Dell OptiPlex E1 - Manual (Page 70)

IC Notice (Canada only) Class B
CE Notice Class B
DMI 3.0-compliant
APM 1.1-compliant
FCC ID Class B
EN 55022 (Czech Republic only) Category B
VCCI Notice (Japan only) Class 1, Class 2
Korean Regulatory Notice Class A, Class B
NOM 024 Information (Mexico only)
Polish Center for Testing and Certification
1 For the mini tower chassis when networked
2 For the mini tower chassis when in stand-alone mode