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ALLEGRA 56
U.S. ROBOTICS, INC.
ALLEGRA 56
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Card Type
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Network Adapter
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NIC Type
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Frame relay
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Maximum Onboard Memory
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Unidentified
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Boot ROM
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Unavailable
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Network Transfer Rate
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56Kbps
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Data Bus
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16-bit ISA
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CONNECTIONS
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Function
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Label
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RJ-45 interface
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CN1
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DMA CHANNEL SELECTION
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Channel
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JP2/A
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JP2/B
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JP2/C
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JP2/D
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JP2/E
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JP2/F
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0
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Open
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Open
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Open
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Closed
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Open
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Open
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| »
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1
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Open
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Open
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Open
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Open
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Closed
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Open
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3
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Open
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Open
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Open
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Open
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Open
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Closed
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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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Open
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Open
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6
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Open
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Closed
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Open
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Open
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Open
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Open
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7
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Closed
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Open
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Open
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Open
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Open
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Open
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DMA CHANNEL SELECTION (CONT.)
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Channel
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JP2/G
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JP2/H
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JP2/I
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JP2/J
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JP2/K
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JP2/L
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0
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Open
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Open
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Open
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Closed
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Open
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Open
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| »
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1
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Open
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Open
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Open
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Open
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Closed
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Open
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3
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Open
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Open
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Open
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Open
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Open
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Closed
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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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Open
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Open
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6
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Open
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Closed
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Open
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Open
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Open
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Open
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7
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Closed
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Open
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Open
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Open
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Open
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Open
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BASE I/O ADDRESS SELECTION
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Setting
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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200h
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On
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On
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On
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On
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220h
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On
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On
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On
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Off
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240h
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On
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On
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Off
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On
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260h
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On
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On
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Off
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Off
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280h
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On
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Off
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On
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On
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2A0h
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On
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Off
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On
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Off
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2C0h
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On
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Off
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Off
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On
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2E0h
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On
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Off
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Off
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Off
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300h
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Off
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On
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On
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On
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320h
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Off
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On
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On
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Off
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340h
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Off
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On
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Off
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On
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360h
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Off
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On
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Off
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Off
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380h
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Off
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Off
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On
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On
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3A0h
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Off
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Off
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On
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Off
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3C0h
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Off
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Off
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Off
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On
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3E0h
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Off
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Off
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Off
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Off
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INTERRUPT SELECTION
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IRQ
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JP1/A
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JP1/B
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JP1/C
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JP1/D
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JP1/E
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JP1/F
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IRQ5
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Open
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Open
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Open
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Open
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Open
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Closed
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IRQ9
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Open
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Open
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Open
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Open
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Closed
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Open
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IRQ10
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Open
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Open
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Open
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Closed
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Open
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Open
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IRQ11
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Open
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Open
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Closed
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Open
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Open
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Open
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IRQ12
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Open
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Closed
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Open
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Open
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Open
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Open
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IRQ15
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Closed
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Open
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Open
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Open
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Open
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Open
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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LED1
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Yellow
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Off
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Normal operating state
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LED1
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Yellow
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Blinking
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Loopback test is occuring
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LED2
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Green
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Off
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Frame relay network link is broken
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LED2
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Green
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Blinking
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Frame relay link is established but unstable
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LED2
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Green
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On
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Frame relay network link is good
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