CARDINAL TECHNOLOGIES, INC.
CONNECTA 56K INTERNAL WINDOWS FAX MODEM (3250)
|
Card Type |
Modem/Fax card |
|
Chip Set |
Unidentified |
|
I/O Options |
Line in, line out |
|
Maximum Modem Rate |
56Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V34, V.32bis, V.32, V.22bis, V.23, V.22, V.21 |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29, V.21 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
Fax Class |
Class I & II |
|
Data Bus |
8-bit ISA |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
RJ-11 connector |
CN1 |
RJ-11 connector |
CN2 | |||
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, +++, A/ |
|
A, E, F, H, M, O, P, R, T, V |
|
&G, &T, &W, &Z |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38 |
|
Note: See MHI Help File for full command documentation. |
PROPRIETARY AT COMMAND SET
|
COMMUNICATION PROTOCOLS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Bn [cmds] |
|
Description: |
Selects the communication protocol for data calls |
|
Command |
Protocol |
|
B0 |
ITU-T answer sequence. Answers calls originating outside the U.S. or Canada |
|
B1 |
U.S. answer tone |
|
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 |
|
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
|
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"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/ |
Delays 125 ms. Before proceeding with dial string |
|
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports four digit product code |
|
I1 |
Reports DSP checksum |
|
I2 |
Reports RAM checksum |
|
I3 |
Reports ID string |
|
I4 |
Reports current modem settings |
|
I5 |
Reports NVRAM settings |
|
I6 |
Reports data connection information |
|
I7 |
Reports manufacturer and model information |
|
I10 |
Reports VxD configuration |
|
SPEAKER VOLUME | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Ln [cmds] |
|
Description: |
Controls speaker volume |
|
Command |
Function |
|
L0 |
Low volume setting |
|
L1 |
Low volume setting |
|
L2 |
Medium volume setting |
|
L3 |
Highest volume setting |
|
RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Qn [cmds] |
|
Description: |
Enables modem to send result codes to the DTE |
|
Command |
Function |
|
í Q0 |
Result code sending enabled |
|
Q1 |
Result code sending disabled |
|
Q2 |
Result code sending only in originate mode |
|
SELECT CALL PROGRESS RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Xn [cmds] |
|
Description: |
Enables selection of tone detection and associated result code format options |
|
Command |
Function |
|
X0 |
Busy and dial tone detection disabled; result codes 0 - 4, 155 - 236 enabled. |
|
X1 |
Busy and dial tone detection disabled; result codes 0 - 5, 10, 13 - 236 enabled. |
|
X2 |
Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6, 10 13 - 236 enabled. |
|
X3 |
Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7, 8, 10-236 enabled. |
|
X4 |
Busy and dial tone detection enabled; result codes 0 - 8, 10, 13-236 enabled. |
|
LONG SPACE DISCONNECT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Yn [cmds] |
|
Description: |
Commands disconnection configuration |
|
Command |
Function |
|
í Y0 |
Profile 0 in NVRAM |
|
Y1 |
Profile 1 in NVRAM |
|
Y2 |
Hardware flow control (&F1) |
|
Y3 |
Software flow control (&F2) |
|
SOFT RESET | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] Zn [cmds] |
|
Description: |
Restores modem profiles previously saved in non-volatile RAM using the &W command. |
|
Command |
Function |
|
Z0 |
Restore setting to profile selected by Y |
|
Z1 |
Restore setting NVRAM profile 0 |
|
Z2 |
Restore setting NVRAM profile 1 |
|
Z3 |
Restores setting to factory default profile 0 |
|
Z4 |
Restores setting to factory default profile 1 |
|
Z5 |
Restores setting to factory default profile 2 |
|
AUTO-ANSWER - ORIGINATE/ANSWER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &An [cmds] |
|
Description: |
Enables or disables additional result code subsets |
|
Command |
Function |
|
&A0 |
ARQ result codes disabled |
|
í &A1 |
ARQ result codes enabled |
|
&A2 |
V.32 modulation indicator added in calls 4800bps or higher |
|
&A3 |
Protocol indicators added |
|
