# Major US Car Manufacturer Computing Environment

- ### SONET - (2) OC-48 Rings (Ameritech, MCI Metro)

- ### Metro Detroit Microwave Network

- ### 140 AA/terrestrial T1.5 circuits

- ### TCP/IP Network

- ### 30,000+ IP addresses

- ### 269 Routers

- ### 1500 Hubs

- ### 90 Terminal Servers

- ### IPX Network

- ### 15,000+ PCs, file and print servers

- ### SNA Network

- ### 45 IBM Front End Processors

- ### 20,000 Traditional 3270 devices

- ### NET T1 Network

- ### 60 IDNX Multiplexers

- ### Satellite Backup for all Assembly Plants

- ### Dial/Dial Backup

- ### 1800 modems

- ### Wide Area Networks

- ### 220 Frame Relay circuits

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