User's Manual Part 2

9
XDL Micro Intergrator’s Guide
Transmit and receive pins
The XDL Micro module uses pin 3 to receive data from an external device, such as
a computer, GPS receiver, or weather sensor, and uses pin 14 to transmit data to the
external device.
The external device transmits data to the XDL Micro transceiver on pin 3, so according to
the DTE naming convention, pin 3 is called the Tx Data pin. The external device receives
data from pin 14 on the XDL Micro transceiver, so this is called the Rx Data pin.
Antenna port
A coaxial antenna port is provided to connect the antenna system to the transceiver. The
antenna connector is a 50-Ohm MMCX type. Appendix B: Cables and Connectors, page
17 provides part numbers and manufacturer information for compatible interface and
RF connectors. Pacific Crest also provides custom manufactured cables designed to your
specific needs. For specific cabling requirements, please contact us for a quotation.
CAUTION – Do not transmit without first connecting an antenna as it may damage the
transceiver.
Compatibility
The transceiver is compatible with most modes of operation supported by the XDL,
ADL and PDL product families of radio modems. For an overview of the protocols and
modes that the transceiver supports, see Protocols and Operation Modes, page 10. The
compatibility also extends to the XDLCONF configuration software and the XDL Test
application that are supplied as part of the XDL Micro Developer’s Kit (P/N 70888-88).