10
Mounting Instruction MACH104
Release 07 07/2014
1.1.2
Port state
These LEDs display port-related information.
1.2
Management interfaces
1.2.1
USB interface
The USB socket provides an interface for the local connection of an Auto-
Configuration Adapter. It is used for saving/loading the configuration and for
loading the software.
LED
Display
Color
Activity
Meaning
P
Working
voltage
Green
Lights up
Operating voltage is on
None
Operating voltage is too low
LED
Display
Color
Activity
Meaning
LS
Link status
None
Device detects an invalid or
missing link
Green
Lights up
Device detects a valid link
Flashes 1 time a period Port is switched to stand-by
Flashes 3 times a period Port is switched off
DA
Data traffic
Yellow
Flashing
Device is transmitting and/or
receiving data
LS
DA
2
LS
DA
1
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