Product Overview 1-41
RJ50 Serial (Enhanced UART)
The USBCentric I/O Board provides one full RS-232 serial port (Enhanced UART)
through an RJ50 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 NC
2 DCD
3 DSR
4 RXD
5 RTS
6 TXD
7 CTS
8 DTR
9 GND
10 RI
The RJ50 can be converted to DB9 using these Serial Adapter Cables:
• 1432-C304-0003 — RJ50 (10–pin) to DB9 (0.30m)
• 1432-C337-0007 — RJ50 (10–pin) to DB9 (0.65m)
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