MES1000, MES2000 Ethernet Switches
27
Fig. 18—SFP transceiver socket appearance
Table 2.16 — Ethernet interface status light indication
LINK/ACT indicator is lit
SPEED indicator is lit
Ethernet interface state
Off
Off
Port is disabled or connection is not
established
Solid on
Off
10Mbps or 100Mbps connection is
established
Solid on
Solid on
1000Mbps connection is established
Flashes
X
Data transfer is in progress
Unit ID
(1-4) indicators are intended for identifying the number of device in a stack.
System indicators (Power, Master, Fan, RPS) are designed for displaying the operation status of
switches.
Table 2.17 —LED indication of the system indicators
Indicator name
Indicator
function
LED State
Device State
Power
Power supply
status
Off
Power is off
Green, solid
Power is on, normal device
operation
Red
At least one of the secondary power
supply units has failed.
Status
Device State
Green, solid
Normal device operation state
Red, solid
Managing or switching device
system failure
Green, red,
flashes
Device starts up No IP addresses
assigned to interfaces
Master
Marker of the
master device in a
stack
Green, solid
The device is stack 'master'
Off
The device is not stack 'master' or
stackable mode is not specified
LINK/ACT SPEED