56K EXTERNAL V.34 modem/telephone/ISDN Settings and Configuration

Card Type	Modem, Fax
Chip Set	Unidentified
I/O Options	Line in (RJ-11), line out (RJ11), DTE port (25-pin serial connector)
Maximum Modem Rate	56.0Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103A/212A, ITU-T V.21, V.22, V.22bis,V.23, V.32, V.32bis, V.34, K56flex
Fax Modulation Protocol	V.17, V.21, CH2, V.27ter, V.29, V.33
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis
Fax Class	Class I & II
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
Power jack		CN1		Line in		CN3
DTE port (25-pin serial connector)		CN2		Line out		CN4

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OH	Unidentified	On	Modem is off-hook
OH	Unidentified	Off	Modem is on-hook
AA	Unidentified	On	Auto-answer enabled
AA	Unidentified	Off	Auto-answer disabled
AA	Unidentified	Blinking	Phone is ringing
RD	Unidentified	On	Modem is receiving data
RD	Unidentified	Off	Modem is not receiving data
TD	Unidentified	On	Modem is transmitting data
TD	Unidentified	Off	Modem is not transmitting data
TR	Unidentified	On	DTR signal is high
TR	Unidentified	Off	DTR signal is low
CD	Unidentified	On	Carrier signal detected
CD	Unidentified	Off	Carrier signal not detected
CS	Unidentified	On	CTS signal is high
CS	Unidentified	Off	CTS signal is low
EC	Unidentified	On	Error correction enabled
EC	Unidentified	Off	Error correction disabled
DC	Unidentified	On	Data compression enabled
DC	Unidentified	Off	Data compression disabled
V.34	Unidentified	On	Modem not connected in V.34 mode
V.34	Unidentified	Off	Modem connected in V.34 mode
K56	Unidentified	On	Modem connected at 56Kbps
K56	Unidentified	Off	Modem not connected at 56Kbps
FAX	Unidentified	On	Fax connection has been made to remote fax modem
FAX	Unidentified	Off	Fax connection has not been made to remote fax modem
MSG	Unidentified	On	Faxes are waiting
MSG	Unidentified	Off	Faxes are not waiting
MR	Unidentified	On	Power is on
MR	Unidentified	Off	Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, B, E, H, M, O, P, Q, T, V, W, X, Y, Z

&C, &T, &W, &Y, &Z

Extended AT Commands

%C, %L, %Q

\A, \B, \G, \L, \N

-K, -Q

:E

+MS

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24

S25, S26, S27, S28, S29, S31, S32, S33, S38, S40, S41

Note: See MHI Help File for full command documentation.

AUTO-MODE DETECTION
Type:	Configuration
Format:	AT [cmds] Nn [cmds]
Description:	Enables/disbles automatic detection.
Command	Function
N0	Auto-mode detection disabled
í N1	Auto-mode detection enabled

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode
Command	Mode
&M0	Asynchronous mode

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Asynchronous mode, serial port speed follows connect speed.
í &Q5	Error correction mode
&Q6	Buffered asynchronous mode

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
í &S0	DSR forced high
&S1	DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Command	Function
&D0	Modem does not respond to DTR
&D1	Modem goes to command mode after DTR goes is off
í &D2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
&D3	Modem is initialized after DTR goes off

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string
Note:	Any combination of modifiers can be used to produce the desired dial functions in sequence.
Command	Function
DL	Re-dial last number
DP	Pulse dialing enabled
DS=n	Dial stored telephone number n (0-3)
DT	Tone dialing enabled/Pulse dialing disabled
DW	Dialing resumed following dial tone detection
D,	Dialing paused for amount of time specified in S8 register
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D&	Waits for bong tone
D@	Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.
D^	Calling tone enabled
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [cmds]
Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
Note: Used primarily for international data transmission
Command	Function
í &G0	Guard tone disabled
&G1	Guard tone disabled
&G2	1800Hz guard tone enabled

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [cmds]
Description:	Selects pulse dial make/break ratio
Command	Function
í &P0	39/61ms at 10pps (North America)
&P1	Not used
&P2	Not used
&P3	Not used

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports four digit product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports firmware revision code
I4	Reports identifier string
I5	Reports country code
I6	Reports data pump chipset revision
I98	Reports modem features description
I99	Reports modem features in hex bitmap

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
í L1	Low volume setting
L2	Medium volume setting
L3	Highest volume setting

TRANSMIT DATA FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables TD flow control options
Command	Function
&K0	Flow control disabled
í &K3	RTS/CTS flow control enabled
&K4	XON/XOFF flow control enabled
&K5	Transparent XON/XOFF flow control enabled
&K6	Hardware and software flow control enabled

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Controls auto-retrain mode and fallback/fall-forward
Command	Function
%E0	Auto-retrain disabled
%E1	Auto-retrain enabled
í %E2	Auto-fallback/fall-forward enabled
%E3	Auto-retrain and fast hang up enabled

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal

CONNECT MESSAGE
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Enables/disables single line connect message
Command	Function
\V=0	Single line connect message disabled
\V=1	Single line connect message enabled. CONNECT <DTE speed></Modulation></Protocol></Compression></Line speed>

