76343/4/5 | English, Revision 05 | Date: 23.02.2022
13
Introduction – Chapter 2
2.5 LEDs
Figure 7
LEDs
The 4 LEDs on the front represent the oper
-
ating state of the radio modem. All LEDs can
shine in three different colors: red, yellow,
blue. If all three colors are on, the LEDs color
is white.
All 4 LEDs flash white when the device is turned on or after a reset. If the LEDs
WLAN + LAN + SER blink blue either a new firmware is currently in the flashing pro
-
cess or a new configuration is activated.
Table 4
Functions of the LEDs
LED
Function
On
–
off
: No or not enough power
–
green
: Sufficient voltage connected
–
green + orange blinking
:
Standard mode
, radio modem ready
–
light blue blinking
: The radio modem has been operated with a
USB stick (s. chapter 10 on page 85) and waits for the stick to be
re-inserted.
WLAN
–
off
: WLAN option off
–
red blinking
: Radio modem is looking for suitable APs or is cur
-
rently authenticating.
–
green
: WLAN connection working OK.
–
short orange blinking:
Shows activity on the interface (sending or
receiving of data).
LAN
–
off
: No device connected to the LAN-Port
–
green
: Device connected to LAN-Port and switched on.
–
short orange blinking:
Shows activity on the interface (sending or
receiving of data).
SER
(Serial)
TCP Mode
–
off
: The interface is inactive
–
green
: A partner-device is connected to the interface.
–
short orange blinking:
Shows activity on the interface (sending or
receiving of data).
–
green blinking:
The interface is active in the TCP-
Server
Mode and
awaits a connection.
–
red blinking:
The interface is active in the TCP-
Client
Mode and
waits for a connection to the server to be established.
SER
(Serial)
UDP Mode
–
off
: The interface is inactive
–
green
: The interface is initialized and ready to receive or transmit
data.
–
green + white blinking:
White blinking shows activity (sending or
receiving of data). If continuous data is exchanged, the LED light
permanently white.
RES
(Reset)
No LED but a button, see section 3.4 on page 16.
RE
S
SER LAN
WL
AN On