CONNECTIONS
Purpose	Location	Purpose	Location
RS-232	CN1	Transmit	XMT
AC power	CN2	Digital loopback switch	DIG
Ground	GND	Analog loopback switch	ANA
Receive	RCV	Remote loopback swtich	REM

AGC
Setting	JP12
» Forced high	Pins 2 & 3 closed
Normal	Pins 1 & 2 closed

ANALOG LOOPBACK
Setting	JP8
» Enabled	Pins 1 & 2 closed
Disabled	Pins 2 & 3 closed

ASYNCHRONOUS LENGTH - bits
Setting	SW2/S3	SW2/S4
8bits	Off	Off
9bits	Off	On
» 10bits	On	Off
11bits	On	On

ASYNCHRONOUS LENGTH - Characters
Setting	SW2/S2
» 12.5%	Off
25%	On

BAUD RATE
Setting	SW1
19.2Kbps	0
14.4Kbps	1
» 9600bps	2
7200bps	3
4800bps	4
3600bps	5
2400bps	6
1200bps	7

CD SIGNAL
Setting	JP4
CD normal	Pins 1 & 2 closed
» CD forced high	Pins 2 & 3 closed

CHASSIS TO SIGNAL GROUND
Setting	JP11
» Connected	Pins 1 & 2 closed
Disconnected	Pins 2 & 3 closed

CLOCK SOURCE
Setting	JP1/A	JP1/B	JP1/C	JP1/D
» Internal	Closed	Open	Open	Open
External	Open	Closed	Open	Open
Receive	Open	Open	Closed	Open
Asynchronous	Open	Open	Open	Closed

ENABLE PUSHBUTTONS
Setting	JP10
» DIG, ANA, REM enabled	Pins 1 & 2 closed
Disabled	Pins 2 & 3 closed

LINE CONNECTION
Setting	JP2
» 4-wire	Pins 2 & 3 closed
2-wire	Pins 1 & 2 closed

RECEIVE IMPEDANCE
Setting	JP7/A	JP7/B	JP7/C	JP7/D
» 150 Omhs	Closed	Open	Open	Open
300 Omhs	Open	Closed	Open	Open
600 Omhs	Open	Open	Closed	Open
High	Open	Open	Open	Closed

REMOTE LOOPBACK
Setting	JP9
» Enabled	Pins 1 & 2 closed
Disabled	Pins 2 & 3 closed

REMOTE POWER FAILURE
Setting	JP14
» Transmit RPF tone	Pins 1 & 2 closed
Doesn’t transmit RPF tone	Pins 2 & 3 closed

RTS/CTS DELAY
Setting	JP3/A	JP3/B	JP3/C
0 ms	Closed	Open	Open
» 8 ms	Open	Closed	Open
64 ms	Open	Open	Closed

TRANSMIT IMPEDANCE
Setting	JP6/A	JP6/B	JP6/C	JP6/D
» 150 Omhs	Open	Open	Closed	Open
300 Omhs	Open	Closed	Open	Open
600 Omhs	Closed	Open	Open	Open
Low	Open	Open	Open	Closed

TRANSMIT LEVEL
Setting	JP5/A	JP5/B	JP5/C	JP5/D
» 0dBm	Closed	Open	Open	Open
-3dBm	Open	Closed	Open	Open
-6dBm	Open	Open	Closed	Open
-9dBm	Open	Open	Open	Closed

V.54 DELAY
Setting	JP13
On	Pins 1 & 2 closed
» Off	Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS
Function	Jumper/Switch	Position
Asynchronous legnth	SW2/S1	Off

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
RTS	Yellow	On	Request to Send enabled
RTS	Yellow	Off	Request to Send disabled
TD	Yellow	On	Modem is transmitting steady SPACE
TD	Yellow	Off	Modem is not transmitting data
TD	Yellow	Blinking	Modem is transmitting data
RD	Yellow	On	Modem is receiving steady SPACE
RD	Yellow	Off	Modem is not receiving data
RD	Yellow	Blinking	Modem is receiving data
DCD	Yellow	On	Carrier signal detected
DCD	Yellow	Off	Carrier signal not detected
TEST	Red	On	Modem in test mode
TEST	Red	Off	Modem not in test mode