AT&T PARADYNE
DATAPORT PCX MODEM (EXTERNAL)
Card Type |
Modem |
Chip Set |
Unidentified |
I/O Options |
Serial ports, power jack, line in, line out |
Maximum Modem Rate |
57.6Kbps |
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 |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Unidentified |
Data Bus |
External |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
Line out via RJ-11 |
CN1 |
Serial port |
CN3 | |||
Line in via RJ-11 |
CN2 |
Power jack |
CN4 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
TST |
Unidentified |
On |
Modem is executing a test |
TST | Unidentified |
Off |
Modem is not executing a test |
CD |
Unidentified |
On |
Carrier signal detected, connection established |
CD |
Unidentified |
Off |
Carrier signal not detected |
OH |
Unidentified |
On |
Modem is on-hook |
OH |
Unidentified |
Off |
Modem is off-hook |
RD | Unidentified |
On |
Modem is receiving data |
RD |
Unidentified |
Off |
Modem is not receiving data |
SD |
Unidentified |
On |
Modem transmitting data |
SD |
Unidentified |
Off |
Modem not transmitting data |
TR | Unidentified |
On |
DTR signal is high |
TR |
Unidentified |
Off |
DTR signal is low |
MR |
Unidentified |
On |
Power is on |
MR |
Unidentified |
Off |
Power is off |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, ‘comma’, A/ |
A, B, E, H, L, M, O, P, Q, S, T, V, W, X, Y, Z |
&C, &D, &K, &M, &Q, &R, &T, &V, &W, &X, &Y, &Z |
Extended AT Commands |
\K |
%E, %L, %Q |
S Registers |
S0, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S27, S37, S95 |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
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 |
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 quiet 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. |
D& |
Wait for credit card dialing enabled. Waits for prompt tone for amount of time specified by the S7 command |
SELECTS LINE MODULATION | |
Type: |
Configuration |
Format: |
AT [cmds] Fn [cmds] |
Description: |
Controls line modulation and VF rate |
Command |
Function |
í F0 |
Selects auto-detect mode. All supported speeds and modulations are available for selection by the remote modem. |
F1 |
Selects V.21 or Bell 103J (300bps) according to the setting Bn. |
F2 |
Not supported |
F3 |
Selects V.23 |
F4 |
Selects V.22 or Bell 212A (1200bps) according to the setting of Bn |
F5 |
Selects V.22bis (2400bps) |
F6 |
Selects V.32bis or V.32 at 4800bps |
F7 |
Selects V.32bis at 7200bps |
F8 |
Selects V.32bis or V.32 at 9600bps |
F9 |
Selects V.32bis at 12,00bps |
F10 |
Selects V.32bis at 14,400 bps |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays information requested |
Command |
Function |
I0 |
Reports product speed |
I1 |
Reports ROM checksum |
I2 |
Tests and reports ROM checksum |
I3 |
Reports firmware revision level, model, and interface |
I4 |
Reports firmware revision code |
I5 |
Reports country code |
I6 |
Reports data pump model and revision code |
SPEAKER MODE | |
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 |
Auto-mode detection disabled |
í N1 |
Auto-mode detection enabled |
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 |
í &F0 |
Loads factory 0 configuration |
&F1 |
Loads factory 1 configuration |
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 |
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 connected |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Description: |
Controls the type of connection the modem will operate in |
Command |
Function |
\N0 |
Buffer mode enabled |
\N1 |
Direct mode enabled |
Special Commands
FAX/DATA MODE QUERY | |
Type: |
Configuration |
Format: |
AT [cmds] +FCLASS?[cmds] |
Description: |
Displays the fax or data mode expressed as a number. Data mode (0) Fax class (1) |
FAX/DATA MODE SET | |
Type: |
Configuration |
Format: |
AT [cmds] +FCLASS=n [cmds] |
Description: |
Determines whether the modem operates in fax or data mode |
Command |
Function |
FCLASS0 |
Data mode enabled |
FCLASS1 |
Fax class 1 enabled |
RPI TOGGLE | |
Type: |
Configuration |
Format: |
AT [cmds] +Hn [cmds] |
Description: |
Determines whether Rockwell Protocol Interface processing is used. |
Command |
Function |
+H, +H0 |
RPI disabled |
+H11 |
RPI enabled |