AT-125, AT-126 Network Card Settings and Configuration

Card Type	Transceiver
NIC Type	Ethernet
Network Transfer Rate	10Mbps
Topology	Linear Bus, Star
Wiring Type	AUI transceiver via DB-15 port Fiber optic cable
Data Bus	None

CONNECTIONS
Function	Label	Function	Label
Fiber optic connector - receive	CN1	AUI connector	CN3
Fiber optic connector - transmit	CN2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	SQE/Heartbeat switch disabled	SW1/1	On
	SQE/Heartbeat switch enabled	SW1/1	Off
»	Continuous transmit function disabled	SW1/2	On
	Continuous transmit function enabled	SW1/2	Off
»	Link test function - always on	SW1/3	On
»	Factory configured - do not alter	SW1/4	On

TRANSMIT POWER SELECTION
Setting	JP1/A	JP1/B	JP1/C	JP2/A	JP2/B	JP2/C
Low	Closed	Open	Open	Closed	Open	Open
Medium	Open	Closed	Open	Open	Closed	Open
High	Open	Open	Closed	Open	Open	Closed

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
Transmit	Unidentified	On	Data is being transmitted
Transmit	Unidentified	Off	Data is not being transmitted
Receive	Unidentified	On	Data is being received
Receive	Unidentified	Off	Data is not being received
Collision	Unidentified	On	Collision detected on network
Collision	Unidentified	Off	No collision detected on network
Link status	Unidentified	On	Link test function is disabled
Link status	Unidentified	Off	Link test function is enabled
Power/SQE test	Yellow	On	SQE/Heartbeat test is enabled
Power/SQE test	Green	On	SQE/Heartbeat test is disabled