2250 termination

[norman77]

Hi:

I am planning to move a 2250 console from one location to another. I know the primary TN and the back up as well as the 2 power TNs.
However, the cable form the console has 6 pairs terminated in the bix block. I am not sure if the other 2 pairs are redundant.
Does anyone have a mapping of how the console cable should be terminated.

Thanks in advance.

 

[johnpoole]

those are the only 4 pair you'll need to bring the console back up.. and i usually skip the power tn's unless the 2250 is 200 ft or more from the switch

john poole
bellsouth business
columbia,sc

 

[norman77]

Thanks John,

In the location where the console is going to be placed I will need to re-terminate the console cable.

Could you tell me which color cables that are terminated on the D-type console connector should be terminated to the Primary, Backup and Power TNs.

Thanks again.

 

[johnpoole]

white blue white orange for the two tn's then battery and groung go to red green orange red green, b+ on both sides of the red green and b- on both sides of the red orange.

john poole
bellsouth business
columbia,sc

 

[norman77]

Thanks again:

Are there any distance limitations?

Also, could someone refer me to a document that would have a diagram of the cross-connects.

So far it's clear to me that:

Blue pair is the primary TN
Orange pair is the secondary TN
I am not sure which pairs are for power TNs, battery or power fail line.