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TR112
BROOKTROUT TECHNOLOGY, INC.
TR112
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Card Type
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Fax/Telephony/T1 DSU
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Processor
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Z8
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Processor Speed
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12MHz
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Chip Set
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Unidentified
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T1 Transfer Rate
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1.544Mbps x 2
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Maximum Onboard Memory
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32K
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I/O Options
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Telephone (2)
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Data Bus
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8/16-bit ISA
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Line Type
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Loop-start, DID, T1
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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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Telephone line 1
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CN1
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External LEDs (see pinout below)
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J3
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Telephone line 2
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CN2
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J3 PINOUT
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Function
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Pin
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Function
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Pin
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Not used
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1
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Channel 2 off hook
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4
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Channel 1 off hook
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2
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Channel 2 status
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5
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Channel 1 status
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3
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+5V DC power for LEDs
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6
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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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| »
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DRQ pull-down resistor enabled
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SW1/1
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On
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DRQ pull-down resistor disabled
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SW1/1
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Off
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Note:
If multiple TR112 cards are installed in a system, SW1/1 should be turned on for only one of them.
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DMA CHANNEL
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Setting
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J31/A
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J31/B
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J31/C
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J31/D
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J31/E
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J31/F
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DMA1
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Closed
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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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DMA2
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Open
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Closed
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Open
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Open
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Closed
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Open
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DMA3
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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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Closed
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BASE I/O ADDRESS
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Setting
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SW1/2
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SW1/3
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SW1/4
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SW1/5
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SW1/6
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SW1/7
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SW1/8
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000h
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On
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On
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On
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On
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On
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On
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On
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008h
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Off
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On
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On
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On
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On
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On
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On
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010h
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On
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Off
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On
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On
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On
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On
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On
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018h
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Off
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Off
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On
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On
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On
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On
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On
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020h
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On
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On
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Off
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On
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On
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On
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On
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| »
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250h
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On
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Off
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On
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Off
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On
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On
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Off
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3D8h
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Off
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Off
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On
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Off
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Off
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Off
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Off
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3E0h
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On
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On
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Off
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Off
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Off
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Off
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Off
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3E8h
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Off
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On
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Off
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Off
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Off
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Off
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Off
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3F0h
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On
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Off
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Off
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Off
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Off
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Off
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Off
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3F8h
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Note:
A total of 127 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/2 is the Least Significant Bit. The switches have the following decimal values: SW1/8=512, SW1/7=256, SW1/6=128, SW1/5=64, SW1/4=32, SW1/3=16, SW1/2=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)
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INTERRUPT
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Setting
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J32/A
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J32/B
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J32/C
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J32/D
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J32/E
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J32/F
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IR/FONT>
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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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IRQ3
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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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IRQ4
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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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IRQ5
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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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IRQ6
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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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IRQ7
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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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IRQ10
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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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Open
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IRQ11
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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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Open
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IRQ12
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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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Open
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IRQ14
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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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Open
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IRQ15
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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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Open
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INTERRUPT (CON’T)
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Setting
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J33 pins 1 & 2
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J33 pins 3 & 4
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J33 pins 5 & 6
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J33 pins 7 & 8
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J33 pins 9 & 10
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IR/FONT>
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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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IRQ3
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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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IRQ4
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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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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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IRQ6
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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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IRQ7
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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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IRQ10
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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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IRQ11
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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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IRQ12
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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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IRQ14
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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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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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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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Green
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On
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Line 1 is active
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LED1
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Green
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Off
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Line 1 is not active
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LED2
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Red
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On
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Line 1 is off-hook
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LED2
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Red
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Off
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Line 1 is on-hook
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LED3
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Green
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On
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Line 2 is active
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LED3
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Green
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Off
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Line 2 is not active
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LED4
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Red
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On
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Line 2 is off-hook
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LED4
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Red
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Off
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Line 2 is on-hook
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