Simple T1 questions?

[linnea.wren]

Hi,

For a T1 link to 2 remote sites, our Cisco SE spec'd a 2951 with a HWIC-4T1/E1 at the remote end, and a 3925, also with a HWIC-4T1/E1 at the central site.

In considering exactly how these things are going to connect, I've come up with some (probably) simple questions. As in:

1. Is the correct cable to connect from the demarc to the T1 card an RJ-48C cable?
   
2. Is the max length for that connection 655 feet?
   
3. How do I determine whether I need a crossover or a straight through cable for that connection?
   
4. How do I determine if I should or should not use/configure the integrated CSU?
   

Our existing T1 lines are connected using 3745s with WIC/VIC-T1 cards, but these connections were set up long ago by people long gone...

[vmiller · Accepted solution]

http://www.cisco.com/en/US/prod/collateral/modules/ps5949/product_data_sheet0900aecd80710c77.html

1. it can be. depends on how the carrier terminates the service in your facility

2. sounds about right. Wouldn't go any farther.

3. straight thru DCE - DTE

4. Why wouldn't you?  its pretty easy. I would think that doing an external would complicate things.

[linnea.wren]

Thanks, that helps...