GFU30 User Guide
Version 1.0
13
7.2
LED indicators
SYMBOL
LED NAME
COLOR
DESCRIPTION
Mode
Red
Active if modem switched to Programming mode
Rx/Tx
Green
Active if modem receives or transmits data over the
serial interface (min. light on 200 ms)
Link
Red
Active whenever an identifiable data message exists
on the radio channel. (min. light on 200 ms)
Power
Green
Active if Power connected to modem
Figure 2.2 Led indicators
