RF-Link NL6000 - Manual (Page 15)

RF Neulink NL6000 User Guide 15
Connect a DCE device to the DB9 connector with a null modem cable wired
as shown in Figure 6.
Figure 6: DTE to DTE Connection
4.4. Antenna Connection
You must connect a suitable antenna to the RF antenna connection. This
antenna is
used for both transmitting and receiving over-the-air
messages.
Caution: Do not operate the radio modem without an antenna.
4.5. LEDs
Table 1 interprets the two LEDs on the NL6000.
LED Color Meaning
Tx/Rx Red Transmitting
Green Receiving a signal on the active channel.
None Not receiving or transmitting
Pwr Amber Blinking
Powered on
None Powered off
Table 1: NL6000 LEDs
Note: If the Rx LED is continuously green, this means an open squelch or
interference problem exists that will inhibit transmissions.
4.6. Operation
It is the responsibility of the user to obtain the proper FCC license to operate this
product on the desired channel of operation.