDs
Before you can understand what the port LEDs mean, you should be aware of the
functions and relationships of the MODE button and A/L and D/S mode LEDs:
1) Only one of the A/L and D/S mode LEDs can light at one time. You can
toggle between them using the MODE LED. If A/L mode LED is ON, the
yellow/green LED for each port indicates the ACTIVE/LINK state of the port;
if D/S mode LED is ON, the mode of DUPLEX/SPEED.
A/L mode LED lights each time the switch is initialized.
2)
D/S mode LED can light for a maximum of 45 seconds each time after you
3)
toggle to it; and after that, A/L mode resumes. You can also toggle to the A/L
mode before that time by pressing the MODE button.
By toggling between the A/L and D/S mode LEDs using the MODE button, you
can gather information about ACTIVE/LINK state and DUPLEX/SPEED using the
port LEDs with reference to the following table:
Mark on the
LED
front panel
PWR
(2) D/S mode LED
(4) PWR LED
(6) Port LED (left)
(8) Expansion slot
Status
The
ON
normally.
OFF The switch is not powered.
1-6
Chapter 1 Product Overview
Description
switch is being powered