Hard specs are hard to verify (scene ops are famously private), but veteran logs and forum posts point to:
The legacy of "Starplex"—whether viewed as a pioneering hardware system or a fictional titan of data—highlights our enduring obsession with storage and transfer. From the 1971 publication of RFC 114 to today’s multi-terabyte private mirrors, FTP servers remain the foundational "mailboxes" of the digital age. FTP's Bright Sunset and Frozen Night - ASCII by Jason Scott