Card Type	Modem (synchronous/asynchronous)
Chipset	Unidentified
Transfer Rate	56Kbps/64Kbps
Data Bus	V.24, V.35, X.21, or RS-530 serial
Data Modulation	Bell 103A/212A

CONNECTIONS
Function	Label	Function	Label
V.24, V.35, X.21, or RS-530 serial port	CN1	Fiber optic FC transmit cable	CN3
Fiber optic FC receive cable	CN2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Line speed set to 64Kbps	SW2/4	Off
	Line speed set to 56Kbps	SW2/4	On
»	Stop bit shortened by 25% in asynchronous mode	SW2/5	Off
	Stop bit shortened by 12.5% in asynchronous mode	SW2/5	On
»	CD signal forced high	SW3/2	On
	CD signal follows RTS	SW3/2	Off
»	Pin 18 of CN1 has no function	SW3/3	Off
	Pin 18 of CN1 begins local analog loopback test	SW3/3	On
»	Pin 21 of CN1 has no function	SW3/4	Off
	Pin 21 of CN1 begins remote digital loopback test	SW3/4	On

TRANSMIT CLOCK SOURCE SELECTION
Setting		SW2/1	SW2/2	SW2/3
	Asynchronous mode	Off	On	Off
»	Internal clock source	Off	Off	Off
	External clock source	On	Off	Off
	Remote clock source	Off	Off	On

CHARACTER LENGTH SELECTION
Setting		SW2/6	SW3/1
	8 bits	Off	Off
	9 bits	Off	On
»	10 bits	On	Off
	11 bits	On	On

TEST MODE SELECTION
Setting		SW1
	Start local analog loopback test	Position 1
»	Normal operation	Position 2
	Start remote digital loopback test	Position 3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD	Yellow	On	Modem is transmitting data
TD	Yellow	Off	Modem is not transmitting data
CD	Yellow	On	Carrier signal detected
CD	Yellow	Off	Carrier signal not detected
TST	Red	On	Modem is in test mode
TST	Red	Off	Modem is not in test mode
PWR	Green	On	Power is on
PWR	Green	Off	Power is off