The system is configured as 3 virtual machines (Logical Partitions, LPARs) 
with 3 different operating systems: z/OS V. 1.5, OS/390 V. 2,7, and z/VM.
The configuration can be viewed 
 here
 
The system is used exclusively for academic education. 
It is used for class work at  the universities and colleges in 
Augsburg, Bochum, Chemnitz, Jena, Leipzig, Mittweida, Stuttgart and Tuebingen.
There are some students at other schools who use it on their own. 
At this time we have about 200 active users. 
  
Our system is named jedi.informatik.uni-leipzig.de and can be accessed 
via IP addresses 139.18.4.35, 139.18.4.36, and 139.18.4.37. 
It is a Multiprise 3000  with 4 GByte main memory and approx. 500 GByte disk storage. 
We attach via an OSA 100 Mbit/s Ethernet adapter to the university backbone
and from there directly to the DFN net maintained by the German Universities.