Hey guys, another question. I searched the form before asking. There was one discussion about 415B tie line cards but it never went into how to wire them. One of the posters suggesting googling ITT 415 KTU for a service manual, but maybe in the years since the original post it was taken down because I can't find anything.

Right now I have a few 415B cards and a 3 open slots on my 620A2 KSU (changed it from a 4 line to 5 since I have the space, and many of the phones are 5 line not 4) so I figure why not use them up for fun.

I know they are designed to call to a distant location instead of inside of the same building, but just for fun would it be possible to make it call another line on the KSU locally when a key is pressed? If so how would I wire that?

Thanks

John