SuperViewVision RS232 Serial Computer Cable DB9 9-Pin Female RJ-11 Connector

hi my name's Vince from mr. telephone and today I'm going to talk about the RJ series of checks so the CRJ ten rj11 RJ 12 and rj45 now strictly speaking it shouldn't be called the RJ series because that's confusing because in America they might be known as difference and rj 9 will be the same thing as an RJ 10 and it causes an awful lot of confusion so I'm also going to talk about that the the proper name for them which for us up for example a large a 10 would be a 4 P 4 C or a 4 P 2 C depending on how many contacts the the plug has I'm also going to give an example of each one of these plugs and the measurement of them as well so if you need to replace your lead for whatever it is your phone system or your telescope these leads are used in so these plugs are used in so many different applications in the UK so then you're going to know what you're talking about because it does cause an