[VoIP] Channel Bank on Ebay [not mine] and E&M

windmill windmill at topletter.com
Sat Dec 8 14:02:52 CST 2007


Yes but the heading of the page is wrong as it should simply be RJ 
Glossary!

Actually Wikipedia has a useful page on Registered Jacks and even cross 
references RJs to Modular Plugs.

 

John Novack wrote:
> Correct.
> The best reference I have found on line, though by no means complete, 
> and I have not checked it completely for accuracy, is here:
>
> http://www.arcelect.com/RJ_Jack_Glossary.htm
>
> Mentioned is the RJ-71 which is SIMILAR to what I was referencing in my 
> earlier posting, and perhaps one with built in contacts was never built
> They also do not specify in all cases the keyed/unkeyed plug, though 
> these days the keyed plug is seldom seen in use.
>
> John Novack
>
> Steph Kerman wrote:
>   
>> If I'm not mistaken, the misuse of RJ45 in the way you cited is doubly 
>> incorrect since it's used to refer to an unkeyed plug and jack whereas 
>> the RJ40 series jacks in fact use the keyed plug and jack.
>>
>> John Novack wrote:
>>   
>>     
>>> Understood, but there are many CORRECT references available to the 
>>> world, as well as recent postings to this list, way off topic though it
>>> might be!
>>> The most frequent abusers of ( this ) terminology are those in parts 
>>> of the computer field.
>>> Again, RJ45 references an application and a wiring pattern that 
>>> doesn't even apply to Ethernet T568A or B.
>>> An RJ45 is a 2 wire circuit, using pins 4&5.
>>> Thy both just HAPPEN to use the 8 position modular plug and jack, 
>>> which is also used for many electronic stations off of Key and PBX, 
>>> Merlin, Legend and Horizon to name just 3 in the US.
>>>
>>> John Novack
>>> windmill wrote:
>>>     
>>>       
>>>> John,
>>>>
>>>> Well I'm a telephone type, but a UK telephone type of some 37 years 
>>>> experience now, and RJ doesn't have the relevance here that it does 
>>>> in North America.
>>>>       
>>>>         
>>>   
>>>     
>>>       
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>>
>>   
>>     
>
>   


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