9
Connecting the optical microphone
왘
Before connecting the optical microphone, remove the protections caps
from the microphone connections
and
of the central unit. Keep the
protection caps in a safe place for reuse during transport or storage. They
protect the microphone connections against dirt.
왘
Connect the duplex connector of the professionally ready-made cable to
the microphone connections
and
of the central unit. Please observe
the correct insertion direction of the connector. The duplex connector is
connected the correct way round when the label
on the connector is
facing downwards as shown.
왘
Connect the fiber optic connector
with the professionally ready-made
cable to the weather and windshield.
Note:
Make sure that at least 15 cm of the fiber optic cable, starting from the
radiation source, is outside the explosion-hazardous area.
Risk of damage to fiber optic cable!
Fiber optic cable must not be bent like conventional cable!
왘
When installing fiber optic cable, make sure not to bend it
beyond a
bend radius
of 50 mm.
CAUTION!
Signal loss!
A wrong polarity will reduce the signal strength.
왘
When connecting the microphone, please observe correct
polarity.
CAUTION!
Liquids can damage the electronics!
Liquids entering the housing of the device can cause a short-
circuit and damage the electronics.
왘
For outdoor applications, use only a suitable cable together
with the supplied fiber optic connector
.
CAUTION!
OPTICAL MIC
INPUT
C
7
