ZOOM TELEPHONICS, INC.
PCMCIA 14400
| 
 Card Type  | 
 Fax, Modem (asynchronous)  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Data Rate  | 
 14.4Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 PCMCIA Type II  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Modulation Protocol  | 
 Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.21CH2, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP10, V.42bis  | 
V1920
Proprietary AT Command Set
| 
 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %En [cmds]  | 
| 
 Description:  | 
 Controls auto-retrain mode and auto-fallback/fall-forward  | 
| 
 Command  | 
 Function  | 
| 
 í %E0 | 
 Auto-retrain disabled  | 
| 
 %E1  | 
 Auto-retrain enabled  | 
| 
 %E2  | 
 Auto-fallback/fall-forward enabled  | 
| 
 %E3  | 
 Auto-retrain enabled with fast hang-up  | 
| 
 BIT MAPPED REGISTERS  | |
| 
 Register  | 
 Default  | 
| 
 S14  | 
 Unidentified  | 
| 
 S16  | 
 Unidentified  | 
| 
 S21  | 
 Unidentified  | 
| 
 S22  | 
 Unidentified  | 
| 
 S23  | 
 Unidentified  | 
| 
 S27  | 
 Unidentified  | 
| 
 S28  | 
 Unidentified  | 
| 
 S31  | 
 Unidentified  | 
| 
 S40  | 
 Unidentified  | 
| 
 S41  | 
 Unidentified  | 
| 
 BREAK SEND  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Bn [cmds]  | 
| 
 Default:  | 
 3  | 
| 
 Range:  | 
 1-9  | 
| 
 Unit:  | 
 .1 second  | 
| 
 Description:  | 
 Sends break to modem  | 
| 
 BREAK TYPE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Kn [cmds]  | 
| 
 Description:  | 
 Configures action of break signal  | 
| 
 COMPRESSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Cn [cmds]  | 
| 
 Description:  | 
 Selects data compression  | 
| 
 Command  | 
 Function  | 
| 
 %C0  | 
 Data compression disabled  | 
| 
 %C1  | 
 MNP5 enabled  | 
| 
 %C2  | 
 V.42bis enabled  | 
| 
 í %C3 | 
 MNP5 and V.42bis 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  | 
| 
 \N1  | 
 Direct mode enabled  | 
| 
 \N2  | 
 Reliable mode enabled  | 
| 
 í \N3 | 
 Auto-reliable mode enabled  | 
| 
 \N4  | 
 LAP-M error correcting only enabled  | 
| 
 \N5  | 
 MNP error correcting only enabled  | 
| 
 DIAL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] D <#> [cmds] | 
| 
 Description:  | 
 Dials telephone number according to any modifiers included in the string  | 
| 
 Modifier  | 
 Function  | 
| 
 L  | 
 Redials last number  | 
| 
 P  | 
 Pulse dialing enabled  | 
| 
 T  | 
 Tone dialing enabled  | 
| 
 W  | 
 Dialing resumed following dial tone detection  | 
| 
 ,  | 
 Dialing paused for amount of time specified in S8 register  | 
| 
 @  | 
 Modem waits for a ring-back signal followed by silence up to 5 second prior to executing the rest of the dial string.  | 
| 
 R  | 
 Command recognized and not initiated  | 
| 
 ;  | 
 Modem returned to command mode after dialing.  | 
| 
 !  | 
 Flash function initiated. Goes on-hook for amount of time specified in S29 register  | 
| 
 S=(0-3)  | 
 Number in memory location &Zn dialed  | 
| 
 ^  | 
 Calling tone enabled, data mode only.  | 
| 
 FLOW CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Gn [cmds]  | 
| 
 Description:  | 
 Selects modem port flow control  | 
| 
 Command  | 
 Function  | 
| 
 í \G0 | 
 Flow control disabled  | 
| 
 \G1  | 
 Flow control enabled  | 
| 
 FLOW CONTROL  | ||
| 
 Type:  | 
 Register  | |
| 
 Format:  | 
 AT [cmds] S39=n [cmds]  | |
