Db-9 Connector; Jtag Interface - Digi Connect SP Hardware Reference Manual

Hardware

DB-9 connector

The figure and table provide information on DB-9 pin orientation and pin assignments.
DB-9 pin orientation
DB-9 pin assignments
Pin EIA-232 EIA-422/485 Full-Duplex
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 NA

JTAG interface

The Digi Connect SP Development Kit is provided with the case opened, providing access to the JTAG
interface which mates with a JTAG debugger plug; for example, the Macraigor Raven included in the
Development Kit.
Digi Connect SP and Digi Connect Wi-SP Hardware Reference
CTS-
RXD+
TXD+
RTS-
GND
RXD-
RTS+
CTS+
TXD-
EIA-485 Half-Duplex
Not used
RXD+
TXD+
Not used
GND
RXD-
Not used
Not used
TXD-
DB-9 connector
10