MAXTECH CORPORATION
XPV 56I41 (K56PLUS-L/CPI-SVD)
Card Type |
Modem, Fax |
Chip Set |
Lucent |
I/O Options |
Line in, line out, microphone in, speaker out |
Maximum Modem Rate |
56Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, K56Plus |
Fax Modulation Protocol |
ITU-T V.17, V.29, V.27ter |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I & II |
Data Bus |
16-bit ISA |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, E, H, M, O, P, Q, T, V, W, Y, Z |
&C, &F, &G, &V, &W, &Z |
Extended AT Commands |
\A, \B, \J, \K, \T, \X |
-C |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S21, S22, S24, S30, S36, S37, S48 |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
AUTOSCAN MODE | |
Type: |
Immediate |
Format: |
AT [cmds] Nn [cmds] |
Description: |
Enables/Disables Autoscan mode |
Command |
Function |
N0 |
Autoscan mode disabled |
í N1 |
Autoscan mode enabled |
COMMUNICATIONS MODE (ASYNCHRONOUS) | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects communications mode |
Command |
Mode |
í &M0 |
Asynchronous mode |
COMMUNICATIONS MODE (DATA LINK AND FALLBACK) | |
Type: |
Configuration |
Format: |
AT [cmds] &Q [cmds] |
Description: |
Configures data link options |
Command |
Function |
&Q0 |
Set Direct data link only |
&Q5 |
Set V.42 data link with fallback options |
&Q6 |
Set Normal data link only |
COMMUNICATION PROTOCOLS | |
Type: |
Configuration |
Format: |
AT [cmds] Bn [cmds] |
Description: |
Selects the communication protocol for data calls |
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. | |
Command |
Protocol |
B0 |
Sets CCITT mode |
í B1 |
Sets Bell mode |
B2 |
CCITT V.23 originate: transmit 75/receive 1200bps |
B3 |
CCITT V.23 originate: transmit 1200/receive 75bps |
B15 |
Sets V.21 at 300 bps |
B16 |
Sets Bell 103 at 300 bps |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
&S0 |
DSR forced high |
í &S1 |
DSR is off while in command mode and set on in on-line mode |
DATA TERMINAL READY (DTR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Dn [cmds] |
Description: |
Selects modem response to DTR |
Command |
Function |
í &D0 |
Modem does not respond to DTR |
&D1 |
Modem goes to command mode after DTR goes is off |
&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 |
í 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"WXY" |
Optional method of denoting telephone numbers. Letters enclosed in quotes are interpreted as numbers according to the system found on a telephone keypad. |
D! |
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. |
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; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
FLOW CONTROL | |
Type: |
Immediate |
Format: |
AT [cmds] &K [cmds] |
Description: |
Configures flow control settings |
Command |
Function |
&K0 |
Flow control disabled |
&K3 |
RTS/CTS hardware flow control enabled |
&K4 |
XON/XOFF software flow control enabled |
&K5 |
Transparent XON/XOFF software flow control enabled |
&K6 |
RTS/CTS & XON/XOFF flow control enabled |
HAYES SMARTMODEM 300 COMPATIBILITY | |
Type: |
Configuration |
Format: |
AT [cmds] Xn [cmds] |
Description: |
Configures modem response and blind dialing capabilities |
Command |
Function |
X0 |
Sets modem to use Hayes Smartmodem 300 responses and blind dialing |
X1 |
Sets modem to use Hayes Smartmodem 300 responses, CONNECT responses, and blind dialing |
X2 |
Sets modem to use Hayes Smartmodem 300 responses, CONNECT responses, dial tone detection, and blind dialing |
X3 |
Sets modem to use Hayes Smartmodem 300 responses, CONNECT responses, busy detection, and blind dialing |
í X4 |
Set modem to use all responses, dial tone detection, and busy signal detection |
X5 |
Set modem to use all responses, dial tone detection, and busy signal detection |
X6 |
Set modem to use all responses, dial tone detection, and busy signal detection |
X7 |
Sets modem to use Hayes Smartmodem 300 responses, dial tone detection, busy signal detection, and blind dialing |
LINE TYPE | |
Type: |
Configuration |
Format: |
AT [cmds] &Ln [cmds] |
Description: |
