CONNECTIONS
Purpose	Location	Purpose	Location
Line out	CN1	Volume	R1
RS-232/422	CN2	Power switch	SW1
DC power	CN3

USER CONFIGURABLE SETTINGS
Settings	Label	Position
í DTR forced high	SW2/1	On
DTR normal	SW2/1	Off
í Verbose result code enabled	SW2/2	Off
Verbose result code disabled	SW2/2	On
í Result codes enabled	SW2/3	On
Result codes disabled	SW2/3	Off
í Echo enabled	SW2/4	Off
Echo disabled	SW2/4	On
í Auto answer enabled	SW2/5	Off
Auto answer disabled	SW2/5	On
í CD forced high	SW2/6	On
CD normal	SW2/6	Off
í RJ11 jack selected	SW2/7	Off
RJ12/13 jack selected	SW2/7	On
í AT command set enabled	SW2/8	On
AT command set disabled	SW2/8	Off

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
HS	Red	On	Modem is operating at 1200bps
HS	Red	Off	Modem is operating at slower than 1200bps
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Phone is ringing
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
SD	Red	On	Modem is transmitting data
SD	Red	Off	Modem is not transmitting data
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
MR	Red	On	Power is on
MR	Red	Off	Power is off

BIT-MAPPED REGISTER S13
Format		AT [cmds] S13? [cmds]
Default:		Read-only
Range:		0-255
Unit:		Bit-mapped
Description:		Displays basic/extended result codes , parity, and buffer overflow.
Bit	Value		Function
0	0		Not used.
1	0 1		Basic result code enabled. Extended result code enabled.
2	0 1		Disable Parity. Enable Parity.
3	0 1		Odd Parity. Even Parity.
4	0 1		7 data bits. 8 data bits.
5	0		Not used.
6	0 1		Buffer overflow flag disabled. Buffer overflow flag enabled; ERROR is displayed.
7	0 1		Space Parity. Mark Parity.

BIT-MAPPED REGISTER S14
Format		AT [cmds] S14? [cmds]
Default:		Read-only
Range:		0-255
Unit:		Bit-mapped
Description:		Displays status of switch 5, echo, result codes and format, command recognition, dial option, and speaker options.
Bit	Value		Function
0	0 1		Auto-answer disabled. Auto-answer enabled.
1	0 1		Disable local echo. Enable local echo.
2	0 1		Enable result codes. Disable result codes.
3	0 1		Numeric result code. Verbose result code.
4	0 1		Enable command recognition; switch 8 - On. Disable command recognition; switch 8 - Off.
5	0 1		Tone dial. Pulse dial.
6	0 1		Speaker off. Speaker off on carrier.
7	0 1		Speaker off. Speaker always on.

BIT-MAPPED REGISTER S15
Format		AT [cmds] S15? [cmds]
Default:		Read-only
Range:		0-255
Unit:		Bit-mapped
Description:		Displays data rate, answer/originate mode, and carrier signal.
Bit	Value		Function
1, 0	00 01 10 11		Not used. 110bps. 300bps. 1200bps.
2	0 1		Answer mode. Originate mode.
3	0 1		Half duplex. Full duplex.
5, 4	00 01 10 11		Not used. 110bps. 300bps. 1200bps.
6	0 1		Carrier disabled. Carrier enabled.

TEST MODES
Type:	Register
Format:	AT [cmds] S16=n [cmds]
Description:	Controls loopback tests; analog, digital, and self tests.
Command	Function
S16=0	Normal mode.
S16=1	Analog loopback test enabled.
S16=2	DTMF tone test enabled.
S16=4	Digital loopback test enabled.