Item: How to prepare a cable and to switch a PBX unit to PC.

An ordinary RS-232 interface cable will be enough for our purposes.

The serial RS-232 interface pin-out scheme

The manual for a corresponding PBX unit for sure provides a more comprehensive guide to the pin layouts

Since in most cases a standard 2m length cable is not sufficient one has to be ingenious. In practice the following solution was found: a screened twisted pair (FTP) 30 m length cable with hand-made pin-outs has proven to work reliably.

Look for pinout schemes for your PBX model in the corresponding section.

ATSlog starting from version 2.0.0 supports obtaining the PBX statistics over TCP/IP. See the documentation for details.