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2000A
EDIMAX COMPUTER COMPANY
2000A
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NIC Type
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Ethernet
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Transfer Rate
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10Mbps
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Data Bus
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16-bit ISA
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Topology
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Star
Linear Bus
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Wiring Type
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RG-58A/U 50ohm coaxial
Unshielded twisted pair
AUI transceiver via DB-15 port
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Boot ROM
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Available
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COMPATIBILITY MODE
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Setting
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JP1
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Disabled
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Pins 1 & 2 Closed
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Enabled
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Pins 2 & 3 Closed
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Note: On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not initializing, enabling the compatibility mode may allow the card to operate properly
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INTERRUPT SETTINGS
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IRQ
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JP2A
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JP2B
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JP2C
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JP2D
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JP2E
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JP2F
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JP2G
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JP2H
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JP2I
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JP2J
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JP2K
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2
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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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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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| »
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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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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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4
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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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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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5
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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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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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6
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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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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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7
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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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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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10
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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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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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11
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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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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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12
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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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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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14
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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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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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15
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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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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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BOOT ROM
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Setting
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JP3
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Disabled
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Open
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Enabled
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Closed
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I/O BASE ADDRESS
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Address
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JP2L
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JP2M
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300h
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Closed
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Closed
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320h
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Closed
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Open
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340h
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Open
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Closed
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360h
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Open
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Open
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BOOT ROM ADDRESS
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Address
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JP4A
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JP4B
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JP4C
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JP4D
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C0000h
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Closed
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Closed
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Closed
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Closed
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C4000h
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Closed
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Closed
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Closed
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Open
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| »
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C8000h
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Closed
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Closed
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Open
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Closed
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CC000h
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Closed
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Closed
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Open
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Open
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D0000h
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Closed
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Open
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Closed
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Closed
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D4000h
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Closed
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Open
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Closed
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Open
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D8000h
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Closed
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Open
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Open
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Closed
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DC000h
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Closed
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Open
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Open
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Open
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AUTO-POLARITY
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Setting
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JP5
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Enabled
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Pins 1 & 2 Closed
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Disabled
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Pins 2 & 3 Closed
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Note:When disabled, if a reversed polarity signal occurs the card may be damaged.
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SIGNAL QUALITY ERROR (SQE) TEST
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Setting
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JP6
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Enabled
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Pins 1 & 2 Closed
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Disabled
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Pins 2 & 3 Closed
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Note:Signal Quality Error (SQE) is a test of the collision circuitry and path.
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SEGMENT LENGTH
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Maximum Length
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JP7
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185 meters
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Pins 2 & 3 closed
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300 meters
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Pins 1 & 2 closed
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Note: Segment length is the total length of cable between the two farthest cards on the segment. All cards on the network segment must have this option set the same
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LINK INTEGRITY TEST
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Setting
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JP8
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Enabled
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Pins 1 & 2 Closed
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Disabled
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Pins 2 & 3 Closed
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Note:The link integrity test is only valid when the cable type is unshielded twisted pair.
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CABLE TYPE
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Type
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JP9A-JP9F
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JP10
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JP12
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| »
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RG-58A/U 50ohm coaxial
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Open
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Pins 2 & 3 Closed
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Pins 1 & 2 Closed
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AUI transceiver via DB-15 port
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Open
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Pins 1 & 2 Closed
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Pins 2 & 3 Closed
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Shielded/Unshielded twisted pair
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Closed
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Pins 2 & 3 Closed
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Pins 2 & 3 Closed
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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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On
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A reversed twisted pair is detected and corrected
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LED1
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Yellow
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Off
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Normal operation
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LED2
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Green
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On
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Normal operation
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LED2
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Green
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Off
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A reversed twisted pair is detected and corrected
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