On 12/13/2016 10:08 AM, Jim Haynes wrote: > I'm gonna leave it to you to look for pictures of same. Like this... <http://bitsavers.informatik.uni-stuttgart.de/pdf/westernElectric/telephony/brochures/DataSpeed_Brochure_Apr64.pdf> -- Jeff-1.0 wa6fwi http://www.foxsmercantile.com