thnaks! since the GM300 works with the MHN1001B does this mean that the MSF5000 will work with the speaker-phone that is originally for the maxTracs? did anybody try this combination
--- In [email protected], Richard Deering <wb9...@...> wrote: > > Mike, please contact me directly at wb9...@... thanks Rick/rjb > > --- On Sun, 9/13/09, Mike Morris WA6ILQ <wa6...@...> wrote: > > > From: Mike Morris WA6ILQ <wa6...@...> > Subject: Re: [Repeater-Builder] msf5000 microphone > To: [email protected] > Date: Sunday, September 13, 2009, 12:21 AM > > > > > > > At 06:09 PM 09/12/09, you wrote: > >what microphone will work with msf5000? > > See <http://www.repeater -builder. com/motorola/ msf/msf-index. html> > and look for the paragraph that starts with "The HMN1001B microphone" > > But are you sure you want a microphone? The MSF has no speaker > and as such was designed to use a test handset. Using a microphone > gives you no way to monitor the receiver. > > Since the MSF has a 6-wire headset / microphone / programming jack you > can use a workaround to use a more common (and hence cheaper) Maxtrac > microphone. > > I've seen a test jig made up of a 6-wire phone cord feeding a 8-pin Ethernet > style jack that was wired to match the Maxtrac mic. The pinout for that > microphone is here: > <http://www.repeater -builder. com/maxtrac/ maxtrac-index. html> > > The 8-pin baseboard style jack housing also had a DB-25 pigtail hanging > out of it that connected to the RIB box for programming the station. > See this article for info on the programming cable pinout: > <http://www.repeater -builder. com/motorola/ msf/msf-prog- cable.html> > > The 8-pin baseboard style jack also had enough room in the housing for > a 1/8 inch headphone jack, and you could plug a Radio Shack Model > 277-1008 Mini Audio Amplifier (about $20) into it. > > Or instead of the Radio Shack amplified speaker you can build your own > by taking a common mobile speaker and adding this circuit inside the > housing: <http://www.repeater -builder. com/rbtip/ audioamp. html>. > > If you used a volume control with a switch on it you could switch off the > DC power to the speaker amplifier when you weren't at the station. Then > cable the amplified speaker into the drawer; connect the audio input to the > audio pins on the 6-pin cable, pick up +12vDC for the amplifier from > any of several > places in the drawer and have a full time speaker. > > Mike WA6ILQ >
