Pub. 42004-431A
370-301 Dual Channel 600 to 30-Ohm Converter
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Figure 2. Mounting Details and Wire Entry Locations
Page 1: ...y to any third party General Information General Information The Model 370 301 Dual Channel 600 Ohm to 33 Ohm Converter allows GAI Tronics Page Party systems to interface with standard 600 ohm network...
Page 2: ...th NEC 725 55 WARNING In 24 V dc systems Under NO condition should this equipment be operated from a battery charger without the batteries connected In 24 V dc systems most chargers have an unloaded o...
Page 3: ...Pub 42004 431A 370 301 Dual Channel 600 to 30 Ohm Converter Page 3 of 9 f standard ioms current release 42004 instr manuals 42004 431a doc 09 09 Figure 2 Mounting Details and Wire Entry Locations...
Page 4: ...l Channel 600 to 30 Ohm Converter Page 4 of 9 f standard ioms current release 42004 instr manuals 42004 431a doc 09 09 Field Wiring Refer to Figure 3 69856 001 PCBA for reference to connection locatio...
Page 5: ...o connect to the ac to dc power supply in the unit Attach 6 spade lugs to the wires before attachment to the terminal blocks for the most secure connection TB2 is not used in this configuration Table...
Page 6: ...interface Table 4 33 Ohm Connections Channel 1 P6 Pin Number Pin Name Function 1 NC 33 ohm active Normally closed connection of 33 ohm output VOX detection 2 COM 33 ohm active Common connection of 33...
Page 7: ...be terminated to 33 ohms as required by the Page Party system Install the jumper in the TERM position to terminate the line Install the jumper in the NON default position to leave the line unterminate...
Page 8: ...unit is factory aligned for ideal conditions such as the 33 ohm line terminated at the unit For areas where this is not the case adjustments may be required to improve audio and sidetone levels For s...
Page 9: ...r screws and washers provided Torque the screws to 10 12 in lbs 1 13 1 36 n m Specifications AC DC Input AC Power Supply Input voltage 120 230 V ac nominal 50 60 Hz Power factor nominal 120 V ac 0 98...
Page 10: ...nel from the work site Re performance of services shall be Buyer s sole and exclusive remedy and in no event shall GAI Tronics warranty obligations with respect to services exceed 100 of the total cos...
