
B&B Electronics, Inc. AirborneM2M™ User Manual
12 1/9/2014
5.0 Pinout and Connectors
The following defines the pinouts for the wired interfaces.
5.1 Serial Ports
The AirborneM2M™ unit supports two serial ports. The Port pinout can change
depending upon the interface configuration chosen. Table 1 shows the pinout for
the interface selected.
Figure 2- DE-9 (DB-9) Connector Pin-out
Table 1–Serial Port Pin Definition
1. For 2-wire operation, the user must externally connect pin 3 to pin 2 and
pin 6 to pin 9.
The Port 1 and Port 2 interfaces support the following configurations:
BAUD: 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400,
57600, 115200, 230400, 460800, 921600
Flow Control: None, Hardware (CTS/RTS), Software (XON/XOFF)
Port 1 Default settings: 9600, 8, N, 1, No Flow Control.
Port 2 Default settings: 9600, 8, N, 1, No Flow Control.
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