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Appendix A – MAs for VF-25 Voice Module
Intraplex VF-25 Voice Module
Version 7.1, November 2009
GatesAir, Inc.
A-35
Intraplex Products
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JMP2 and JMP10 determine the type of signaling for channel 2.
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JMP3 and 11 control channel 3.
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JMP4 and JMP12 control channel 4.
Type I is the factory default signaling type installed on the MA-309. Figure A-22 shows the jumpers
and the settings that manage E&M signaling.
Figure A-22. MA-309 Jumper Settings for Signaling Type Selection
The remaining four jumpers, JMP5, JMP6, JMP7, and JMP8, control the output level for channels 1
through 4:
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Jumper 5 (JMP5) controls the fixed output levels for channel 1.
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JMP6 determines the output for channel 2.
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JMP7 controls channel 3.
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JMP8 controls channel 4.
Table A-41 shows the jumper settings that control output levels. Table A-42 shows the selectable
attenuation control for nominal input levels of -16 and 0 dBm from voice frequency modules used with
the MA-309 module adapter.
Содержание Intraplex VF-25
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