CONNECTIONS
Purpose	Location	Purpose	Location
Line out	CN1	DC power	CN4
Line in	CN2	Power switch	SW1
RS-232/422	CN3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
HS	Red	On	Modem is operating at 2400bps
HS	Red	Off	Modem is operating at slower than 2400bps
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	Blinking	Loopback tests enabled
MR	Red	On	Power is on
MR	Red	Off	Power is off
Note: The LEDs are Icons.

ACCEPT RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \U
Example:	AT \U <CR>
Description:	Accepts remote modem’s request for reliable link.

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] %An [cmds]
Example:	AT %A0 <CR>
Default:	Unidentified
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character. %A0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] \Cn [cmds]
Example:	AT \C0 &W<CR>
Description:	Controls the handling of incoming data during auto-reliable time period.
Command	Function
» \CO	Data is discarded.
\C1	Data is buffered.
\C2	Data is discarded, sets to normal mode and sends auto-reliable character to serial port.

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Example:	AT \B3 <CR>
Default:	3
Range:	1-9
Unit:	.1 second
Description:	Sends break to modem.

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Example:	AT \K5 <CR>
Description:	Configures action of break signal.
Command		Break from DTE Reliable/Normal mode	Break from DTE Direct mode	Break from remote modem	Modem receives \B
\K0		Enter command mode, do not send break to remote modem.	Send break to remote modem immediately, then enter command mode.	Buffers cleared and break sent to DTE.	Buffers cleared and break sent to remote modem.
\K1		Buffers cleared and break sent to remote modem.	Send break to remote modem immediately.	Buffers cleared and break sent to DTE.	Buffers cleared and break sent to remote modem.
\K2		Enter command mode, do not send break to remote modem.	Send break to remote modem immediately, then enter command mode.	Send break to DTE immediately.	Send break to remote modem immediately.
\K3		Send break to remote modem immediately.	Send break to remote modem immediately.	Send break to DTE immediately.	Send break to remote modem immediately.
\K4		Enter command mode, do not send break to remote modem.	Send break to remote modem immediately, then enter command mode.	Break sent with received data to the DTE.	Send break to remote modem with transmitted data.
» \K5		Send break with transmitted data.	Send break to remote modem immediately.	Break sent with received data to the DTE.	Send break to remote modem with transmitted data.

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Example:	AT %C1 <CR>
Description:	Selects data compression.
Command	Function
%C0	Data compression disabled.
» %C1	Data compression enabled.

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Example:	AT \N1 <CR>
Description:	Sets connect mode.
Command	Function
\N0	Normal mode enabled.
» \N1	Direct mode enabled.
\N2	Reliable mode enabled.
\N3	Auto-reliable mode enabled.

CONVERT TO RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \Y
Example:	AT \Y <CR>
Description:	Initiates reliable mode link.

DISPLAY CURRENT COMMAND STATUS
Type:	Immediate
Format:	AT [cmds] \S [cmds]
Example:	AT \S <CR>
Description:	Displays current setting of modem commands.

ECHO DATA
Type:	Configuration
Format:	AT [cmds] \En [cmds]
\Example:	AT \E0 <CR>
Description:	Enables modem to echo received data.
Command	Function
» \E0	Data echo disabled.
\E1	Data echo enabled.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Example:	AT \G0 <CR>
Description:	Selects modem port flow control.
Command	Function
» \G0	Flow control disabled.
\G1	Flow control enabled.

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Example:	AT \Q0 <CR>
Description:	Sets type of flow control used by modem.
Command	Function
» \Q0	Flow control disabled.
\Q1	XON/XOFF flow control enabled.
\Q2	CTS flow control to DTE enabled.
\Q3	RTS/CTS flow control enabled.

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Example:	AT\T0 <CR>
Default:	0
Range:	0-90
Unit:	1 minute
Description:	Sets the length of time that the modem does not receive information before it disconnects.
Note: \T0 will disable inactivity timer.

LOCK SERIAL PORT
Type:	Configuration
Format:	AT [cmds] \Jn [cmds]
Example:	AT \J1 <CR>
Description:	Sets operation of serial port speed.
Command	Function
\J0	Serial speed locked.
» \J1	Serial speed follows connect speed.

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type:	Configuration
Format:	AT [cmds] \An [cmds]
Example:	AT \A3 %C1<CR>
Description:	Sets the maximum transmittable block size.
Command	Function
\A0	MNP block size is 64 characters.
\A1	MNP block size is 128 characters.
\A2	MNP block size is 192 characters.
» \A3	MNP block size is 256 characters.

MNP RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Example:	AT \V1 <CR>
Description:	Selects MNP result codes.
Command	Function
» \V0	MNP result codes disabled.
\V1	MNP result codes enabled.

MNP STREAM/BLOCK MODE
Type:	Configuration
Format:	AT [cmds] \Ln [cmds]
Example:	AT \L0 <CR>
Description:	Selects the transfer mode for MNP.
Command	Function
» \L0	Stream mode for MNP enabled.
\L1	Block mode for MNP enabled.

ON-LINE IN RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \O
Example:	AT \O <CR>
Description:	Returns to on-line and requests reliable mode connection.

SWITCH TO MNP MODE
Type:	Immediate
Format:	AT [cmds] \Z
Example:	AT \Z <CR>
Description:	Switches to normal mode from MNP mode.

XON/XOFF PASS-THROUGH
Type:	Configuration
Format:	AT [cmds] \Xn [cmds]
Example:	AT \X0 <CR>
Description:	Selects whether XON/XOFF signals are sent to remote modem.
Command	Function
» \X0	XON/XOFF signals trapped by local modem.
\X1	XON/XOFF passed through local modem.