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VI. SET-UP
At this point, all radio enclosures should be mounted into place and wired appropriately. The radios should
automatically begin sending and receiving signals.
NOTE: Communication device types cannot be mixed. RS-485 devices must be connected to another RS-485
device; it will not receive signals to or from a RS-422 device.
To ensure unit is functioning properly, check the LED indicator lights.
LED Layout and Indications DB-9
Figure 5: LED Indicator Lights
Indicator LEDs
Yellow (top) = Serial Data Out (to host)
Green (middle) = Serial Data In (from host)
Red (bottom) = Power/TX Indicator (Red light
is on when powered; it pulses on/off briefly
during RF transmissions
Dip Switches are preset at the factory to match the protocol of the device.
For RS-485 networks, the first and last device should be terminated. See Dip Switch figure below for
configuration set up.
Dip Switch Settings
Figure 6: Dip Switches
Serial Interface
Switches 1 & 2
1
2
= Not used
= 2-wire RS-485
= 4-wire RS-422
= Restore Defaults
WRL180213 Rev. A
DB-9 Serial Port
RSSI LEDs - Strength of signal
3 LEDs ON = Very Strong Signal
2 LEDs ON = Strong Signal
1 LED ON = Moderate Signal
0 LED ON = Weak Signal
1
2
3
4
5
6
RS-485/422 Termination
Switches 3 & 4
3
4
= 2-wire RS-485
Termination
= Not Used
= None
= not used
= ON (up)
= OFF (down)
TX/RX Mode
Switches 5 & 6
5
6
= Point-to-Point
= Multipoint-Base
= Multipoint-Remote
= User Defined
9
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