RF-Link Technology NL6000 用户手册
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.
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
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.
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.
product on the desired channel of operation.