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Hardware installation
104275_en_c00
PHOENIX CONTACT
2-15
2.4
Use in potentially explosive areas
The PSI-MODEMSHDSL/SERIAL is designed for use in potentially explosive areas that re-
quire
category 3G equipment
.
Special conditions
Observe the specified conditions for use in potentially explosive areas.
WARNING: Explosion hazard
Install the device in suitable
housing with IP54 protection, minimum,
that meets the
requirements of EN 60079-15.
WARNING: Explosion hazard
Disconnect the block power supply
before
:
–
Snapping it on or disconnecting it.
–
Connecting or disconnecting cables.
WARNING: Explosion hazard
The
mini-USB configuration interface
may only be used if it has been ensured that
there is no potentially explosive atmosphere present.
WARNING: Explosion hazard
Connection to the
D-SUB interface
is only permitted if the screw connection is fully tight-
ened.
WARNING: Explosion hazard
Only devices which are designed for operation in zone 2 potentially explosive areas and
are suitable for the conditions at the installation location may be connected to the signal
circuits in zone 2.