DIGICOM SPA SNM49 Card Type Modem Chip Set Unidentified I/O Options Power, switched line, 25-pin serial port Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol ITU-T V.21, V.22, V.22bis,V.23, V.32, V.32bis, V.34, V.34+ Fax Modulation Protocol V.17, V.29, V.27 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus External [Image] CONNECTIONS Function Label Function Label Power CN1 Switched line (RJ-11 CN3 connector) 25-pin serial port CN2 Power switch SW1 DIAGNOSTIC LED(S) LED Color Status Condition PWR Green On Power is on PWR Green Off Power is off DSR Red On Modem is ready DSR Red Off Modem is not ready DTR Red On Computer is ready DTR Red Off Computer is not ready TD Red On Modem is transmitting data TD Red Off Modem is not transmitting data CTS Red On CTS signal is high. TA ready to send data CTS Red Off CTS signal is low RD Red On Modem is receiving data RD Red Off Modem is not receiving data DCD Red On Data carrier present DCD Red Off Data carrier not present. Connection not established TST Red On Unit is conducting a test TST Red Off Unit not conducting a test LNE Red On Modem is off-hook LNE Red Off Modem is on-hook SUPPORTED COMMAND SET Basic AT Commands AT, A/ A, C, E, H, L, M, Q, V, X, Y, Z &F, &M, &T, &X S Registers Unidentified Note: See MHI Help File for full command documentation. PROPRIETARY AT COMMAND SET COMMAND PORT Type: Configuration Format: AT [cmds] &Yn [cmds] Description: Enables/disables command port Command Function &Y0 Command port disabled &Y1 Command port enabled COMMUNICATION PROTOCOLS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol for data calls Command Protocol B0 CCITT modulation with fixed carrier CONNECT MODE Type: Configuration Format: AT [cmds] &En [cmds] Description: Controls the type of connection the modem will operate in Command Function &E0 Normal mode enabled &E1 MNP/V.42 buffered auto-reliable mode enabled &E2 V.42 sequence in auto-reliable mode; normal data mode if V.42 is not detected &E3 V. 42 reliable mode enabled. Disconnect if fails &E4 MNP auto-reliable mode; normal data mode if MNP is not detected &E5 MNP reliable mode enabled. Disconnect if fails &E6 MNP/V. 42 auto-reliable mode; normal data mode if error correction is not detected &E7 MNP/V. 42 reliable mode enabled. Disconnect if fails DATA SET READY (DSR) & DATA CARRIER DETECT (DCD) Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Selects whether the DSR & DCD option is enabled or disabled Command Function &C0 DSR & DCD forced high &C1 DSR & DCD are related to modulation standard &C2 DSR forced high &C3 DCD forced high &C4 DSR & DCD forced high. When modem disconnects, DCD goes off for 2 seconds &C5 DSR & DCD forced high. If DTR goes off or modem disconnects, DSR & DCD go off for 500ms DATA TERMINAL READY (DTR) Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Selects modem response to DTR Command Function &D0 DTR override &D1 DTR toggle causes online command mode &D2 Normal DTR operations &D3 Resets on receipt of DTR 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 DR Reverse mode enabled DP Pulse dialing enabled DN Dial stored telephone number DT Tone dialing enabled DW Dialing resumed following dial tone detection D, Dialing paused D! Flash function initiated. Modem commanded to go on-hook for .5sec D@ Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by 5 seconds of silence D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. D/ Wait for .125sec DISPLAY DIRECTORY NUMBER Type: Configuration Format: AT [cmds] &Nn [cmds] Description: Displays/deletes telephone directory Command Function &N0 Displays directory &N99 deletes entire telephone dorectory DISPLAY STORED TELEPHONE NUMBER Type: Configuration Format: AT [cmds] Nn? [cmds] Description: Displays stored number n DTE FLOW CONTROL Type: Configuration Format: AT [cmds] &Un [cmds] Description: Enables DTE flow control options Command Function &U0 Flow control disabled &U1 XON/XOFF flow control enabled &U2 XON/XOFF passed through remote terminal &U4 RTS/CTS flow control enabled &U5 Software & hardware flow control enabled &U6 