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ETHERLINK/MC TP (3C523-TP)
3COM CORPORATION
ETHERLINK/MC TP (3C523-TP)
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NIC Type
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Ethernet
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Network Transfer Rate
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10Mbps
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Data Bus
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MCA
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Topology
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Linear Bus/Star
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Wire Type
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Unshielded twisted pair
AUI transceiver via DB-15 port
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Boot ROM
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Available
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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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Unshielded twisted pair
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CN1
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AUI transceiver via DB-15 port
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CN2
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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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Transmit equalization
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J5
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Pins 1 & 2 closed
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Receive equalization
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J5
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Pins 2 & 3 closed
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Receive threshhold normal
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J6
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Pins 1 & 2 closed
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Receive threshhold low
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J6
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Pins 2 & 3 closed
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SQE heartbeat enabled
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J7
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Pins 1 & 2 closed
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SQE heartbeat disabled
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J7
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Pins 2 & 3 closed
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Transmit level normal
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J8
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Pins 1 & 2 closed
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Transmit level attenuated
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J8
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Pins 2 & 3 closed
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DC signal disabled
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J9
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Pins 2 & 3 closed
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DC signal enabled
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J9
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Pins 1 & 2 closed
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LINE IMPEDANCE
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Setting
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J1
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J2
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J3
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J4
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75 ohms
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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| »
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100 ohms
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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150 ohms
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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