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echo: aust_modem
to: Peter May
from: Russell Brooks
date: 1996-04-21 15:15:54
subject: Phone plug color codes?

PM> I'm trying to reconnect an old modem thats got the plug cut

 PM> off. The phonecord fromthe modem is the 6 way type, all of them are

 PM> connected at the modem end. This must be one of those well guarded

 PM> telecom secrets because nobody can tell me the color code for

 PM> reconnecting a new plug to the cord. I've scanned Inet Uk Telecom,

 PM> Us stuff etc but our standard telecom plug doesnt seem to be used

 PM> anywhere else in the world (not the modular one) Has anyone got

 PM> this information?



If you have a 6 wire cable (3 twisted pairs)



NORMAL PHONE CABLE



pair #1

1. Blue

2. White



pair #2

1. Black

2. Red



pair #3

1. Green

2. Orange



For TYPE # CABLE



pair #1

1. Blue/White

2. White/Blue



pair #2

1. Orange/White

2. White/Orange



pair #3

1. Green/White

2. White/Green



On an RJ modular plug the 2 middle ones are use in the US and Aust

PINS 3 & 4 (Blue and White) for the building cable and actually

Red & Green for the popular Flat modular cable that is used in Aust

& US.

In the UK they use the ones one the outsides of the two middle ones.

( 2& 5 or 1 & 6, I'm not sure.)  But I do know that an American or

Australian modem  will not work in the UK unless you swap wires at

the wall plug.



BTW, New Zealand used to use a 6 wire system on there phones 8 or so

yrs back, And they may still do that, so ask a KIWI.

2 of their wires were used for switching (Mode 3 maybe)



CONFUSED...So you should be, Only authorised Cablers are suppose to

do this stuff for you.



Russell



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