Gai-tronics 400-003 IEC / ATEX Zone 1 RigCom Station Manual de usuario descargar pdf (Pagina 7)

Pub. 42004-460A

Model 400-003 IEC/ATEX Zone 1 RigCom Station Page: 7 of 16

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System Line Balance

Each system requires termination of the audio pair wires with the 1 k/1-watt resistor (included with each

unit). The line balance resistor assembly is easily installed into the customer-supplied junction box.

OTE: Only one line balance resistor assembly is needed per system.

For cable runs that are approximately 1219 m (4,000 feet) or longer, it is recommended that the resistor

assembly be installed in a junction box (customer supplied) that is close to the center of the system. Refer

to Figure 5 and Figure 6. The junction box must be suitable for the applicable hazardous location in

which it is located.

Figure 5. System cable wiring less than 1219 m/4,000 feet in length

Figure 6. Master/Slave System cable wiring greater than 1219 m/4,000 feet in length

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Gai-tronics 400-003 IEC / ATEX Zone 1 RigCom Station Manual de usuario Pagina 7