Software & hardware flow control enabled. XON/XOFF passed through remote terminal DUMB MODE CONTROL Type: Configuration Format: AT [cmds] &Vn [cmds] Description: Controls access to command mode Command Function &V0 Normal command mode access enabled &V1 Command mode access via escape sequence enabled &V2 Dumb mode; all commands are ignored. Use front panel to change status FALLBACK/FALL-FORWARD Type: Configuration Format: AT [cmds] &An [cmds] Description: Controls multi-standard detection feature which allows the modem to fall-forward and fallback if the modem signaling rate does not match the DTE Command Function &A0 multi-standard detection disabled &A1 multi-standard detection enabled FRONT PANEL Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Enables/disables front panel buttons Command Function &S0 Front panel disabled &S1 Front panel enabled GUARD TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: Commands the modem to transmit a guard tone in V.22/V.22bis Command Function &G0 Guard tone disabled &G2 1800Hz guard tone enabled INTERFACE BUFFER Type: Configuration Format: AT [cmds] &In [cmds] Description: Allows the DTE to be set to a uniform rate regardless of the rate determined by the communications format selected Command Function &I0 Constant speed interface to disabled DTE &I1 Constant speed interface enabled; CONNECT message indicates connect rate. Parity is transferred in transparent mode. &I2 Constant speed interface enabled; CONNECT message indicates DTE rate. Parity is transferred in transparent mode. &I3 Constant speed interface enabled; CONNECT message indicates connect rate. Parity is reconstructed by the modem. LINE MODULATION Type: Configuration Format: AT [cmds] Fn [cmds] Description: Determines modem modulation standard Command Function F0 Multi-standard mode F1 300bps F3 1200/75bps F4 1200bps F5 2400bps F6 4800bps F7 7200bps F8 9600bps F9 12.0Kbps F10 14.4Kbps F11 16.8Kbps F12 19.2Kbps F13 21.6Kbps F14 24.0Kbps F15 26.4Kbps F16 28.8Kbps F17 31.2Kbps F18 33.6Kbps MODEM FLOW CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables flow control options Command Function &K0 Flow control disabled &K1 XON/XOFF flow control enabled &K2 RTS/CTS flow control enabled &K3 Software & hardware flow control enabled ON-LINE Type: Immediate Format: AT [cmds] On [cmds] Description: Controls on-line command (data transmission) state options. Command Function O0 On-line command mode with no retraining enabled PULSE DIALING RATIO Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects pulse dial make/break ratio Command Function &P0 40/60ms at 10pps (North America) &P1 33/67ms at 10pps (Europe) REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports modem type I1 Reports software revision level I2 Reports ROM checksum I3 Reports identification in S38 I4 Reports product code I8 Reports revision level RTS/CTS Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Selects RTS/CTS options Command Function &R0 CTS follows RTS. Register S26 delays CTS by value selected (0 - 2.55sec) &R1 CTS forced high, RTS is ignored. &R2 CTS force high &R3 CTS always follows RTS SPEAKER VOLUME Type: Configuration Format: AT [cmds] Ln [cmds] Description: Controls speaker volume Command Function L0 Low volume setting L1 Low volume setting L2 Medium volume setting L3 Highest volume setting STORE ACTIVE PROFILE Type: Configuration Format: AT [cmds] &Wn [cmds] Description: Writes the values for the active profile into the non-volatile RAM at location n. Command Function &W0 Write the active profile to stored profile 0 &W1 Write the active profile to stored profile 1 &W2 Write the active profile to stored profile 2 &W3 Write the active profile to stored profile 3 &W4 Write the active profile to stored profile 4 &W5 Write the active profile to stored profile 5 &W6 Write the active profile to stored profile 6 &W7 Write the active profile to stored profile 7 &W8 Write the active profile to stored profile 8 &W9 Write the active profile to stored profile 9 &W99 Writes the 10 factory configurations in the 10 user profiles