MAXTECH CORPORATION
XVM 144E (CL-MD1414ECT)
Card Type |
Modem (asynchronous), fax |
Chip Set |
Unidentified |
Maximum Modem Rate |
14.4Kbps |
Maximum Fax Rate |
Unidentified |
Data Modulation Protocol |
Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29, |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I |
Data Bus |
External |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
DC power |
CN1 |
Line out |
CN4 | |||
Serial port |
CN2 |
Power switch |
SW1 | |||
Line in |
CN3 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
AA |
Unidentified |
On |
Auto-answer enabled |
AA |
Unidentified |
Off |
Auto-answer disabled |
RD |
Unidentified |
On |
Modem is receiving data |
RD |
Unidentified |
Off |
Modem is not receiving data |
SD |
Unidentified |
On |
Modem is transmitting data |
SD |
Unidentified |
Off |
Modem is not transmitting data |
CD |
Unidentified |
On |
Carrier signal detected |
CD |
Unidentified |
Off |
Carrier signal not detected |
OH |
Unidentified |
On |
Modem is off-hook |
OH |
Unidentified |
Off |
Modem is on-hook |
HS |
Unidentified |
On |
Modem is operating at 4800bps or faster |
HS |
Unidentified |
Off |
Modem is operating at slower than 4800bps |
TR |
Unidentified |
On |
DTR signal is high |
TR |
Unidentified |
Off |
DTR signal is low |
TST |
Unidentified |
On |
Modem is in test mode |
TST |
Unidentified |
Off |
Modem is not in test mode |
MR |
Unidentified |
On |
Power is on |
MR |
Unidentified |
Off |
Power is off |
Note: The location and configuration of the diagnostic LEDs is unidentified |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, B, E, H, M, O, P, Q, T, V, X, Y, Z |
&C, &F, &G, &T, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \C, \G, \J, \O, \U, \X, \Y, \Z |
%A, "H, -J |
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, S37, S90, S108, S109 |
Note: See MHI Help File for full command documentation. |
Proprietary 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 |
Connect only at DTE rate |
í N1 |
Automatic rate negotiation |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects communications mode |
Command |
Mode |
í &M0 |
Asynchronous mode |
CONFIGURATION PROFILES | |
Type: |
Immediate |
Format: |
AT [cmds] &V [cmds] |
Description: |
Displays active and stored configuration profiles |
Command |
Function |
&V0 |
Displays active and stores profile 0 |
&V1 |
Displays active and stored profile 1 |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
í &S0 |
DSR forced high |
&S1 |
DSR is off in command mode, on in on-line 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 |
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 |
DR |
Originate calls in answer mode |
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. |
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 |
Reports internal memory test |
I3 |
Reports device ID |
I4 |
Reports internal 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 |
TRELLIS CODING | |
Type: |
Configuration |
Format: |
AT [cmds] &Un [cmds] |
Description: |
Controls trellis coding |
Command |
Function |
&U0 |
Trellis coding enabled |
&U1 |
Trellis coding disabled |
Extended AT Command Set
AUTO FALL FORWARD/BACK | |
Type: |
Configuration |
Format: |
AT [cmds] %Gn [cmds] |
Description: |
Controls the auto fall forward/back |
Command |
Function |
%G0 |
Enable auto fall forward/back |
%G1 |
Disable auto fall forward/back |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Description: |
Controls the type of connection the modem will operate in |
Command |
Function |
\N0 |
Normal data-link only |
\N1 |
Direct data-link only |
\N2 |
MNP data-link only |
\N3 |
V.42/MNP/Normal data-link only |
\N4 |
V.42 data-link only |
EXTENDED RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] \Vn [cmds] |
Description: |
