ftp.nice.ch/pub/next/system/driver/serial/Mux.1.6.s.tar.gz#/Mux/Configurations/COM1,COM2,COM3,COM4

Default.table
 
Instance0.table
 
Instance1.table
 
Instance2.table
 
Instance3.table
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.