1-40 Product Overview
DB-9 Serial (Standard UART)
The USBCentric I/O Board provides one full RS-232 serial port (Standard UART)
through a DB-9 connector. The port has a shunt to select between +12V (default), +5V, or
normal RI functionality. Maximum power capability is 1A from this port. The power
output from this port is protected by a self-healing fuse.
Pin Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
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