RJ46 JACKS!!

CATAWBA911 · Post by **CATAWBA911** » Tue Jul 02, 2002 7:09 am

DOES ANYONE KNOW OF ANY COMPANIES THAT MAKE AN RJ45 JACK THAT HAS 10 PIN CONNECTOR??? I NEED HELP ON THIS. NEED IT FOR A CDM1550.

Monty · Post by **Monty** » Tue Jul 02, 2002 8:06 am

Hi:

You really should be able
to find that just about anywhere.

They are very common.

Since I do not know what
area of the country you
are in, its tough to make
a recommendation

I have a source if youare not
able to turn one up loacally..

Do you have a Computer Store or Radio Shack
nearby?

Monty

CATAWBA911 · Post by **CATAWBA911** » Tue Jul 02, 2002 8:17 am

I CAN FIND ALL THE 8 PIN CONNECTION JACK ALL DAY LONG. I NEED A 10 PIN CONNECTION JACK. I AM IN NORTH CAROLINA AREA

Paul · Post by **Paul** » Tue Jul 02, 2002 9:01 am

I am looking for it since Mot use it for mic connectors and head extention cables...
Still no luck, but hoping for a miracle

If you need it for mic conn, just use the ordinary 8-pin type
and ignore the two extra pins.

Paul

firemedic · Post by **firemedic** » Tue Jul 02, 2002 9:12 am

I get them from digikey. They are made by AMP. Takes a special crimp tool as well to ensure all the pins are crimped. They will fit into a standard RJ-45 crimper but it misses the 2 outside pins. Link to the info on the item from digikey is below and to digikey's main page below that. Any electronics place that handles the AMP products should be able to get them. Part # from digikey is A9129-ND AMP Part # is 5-557963-3. The crimp tool is around 200.00 last time I ordered one.

http://info.digikey.com/T022/V5/0116-0118.pdf

http://www.digikey.com

Keith Dobbins KC8RFW
Paramedic Firefighter
Computer Specialist
Vienna, WV 26105

techie · Post by **techie** » Tue Jul 02, 2002 3:29 pm

ther is no such thing as a RJ45 plug (or any other RJ type).
They are known as (4 6 8 10) pin modular jacks (MJ)..

The RJ designation only applies when a particular connector is used in
a particular configuration for a specific type of telephone application.

for instance, a 6 position modular plug is used for RJ11, RJ12, RJ14, and a couple others. it's all in how you wire it.

For those interested, there are several types of modular jacks, including
MMJ (modified modular jack), which has the locking tab offset to
one side, and was used a lot by DEC for serial ports, etc on some of the
later VT series terminals.

IIRC, RJ designations are listed in part 68 of the FCC regs.

OX · Post by OX » Tue Jul 02, 2002 4:39 pm

Funny, I've been using RJ45 plugs on Rj31X and RJ38X jacks for over ten years. They are a 8-pin plug. The 4 pin plugs are RJ11's and I forget what the 6 pins REAL designation are called since I don't use those.

The attitude is not necessary Mr Know-it-all

techie · Post by **techie** » Tue Jul 02, 2002 9:41 pm

bubbasnest wrote:Funny, I've been using RJ45 plugs on Rj31X and RJ38X jacks for over ten years. They are a 8-pin plug. The 4 pin plugs are RJ11's and I forget what the 6 pins REAL designation are called since I don't use those.

The attitude is not necessary Mr Know-it-all

I'm sorry.. Please show me the attitude in my previous posting.

As I mentioned above. The jacks themselves do not gain an RJ designation until they are wired for a specific telephone application.
As you noted, 8 position modular jacks are used for several different applications, with different RJ numbers depending on the application.

For example:
RJ31X
RJ38X
RJ45
RJ48
ethernet 10/100baseT
ethernet 100baseT4
token ring
etc..

(bonus question - what does the 'base' in 10baseT stand for?)

6 position modular jacks (which may have 2, 4, or 6 contacts) are used
for:
RJ11 (single line POTS telephone)
RJ12 (single line POTS telephone with A-lead for 1A2 KTS systems)
RJ14 (two line POTS telephone)
etc..

(POTS = Plain Old Telephone Service)

USOC codes from which the RJ designations are derived may be found in
part 68.502 of the FCC regulations.

KG6EAQ · Post by **KG6EAQ** » Wed Jul 03, 2002 12:30 am

The base just means that the ethernet signal is the only signal on the line.

(stepping up to the group soapbox)
Ok, I think everybody needs to take a quick ego check and settle down. I love reading this forum but when people get like this it sorta bugs me. When we get offended, or feel like someone has an attitude, let's write our posts, then wait an hour, re-read them and make sure it is the right thing to post.

There are a lot of smart people here, let's not offend one and lose their knowledge, it'd be a loss to everybody. Thanks!
(stepping down now... let's not use this place as a soapbox as much)

Will · Post by **Will** » Wed Jul 03, 2002 12:58 am

Or, take a break out at the Cowboy Pallace!!!!

Did you try Electronic City, in Beerbank? (for the connectors)
Some Merlin phone systems used the ten pin modular connectors.

Jonathan KC8RYW · Post by **Jonathan KC8RYW** » Wed Jul 03, 2002 10:04 am

After we are done argueing over our "modular jacks," we should start refering to Kleenex (tm) as "tissue", WhiteOut (tm) as "correction fluid", Private Line (tm) as "CTCSS", Touch-Tone (tm) as "DTMF", etc. etc. etc.

Post by **wavetar** » Wed Jul 03, 2002 11:31 am

Well, it's interesting, I never knew they didn't aquire an "RJ" designation until they were wired for a particular purpose. However, it's what 99% of people refer to them as. It even has "RJ45" written on the packages from several manufaturers. I guess you would call it the "common" name for them. Still interesting though...

Todd

Fireman211 · Post by **Fireman211** » Wed Jul 03, 2002 12:44 pm

Go to MCM Electronics

http://www.mcmelectronics.com

Search for part numbers: 36-736 for round cable and 36-666 for flat cable. (use the hyphen in the part #)

And, they list them as RJ-48 Connectors!

fireman211

ExKa|iBuR · Post by **ExKa|iBuR** » Fri Jul 12, 2002 12:16 am

Regardless of what their proper name, everyone in the industry knows exactly what you mean when you talk about an RJ11 or RJ45 jack. They are universal names. Sure, it might not be PROPER, but, is it proper to refer to Nextel iDEN radio as a cell phone?

Mike

KG6EAQ · Post by **KG6EAQ** » Fri Jul 12, 2002 1:07 am

Haha, good point Mike! I tried explaining once to a friend of mine how Nextels aren't cell phones, but it was a worthless conversation.. he couldn't understand how you could make phone calls on it and it NOT be a cell phone.. Anywho! You're exactly right, it's a name EVERYONE in the industry knows when you call it an RJ45, or RJ11.. any telcom professional would know what you were talking about. Hopefully this settles this topic. (If this all seems a little weird, it's 2AM here and I'm about to fall asleep.)

phrawg · Post by **phrawg** » Fri Jul 12, 2002 5:45 am

speaking of next-hell and IDEN , IDEN really means
I(interference), D(designed), E(exclusively), by N(next-hell)

Phrawg

grenadiers · Post by **grenadiers** » Fri Jul 12, 2002 7:41 am

What was the Question????

RJ46 JACKS!!

RJ46 JACKS!!

10 Position Jack