Card Type	Modem (synchronous/asynchronous)
Chip Set	Unidentified
Maximum Data Rate	2400bps
Data Bus	External
Data Modulation Protocol	Unidentified

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Eye Pattern connector		CN4
Line in		CN2		AC power in		CN5
RS-232/422		CN3		Power/Error switch		SW1

USER CONFIGURABLE SETTINGS
Setting	Label	Position
Chassis ground connected to signal ground	JP1	Pins 2 & 3 closed
Chassis ground not connected to signal ground	JP1	Pins 1 & 2 closed
Transmit level set to -9 (permissive)	JP2	Pins 1 & 2 closed
Transmit level set to programmable	JP2	Pins 2 & 3 closed
Long haul equalization	JP3	Pins 1 & 2 closed
Short haul equalization	JP3	Pins 2 & 3 closed
Internal clock source	S1/3	Off
External clock source	S1/3	On
Factory configured - do not alter	S1/4	N/A
Factory configured - do not alter	S1/5	N/A
CD normal	S1/6	Off
CD forced high	S1/6	On
Factory configured - do not alter	S1/7	N/A
Factory configured - do not alter	S1/8	N/A
Squelch receiver for 8ms during carrier detection	S2/3	Off
Squelch receiver for 110ms during carrier detection	S2/3	On
Auto-answer enabled	S2/4	On
Auto-answer disabled	S2/4	Off
CD signal level set to -30dBm	S2/5	Off
CD signal level set to -45dBm	S2/5	On
Factory configured - do not alter	S2/6	N/A
Use Type A modulation	S2/7	On
Use Type B modulation	S2/7	Off
Factory configured - do not alter	S2/8	N/A

CTS ECHO SUPPRESION DELAY
Setting	S1/1	S1/2
0ms	On	Off
9ms	Off	On
25ms	Off	Off
150ms	On	On

DISCONNECT DETECTION TIME
Setting	S2/1	S2/2
í Disabled	Off	Off
50ms disconnect	On	Off
100ms disconnect	Off	On
200ms disconnect	On	On

ANSWER-BACK TONE ECHO SUPPRESION
Setting	S2/9	S2/10
í Disabled	Off	Off
1000ms	On	Off
200ms	Off	On
400ms	On	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OH/RI	Red	On	Modem is off-hook
OH/RI	Red	Off	Modem is on-hook
OH/RI	Red	Blinking	Phone is ringing
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
CD	Red	On	Carrier signal has been detected
CD	Red	Off	Carrier signal has not been detected
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
TD	Red	On	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
RS	Red	On	RTS signal is high
RS	Red	Off	RTS signal is low