DATA CARRIER DETECT (DCD) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Cn [cmds] |
|
Description: |
Selects whether the DCD option is enabled or disabled |
|
Command |
Function |
|
&C0 |
DCD override enabled |
|
&C1 |
DCD enabled after carrier signal detected |
|
DATA TERMINAL READY (DTR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Dn [cmds] |
|
Description: |
Selects modem response to DTR |
|
Command |
Function |
|
&D0 |
DTR override |
|
&D1 |
DTR toggle causes online command mode |
|
í &D2 |
Normal DTR operations |
|
&D3 |
Resets on receipt of DTR |
|
FACTORY DEFAULT PROFILE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &F [cmds] |
|
Description: |
Sets values in active profile to values found in the default profile |
|
Command |
Function |
|
&F0 |
Generic template |
|
&F1 |
Factory configuration1; hardware flow control template |
|
&F2 |
Factory configuration 2; software flow control template |
|
TRANSMIT DATA FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Hn [cmds] |
|
Description: |
Enables TD flow control options |
|
Command |
Function |
|
í &H0 |
Flow control disabled |
|
&H1 |
CTS flow control enabled |
|
&H2 |
Software flow control enabled |
|
&H3 |
Hardware and software flow control enabled |
|
RECEIVE DATA FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Hn [cmds] |
|
Description: |
Enables RD flow control options |
|
Command |
Function |
|
í &I0 |
Software flow control disabled |
|
&I1 |
XON/XOFF signals to modem and remote system. Responds to S22, S23. |
|
&I2 |
XON/XOFF signals only to modem. Responds to S22, S23. |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Kn [cmds] |
|
Description: |
Enables/disables flow control |
|
Command |
Line Type |
|
&K0 |
Flow control disabled |
|
&K1 |
Hardware, RTS/CTS flow control enabled |
|
&K2 |
Software, XON/XOFF flow control enabled |
|
í &K3 |
Transparent software, XON/XOFF flow control enabled |
|
ERROR CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Mn [cmds] |
|
Description: |
Sets error control for connections at 1200bps and higher |
|
Command |
Mode |
|
&M0 |
Error control disabled |
|
í &M4 |
Normal/ARQ mode. |
|
&M5 |
ARQ mode |
|
CONNECTION SPEED UPPER LIMIT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Nn [cmds] |
|
Description: |
Sets required connection speed if &U is set to 0; otherwise, sets fastest allowed connection speed. |
|
Command |
Function |
|
&N0 |
No maximum connect speed. |
|
&N1 |
Set maximum connect speed to 300bps. |
|
&N2 |
Set maximum connect speed to 1200bps. |
|
&N3 |
Set maximum connect speed to 2400bps. |
|
&N4 |
Set maximum connect speed to 4800bps. |
|
&N5 |
Set maximum connect speed to 7200bps. |
|
&N6 |
Set maximum connect speed to 9600bps. |
|
&N7 |
Set maximum connect speed to 12Kbps. |
|
&N8 |
Set maximum connect speed to 14.4Kbps. |
|
&N9 |
Set maximum connect speed to 16.8Kbps. |
|
&N10 |
Set maximum connect speed to 19.2Kbps. |
|
&N11 |
Set maximum connect speed to 21.6Kbps. |
|
&N12 |
Set maximum connect speed to 24Kbps. |
|
&N13 |
Set maximum connect speed to 26.4Kbps. |
|
&N14 |
Set maximum connect speed to 28.8Kbps. |
|
&N15 |
Set maximum connect speed to 31.2Kbps. |
|
&N16 |
Set maximum connect speed to 33.6Kbps. |
|
&N17 |
Set maximum connect speed to 33.3Kbps. |
|
&N18 |
Set maximum connect speed to 37.3Kbps. |
|
&N19 |
Set maximum connect speed to 41.3Kbps. |
|
&N20 |
Set maximum connect speed to 42.6Kbps. |
|
&N21 |
Set maximum connect speed to 44.0Kbps. |
|
&N22 |
Set maximum connect speed to 45.3Kbps. |
|
&N23 |
Set maximum connect speed to 46.6Kbps. |
|
&N24 |
Set maximum connect speed to 48.0Kbps. |
|
&N25 |
Set maximum connect speed to 49.3Kbps. |
|
&N26 |
Set maximum connect speed to 50.6Kbps. |
|
&N27 |
Set maximum connect speed to 52.0Kbps. |
|
&N28 |
Set maximum connect speed to 53.3Kbps. |
|
&N29 |
Set maximum connect speed to 54.6Kbps. |
|
&N30 |
Set maximum connect speed to 56.0Kbps. |
|
&N31 |
Set maximum connect speed to 57.3Kbps. |
|
PULSE DIALING RATIO | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Pn [cmds] |
|
Description: |
Selects pulse dial make/break ratio |
|
Command |
Function |
|
&P0 |
39/61ms at 10pps (North America) |
|
&P1 |
33/67ms at 10pps (Europe) |
|
