NavCom SF-2040 Rev.C - Manual (Page 28)

LAND-PAK™ User Guide – Rev. C
The LED indicators provide a quick status view of
both the radio channel and the serial interface with
the GPS.
The CTS LED illuminates when the radio modems
are powered on. Refer to Table 1 for LED indications.
Table 1: Radio Modem LED Indications
LED Description Active Status
RTS Request To Send Red
CTS Clear To Send Red
TD
Transmit Data
(Input of the data
to be transmitted
from the DTE to
the radio modem.)
Red = data transmit
Green = test Tx active
RD
Receive Data
(Output of the
data received
from the radio
modem to the
DTE.)
Red
CD
Carrier Detect
(radio status)
Red = transmission
Orange = noise
Green = reception
2-24