| 
 Description:  | 
 Select the type of flow control used  | |
| 
 Command  | 
 Function  | |
| 
 S39=0  | 
 Flow control disabled  | |
| 
 í S39=3 | 
 Hardware flow control enabled  | |
| 
 S39=4  | 
 Software flow control enabled  | |
| 
 S39=5  | 
 Transparent software flow control enabled  | |
| 
 S39=6  | 
 Both hardware and software flow control enabled  | |
| 
 LINE SIGNAL LEVEL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] %L [cmds]  | 
| 
 Description:  | 
 Returns a value which indicates the received line signal level (-dBm)  | 
| 
 LINE SIGNAL QUALITY  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] %Q [cmds]  | 
| 
 Description:  | 
 Returns a value which indicates line signal quality  | 
| 
 MAXIMUM BLOCK SIZE FOR TRANSMISSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \An [cmds]  | 
| 
 Description:  | 
 Sets the maximum transmittable block size  | 
| 
 Command  | 
 Function  | 
| 
 \A0  | 
 MNP block size is 64 characters  | 
| 
 í \A1 | 
 MNP block size is 128 characters  | 
| 
 \A2  | 
 MNP block size is 192 characters  | 
| 
 \A3  | 
 MNP block size is 256 characters  | 
| 
 MNP - STREAM/BLOCK MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Ln [cmds]  | 
| 
 Description:  | 
 Selects the transfer mode for MNP link  | 
| 
 Command  | 
 Function  | 
| 
 í \L0 | 
 Stream mode for MNP enabled  | 
| 
 \L1  | 
 Block mode for MNP enabled  | 
| 
 MNP10 - EXTENDED SERVICES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] -Kn [cmds]  | 
| 
 Description:  | 
 Selects MNP10 extended services  | 
| 
 Command  | 
 Function  | 
| 
 -K0  | 
 MNP10 disabled  | 
| 
 í -K1 | 
 MNP10 enabled  | 
| 
 -K2  | 
 MNP10 enabled on originate mode only  | 
| 
 MNP10 - FALLBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] -Qn [cmds]  | 
| 
 Description:  | 
 Allows MNP10 to fall back to speeds slower than 4800bps  | 
| 
 Command  | 
 Function  | 
| 
 -Q0  | 
 MNP10 at 2400 and 1200bps disabled  | 
| 
 í -Q1 | 
 MNP10 at 2400 and 1200bps enabled  | 
| 
 MNP10 - LINK NEGOTIATION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] *Hn [cmds]  | 
| 
 Description:  | 
 Sets the speed at which MNP10 link negotiation will occur  | 
| 
 Command  | 
 Function  | 
| 
 í *H0 | 
 Link will be negotiated at highest possible speed  | 
| 
 *H1  | 
 Link will be negotiated at 1200bps  | 
| 
 *H2  | 
 Link will be negotiated at 4800bps  | 
| 
 MNP10 - POWER LEVEL ADJUST  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] )Mn [cmds]  | 
| 
 Description:  | 
 Controls automatic transmit power level adjustment during MNP 10 link negotiation  | 
| 
 Command  | 
 Function  | 
| 
 í )M0 | 
 Power level adjustment disabled  | 
| 
 )M1  | 
 Power level adjustment enabled  | 
| 
 TRANSMISSION LEVEL - CELLULAR  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] @Mn [cmds]  | 
| 
 Default:  | 
 0  | 
| 
 Range:  | 
 11-31  | 
| 
 Unit:  | 
 -1 dBm  | 
| 
 Description:  | 
 Sets the signal level for transmission while in cellular mode  | 
| 
 Command  | 
 Function  | 
| 
 @M0  | 
 -26 dBm  | 
| 
 @M1  | 
 -30 dBm  | 
| 
 @M2-@M10  | 
 -10 dBm  | 
| 
 V.32 - COMPROMISE EQUALIZER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] :En [cmds]  | 
| 
 Description:  | 
 Controls V.32 compromise equalizer  | 
| 
 Command  | 
 Function  | 
| 
 :E0  | 
 Equalizer disabled  | 
| 
 í :E1 | 
 Equalizer enabled  |