Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 1-9
If there are two GTX units, they must both be connected to the GTN as shown in Figure 1-4. In this case,
the GTN can control both GTX #1 and GTX #2.
GTX 3X/3
XX
#1
RS232
GTX 3
X
/3
XX
#2
RS232
GTN 6XX/
7
XX
Figure 1-4. Interface between One GTN and Two GTXs
Similarly, to connect one GTX to dual GTNs, each of the GTNs needs to have an RS-232 connection to
the single GTX as shown in Figure 1-5. In this case, both GTN #1 and GTN #2 can control the
transponder.
GTN 6XX/7XX
#1
RS232
GTN 6XX/7XX
#2
RS232
GTX 3X/3XX
HSDB
Figure 1-5. Interface between Two GTNs and One GTX