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ETHERLINK/MC TP (3C523-TP)

3COM CORPORATION

ETHERLINK/MC TP (3C523-TP)

NIC Type

Ethernet

Network Transfer Rate

10Mbps

Data Bus

MCA

Topology

Linear Bus/Star

Wire Type

Unshielded twisted pair

AUI transceiver via DB-15 port

Boot ROM

Available

CONNECTIONS

Function

Label

Function

Label

Unshielded twisted pair

CN1

AUI transceiver via DB-15 port

CN2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Transmit equalization

J5

Pins 1 & 2 closed

 

Receive equalization

J5

Pins 2 & 3 closed

Receive threshhold normal

J6

Pins 1 & 2 closed

 

Receive threshhold low

J6

Pins 2 & 3 closed

SQE heartbeat enabled

J7

Pins 1 & 2 closed

 

SQE heartbeat disabled

J7

Pins 2 & 3 closed

Transmit level normal

J8

Pins 1 & 2 closed

 

Transmit level attenuated

J8

Pins 2 & 3 closed

DC signal disabled

J9

Pins 2 & 3 closed

 

DC signal enabled

J9

Pins 1 & 2 closed

LINE IMPEDANCE

Setting

J1

J2

J3

J4

 

75 ohms

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

100 ohms

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

 

150 ohms

Pins 3 & 4 closed

Pins 3 & 4 closed

Pins 3 & 4 closed

Pins 3 & 4 closed