DISTINCTIVE RING
Format:		AT [cmds] -SDR=n [cmds]
Default:		Unidentified
Range:		0 - 255
Description:		Selects which distinctive ring signals the modem will respond to.
Bit	Value		Function
0	0		Distinctive ring disabled
1	0 1		Do not respond to distinctive ring type 1. Respond to distinctive ring type 1.
2	0 1		Do not respond to distinctive ring type 2. Respond to distinctive ring type 2.
3	0 1		Do not respond to distinctive ring types 1 & 2. Respond to distinctive ring types 1 & 2.
4	0 1		Do not respond to distinctive ring type 3. Respond to distinctive ring type 3.
5	0 1		Do not respond to distinctive ring types 1 & 3. Respond to distinctive ring types 1 & 3.
6	0 1		Do not respond to distinctive ring types 2 & 3. Respond to distinctive ring types 2 & 3.
7	0 1		Do not respond to distinctive ring types 1, 2 & 3. Respond to distinctive ring types 1, 2 & 3.

DISTINCTIVE RING
Type:	Configuration
Format:	AT [cmds] $$Rn [cmds]
Description:	Enables/disables distinctive ring
Command	Function
$$R0	Distinctive ring disabled
$$R1	Distinctive ring enabled

MNP10EC
Type:	Configuration
Format:	AT [cmds] -SECn, [cmds]
Description:	Enable/disable MNP10EC
Command	Function
í -SEC0	MNP10EC disabled
-SEC1	MNP10EC enabled

BREAK OPTIONS
Type:		Register
Format		AT [cmds] S82=n [cmds]
Description:		Sets the method for break transmission during error-control and ASB connections.
Command	Function
S82=3	Expedited signaling, immediately send timed break
S82=7	Destructive signaling, buffers cleared, immediately send timed break
S82=128	In-sequence signaling, timed break sent in sequence with transmitted data

CONNECTION FAILURE CODES
Type:	Register
Format	AT [cmds] S86? [cmds]
Description:	Reports codes which correspond to the possible causes of a connection failure
Value	Meaning
0	Normal hang up
4	Carrier signal lost
5	No error-control detected for remote modem during feature negotiation
6	Remote modem failed to respond to feature negotiation
7	Local modem is asynchronous-only, remote modem is synchronous-only
8	No common framing technique found
9	No common protocol found
10	Remote modem sent erroneous feature negotiation message
11	Remote modem failed to send synchronous information
12	No failure - remote modem disconnected normally
13	Remote modem failed to respond after 10 re-transmissions same message
14	Violation of negotiated protocol caused failure

DCE LINE SPEED
Type:	Register
Format	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshake process.
Command	Function
S37=0	Speed of last connection
S37=1	300bps
S37=2	300bps
S37=3	300bps
S37=4	Reserved
S37=5	1200bps
S37=6	2400bps
S37=7	75bps send, 1200bps receive
S37=8	4800bps
S37=9	9600bps
S37=10	12.0Kbps
S37=11	14.4Kbps
S37=12	7200bps

ERROR CORRECTION NEGOTIATION
Type:	Register
Format	AT [cmds] S36=n [cmds]
Description:	Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.
Command	Function
S36=0	Hang up
S36=3	Attempt a buffered connection
S36=4	Attempt a connection at MNP2-4; if that fails, hang up.
S36=7	Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

ERROR CORRECTION/COMPRESSION
Type:			Register
Format:	AT [cmds] S46=n [cmds]
Description:	Selects active error correction and compression protocols
Command		Function
S46=136		LAP-M only, no compression
S46=138		LAP-M with V.42bis data compression

EXTENDED RESULT CODES
Type:		Register
Format		AT [cmds] S95=n [cmds]
Unit:		Bit-mapped
Description:		Reports result codes
Bit	Value	Function
0	0 1	CONNECT result code reports DTE speed. CONNECT result code reports line speed instead DTE speed.
1	0 1	Verbose CONNECT result codes display DTE or line speed only. Adds "/ARQ" to all verbose CONNECT result codes except "NONE."
2	0 1	CARRIER result codes disabled. CARRIER result codes enabled.
3	0 1	PROTOCOL result codes disabled. PROTOCOL result codes enabled.
4	0	Reserved
5	0 1	COMPRESSION result codes disabled. COMPRESSION result codes enabled.

FEATURE NEGOTIATION OPTIONS
Type:			Register
Format:	AT [cmds] S48=n [cmds]
Description:	Selects active error correction and compression protocols
Command		Function
S48=0		Detection negotiation disabled, XID negotiation disabled
S48=7		Detection negotiation and XID negotiation enabled
S48=128		Fall-back to options set in S36

FLOW CONTROL
Type:	Register
Format	AT [cmds] S39? [cmds]
Description:	Displays the current flow control
Value	Meaning
0	Flow control disabled
3	RTS/CTS flow control enabled
4	XON/XOFF flow control enabled
5	Transparent XON/XOFF flow control enabled
6	Hardware and software flow control enabled