Card Type	Modem (asynchronous)
Chipset	Unidentified
Wire Type	Fiber optic cable
Maximum Data Rate	19.2Kbps x 2
Data Modulation	Unidentified
Data Bus	Proprietary

CONNECTIONS
Function	Label	Function	Label
Serial data port 1	CN1	Serial data port 2	CN4
Fiber optic ST transmit cable 1	CN2	Fiber optic ST transmit cable 2	CN5
Fiber optic ST receive cable 1	CN3	Fiber optic ST receive cable 2	CN6

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Factory configured - do not alter	JP1	Unidentified
í Factory configured - do not alter	JP2	Unidentified
í RTS to CTS delay set to 2mS on modem 1	SW1/1	Off
RTS to CTS delay set to 15mS on modem 1	SW1/1	On
í DCD forced high on modem 1	SW1/2	On
DCD follows DTR on modem 1	SW1/2	Off
í RTS to CTS delay set to 2mS on modem 2	SW2/1	Off
RTS to CTS delay set to 15mS on modem 2	SW2/1	On
í DCD forced high on modem 2	SW2/2	On
DCD follows DTR on modem 2	SW2/2	Off
í Cable shield 1 connected to signal ground	SW3/1	On
Cable shield 1 not connected to signal ground	SW3/1	Off
í Signal ground 1 not connected to chassis ground	SW3/2	Off
Signal ground 1 connected to chassis ground	SW3/2	On
í Cable shield 2 connected to signal ground	SW4/1	On
Cable shield 2 not connected to signal ground	SW4/1	Off

USER CONFIGURABLE SETTINGS (CON'T)
Setting	Label	Position
í Signal ground 2 not connected to chassis ground	SW4/2	Off
Signal ground 2 connected to chassis ground	SW4/2	On
í CN1 is DCE	SW5	On
CN1 is DTE	SW5	Off
í CN3 is DCE	SW6	On
CN3 is DTE	SW6	Off

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
XMT1	Yellow	On	Modem 1 is transmitting data
XMT1	Yellow	Off	Modem is 1 not transmitting data
RCV1	Yellow	On	Modem 1 is receiving data
RCV1	Yellow	Off	Modem 1 is not receiving data
DCD1	Yellow	On	Carrier signal detected on line 1
DCD1	Yellow	Off	Carrier signal not detected on line 1
XMT2	Yellow	On	Modem 2 is transmitting data
XMT2	Yellow	Off	Modem is 2 not transmitting data
RCV2	Yellow	On	Modem 2 is receiving data
RCV2	Yellow	Off	Modem 2 is not receiving data
DCD1	Yellow	On	Carrier signal detected on line 1
DCD1	Yellow	Off	Carrier signal not detected on line 1

MISCELLANEOUS TECHNICAL NOTE

This card is intended for use in the CMN-16 rack-mount system. The bus is used only for supplying power for the card. All other card functions are accessed through the serial ports.