RTS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Rn [cmds] |
|
Description: |
Selects RTS/CTS options |
|
Command |
Function |
|
í &R1 |
RTS ignored |
|
&R2 |
Received data to computer only on RTS |
|
DATA SET READY (DSR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Sn [cmds] |
|
Description: |
Selects DSR options |
|
Command |
Function |
|
í &S0 |
DSR forced high |
|
&S1 |
DSR high only while modem is handshaking or connected |
|
CONNECTION SPEED LOWER LIMIT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Un [cmds] |
|
Description: |
Sets slowest allowed connection speed if &N is set to 1 or higher. |
|
Command |
Function |
|
&U0 |
No minimum connect speed. |
|
&U1 |
Set minimum connect speed to 300bps. |
|
&U2 |
Set minimum connect speed to 1200bps. |
|
&U3 |
Set minimum connect speed to 2400bps. |
|
&U4 |
Set minimum connect speed to 4800bps. |
|
&U5 |
Set minimum connect speed to 7200bps. |
|
&U6 |
Set minimum connect speed to 9600bps. |
|
&U7 |
Set minimum connect speed to 12Kbps. |
|
&U8 |
Set minimum connect speed to 14.4Kbps. |
|
&U9 |
Set minimum connect speed to 16.8Kbps. |
|
&U10 |
Set minimum connect speed to 19.2Kbps. |
|
&U11 |
Set minimum connect speed to 21.6Kbps. |
|
&U12 |
Set minimum connect speed to 24Kbps. |
|
&U13 |
Set minimum connect speed to 26.4Kbps. |
|
&U14 |
Set minimum connect speed to 28.8Kbps. |
|
&U15 |
Set minimum connect speed to 31.2Kbps. |
|
&U16 |
Set minimum connect speed to 33.6Kbps. |
|
&U17 |
Set minimum connect speed to 33.3Kbps. |
|
&U18 |
Set minimum connect speed to 37.3Kbps. |
|
&U19 |
Set minimum connect speed to 41.3Kbps. |
|
&U20 |
Set minimum connect speed to 42.6Kbps. |
|
&U21 |
Set minimum connect speed to 44.0Kbps. |
|
&U22 |
Set minimum connect speed to 45.3Kbps. |
|
&U23 |
Set minimum connect speed to 46.6Kbps. |
|
&U24 |
Set minimum connect speed to 48.0Kbps. |
|
&U25 |
Set minimum connect speed to 49.3Kbps. |
|
&U26 |
Set minimum connect speed to 50.6Kbps. |
|
&U27 |
Set minimum connect speed to 52.0Kbps. |
|
&U28 |
Set minimum connect speed to 53.3Kbps. |
|
&U29 |
Set minimum connect speed to 54.6Kbps. |
|
&U30 |
Set minimum connect speed to 56.0Kbps. |
|
&U31 |
Set minimum connect speed to 57.3Kbps. |
|
BREAK HANDLING | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Yn [cmds] |
|
Description: |
Sets destructive/nondestructive break handling |
|
Command |
Function |
|
&Y0 |
Destructive, but doesn’t send break |
|
&Y1 |
Destructive, expedited |
|
&Y2 |
Nondestructive, expedited |
S(STATUS) -REGISTERS
|
BIT-MAPPED REGISTER S13 | ||
|
Format: |
AT [cmds] S13=n [cmds] | |
|
Range: |
0-174 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls reset, dial mode | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Unidentified Resets when DTR drops |
|
1 |
0 1 |
Unidentified Resets non-MNP transmit buffer from 1.5K to 128bytes |
|
2 |
0 1 |
Unidentified Sets backspace key to delete |
|
3 |
0 1 |
Unidentified On DTR signal, auto dials number stared at NVRAM position 0 |
|
4 |
0 1 |
Unidentified At power on/reset, auto dials number stared at NVRAM position 0 |
|
5 |
0 1 |
Enables V.32bis ASL mode Disables V.31bis ASL mode |
|
6 |
0 1 |
Enables quick retrains Disables quick retrains |
|
7 |
0 1 |
Unidentified Disconnect on escape code |
|
BIT-MAPPED REGISTER S15 | ||
|
Format: |
AT [cmds] S15=n [cmds] | |
|
Unit: |
Bit-mapped | |
|
Description: |
Disable/Enable MNP | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Enable ARQ/MNP for V.22 Disable ARQ/MNP for V.22 |
|
1 |
0 1 |
Enable ARQ/MNP for V.22bis Disable ARQ/MNP for V.22bis |
|
2 |
0 1 |
Enable ARQ/MNP for V.32/V.32bis/V.32terbo Enable ARQ/MNP for V.32/V.32bis/V.32terbo |
|
3 |
0 1 |
Enable MNP handshake Disable MNP handshake |
|
4 |
0 1 |
Enable MNP level 4 Disable MNP level 4 |
|
5 |
0 1 |
Enable MNP level 3 Disable MNP level 3 |
|
6 |
0 1 |
MNP compatibility MNP incompatibility |
|
7 |
0 1 |
Enable V.42 operation Disable V.42 operation |
|
TEST MODES | ||
|
Type: |
Register | |
|
Format: |
AT [cmds] S16=n [cmds] | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls touch tone dialing test. | |
|
Bit |
Value |
Function |
|
0 |
0 |
Reserved |
|
1 |
0 1 |
Touch tone dialing test not in progress Touch tone dialing test in progress |
