CARDINAL TECHNOLOGIES,INC.
2400V42 (INTERNAL), 2450V42 (INTERNAL)
|
Card Type |
Modem (asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Data Rate |
2400bps |
|
Data Bus |
8-bit ISA |
|
Data Modulation Protocol |
Bell 103/212A ITU-T V.21, V.22, V.22bis |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line out/in |
CN1 |
Line in/out |
CN2 | |||
|
SERIAL PORT ADDRESS | |||||
|
Setting |
IRQ |
SW1/A |
SW1/B |
SW1/C |
SW1/D |
|
COM1 (3F8h) |
4 |
Closed |
Closed |
Closed |
Open |
|
COM2 (2F8h) |
3 |
Open |
Closed |
Open |
Closed |
|
COM3 (3E8h) |
4 |
Closed |
Open |
Closed |
Open |
|
COM4 (2E8h) |
3 |
Open |
Open |
Open |
Closed |
|
INTERRUPT SELECTION | |
|
Setting |
P3 |
|
2 |
Pins 2 & 3 closed |
|
5 |
Pins 1 & 2 closed |
|
Disabled IRQ2 & IRQ5 |
Open |
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, +++, Comma, A/ |
|
A, B, E, H, L, M, O, Q, S, V, X, Y, Z, |
|
&C, &D, &F, &G, &L, &P, &S, &T, &W, &Y, &Z |
|
Extended AT Commands |
|
\A, \B, \C, \G, \J, \L, \O, \U, \X, \Y, \Z |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25, S26, S37 |
|
Special Commands |
|
"H, "O |
|
Note: Please see MHI Help file for full command documentation. |
Proprietary AT Command Set
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %An [cmds] |
|
Default: |
Unidentified |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used as the auto-reliable fallback character |
|
Note: |
AT%A0 will disable this function. |
|
BIT MAPPED REGISTERS | |
|
Register |
Default |
|
S14 |
Unidentified |
|
S20 |
16 |
|
S21 |
Unidentified |
|
S22 |
Unidentified |
|
S23 |
Unidentified |
|
S27 |
Unidentified |
|
S100 |
Unidentified |
|
BREAK TYPE | |||||
|
Type: |
Configuration | ||||
|
Format: |
AT [cmds] \Kn [cmds] | ||||
|
Description: |
Configures action of break signal | ||||
|
Command |
Break from DTE Reliable/Normal mode |
Break from DTE Direct mode |
Break received from remote modem |
Modem receives \B | |
|
\K0 |
Online command mode enabled, send no break to remote modem |
Online command mode enabled, send break to remote modem immediately |
Buffers cleared, break sent to DTE |
Break sent to remote modem and buffers cleared | |
|
\K1 |
Break sent to remote modem and buffers cleared |
Send break to remote modem immediately |
Buffers cleared, break sent to DTE |
Break sent to remote modem and buffers cleared | |
|
\K2 |
Online command mode enabled, send no break to remote modem |
Online command mode enabled, send break to remote modem immediately |
Break sent immediately to DTE |
Send break to remote modem immediately | |
|
\K3 |
Send break to remote modem immediately |
Send break to remote modem immediately |
Break sent immediately to DTE |
Send break to remote modem immediately | |
|
\K4 |
Online command mode enabled, send no break to remote modem |
Online command mode enabled, send break to remote modem immediately |
Break sent with received data to the DTE |
Send break with transmitted data | |
|
í \K5 |
Send break with transmitted data |
Send break to remote modem immediately |
Break sent with received data to the DTE |
Send break with transmitted data | |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Cn [cmds] |
|
Description: |
Selects MNP5 data compression |
|
Command |
Function |
|
%C0 |
MNP5 disabled |
|
í %C1 |
MNP5 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 |
|
í \N1 |
Direct mode enabled |
|
\N2 |
MNP reliable mode enabled |
|
\N3 |
Auto-reliable mode enabled |
|
\N4 |
V.42 reliable mode enabled |
|
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. |
|
Modifier |
Function |
|
P |
Pulse dialing enabled |
|
R |
Answer mode enabled, originate mode disabled following handshake initiation |
|
Sn |
Dial stored telephone number n |
|
T |
Tone dialing enabled |
|
W |
Dialing resumed following dial tone detection |
|
, |
Dialing paused for amount of time specified in S8 register |
|
! |
Modem commanded to go off-hook for specified time before returning on-hook |
|
@ |
Wait for quiet answer |
|
; |
Modem returned to command state after dialing |
|
DISPLAY CONFIGURATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] \S [cmds] |
|
Description: |
Displays current modem settings |
|
EXTENDED RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Vn [cmds] |
|
Description: |
Select standard or extended result codes |
|
Command |
Function |
|
\V0 |
Standard result codes enabled |
|
\V1 |
Extended MNP result codes enabled |
|
\V2 |
Extended V.42 and MNP result codes enabled |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Description: |
Sets type of flow control used by modem |
|
Command |
Function |
|
í \Q0 |
Flow control disabled |
|
\Q1 |
XON/XOFF flow control enabled |
|
\Q2 |
CTS flow control by DCE enabled |
|
\Q3 |
RTS/CTS flow control enabled |
|
INACTIVITY TIMER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Default: |
0 |
|
Range: |
0-90 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
Note: |
AT\T0 will disable timer. |
|
LINE SPEED | ||
|
Type: |
Configuration | |
|
Format: |
AT [cmds] %Nn [cmds] | |
|
Description: |
Controls maximum DCE line speed | |
|
Command |
Function | |
|
í %N0 |
Enable maximum DCE speed | |
|
%N1 |
Maximum DCE speed set to 300bps | |
|
%N2 |
Maximum DCE speed set to 300bps | |
|
%N3 |
Maximum DCE speed set to 300bps | |
|
%N5 |
Maximum DCE speed set to 1200bps | |
|
%N6 |
Maximum DCE speed set to 2400bps | |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports modem code |
|
I1 |
Reports ROM checksum |
|
I2 |
Tests and reports ROM checksum |
|
I3 |
Reports version information |
|
V.42/MNP - DETECTION PHASE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -Jn [cmds] |
|
Description: |
Controls V.42/MNP detection |
|
Command |
Function |
|
-J0 |
V.42 detection disabled |
|
í -J1 |
V.42 detection enabled, then MNP detection |
|
-J2 |
MNP detection enabled, then LAPM detection |
|
V.42bis - DICTIONARY SIZE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] "Nn [cmds] |
|
Default: |
Unidentified |
|
Range: |
512-1024 |
|
Unit: |
Strings |
|
Description: |
Select V.42 dictionary size |