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G/ETHERTWIST AT, AT-WS ADAPTER
GATEWAY COMMUNICATIONS, INC.
G/ETHERTWIST AT, AT-WS ADAPTER
(NATIONAL CHIPSET)
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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
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Wiring Type
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Shielded twisted pair
Unshielded twisted pair
AUI transceiver via DB-15 port
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Boot ROM
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Available
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INTERRUPT REQUEST
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IRQ
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JP3
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JP4
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JP5
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JP6
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JP7
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JP8
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JP9
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JP10
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JP11
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JP12
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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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Closed
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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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12
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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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11
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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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10
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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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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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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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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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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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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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Closed
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Open
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Open
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Open
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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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Closed
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Open
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Open
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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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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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I/O BASE ADDRESS
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Address
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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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2A0-2BF
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On
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Off
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On
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On
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280-29F
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On
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On
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On
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On
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2C0-2DF
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On
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On
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Off
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On
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2E0-2FF
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On
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Off
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Off
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On
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300-31F
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On
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On
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On
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Off
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320-33F
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On
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Off
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On
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Off
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340-35F
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On
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On
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Off
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Off
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360-37F
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Off
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On
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Off
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Off
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BASE MEMORY ADDRESS
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Base Address
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SW1/5
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SW1/6
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C0000-C3FFF
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On
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On
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C4000-C7FFF
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Off
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On
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C8000-CBFFF
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On
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Off
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CC000- CFFFF
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Off
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Off
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LINK INTEGRITY TEST
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Setting
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JP31
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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:Link Integrity is only used with 10Base-T wiring. When using an AUI transciever, the test should be disabled.
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COMPATIBILITY
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Mode
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JP2
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Compatibility on
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Pins 1 & 2 Closed
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Compatibility off
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Pins 2 & 3 Closed
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Note: If one of the following problems presist after checking all other possibilities turn off Compatibility:
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CABLE TYPE
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Type
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JP8
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JP9
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JP10
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JP11
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JP12
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JP13
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AUI transceiver via DB-15 port
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Closed
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Shielded/Unshielded twisted pair
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Open
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Note: Pins designated should be in the closed position.
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DIAGNOSTIC LED(S)
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Status
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Condition
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Jabber LED (1) on (Red)
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Adapter is continually sending random data
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Link test LED (2) on (Red)
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Network connection good
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Transmit LED (3) blinks (Red)
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Data is being transmitted
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Receive LED (4) on (Red)
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Data is being received
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Note: When using the AUI port, the LEDs are not functional.
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MISCELLANEOUS NOTES
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The AT adapter can be used in a file server or a work station.
The AT-WS adapter can be used in a work station only.
Different drivers must be used for the National & the Fujitsu chipset cards, they are not interchangeable. Fujitsu drivers may be used for either 8 or 16 bit Fujitsu cards. While the National chipset cards require a different driver for an 8 or 16 bit card.
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