MDF cross connection block test clips
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Posted by James Knott on July 21, 2005, 7:39 pm
Please log in for more thread options Does anyone know of test clips for the 100 pair MDF type cross connection blocks? I've seen some for type 66 blocks, but I'm not sure if they'd be suitable. tnx jk | ||||||||||||||||
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Posted by Justin on July 21, 2005, 6:14 pm
Please log in for more thread options If you're talking a 110 style cross connect block, the most you're going to get is 25 pair. If so, Siemon used to have a 25pair 110 to go with their 66, but it's gone. I had to get some from a specialty house, but they were available through Anixter. LINK: http://www.independenttech.com/ITC-3012.htm James Knott wrote: | ||||||||||||||||
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Posted by James Knott on July 22, 2005, 1:06 am
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Justin wrote: > If you're talking a 110 style cross connect block, the most you're going
> to get is 25 pair. If so, Siemon used to have a 25pair 110 to go with > their 66, but it's gone. I had to get some from a specialty house, but > they were available through Anixter. What I'm referring to, is the 100 pair cross connection blocks, used on the main distribution frame in a central office. They're nothing like a 110 block. I suspect the pins may be similar to a 66 block, but as I don't have one handy for comparison, I can't say for certain. The reason I need this, is I'm working on some dslam shelves for an ISP, co-located in a telephone company's offices. One end of the cables are terminated in 32 pair connectors, that plug into the dslam cards, but the other end, are connected to those 100 pair blocks, located on the phone company's frame. The proper clips would make it a lot easier to test the cables. | ||||||||||||||||
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Posted by Justin on July 25, 2005, 4:32 pm
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James Knott wrote: > Justin wrote:
> > >>If you're talking a 110 style cross connect block, the most you're going
>>to get is 25 pair. If so, Siemon used to have a 25pair 110 to go with >>their 66, but it's gone. I had to get some from a specialty house, but >>they were available through Anixter. >
hmmm...well the only thing I can think they would be are 66 blocks or
> > What I'm referring to, is the 100 pair cross connection blocks, used on the > main distribution frame in a central office. They're nothing like a 110 > block. I suspect the pins may be similar to a 66 block, but as I don't > have one handy for comparison, I can't say for certain. The reason I need > this, is I'm working on some dslam shelves for an ISP, co-located in a > telephone company's offices. One end of the cables are terminated in 32 > pair connectors, that plug into the dslam cards, but the other end, are > connected to those 100 pair blocks, located on the phone company's frame. > The proper clips would make it a lot easier to test the cables. > > binding post (twist on) type. Those I'm not very familiar with other than knowing they exist. | ||||||||||||||||
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Posted by James Knott on July 25, 2005, 8:00 pm
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Justin wrote: > hmmm...well the only thing I can think they would be are 66 blocks or
> binding post (twist on) type. Those I'm not very familiar with other > than knowing they exist. These are fairly large blocks, with 100 pairs of punch down terminals on the front and either wire wrap or connectors for the equipment cables on the back. You'll generally find them only in central offices, where high pair density is desired. On larger frames, they'll be arranged vertically on one side of the frame and horizonally on the other. Smaller frames will usually have only the vertical blocks on one side. When mounted on the frame, they fit right next to one another. They also have a hinged cover. The cross connect wires come out of the side, and travel through rings attached to the frame. The rings are installed on the back or horizontal side of the frame. | ||||||||||||||||
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> blocks? I've seen some for type 66 blocks, but I'm not sure if they'd be
> suitable.
>
> tnx jk
>