Selects extended result codes |
Command |
Function |
\V0 |
Do not send extended responses |
\V1 |
Send extended response set 1 |
\V2 |
Send extended response set 2 |
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 flow control enabled |
\Q2 |
CTS flow control by DCE enabled |
\Q3 |
Bidirectional RTS/CTS flow control enabled |
INACTIVITY TIMER | |
Type: |
Configuration |
Format: |
AT [cmds] \Tn [cmds] |
Default: |
0 |
Range: |
0-9 |
Unit: |
1 second |
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
MNP CLASS 5 DATA COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Description: |
Controls the MNP class 5 data compression |
Command |
Function |
%C0 |
Disable MNP class 5 data compression |
%C1 |
Enable MNP class 5 data compression |
V.22bis AUTO-RETRAIN | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Description: |
Controls the V.22bis auto-retrain |
Command |
Function |
%E0 |
V.22bis auto-retrain disabled |
%E1 |
V.22bis auto-retrain enabled |
V.42bis DATA BLOCK | |
Type: |
Configuration |
Format: |
AT [cmds] "On [cmds] |
Default: |
16 |
Range: |
6-250 |
Description: |
Set maximum V.42bis data block size to n. Default is 16 (n=6-250) |
STANDARD AT# VOICE COMMAND SET
BEEP TONE | |
Type: |
Immediate |
Format: |
AT [cmds] #VBP [cmds] |
Description: |
Generate beep tone |
VOICE MODE | |
Type: |
Immediate |
Format: |
AT [cmds] #VCL=n [cmds] |
Description: |
Voice mode selection. Default is 0 |
COMMAND MODE SILENCE | |
Type: |
Immediate |
Format: |
AT [cmds] #VSCD=n [cmds] |
Description: |
Command mode silence detection. Default is 0 |
INPUT PIN SELECTION | |
Format: |
AT [cmds] #VGPS=n [cmds] |
Default: |
Unidentified |
Range: |
0 - 7 |
Description: |
Input pin function selection. Default is 0 |
INPUT PIN CHARACTER | |
Type: |
Configuration |
Format: |
AT [cmds] #VGPC=n [cmds] |
Description: |
Input pin character selection. Default is 0 |
INPUT PINS | |
Type: |
Configuration |
Format: |
AT [cmds] #VIN |
Description: |
Read general purpose input pins |
INITIALIZE PARAMETER | |
Type: |
Immediate |
Format: |
AT [cmds] #VIP=n [cmds] |
Description: |
Initialize parameter. Default is 0 |
RELAY/SPEAKER CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] #VLN=n [cmds] |
Description: |
Relay/speaker control. Default is 0 |
OUTPUT PINS | |
Format: |
AT [cmds] #VOUT=n [cmds] |
Description: |
Write to output pins. Default is 0 |
TELEPHONE EMULATION | |
Type: |
Immediate |
Format: |
AT [cmds] #VPH |
Description: |
Telephone emulation mode |
PLAY LEVEL | |
Type: |
Immediate |
Format: |
AT [cmds] #VPL=n |
Description: |
Play level. Default is 0 |
PLAY MODE | |
Format: |
AT [cmds] #VPY |
Description: |
Play mode |
RECORD MODE | |
Format |
AT [cmds] #VRD |
Description: |
Record mode |
RECORD LEVEL | |
Type: |
Configuration |
Format: |
AT [cmds] #VRL=n [cmds] |
Default: |
127 |
Description: |
Sets the recording level |
RECORDING SILENCE THRESHOLD | |
Type: |
Configuration |
Format: |
AT [cmds] #VSL=n [cmds] |
Default: |
127 |
Description: |
Sets the recording silence threshold level |
SAMPLING MODE | |
Type: |
Immediate |
Format: |
AT [cmds] #VSM=n [cmds] |
Default: |
CL1 |
Description: |
Sets the sampling mode |
RECORD "Q" SILENCE TIME | |
Type: |
Immediate |
Format: |
AT [cmds] #VSQT=n [cmds] |
Default: |
60 |
Description: |
Record "q" silence time. |
VOICE SAMPLING RATE | |
Type: |
Configuration |
Format: |
AT [cmds] #VSR=n [cmds] |
Description: |
Sets the sampling rate used when recording voice signals. |
Command |
Function |
#VSR=7200 |
Selects a sampling rate of 7.2KHz. |
#VSR=11025 |
Selects a sampling rate of 11.025KHz in PCM encoding only. |
RECORD "s" SILENCE TIME | |
Type: |
Configuration |
Format: |
AT [cmds] #VSST=n [cmds] |
Default: |
60 |
Description: |
Record the "s" silence time |