That's an OEM unit. Plenty of people have been using those with legacy 12-volt RS-232 ports, so I wouldn't worry about it.
-- john, KE5FX > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of Darrell Robinson > Sent: Tuesday, February 12, 2008 9:49 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Trimble Thunderbolt Rs-232 Levels > > > Thanks for the quick reply. It does have the 9 pin connector (DB-9?). > > The main source of my uncertainty comes from the "ThunderBolt GPS > Disciplined Clock Manual ver. 3.0" on page 3-18. In table 3-3 > where it shows the pinouts, the protocol mentions TTL. > > Here is what my module looks like - > > > > I think I will apply power to the module and measure the levels > from the port. If it is TTL out, I will need to do a level shift > anyway to give the computer proper voltages to run it's serial port. > > Darrell > > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
