COMPLIANCE
EMC AND SAFETY NOTICES
474 ENVOY™ TRANSCEIVER REFERENCE MANUAL
WARNING: A protective earth connection must be included in the mains wiring to
the 3020 Transceiver Supply.
WARNING: The protective cover must always be fitted when the 3020 Transceiver
Supply is connected to the AC mains.
Earth symbols
Chassis earth connection points are provided on the Envoy™ Transceiver and
3020 Transceiver Supply. A protective earth is provided in the AC mains wiring of
the 3020 Transceiver Supply. This protective earth must be connected at the AC
mains supply outlet. The symbols shown below are used to identify the earths on the
equipment.
Table 46: Earth symbols
Symbol Meaning
Chassis earth
Protective earth