Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!amdcad!sun!imagen!atari!portal!cup.portal.com!Geva_Apple-Maniac_Patz From: Geva_Apple-Maniac_Patz@cup.portal.com Newsgroups: comp.sys.apple Subject: Re: Apple //c Pin out Message-ID: <14876@cup.portal.com> Date: 20 Feb 89 17:22:27 GMT References: <8902191229.aa03961@SMOKE.BRL.MIL> Organization: The Portal System (TM) Lines: 17 Here's the //c pinout. It's identical for port 1 and 2. Pins are numbered in a COUNTER-CLOCKWISE direction. Pin Name Function --- ---- --------- 1 DTR Data Terminal Ready 2 TXD Transmit Data 3 GND Power and signal common ground 4 RXD Receive data 5 DSR Data set ready Hope this helps, %%%% Geva %%%% `