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E3020/-X (Coaxial)
CABLETRON SYSTEMS, INC.
E3020/-X (Coaxial)
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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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16/32-bit MCA
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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
AUI transceiver via DB-15 port
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Boot ROM
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Not Available
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CABLE TYPE
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Type
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Switch PSS
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JP2
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RG-58A/U 50ohm coaxial
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On
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Pins 2 & 3 Closed
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AUI transceiver via DB-15 port
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Off
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Pins 1 & 2 Closed
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Note:JP2 is used to enabled the DC converter on the card to supply power to coaxial networks.
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SIGNAL QUALITY ERROR (SQE) TEST
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Setting
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Switch SQE
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Disabled
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Off
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Enabled
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On
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Note:Signal Quality Error (SQE) is a test of the collision circuitry and path.
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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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1
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Green
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On/Blinking
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Data is being transmitted
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1
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Green
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Off
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Data is not being transmitted
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2
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Red
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On/Blinking
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Collision detected on network
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2
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Red
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Off
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Normal operation
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3
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Yellow
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On/Blinking
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Data is being received
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3
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Yellow
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Off
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Data is not being received
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4
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Green
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On
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Card is receiving power
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4
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Green
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Off
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Card is not receiving power
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