SATELLINE-3AS and SATELLINE-3ASd
14
5.1.2
LED indicators
The five LED’s at the front of the radio modem indicate the operation of RS-interface:
LED symbol Indication
Red
Green
RTS
Status of RTS-line on port
COM1
Active
Inactive
CTS
Status of CTS-line on port
COM1
Active
Inactive
TD
Data on TD-line
Data on line No data
RD
Data on RD-line
Data on line No data
CD
Status of radio signal carrier
level
Active
Inactive
RTS indicates the state of the pin 13. The data terminal equipment (DTE) usually enables RTS
when it is ready to receive data. By default the DTE enables RTS to active.
CTS indicates the state of the pin 6. It is active when the radio modem is ready to receive data
for radio transmission.
TD indicates the radio modem is receiving data on the RS line.
RD indicates the radio modem is sending data on the RS line.
CD indicates a radio signal exceeding the sensibility level.
NOTE!
If you are using the hardware (RTS/CTS) handshake, the RTS is NOT IMPLEMENTED in the
radio modem.