STORE TELEPHONE NUMBER Type: Configuration Format: AT [cmds] Nn&Z [cmds] Description: Writes selected telephone numbers into the non-volatile memory at location n SPECIAL COMMANDS ASYNCHRONOUS MODE Type: Configuration Format: AT [cmds] *Dn [cmds] Description: Enables DTR/1 direct call in asynchronous mode Command Function *D0 DTR/1 disabled *D1 DTR/1 enabled with CTS on in off-line *D2 DTR/1 enabled with CTS off in off-line AUTO-RELIABLE BUFFER/CHARACTER CONFIGURATION Type: Configuration Format: AT [cmds] #An [cmds] Description: Controls the handling of incoming data during auto-reliable time period Command Function #A0 Auto-reliable buffer and character disabled #A1 Auto-reliable character enabled #A2 Auto-reliable buffer enabled #A3 Auto-reliable buffer and character enabled BIT ERROR RATE THRESHOLD Type: Configuration Format: AT [cmds] #Qn [cmds] Description: Determines Bit Error Rate Threshold to initiate fall-forward/fallback retrain Command Function #Q0 Standard bit error rate threshold: SQ=3 equivalent at bit error rate of 1*10-5 #Q1 Alternative bit error rate threshold: SQ=2 equivalent at bit error rate of 1*10-3 BREAK OPTIONS Type: Configuration Format AT [cmds] *Yn [cmds] Description: Sets the method for break transmission Command Function *Y0 Expedited signaling, immediately send break *Y1 Destructive signaling, buffers cleared, immediately send break *Y2 In-sequence signaling, break sent in sequence with transmitted data *Y3 Break signal ignored C140-C141 CONTROL Type: Configuration Format: AT [cmds] *Tn [cmds] Description: Enables/disables C140 & C141 signal interface Command Function *T0 C140 & C141 signal interface disabled *T1 C140 signal interface enabled *T2 C141 signal interface enabled *T3 C140 & C141 signal interface enabled *T4 C140 & C141 signal interface enabled. C141 requests loop 3 with modem on-line CALLING TONE Type: Configuration Format: AT [cmds] *Gn [cmds] Description: Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating Command Function *G0 Disable calling tone *G1 Enable calling tone DATA COMPRESSION Type: Configuration Format: AT [cmds] *En [cmds] Description: Enables/disables data compression Command Function *E0 Data compression disabled *E1 Data compression enabled DATA SET READY (DSR) Type: Configuration Format: AT [cmds] *Pn [cmds] Description: Selects DSR options Command Function *P0 DSR standard *P1 DSR on for 200ms after aborted call *P2 DSR follows DCD during handshake *P3 DSR follows DCD during handshake and DSR wink DETECTION PHASE Type: Configuration Format: AT [cmds] #En [cmds] Description: Enables/disables detection phase before the negotiation of V.42 protocol Command Function #E0 Detection phase disabled #E1 Detection phase enabled DISPLAY BLACKLIST NUMBERS Type: Configuration Format: AT [cmds] *Bn [cmds] Description: Displays blacklist numbers Command Function *B0 Displays delayed and forbidden numbers *B1 Displays delayed numbers *B2 Displays forbidden numbers DISPLAY CONFIGURATION Type: Immediate Format: AT [cmds] *Cn [cmds] Description: Displays active configuration. At the end of the list, it is possible to display the error message relative to the connection state. DISPLAY STORED NUMBER Type: Immediate Format: AT [cmds] *Nn [cmds] Description: Displays stored number for DTR/1 direct call in V.25bis mode DTE SPEED Type: Configuration Format: AT [cmds] *In [cmds] Description: Controls DTE interface data rate Command Function *I0 Automode enabled *I1 300bps *I4 1200 *I5 2400bps *I6 4800bps *I7 7200bps *I8 9600bps *I10 14.4Kbps *I11 19.2Kbps *I13 38.4Kbps *I14 57.6Kbps *I15 115.2Kbps EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] #Xn [cmds] Description: Enables/disables extended code CONNECT messages to indicate buffer or error correction activation (ATX) Command Function #X0 Extended result codes disabled #X1 /BUF and /REL messages enabled #X2 Extended result codes enabled #X3 Extended result codes enabled. ONL/OFL messages disabled in V.25bis FLOW CONTROL DURING RETRAIN Type: Configuration Format: AT [cmds] #Kn [cmds] Description: Determines