How to connect the telegraph switchboard with the telephone line patch panel
Generally use the telephone transfer box, the use of card access to the way
For the disk will be hot. I think this is not the case, I think the disk has no effect, the wire is the AC current, inside the two lines of the current direction at any time
The length of the kbg line is 1.0mm, the other is 1.2mm, the Φ. Φ. Φ. Φ.
