Iss. a – Translation of the original version
Doc. Ref. : SOUND2.940.001
The power supply cable (which the customer is responsible for supplying) must be fitted with a
protective earth conductor and connected to earth.
The customer’s power cable must be connected to the connector supplied by HASLER Group. The
connector on the unit must not be unscrewed/removed.
Figure 13: Connecting the power cable
5.3.2. Microphone cable (use a shielded 2-wire cable)
5.3.2.1. Preparing the microphone cable
When preparing the microphone cable, it is essential to take into account the continuity of the shielding.
Check the impedance of the microphone (< 50 Ohms using a multimeter and around 300 Ohms using an audio
analyser).
It is essential that the microphone cable is protected against electromagnetic interference and that
it is routed in a different cable rack from the power cables (especially the motor cable rack).
The length of cable required is determined by the distance between the microphone and the unit and the
path it takes (maximum 200 m).
The cable must be protected by a sheath all the way to the microphone connector.
5.3.2.2. Connecting the microphone cable on the microphone end
The part number of the connector (comprised of 6 components) is DELTRON 592-0301.
Figure 14: DELTRON 592-0301 connector
1. Insert the two plastic parts into the body of the connector.
Figure 15: Microphone cable (two wires with shield) - Connector assembly
2. Insert the cable inside the connector.
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