flow control handling during retrain phases Command Function #K0 Flow control option during retrain disabled #K1 Flow control option during retrain follows &K FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] *Kn [cmds] Description: Sets type of flow control used by modem Command Function *K0 CTS forced high *K1 XON/XOFF flow control enabled *K2 CTS off during handshake *K3 CTS off during handshake & XON/XOFF flow control enabled *K4 CTS off in off-line *K5 CTS off in off-line & XON/XOFF flow control enabled HALF DUPLEX SIMULATION Type: Configuration Format: AT [cmds] #Hn [cmds] Description: Enables/disables half duplex simulation Command Function #H0 Half-Duplex simulation disabled #H1 Half-Duplex simulation enabled HANDSHAKE BREAK Type: Configuration Format: AT [cmds] #Pn [cmds] Description: Enables/disables handshake abort if DTE sends data during handshake Command Function #P0 Handshake abort enabled #P1 Handshake abort disabled LINE FLOW CONTROL Type: Configuration Format: AT [cmds] *Fn [cmds] Description: Controls the flow of data between local and remote modems Command Function *F0 Remote flow control disabled *F1 Remote flow control enabled MINIMUM LINE SPEED Type: Configuration Format: AT [cmds] #Fn [cmds] Description: Determines minimum data rate Command Function #F0 Function disabled. No minimum speed #F1 300bps #F3 1200/75bps #F4 1200bps #F5 2400bps #F6 4800bps #F7 7200bps #F8 9600bps #F9 12.0Kbps #F10 14.4Kbps #F11 16.8Kbps #F12 19.2Kbps #F13 21.6Kbps #F14 24.0Kbps #F15 26.4Kbps #F16 28.8Kbps #F17 31.2Kbps #F18 33.6Kbps OVERSPEED SELECTION Type: Configuration Format: AT [cmds] *On [cmds] Description: Sets type of flow control used by modem Command Function *O0 Overspeed +1%: -2.5% *O1 Overspeed +2.3%: -2.5% PREFIX DIALING Type: Configuration Format: AT [cmds] #Wn [cmds] Description: Enables the automatic dialing of a prefix before every number. Prefix is stored in location 19 of the memory Command Function #W0 Automatic prefix dialing enabled #W1 Automatic prefix dialing disabled REMOTE ACCESS CONTROL Type: Configuration Format: AT [cmds] #Tn [cmds] Description: Sets remote access control Command Function #T0 Remote access control disabled #T4 Modem enabled for remote access, download request and loop 2 remote test #T5 Remote access and download request disabled #T6 Request for remote access control sent #T7 Request for download of the configuration indicated by registers S65 and S66 sent SIGNAL QUALITY ACTION CONTROL Type: Configuration Format: AT [cmds] *Qn [cmds] Description: Controls signal quality action Command Function *Q0 Signal quality action disabled *Q1 Retrain enabled *Q2 Fallback enabled (V.34, V.32bis, V.32, or V.22 mode) *Q3 Disconnects after first aborted retrain SPECIAL MODE Type: Configuration Format: AT [cmds] #Vn [cmds] Description: Selects V.23 full duplex special functioning mode Command Function #V0 V.23 automatic mode: 75bps transmit, 1200bps receive (originate), 1200bps transmit, 75bps receive (answer) #V1 75bps transmit, 1200bps receive fixed #V2 1200bps transmit, 75bps receive fixed S-REGISTER DISPLAY Type: Immediate Format: AT [cmds] *S [cmds] Description: Displays values stored in S-registers SYNCHRONOUS CLOCK CONTROL Type: Configuration Format: AT [cmds] *Xn [cmds] Description: Forces modem’s transmit and receive clock at the DTE interface Command Function *X0 Synchronous clocks are on in data mode only *X1 Synchronous clocks are always on TRANSMISSION LEVEL - SWITCHED Type: Configuration Format: AT [cmds] *Ln [cmds] Default: 10 Range: 3-15 Unit: -1 dBm Description: Sets the signal level for transmission over switched phone lines V.25BIS DTR/1 STORED NUMBER Type: Immediate Format AT [cmds] *Zxxxx [cmds] Description: Stores a number for DTR/1 operation in V.25bis mode. Must be placed at the end of command string V.25BIS MODE Type: Configuration Format: AT [cmds] *Vn [cmds] Description: Enables/disables V.25bis mode Command Function *V0 V.25bis in DTR/2 asynchronous *V1 V.25bis in DTR/1 synchronous/asynchronous (&M) *V2 V.25bis in DTR/2 HDLC *V7 Returns in AT mode