|
2 |
0 1 |
Test pattern generation not in progress Test pattern generation in progress |
|
3-7 |
0 |
Reserved |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S19=n [cmds] |
|
Unit: |
10 seconds |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
Note: S19=0 disables the timer and allows indefinite inactivity. | |
|
BREAK LENGTH | |
|
Type: |
Register |
|
Format |
AT [cmds] S21=n [cmds] |
|
Unit: |
10ms |
|
Description: |
Sets duration of breaks sent from the modem to the computer |
Note: Applies to MNP or V.42 mode only. | |
|
FLOW CONTROL CHARACTER - XON | |
|
Type: |
Register |
|
Format: |
AT [cmds] S22=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XON |
|
FLOW CONTROL CHARACTER - XOFF | |
|
Type: |
Register |
|
Format: |
AT [cmds] S23=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XOFF |
|
BIT-MAPPED REGISTER S27 | ||
|
Format |
AT [cmds] S27=n [cmds] | |
|
Range: |
0-255 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Enables/disables modulation protocols | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Disable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both overseas and domestic calls, but only originates V.21 calls Enable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both overseas and domestic calls, but only originates V.21 calls |
|
1 |
0 1 |
Disable unencoded modulation in V.32 mode Enable unencoded modulation in V.32 mode |
|
2 |
0 1 |
Enable V.32 modulation Disable V.32 modulation |
|
3 |
0 1 |
Enable 2100Hz answer tone Disable 2100Hz answer tone |
|
4 |
0 1 |
Disable V.23 fallback mode Enable V.23 fallback mode |
|
5 |
0 1 |
Enable V.32bis mode Disable V.32bis mode |
|
6 |
0 |
Reserved |
|
7 |
0 1 |
Enable codes Disable codes and enters software compatibility mode |
|
CONNECTION TIME | |
|
Type: |
Register |
|
Format |
AT [cmds] S28=n [cmds] |
|
Unit: |
.1 second |
|
Description: |
Sets V.32 duration |
|
Command |
Function |
|
S28=0 |
Eliminates the V.32 answer tone for a faster connection |
|
S28=8 |
Times are in .1 second |
|
S28=255 |
Disable connections except V.32 at 9600bps |
|
FALLBACK TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S29=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
.01 second |
|
Description: |
Sets the duration of the V.21 answer mode fallback timer |
|
BIT-MAPPED REGISTER S32 | |||
|
Format: |
AT [cmds] S32=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Select setup for 28.8 and higher speed modems | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Disable V.8 call indicate Enable V.8 call indicate | |
|
1 |
0 1 |
Disable V.8 mode Enable V.8 mode | |
|
2 |
0 1 |
Enable V.FC modulation Disable V.FC modulation | |
|
3 |
0 1 |
Enable V.34 modulation Disable V.34 modulation | |
|
4 |
0 1 |
Enable V.34+ modulation Disable V.34+ modulation | |
|
5-7 |
0 |
Reserved | |
|
BIT-MAPPED REGISTER S33 | |||
|
Format: |
AT [cmds] S33=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Disable/enable data rates | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Enable 2400 symbol rate Disable 2400 symbol rate | |
|
1 |
0 1 |
Enable 2743 symbol rate Disable 2743 symbol rate | |
|
2 |
0 1 |
Enable 2800 symbol rate Disable 2800 symbol rate | |
|
3 |
0 1 |
Enable 3000 symbol rate Disable 3000 symbol rate | |
|
4 |
0 1 |
Enable 3200 symbol rate Disable 3200 symbol rate | |
|
5 |
0 1 |
Enable 3429 symbol rate Disable 3429 symbol rate | |
|
6 |
0 |
Reserved | |
|
7 |
0 1 |
Enable shaping Disable shaping | |
|
BIT-MAPPED REGISTER S34 | |||
|
Format: |
AT [cmds] S34=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Disable/enable trellis encoding | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Enable 8S-2D trellis encoding Disable 8S-2D trellis encoding | |
|
1 |
0 1 |
Enable 16S-4D trellis encoding Disable 16S-4D trellis encoding | |
|
2 |
0 1 |
Enable 32S-2D trellis encoding Disable 32S-2D trellis encoding | |
|
3 |
0 1 |
Enable 64S-4D trellis encoding Disable 64S-4D trellis encoding | |
|
4 |
0 |
Reserved | |
|
5 |
0 1 |
Enable TX level deviation Disable TX level deviation | |
|
6 |
0 1 |
Enable pre-emphasis Disable pre-emphasis | |
|
7 |
0 1 |
Enable pre-coding Disable pre-coding | |