IBM PT-2

I can confirm that this is a CE tool.? From what I remember they where used mainly by CEs in the GSD division.? The large grey lump to the left of the PT-2 is a channel adapter used for monitoring 370 channels.? The black box on the lower right is a coax switch and not part of a PT-2.? They where mainly used for monitoring communication lines and at the time when I saw one in use for that, 40 years ago, it had the advantage of being able to decode the Bisync or SDLC protocol right on the machine rather than having to send the data off to have it analyzed.? I recall that there was an attachment with multiple types of connectors for communication lines along with indicator lights for important signals.? Missing from the pictures is the external monitor and tape cartridges that contained the programs for the machine. There was also a later version of this machine that had a built in LCD display. Paul. On 2019-08-22 12:37 a.m., William Donzelli via cctalk wrote: