MAXTECH CORPORATION
XPVS 288I (SF-1128HV/R12-PNP)
Card Type | Modem, Fax |
Chip Set | Unidentified |
I/O Options | Line in, line out, speaker out, microphone in |
Maximum Modem Rate | 28.8Kbps |
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 |
Fax Modulation Protocol | ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |
Fax Class | Class I & II |
Data Bus | 8-bit ISA |
Card Size | Half-length, half-height card |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line out | CN1 | Microphone in | CN3 | |||
Line in | CN2 | Speaker out | CN4 | |||
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, B, E, H, M, O, P, Q, T, V, W, X, Y, Z |
&C, &F, &P, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \Bn, \Kn, \N |
%C, %L, %Q |
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, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S86, S91, S92, S95 |
Special Commands |
#BDR, #CID, #MDL?, #MFR?, #REV?, #TL, #VBQ?, #VBS, #VBT, #VCI?, #VLS, #VRA, #VRN, #VRX, |
#VSDB, #VSK, #VSP, #VSR, #VSS, #VTD, #VTM, #VTS, #VTX, +MS |
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 |
CLEAR TO SEND | |
Type: | Configuration |
Format: | AT [cmds] &R [cmds] |
Description: | Configures Clear to Send operation |
Command | Function |
&R0 | Reserved |
&R1 | CTS operation is based upon flow control requirements |
COMMUNICATIONS MODE | |
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects communications mode |
Command | Mode |
í &M0 | Asynchronous mode |
COMMUNICATIONS MODE (DATA LINK) | |
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 |
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 |
GAURD TONE | |
Type: | Immediate |
Format: | AT [cmds] &G [cmds] |
Description: | Configures guard tone |
Command | Function |
&G0 | Disable guard tone |
&G1 | Disable guard tone |
&G2 | Set guard tone to 1800 Hz. |
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 the product ID code |
I1 | Reports ROM checksum test |
I2 | Tests and reports internal memory |
I3 | Reports the firmware ID |
I4 | Reports the reserved ID |
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 |
Extended AT Command Set
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 |