> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Mario Lobo > Sent: Wednesday, January 30, 2008 5:22 PM > To: Warren Block > Cc: [EMAIL PROTECTED] > Subject: Re: Serial port question > > > On Wednesday 30 January 2008 21:42:28 you wrote: > > On Wed, 30 Jan 2008, Mario Lobo wrote: > > > I am doing some experiments with the WL5460AP. I doesn't have a serial > > > connector but the RTL8186 does have a UART and the circuit > board has a 4 > > > pin connector (4-3.3V, 3-TXD, 2-RXD, 1-GND) to the UART.
When you plugged in to this port, did you insert 1488 and 1489 line driver/line receiver chips? RS232 serial data is +12V ~ -12V and that UART output is undoubtedly TTL 5v+ signal level. Hopefully you didn't fry the port. Ted _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"