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)  | |