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U+5
The U+5 Expansion Cage is a buffered 5 port extension backplane device, from Ultrasoft, originally available in the UK from DS Enterprises.
Simply connect the female slot to the QL's standard expansion port, and then you have 5 further expansion slots to hold your QL interfaces.
Title: U+5
Interface Type: Buffered Backplane
Connection: QL Expansion Port
Through-Connector: Yes
Manufacturer: Ultrasoft
Year First Sold: Unknown
Original Price: Unknown
Download Manual: Unknown
Accompanying Software: None