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if there's conduit from the T1 to your wiring MDF you can run a cat5 cable (that way you have an extra set of cables already run if you need to expand later).<br />
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as far as the T1 pinouts, it's just pins 1,2 and 4,5 that need to get connected, the fact that it's an RJ45 wall jack doesn't really matter. Do you have the wall jack going to a patch panel or terminated onto a 66 or 110 block somwehere?<br />
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What is a 66 or 110 block?<br />
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I found the 4 pins that serve the T1 in the telco box. &nbsp;What colored wires go to each one of the 4 pins, and how do I make sure the patch cable wiring is consistent with the same color-coded wiring scheme?
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What is a 66 or 110 block?<br />
<br />
I found the 4 pins that serve the T1 in the telco box. What colored wires go to each one of the 4 pins, and how do I make sure the patch cable wiring is consistent with the same color-coded wiring scheme?
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the patch cable wiring, you can use normal ethernet cable, only the first two pairs will be used.<br />
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<a href="http://www.joho.com/support/T1-Conn.htm" rel="ugc">http://www.joho.com/support/T1-Conn.htm</a><br />
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a 66 or 110 block is the wiring block typically you'll see in the telco room where the wires for the different phone lines are connected to each other. 
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how do I cable from an externally-mounted T1 box to a wall-mounted RJ45 jack?
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how do I cable from an externally-mounted T1 box to a wall-mounted RJ45 jack?

Telecommunication occurs when the exchange of information between two or more entities (communication) includes the use of technology. Communication technology uses channels to transmit information (as electrical signals), either over a physical medium (such as signal cables), or in the form of electromagnetic waves. The word is often used in its plural form, telecommunications, because it involves many different technologies.

Telecommunications

Networking hardware includes the physical devices facilitating the use of a computer network. Typically, networking hardware includes gateways, routers, network bridges, modems, wireless access points, networking cables, line drivers, switches, hubs, and repeaters. But it also includes hybrid network devices such as multilayer switches, protocol converters, bridge routers, proxy servers, firewalls, network address translators, multiplexers, network interface controllers, wireless network interface controllers, ISDN terminal adapters and other related hardware.