3Com, Control Unit, models:

100BASE-FX DISTANCE EXTENDER	Quick Start Manual
2103R-CSDI	Installation Manual
3C1770V40 - Gigabit Multilayer Switching Software Advanced Feature License	User Manual
3C1770V40 - Gigabit Multilayer Switching Software Advanced Feature...	User Manual
3C54321	Installation Manual
3CB9RG4	Quick Start Manual
BETA	Getting Started Manual
CoreBuilder 5000	User Manual
CoreBuilder 9000	Getting Started Manual
CoreBuilder 9000 ATM Interface Module	Quick Start Manual
Fast EtherLink XL PCI 10/100BASE-TX	User Manual
LINKBUILDER 3C18500	User Manual
NETBuilder II DPE 80	Manual
NETBuilder II FDDILink	Installing
SuperStack II 3C81665	Quick Reference Manual
WL-463	User Manual Installation Manual