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

[Mark Rudholm]

So what's the connector used in RJ11 installations called?

Steph Kerman wrote:
> To add to what I said below,an RJ11 no more refers to the plug or jack than a DB25 or DE9 (or DB9 as some insist on saying) refers to a serial RS-232 port or possibly a parallel port in the case of a 
> DB25.
> 
> An RJ11 is defined as a 6 position jack terminating a customer line connecting towards the PSTN.  The 6 position jack on the back of a telephone set is NOT an RJ11 since plugging a phone into it will 
> not deliver dial tone to a phone plugged into it.  RJ11 defines a physical connection port into the PSTN, not a piece of connecting hardware.  The same applies to all other RJs when the terminology is 
> correctly used.
> 
> =SK=
> 
> Thanks for the clarification.
> 
> That has to be a moniker that someone invented, in other words, sort of
> a fiction.  It has no real legitimacy no matter how many people may use
> it, the way RJ11 and most others do.  Many people also refer to the
> handset jack as an RJ22, another mis-invention in this case since the
> RJ22 actually is a documented and defined interface that uses a 25 pair
> Amphenol mini-ribbon connector to connect to multiple lines.
> 
> Regardless of its popular use, RJ has a formal meaning.  It refers to a
> "registered jack" under the FCC program that was established to allow
> direct connection of privately owned equipment to the public network.
> Since the Bell System was never forced by the FCC to allow connection of
> privately owned equipment to their own phones at the handset interface
> (as opposed to directly to the line itself), no RJ was ever defined
> using the 4-position jack.
> 
> Steph
> 
> Mark Rudholm wrote:
>> RJ9 is the small (four conductor positions) connector
>> used on handsets and handset cords.
>>
>> (it's not normally used for phone lines, with some
>> weird exceptions, like Sangoma FXS PCI cards)
>>
>> Steph Kerman wrote:
>>   
>>> RJ9?  My Registration Service Manual jumps from RJA3 to RJ11.  What is 
>>> an RJ9?
>>>
>>> Steph
>>>
>>> Mad Mark wrote:
>>>     
>>>> I don't see any RJ9 (telephone) ports on it anywhere. How are phones hooked to such a unit??
>>>>
>>>>
>>>>
>>>>   
>>>>       
>>>>> Date: Thu, 6 Dec 2007 07:19:00 -0800
>>>>> From: ikj1234i at yahoo.com
>>>>> To: voip at ckts.info
>>>>> Subject: [VoIP] Channel Bank on Ebay [not mine] and E&M
>>>>>
>>>>>
>>>>> Currently on Ebay there's a Coastcom channel bank with
>>>>> a total of 2 T1's and 48 FXS ports.  Initial asking
>>>>> price is $19.99. [Item number: 120193396868]
>>>>>
>>>>> I have no interest in this item except that I have an
>>>>> identical Coastcom unit here which I can say is
>>>>> definitely Telco quality, *not* "consumer" grade! 
>>>>> Manuals are freely downloadable in PDF format from
>>>>> coastcom.com.
>>>>>
>>>>> Additionally I have several 4W E&M cards and I would
>>>>> be very willing to consider sending a couple of them
>>>>> (for shipping costs only) to someone on list if they
>>>>> will use them...  Each plugin card supports two
>>>>> separate 4W E&M trunks...
>>>>>
>>>>> Max
>>>>>         
>>>>   
>>>>       
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>>   
> 
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