CONNECTIONS
Purpose	Location	Purpose	Location
Line in	CN1	Ground	CN5
RS-232/422	CN2	Receive	CN6
DC power	CN3	Loopback test	SW2
Transmit	CN4

SPEED
Setting	SW1/A	SW1/B	SW1/C
1.2Kbps	On	On	On
2.4kbps	Off	On	On
4.8Kkbps	On	Off	On
7.2kbps	On	On	Off
» 9.6kbps	Off	Off	On
14.4kbps	Off	On	Off
19.2bps	On	Off	Off
19.2kbps	Off	Off	Off

TRANSMIT CLOCK
Setting	SW1/E
» Internal	Off
External	On

CARRIER SIGNAL
Setting	SW1/H
Forced high	Off
» Carrier signal follows RTS	On

RTS/CTS DELAY
Setting	SW1/E	SW2/F
0ms	On	On
8ms	On	Off
53ms	Off	On

LOOPBACK TEST
Setting	SW2
Local analog loopback test enabled	Off
Remote analog loopback test enabled	On

FACTORY CONFIGURED SETTINGS
Jumper	Setting
SW1/C	N/A

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Red	On	Power is on
PWR	Red	Off	Power is off
TD	Red	On	Modem is not transmitting data
TD	Red	Off	Modem connection is broken
TD	Red/Green	Blinking	Modem is transmitting data
RD	Red	On	Modem is not receiving data
RD	Red	Off	Modem connection is broken
RD	Red/Green	Blinking	Modem is receiving data
RTS	Red	On	RTS signal is low
RTS	Green	On	RTS signal is high
CD	Red	On	Carrier signal is low
CD	Green	On	Carrier signal is high
TEST	Red	Off	Modem is not in test mode
TEST	Red	On	Modem is in test mode