X-Nico

2 unusual facts about IBM 37xx


Front end processor

Although the IBM Corporation withdrew its 3745/3746 Communications Front End Processors from marketing in 2003, the company continues to maintain the estimated 20,000 installed front end processors.

IBM 37xx

3705 — the oldest of the family, introduced in 1972 to replace the non programmable IBM 270x family.


IBM 3745

The IBM 3745 is the latest and last of a 37xx family of communications controllers for the IBM mainframe environment.


see also