The computer was plugged into am APC UPS unit. ... <BR><BR>Anyway the cable modem is an RCA unit from Comcast (formerly ATT Broadband and MediaOne even before that).

Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.

Both the ACE Flight™ 2780 AMU and ACE Flight™ 4783 Dual MODMAN are RTCA DO-160G qualified, compliant to industry standard ARINC 791 and 792 Ku/Ka Band Satellite Communication System, and are ...