FAA L-864 Medium Intensity Obstruction Light
Universal AC & Universal DC Models
Latest products and information available at
www.avlite.com
15
Led Fault
In the event of a singular LED fault, either open circuit or closed circuit across the LED, the
light unit will turn off all LED’s and actuate the Fault Relay.
RS232 and RS422/485 Communication (Optional)
The Obstruction Light offers a RS232 and a R2422/485 interface.
RS232
Typical 3 pin TxD, RxD and GND arrangement
RS422/485
Typical 4 pin arrangement with Termination selection and Duplex/Simplex
selection. For location details please refer to Figure 1 & 2.
Please contact Avlite for further details.
Duplex
SW3
S1
S2
OFF OFF Simplex operation
ON
ON
Duplex operation
Termination
SW4
S1
S2
OFF OFF No termination
ON
ON
120 Ohm termination
