---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Sun 08/03/14: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 09:30 AM - Re: icom A210 upgrade (Robert L. Nuckolls, III) ________________________________ Message 1 _____________________________________ Time: 09:30:49 AM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: icom A210 upgrade At 11:47 AM 8/2/2014, you wrote: > >Icom and their vendors state that the A210 com radio is a slide in >replacement for the A200 as long as you are not using the built in >intercom. However the A210 also outputs rs232 data on pin 1 of the >card edge connector and that pin is grounded to make the panel light >work on the A200. I can spend a lot of time trying to disconnect >that pin and hope nothing else gets interfered with in the tight >space behind my panel but I've been trying to determine if leaving >that pin grounded will actually harm the data output circuitry on >the A210? I'm not likely to ever use the data output but if someone >knows that there is little risk of leaving it grounded, I'd sure >appreciate hearing about it. It appears that Pin 1 on the A200 was ground for the panel lighting. The A210 Service Manual says the RS232 input/output is managed by an Analog Devices ADM202. In the data sheet for this part we find the statement: Emacs! It appears that nothing untoward will happen if you don't unground pin 1. Bob . . . ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message aeroelectric-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/AeroElectric-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/aeroelectric-list Browse Digests http://www.matronics.com/digest/aeroelectric-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.