Garmin GDL 39 User's Guide - Page 24

devices do not support serial pass-through such as older products like - 496

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NOTE: Secure unused wires to prevent unintentional connections. The GDL 39 has a pass-through serial connection so a serial device can be connected to a display device that has a single serial connection. Some display devices do not support serial pass-through (such as older products like the GPSMap 396/496). Figure 3-6 Serial Pass-Through Connection NOTE: If the external serial device is not used, TxA and RxA can be left unconnected. 3-6 Garmin GDL 39 Portable ADS-B and GPS Receiver User's Guide 190-11110-00 Rev. C

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3-6
Garmin GDL 39 Portable ADS-B and GPS Receiver User’s Guide
190-11110-00
Rev. C
NOTE
:
Secure unused wires to prevent unintentional connections.
The GDL 39 has a pass-through serial connection so a serial device can be
connected to a display device that has a single serial connection. Some display
devices do not support serial pass-through (such as older products like the
GPSMap 396/496).
Figure 3-6
Serial Pass-Through Connection
NOTE
:
If the external serial device is not used, TxA and RxA can be left
unconnected.