ETHERLINK/MC TP (3C523-TP) Network Card Settings and Configuration

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