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VBX 1200
NATURAL MICROSYSTEMS CORPORATION
VBX 1200
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Card Type
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Telephony
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Chip Set
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TI 320C10
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I/O options
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MVIP bus
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Data Bus
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16-bit ISA
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Note:
S1 is located on the back of the daughterboard.
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CONNECTIONS
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Function
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Label
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Function
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Label
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MVIP bus
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JP1
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Daughterboard headers
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JP3, JP4
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Note:
Exact location of headers is unidentified.
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USER CONFIGURABLE SETTINGS
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Setting
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Label
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Position
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Interrupt resistor enabled
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JP5/A
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Closed
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Interrupt resistor disabled
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JP5/A
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Open
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Factory configured - do not alter
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S1/5
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Off
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Factory configured - do not alter
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S2/5
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Off
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Note:
If multiple boards are installed in a system, only one board should have JP5/A closed.
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BASE I/O ADDRESS (MAIN BOARD)
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Setting
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S2/1
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S2/2
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S2/3
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S2/4
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100h
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On
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On
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On
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On
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140h
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Off
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On
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On
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On
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180h
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On
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Off
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On
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On
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280h
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Off
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Off
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On
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On
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500h
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On
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On
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Off
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On
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540h
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Off
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On
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Off
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On
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580h
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On
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Off
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Off
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On
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680h
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Off
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Off
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Off
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On
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900h
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On
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On
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On
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Off
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940h
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Off
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On
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On
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Off
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980h
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On
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Off
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On
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Off
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A80h
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Off
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Off
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On
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Off
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D00h
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On
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On
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Off
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Off
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D40h
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Off
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On
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Off
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Off
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D80h
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On
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Off
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Off
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Off
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E80h
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Off
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Off
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Off
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Off
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BASE I/O ADDRESS (DAUGHTERBOARD)
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Setting
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S1/1
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S1/2
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S1/3
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S1/4
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100h
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On
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On
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On
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On
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140h
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Off
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On
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On
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On
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180h
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On
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Off
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On
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On
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280h
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Off
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Off
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On
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On
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500h
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On
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On
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Off
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On
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540h
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Off
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On
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Off
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On
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580h
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On
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Off
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Off
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On
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680h
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Off
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Off
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Off
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On
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900h
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On
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On
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On
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Off
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940h
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Off
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On
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On
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Off
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980h
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On
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Off
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On
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Off
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A80h
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Off
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Off
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On
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Off
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D00h
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On
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On
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Off
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Off
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D40h
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Off
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On
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Off
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Off
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D80h
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On
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Off
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Off
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Off
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E80h
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Off
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Off
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Off
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Off
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MVIP VOICE TRANSMISSION STREAM
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Setting
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JP6/A
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JP6/B
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JP6/C
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JP6/D
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Channel 0
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Closed
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Open
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Open
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Open
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Channel 2
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Open
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Closed
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Open
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Open
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Channel 4
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Open
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Open
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Closed
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Open
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Channel 6
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Open
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Open
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Open
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Closed
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MVIP DATA TRANSMISSION STREAM
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Setting
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JP6/E
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JP6/F
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JP6/G
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JP6/H
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Channel 1
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Closed
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Open
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Open
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Open
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Channel 3
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Open
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Closed
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Open
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Open
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Channel 5
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Open
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Open
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Closed
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Open
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Channel 7
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Open
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Open
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Open
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Closed
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MVIP VOICE RECEIVE STREAM
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Setting
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JP9/A
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JP9/B
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JP9/C
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JP9/D
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Channel 0
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Closed
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Open
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Open
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Open
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Channel 2
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Open
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Closed
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Open
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Open
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Channel 4
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Open
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Open
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Closed
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Open
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Channel 6
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Open
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Open
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Open
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Closed
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MVIP DATA RECEIVE STREAM
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Setting
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JP9/E
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JP9/F
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JP9/G
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JP9/H
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Channel 1
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Closed
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Open
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Open
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Open
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Channel 3
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Open
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Closed
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Open
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Open
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Channel 5
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Open
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Open
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Closed
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Open
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Channel 7
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Open
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Open
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Open
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Closed
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MVIP STREAMS (MAIN BOARD)
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Setting
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S2/6
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S2/7
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S2/8
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0-5
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Off
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Off
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Off
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6-11
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On
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Off
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Off
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12-17
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Off
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On
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Off
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18-23
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On
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On
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Off
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24-29
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Off
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Off
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On
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Disabled
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On
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On
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On
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MVIP STREAMS (DAUGHTERBOARD)
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Setting
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S1/6
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S1/7
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S1/8
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0-5
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Off
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Off
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Off
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6-11
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On
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Off
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Off
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12-17
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Off
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On
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Off
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18-23
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On
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On
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Off
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24-29
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Off
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Off
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On
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Disabled
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On
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On
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On
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INTERRUPT
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Setting
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JP5/B
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JP5/C
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JP5/D
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JP5/E
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JP5/F
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JP5/G
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JP5/H
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JP5/I
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IR/FONT>
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0pen
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0pen
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0pen
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0pen
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Closed
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0pen
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0pen
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0pen
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IRQ3
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Closed
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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IRQ4
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0pen
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Closed
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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IRQ5
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0pen
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0pen
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Closed
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0pen
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0pen
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0pen
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0pen
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0pen
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IRQ7
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0pen
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0pen
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0pen
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Closed
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0pen
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0pen
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0pen
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0pen
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IRQ11
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0pen
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0pen
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0pen
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0pen
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0pen
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Closed
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0pen
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0pen
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IRQ12
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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Closed
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0pen
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IRQ15
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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0pen
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Closed
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Note:
If multiple boards are installed in a system, assign them all the same IRQ.
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