ZOOM TELEPHONICS, INC.
56K PCI DUALMODE
Card Type |
Modem, Fax |
Chip Set |
Unidentified |
Maximum Modem Rate |
56Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.90, K56 flex |
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I |
Data Bus |
32-bit PCI |
Card Size |
Half-length, half-height card |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, E, H, M, P, Q, T, V, X, Y, Z |
&C, &D, &R, &V, &W, &X, &Y, &Z |
Extended AT Commands |
\G, \W |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
TRANSMIT CARRIER | |
Type: |
Configuration |
Format: |
AT [cmds] Cn [cmds] |
Description: |
Controls the transmit carrier switching |
Note: Command performs no function. Included fort compatibility only. |
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 |
DWXY |
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. |
DJ |
Perform MNP10 link negotiation at 1200bps |
DK |
Enable power level adjustment during MNP 10 link negotiation |
D& |
Wait for &T bong tone for credit card dialing before continuing with the remaining 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 product code |
I1 |
Reports the 3 digit pre-computed ROM checksum |
I2 |
Tests and reports ROM checksum |
I3 |
Reports the modem ROM version |
I4 |
TBD |
I5 |
TBD |
I6 |
Reports the modem data pump and model |
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 |
JACK TYPE | |
Type: |
Configuration |
Format: |
AT [cmds] &Jn [cmds] |
Description: |
Selects jack type |
Note: Command performs no function. Included for compatibility only. |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
&K1 |
Reserved |
&K2 |
Reserved |
í &K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled |
&K5 |
Transparent XON/XOFF flow control enabled |
&K6 |
Both RTS/CTS and XON/XOFF flow control enabled |
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 |
í &S1 |
DSR high only while modem is handshaking or connected |
Extended AT Commands
V.23 MODE | ||
Type: |
Configuration | |
Format: |
AT [cmds] %Fn [cmds] | |
Description: |
Selects V.23 split-speed and half-duplex | |
Command |
Function | |
%F1 |
75bps transmit, 1200bps receive (split-speed) | |
%F2 |
1200bps transmit, 75bps receive (split-speed) | |
%F3 |
1200bps transmit, 1200bps receive (half-duplex) |