Selects line type |
Command |
Line Type |
í &L0 |
Switched line (PSTN/Dial-up) |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays information requested |
Command |
Function |
I0 |
Reports modem model and speed |
I1 |
Reports ROM checksum |
I2 |
Tests and reports internal memory |
I3 |
Reports default speed and modem model |
I4 |
Reports firmware ID |
I9 |
Reports country ID |
RESTORE PROFILE ON POWER-UP | |
Type: |
Configuration |
Format: |
AT [cmds] &Yn [cmds] |
Description: |
Restores a selected profile into the active profile on power-up (hard reset) |
Command |
Function |
í &Y0 |
Restore profile 0 on power-up |
SPEAKER VOLUME | |
Type: |
Configuration |
Format: |
AT [cmds] Ln [cmds] |
Description: |
Controls speaker volume |
Command |
Function |
L0 |
Low volume setting |
í L1 |
Low volume setting |
L2 |
Medium volume setting |
L3 |
Highest volume setting |
TEST MODES | |
Type: |
Immediate |
Format: |
AT [cmds] &Tn |
Description: |
Selects test options |
Command |
Function |
&T0 |
End current test |
&T1 |
Begin local analog loopback test |
&T3 |
Begin local digital loopback test |
&T6 |
Begin remote digital loopback test |
Extended AT Commands
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 |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Description: |
Selects data compression |
Command |
Function |
%C0 |
Data compression disabled |
%C1 |
MNP5 and V.42bis; or data compression and correction enabled |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Description: |
Controls the type of connection the modem will operate in |
Command |
Function |
\N0 |
Enables Normal mode |
\N1 |
Enables Direct mode |
\N2 |
Enables MNP mode |
í \N3 |
Enables V.42/MNP/Normal modes |
\N4 |
Enables V.42 mode |
\N5 |
Enables V.42/MNP/Normal modes |
\N7 |
Enables V.42/MNP/Normal modes |
ERROR CORRECTION | |
Type: |
Immediate |
Format: |
AT [cmds] \Vn [cmds] |
Description: |
Reports error correction result codes |
Command |
Function |
\V0 |
Error correction result codes disabled |
í \V1 |
Error correction result codes enabled |
\V2 |
Error correction result codes enabled |
FLOW CONTROL TYPE | |
Type: |
Configuration |
Format: |
AT [cmds] \Qn [cmds] |
Description: |
Sets type of flow control used by modem |
Command |
Function |
\Q0 |
Flow control disabled |
\Q1 |
Bi-Directional XON/XOFF flow control enabled |
\Q3 |
Bi-Directional RTS/CTS flow control enabled |
RE-DIALING SUPPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Xn [cmds] |
Description: |
Configures re-dialing suppression settings |
Command |
Function |
í %X0 |
Re-dialing suppression disabled |
%X1 |
Re-dialing suppression enabled |
S(status) -Registers
DATA CALLING TONE | |
Type: |
Register |
Format |
AT [cmds] S35=n [cmds] |
Default: |
0 |
Range: |
0, 1 |
Unit: |
Unidentified |
Description: |
Enables the data calling tone |
DIAL LINE RATE | |
Type: |
Register |
Format |
AT [cmds] S38=n [cmds] |
Default: |
0 |
Range: |
0 - 19 |
Unit: |
Unidentified |
Description: |
Sets the 56K dialing rate |
LOCAL PHONE STATUS | |
Type: |
Register |
Format |
AT [cmds] S90=n [cmds] |
Default: |
Unidentified |
Range: |
0, 1 |
Unit: |
Unidentified |
Description: |
0=on hook, 1=off hook |
SLEEP MODE TIMER | |
Type: |
Register |
Format |
AT [cmds] S89=n [cmds] |
Default: |
10 |
Range: |
0, 5 - 255 |
Unit: |
seconds |
Description: |
Sets the sleep mode timer |
SYNTHETIC RING DIALING | |
Type: |
Register |
Format |
AT [cmds] S32=n [cmds] |
Default: |
10 |
Range: |
Unidentified |
Unit: |
dB |
Description: |
Sets the volume of the synthetic ring |
SYNTHETIC RING FREQUENCY | |
Type: |
Register |
Format |
AT [cmds] S33=n [cmds] |
Default: |
0 |
Range: |
0 - 5 |
Unit: |
Unidentified |
Description: |
Sets the value of the synthetic frequency |
TRANSMIT LEVEL | |
Type: |
Register |
Format |
AT [cmds] S92=n [cmds] |
Default: |
15 |
Range: |
6 - 15 |
Unit: |
dB |
Description: |
Sets the transmission level volume |
V.34 MODUALTION | |
Type: |
Register |
Format |
AT [cmds] S28=n [cmds] |
Default: |
1 |
Range: |
0 - 255 |
Description: |
Enables V.34 modulation |