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 |