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  | 
 External  | 
| 
 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  | 
 DC power  | 
 CN4  | |||
| 
 Line out  | 
 CN2  | 
 Power switch  | 
 SW1  | |||
| 
 RS-232/422  | 
 CN3  | |||||
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 MR  | 
 Red  | 
 On  | 
 Power is on  | 
| 
 MR  | 
 Red  | 
 Off  | 
 Power is off  | 
| 
 TR  | 
 Red  | 
 On  | 
 DTR signal is high  | 
| 
 TR  | 
 Red  | 
 Off  | 
 DTR signal is low  | 
| 
 TD  | 
 Red  | 
 Blinking  | 
 Modem is transmitting data  | 
| 
 TD  | 
 Red  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 RD  | 
 Amber  | 
 Blinking  | 
 Modem is receiving data  | 
| 
 RD  | 
 Amber  | 
 Off  | 
 Modem is not receiving data  | 
| 
 OH  | 
 Red  | 
 On  | 
 Modem is off-hook  | 
| 
 OH  | 
 Red  | 
 Off  | 
 Modem is on-hook  | 
| 
 CD  | 
 Red  | 
 On  | 
 Carrier signal detected  | 
| 
 CD  | 
 Red  | 
 Off  | 
 Carrier signal not detected  | 
| 
 AA  | 
 Red  | 
 On  | 
 Auto-answer enabled  | 
| 
 AA  | 
 Red  | 
 Off  | 
 Auto-answer disabled  | 
| 
 AA  | 
 Red  | 
 Blinking  | 
 Phone is ringing  | 
Proprietary AT Command Set
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, B, 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  | 
| 
 S27  | 
 Unidentified  | 
| 
 S36  | 
 0  | 
| 
 S40  | 
 57  | 
| 
 S42  | 
 0  | 
| 
 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  |