atcomsystems.ca/forum Forums Wiring - Telecom Carriers - Trunks & Services Cabling Telephones Systems Wiring who sets up the 66 blocks?

Would this tutorial work with T568A or T568B when installing the Cat3 jacks? Which is used more in the real world?

install 12 cables per 66 block
you do not need the bridge clips, bridge clips would be used on phone system 66 block system cables go to one side and cross connect wires to the other side use clips to bridge together, that way you can isolate station wires from ksu for easy troubleshooting. you should find someone to teach you this as there are many things that can effect the job quality

I am going to stress what Metelcom said along with some others.

Without the basics learned through a mentor or qualified Tech you are going to have trouble. PLEASE get some hands on training before you take on this project.

Now the way you described wiring to the block is not what I prefer but it will work as long as they are labeled well. I prefer in order. 1-6 on the left 7-12 on the right.

This class on telecom does not include data wiring. That is a new subject

https://www.la-cable.com/telephone_technical.htm#USOC

No you dont use 49 and 50 or 24 and 25 for anything. they just happen to be open because the blocks were designed for 25 pairs and the IW only uses.....well you do the math LOL

Leave the bridging to the phone guy who will be installing the system. The cables dont need to be chained just terminated.

I will have someone guide me. Hopefully. I am talking with someone, but I want to learn as much as I can.

Is there a difference if the wiring is terminated 1-6 on the left, 7 to 12 on the right side? VS the way I describe it? I though that was what "grider" meant, I misunderstood.

I am having trouble understanding what the second second color sequence in a 25 pair cable:

Pair Primary (tip) Secondary (ring)
1 White/Blue Blue/White
2 White/Orange Orange/White
3 White/Green Green/White
4 White/Brown Brown/White
5 White/Slate Slate/White
6 Red/Blue Blue/Red
7 Red/Orange Orange/Red
8 Red/Green Green/Red
9 Red/Brown Brown/Red
10 Red/Slate Slate/Red
11 Black/Blue Blue/Black
12 Black/Orange Orange/Black
13 Black/Green Green/Black
14 Black/Brown Brown/Black
15 Black/Slate Slate/Black
16 Yellow/Blue Blue/Yellow
17 Yellow/Orange Orange/Yellow
18 Yellow/Green Green/Yellow
19 Yellow/Brown Brown/Yellow
20 Yellow/Slate Slate/Yellow
21 Violet/Blue Blue/Violet
22 Violet/Orange Orange/Violet
23 Violet/Green Green/Violet
24 Violet/Brown Brown/Violet
25 Violet/Slate Slate/Violet

What are they? Are they actual cables? How are the color code being use?

For terminating cabling on 66 block, do I need to worry about the 25 pairs color code?

You only need to worry about the color code if you use 25 pair cable that is what is quite often used from phone system to punch block here is my color code page see if that helps
https://www.megalink.net/~turnertech/telecomcolor.htm

There is a site where you seen a guy installing a KSU. He shows the method he uses for terminating the cables. Watch the short video he has on his site. https://www.sandman.com. This may give you a clearer picture of how is it done. All these guys responing to you are PROs and they have seen the up and downs of our craft.
And thanks for asking how? To many times i have seen someone work on a site which was a damn poor try at it

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I really appreciate the help all you guys help. Especially "grider". Thank you all.

Another question. I came across this during my searches. Its a 66 block with 12 rj11 plug/jacks.

Here is it on ebay
https://cgi.ebay.com/Siemon-66-bloc...309QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Or this

https://www.siemon.com/e-catalog/ECAT_GI_page.aspx?GI_ID=66_s66m425-128lr

WOuld this be used to bypass the need for terminating the cables? With above item, I only need to create a rj11 modular plug from the each of the 25 cables and plug it right into the rj11 jacks and the job is done. This is for information purpose.

Please comment.

Terminating to a 66 block is easy unless you don't know how, which I don't think you do yet or if you ever will. Now if you want a real nightmare on your hands start crimping mod plugs of different sizes to cables of various different grades and applications. If you get those items from ebay to make things easier you heading down a dark and lonely road.

Good Luck