European Community - HP J4091A Installation And Reference Manual

HP 100Base-T Hub 8 Installation and Reference Guide
Korea
The top statement is for Class A products. The bottom statement is for
Class B products.

European Community

This equipment complies with ISO/IEC Guide 22 and EN55022 Class A
with unshielded cables and EN55022. In a domestic environment, this
product may cause radio interfe ence, in which case the user may be
required to take adequate measures.
D-12 Safety and Regulatory Statements