UAV-1004270-001
39
Rev A
Appendix A Control Interface
tailBeaconX is controlled, and optionally configured using the data interface
specified below.
Characteristics
Specifications
Physical
RS-232
Data rate
2400 bps
Parity
None
Data bits
8
Stop bits
1
Protocol
UCP-HD (RX/TX enabled by default)
UCP (disabled by default)
Apollo (RX enabled by default)
UCP-HD and Apollo are both enabled by default for use as input protocols,
and messages are processed based on the received data format.
UCP-HD is enabled for use as the output protocol. Additionally, Apollo
output is automatically enabled upon receipt of an Apollo input message.
The data rate and protocols can be configured by the UCP/UCP-HD
Transponder Configuration message. UCP or UCP-HD input is required to
be enabled to allow device configuration.
A.1 UCP-HD
uAvionix Control Protocol (UCP) and uAvionix Control Protocol
– Half
Duplex (UCP-HD) are documented in
uAvionix UCP Transponder Interface
Control Document
UAV-1002375-001. This document is made available to
authorized parties, and may be obtained by contacting uAvionix.
UCP and UCP-HD can be used to configure, control, and monitor status of
the tailBeaconX.
A.1.1 Control Message
The Control message must be supplied to tailBeaconX as documented in
the UCP ICD. Minimally, Mode A (squawk) code, IDENT, emergency state,
pressure altitude, and transponder mode are provided in this message.