SOUTH MOUNTAIN TELECOMMUNICATIONS
SM-5743
| 
 Card Type  | 
 Fax, Modem (asynchronous)  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Modem Rate  | 
 14.4Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.21,V.22, V.22bis, V.32, V.32bis  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.21 ch2, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP2-5, V.42, V.42bis  | 
| 
 Boot ROM  | 
 Not available  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 Line in  | 
 CN1  | 
 Line out  | 
 CN2  | |||
| 
 SERIAL PORT ADDRESS  | ||
| 
 Setting  | 
 SW1/1  | 
 SW1/2  | 
| 
 í COM1 (3F8h) | 
 On  | 
 On  | 
| 
 COM2 (2F8h)  | 
 Off  | 
 On  | 
| 
 COM3 (3E8h)  | 
 On  | 
 Off  | 
| 
 COM4 (2E8h)  | 
 Off  | 
 Off  | 
| 
 INTERRUPT  | ||
| 
 Setting  | 
 SW1/3  | 
 SW1/4  | 
| 
 2  | 
 On  | 
 Off  | 
| 
 3  | 
 Off  | 
 On  | 
| 
 í 4 | 
 On  | 
 On  | 
| 
 5  | 
 Off  | 
 Off  | 
Proprietary AT Command Set
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, D, H, L, M, N, O, Q, V, W, X, Z  | 
| 
 &D, &F, &G, &J, &K, &V, &W, &Y, &Z  | 
| 
 Extended AT Commands  | 
| 
 \A, \B, \G, \K, \V, \X, %A, %C, %E, %L, %Q  | 
| 
 S-Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S46, S48  | 
Note: See MHI documentation for complete information.  | 
| 
 UNIDENTIFIED COMMANDS  | |
| 
 Command  | 
 Default  | 
| 
 S37  | 
 0  | 
| 
 S42  | 
 0  | 
| 
 COMMUNICATION PROTOCOLS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Bn [cmds]  | 
| 
 Description:  | 
 Selects the communication protocol for data calls  | 
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. | |
| 
 Command  | 
 Protocol  | 
| 
 B0  | 
 ITU-T V.22 at 1200bps  | 
| 
 í B1 | 
 Bell 212A at 1200bps  | 
| 
 B2  | 
 V.23- originate mode receive at 1200bps, send at 75bps; answer mode receive at 75bps, send at 1200bps  | 
| 
 B3  | 
 V.23- originate mode receive at 75bps, send at 1200bps; answer mode receive at 1200bps, send at 75bps  | 
| 
 CONNECT MODE  | ||
| 
 Type:  | 
 Immediate  | |
| 
 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  | 
 MNP reliable mode enabled  | |
| 
 í\N4  | 
 Auto-reliable mode enabled  | |
| 
 DISPLAY INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Description:  | 
 Displays information requested about the modem.  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Displays product identification code.  | 
| 
 I1  | 
 Displays ROM checksum.  | 
| 
 I3  | 
 Displays firmware revision.  | 
| 
 I4  | 
 Displays product features.  | 
| 
 INACTIVITY TIMER  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S30=n [cmds]  | 
| 
 Default:  | 
 0  | 
| 
 Range:  | 
 0-90  | 
| 
 Unit:  | 
 1 minute  | 
| 
 Description:  | 
 Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.  | 
| 
 Note:  | 
 S30=0 disables the timer and allows indefinite inactivity.  | 
| 
 V.32 - AUTO-RETRAIN  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Bn [cmds]  | 
| 
 Description:  | 
 Controls auto-retrain function if poor line quality is detected  | 
| 
 Command  | 
 Function  | 
| 
 &B0  | 
 Auto-retrain disabled modem hangs-up  | 
| 
 í &B1 | 
 Auto-retrain enabled if line quality is poor  | 
| 
 &B2  | 
 No hang-up, no auto-retrain  |