Den Sat, 10 Feb 2007 19:35:08 +0000. skrev Maurice Janssen: > On Sat, 10 Feb 2007 19:55:31 +0100, Rune Magnussen wrote: >>Den Sat, 10 Feb 2007 18:29:15 +0000. skrev Maurice Janssen: >> >>> >>> Have you tried without the null-modem cable? IIRC you need a straight >>> cable (like you would use between computer and external modem). >> >>Yes. Since it did not work I contacted Meinberg and found out that I >>needed a cable with pins 2 and 3 crossed. That is a null-modem cable right? > > That depends on the type of connector (25 or 9 pins), they don't have > the same order (pin 2 and 3 are switched, just to make things more > complex). > > Looking at the data sheet of the C51, pin 3 is the TX pin. On a 9 pin > serial port on the PC, this needs to be connected to pin 2 (RX). > But this is not a null-modem cable but a straight cable. > > The standard setting for the C51 is rather unusual (7E2) compared to the > more common setting (8N1). Perhaps that is the problem?
Ok. I will try with an other cable. Perhaps I was just impatient waiting for a good signal. The PARSE-driver with mode 2 expects the serial line to use 7E2 according to http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver8.html Regards Rune _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
