MAXTECH CORPORATION
XVM 14U (SF-1114HV/UMC)
Card Type | Modem (asynchronous), Fax |
Chip Set | Unidentified |
I/O Options | Microphone, speaker out, line in, line out |
Maximum Modem Rate | 14.4Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 212 ITU-T V.32bis, V.32, , V.25bis, V.22bis, V.22, V.21, |
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 | 8-bit ISA |
Card Size | Half-length, half-height card |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line in | CN1 | Microphone | CN3 | |||
Line out | CN2 | Speaker out | CN4 | |||
SERIAL PORT ADDRESS | |||
Setting | J1 | J2 | J3 |
COM1 (3F8h) | Open | Open | Open |
COM2 (2F8h) | Closed | Open | Open |
COM3 (3E8h) | Open | Closed | Open |
COM4 (2E8h) | Closed | Closed | Open |
INTERRUPT | |||||
Setting | J4 | J5 | J6 | J7 | J8 |
2/9 | Closed | Open | Open | Open | Open |
3 | Open | Closed | Open | Open | Open |
4 | Open | Open | Closed | Open | Open |
5 | Open | Open | Open | Closed | Open |
7 | Open | Open | Open | Open | Closed |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, B, E, H, M, O, Q, V, X, Y, Z |
&C, &F, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \E, \G, \J, \K, \V, \X |
%A, |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26, |
S27, S30, S46, S82, S95 |
Voice Commands |
#MFR, #CLS, #VBT, #VLS, #VCI, #BDR, #VRX, #VBS, #VTX, #REV |
Note: See MHI Help File for full command documentation. |
PROPRIATARY AT COMMAND SET
AUTO-MODE DETECTION | |
Type: | Configuration |
Format: | AT [cmds] Nn [cmds] |
Description: | Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. |
Command | Function |
N0 | Disabled autoscan mode |
í N1 | Enable autoscan mode |
DATA TERMINAL READY (DTR) | |
Type: | Configuration |
Format: | AT [cmds] &Dn [cmds] |
Description: | Selects modem response to DTR |
Note: The action each variant of &D causes depends on the setting of &Q | |
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 |
COMMUNICATIONS MODE | |
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects communications mode |
Command | Mode |
í &M0 | Asynchronous mode |
DATA SET READY (DSR) | |
Type: | Configuration |
Format: | AT [cmds] &Sn [cmds] |
Description: | Selects DSR options |
Command | Function |
&S0 | DSR forced high |
&S1 | DSR is off in command mode, on in on-line mode |
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 |
DP | Pulse dialing enabled |
DS=n | Dial stored telephone number n |
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@ | 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. |
EXTENDED RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] Wn [cmds] |
Description: | Enables selection of additional result codes when S95=0; otherwise, S95 takes precedence. |
Command | Function |
W0 | Disable extended response code |
í W1 | Enable extended response code |
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 | 33/67ms at 10pps (Europe) |
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 ROM checksum |
I3 | Reports device ID |
SPEAKER VOLUME | |
Type: | Configuration |
Format: | AT [cmds] Ln [cmds] |
Description: | Controls speaker volume |
Command | Function |
L0 | Low volume setting |
L1 | Low volume setting |
í L2 | Medium volume setting |
L3 | Highest volume setting |
EXTENDED AT COMMAND SET
ADAPTIVE HANDSHAKING | |
Type: | Configuration |
Format: | AT [cmds] *Gn [cmds] |
Description: | Controls the adaptive handshaking |
Command | Function |
í *G0 | Adaptive handshaking disabled |
*G1 | Adaptive handshaking enabled |
AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] *Qn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
*Q0 | Auto-retrain disabled |
*Q1 | Auto-retrain enabled |
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
%C1 | Data compression enabled |
CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Controls the type of connection the modem will operate in |
Command | Function |
\N0 | Normal mode enabled |
\N1 | Direct mode enabled |
\N2 | MNP data link only |
\N3 | MNP/Normal data link only |
\N4 | V.42 reliable mode enabled |
\N5 | V.42/MNP/Normal reliable mode enabled |
DCE SPEED | |
Type: | Configuration |
Format: | AT [cmds] *Nn [cmds] |
Description: | Sets maximum DCE speed |
Command | Function |
*N0 | Set maximum DCE speed to 1200bps |
*N1 | Set maximum DCE speed to 2400bps |
*N2 | Set maximum DCE speed to 4800bps |
*N3 | Set maximum DCE speed to 9600bps |
*N4 | Set maximum DCE speed to 7200bps |
*N5 | Set maximum DCE speed to 12000bps |
*N6 | Set maximum DCE speed to 14400bps |
*N7 | Set maximum DCE speed to 1200/75bps |
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 | Bidirectional XON/XOFF software flow control enabled |
\Q2 | CTS flow control by DCE enabled |
\Q3 | Bidirectional RTS/CTS flow control enabled |
USER ABORT | |
Type: | Configuration |
Format: | AT [cmds] *Pn [cmds] |
Description: | Enables modem to echo received data |
Command | Function |
*P0 | User abort enabled |
*P1 | User abort disabled |