Does anyone have any experience or suggestions for pinouts from a Portserver TS 8 MEI RJ 45 8pin to DB25 male DTE device listed above ?
I don’t have a Siemens (T1) Universal Host Adapter here to test, but based on your description I’d say the following cable should work for you:
http://ftp1.digi.com/support/cabling/pc_term_rj45_8pin_altpin_db25f.pdf