AT&T PARADYNE
DATAPORT PCX MODEM (INTERNAL)
| 
 Card Type  | 
 Modem  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 I/O Options  | 
 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  | 
 8-bit ISA  | 
| 
 Card Size  | 
 Half-length  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 Line out via RJ-11  | 
 CN1  | 
 Line in via RJ-11  | 
 CN2  | |||
| 
 SERIAL PORT ADDRESS & INTERRUPT  | |||||||
| 
 Setting  | 
 IRQ  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
| 
 í COM1 (3F8h) | 
 IRQ4  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 COM2 (2F8h)  | 
 IRQ3  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 COM3 (3E8h)  | 
 IRQ2  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 COM3 (3E8h)  | 
 IRQ4  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 COM3 (3E8h)  | 
 IRQ5  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 COM4 (2E8h)  | 
 IRQ2  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 COM4 (2E8h)  | 
 IRQ3  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 COM4 (2E8h)  | 
 IRQ5  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 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  |