MAXTECH CORPORATION
SR 288HV (SF1128HV/S1)
| 
 Card Type  | 
 Modem/Fax card  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 I/O Options  | 
 Line out(RJ-11), line in(RJ-11), speaker, microphone  | 
| 
 Maximum Modem Rate  | 
 28.8Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Modulation Protocol  | 
 Bell 103/212A ITU-T V34, V.32bis, V.32, V.22bis, V.22, V.21  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.27ter, V.29, V.21  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Bus  | 
 16-bit ISA  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 RJ-11 line out  | 
 CN1  | 
 Speaker out  | 
 CN3  | |||
| 
 RJ-11 line in  | 
 CN2  | 
 Microphone in  | 
 CN4  | |||
| 
 SUPPORTED COMMAND SET  | 
| 
 Basic AT Commands  | 
| 
 AT, +++, A/  | 
| 
 A, E, H, M, O, P, T, V, X, Y, Z  | 
| 
 &F, &V, &W, &Y, &Z  | 
| 
 Extended AT Commands  | 
| 
 \Q  | 
| 
 %A  | 
| 
 S Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S38  | 
| 
 Voice Commands  | 
| 
 #CC, #VA=m, #VAA=n, #VB=f1,t, #VBL=n, #VBO=n, #VBS=n, #VC, #VCH, #VDR=e,r, #VDO, #VD1, #VF=n  | 
| 
 #VG=n, #VH=n, #VL, #VM=n, #VNH=n, #VRA=n, #VRN=n, #VSC=n, #VSC=n, #VSC=n, #VSD=0,1,2,  | 
| 
 #VSI=n, #VSM=n, #VSn, #VSP=n, #VSR=n, #VSS=n, #VST, #VSV, #VTI=n, #VTn, #VTR=n, #VZ=n  | 
| 
 
  | 
| 
 Note: See MHI Help File for full command documentation. | 
PROPRIETARY AT COMMAND SET
| 
 AUTO-FALLFORWARD/FALLBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &An [cmds]  | 
| 
 Description:  | 
 Enables/disables auto fallforward/fallback  | 
| 
 Command  | 
 Function  | 
| 
 &A0  | 
 Auto fallforward/fallback disabled  | 
| 
 &A1  | 
 Auto fallforward/fallback enabled  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Mn [cmds]  | 
| 
 Description:  | 
 Selects communications mode  | 
| 
 Command  | 
 Mode  | 
| 
 &M0  | 
 Asynchronous mode  | 
| 
 DATA CARRIER DETECT (DCD)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Cn [cmds]  | 
| 
 Description:  | 
 Selects whether the DCD option is enabled or disabled  | 
| 
 Command  | 
 Function  | 
| 
 &C0  | 
 DCD enabled  | 
| 
 í &C1 | 
 DCD enabled after carrier signal detected  | 
| 
 &C2  | 
 DCD enabled. Toggle on disconnect  | 
| 
 COMPRESSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Cn [cmds]  | 
| 
 Description:  | 
 Selects data compression  | 
| 
 Command  | 
 Function  | 
| 
 %C0  | 
 Data compression disabled  | 
| 
 %C1  | 
 V.42bis/MNP5 enabled  | 
| 
 %C2  | 
 V.42bis transmit enabled  | 
| 
 %C3  | 
 V.42bis receive enabled  | 
| 
 DATA SET READY (DSR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Sn [cmds]  | 
| 
 Description:  | 
 Selects DSR options  | 
| 
 Command  | 
 Function  | 
| 
 &S0  | 
 DSR forced high. Toggle off on disconnect  | 
| 
 &S1  | 
 DSR high in on-line mode. Off in command mode  | 
| 
 &S2  | 
 DSR follows Carrier Detect  | 
| 
 &S3  | 
 DSR forced high  | 
| 
 DATA TERMINAL READY (DTR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Dn [cmds]  | 
| 
 Description:  | 
 Selects modem response to DTR  | 
| 
 Command  | 
 Function  | 
| 
 í &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  | 
| 
 DP  | 
 Pulse dialing enabled  | 
| 
 DL  | 
 Re-dial last number.  | 
| 
 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  | 
| 
 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.  | 
| 
 D;  | 
 Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.  | 
| 
 HANDSHAKE MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Hn [cmds]  | 
| 
 Description:  | 
 Selects data handshake mode  | 
| 
 Command  | 
 Mode  | 
| 
 í &H0 | 
 V.34 auto handshake mode  | 
| 
 &H1  | 
 V.34 handshake mode  | 
| 
 &H2  | 
 V.32bis auto handshake mode  | 
| 
 &H3  | 
 V.32bis handshake mode  | 
| 
 &H4  | 
 V.32 auto handshake mode  | 
| 
 &H5  | 
 V.32 handshake mode  | 
| 
 &H6  | 
 V.22bis hand shake mode  | 
| 
 &H7  | 
 V.22 handshake mode  | 
| 
 &H8  | 
 Bell 212A handshake mode  | 
| 
 &H9  | 
 Bell 103 handshake mode  | 
| 
 &H10  | 
 V.21 handshake mode  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Description:  | 
 Displays information requested  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Reports four digit product code  | 
| 
 I1  | 
 Display 000  | 
| 
 I2  | 
 Reports internal memory test  | 
| 
 I3  | 
 Reports firmware ID  | 
| 
 I4  | 
 Reports configuration settings  | 
| 
 RESULT CODES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Qn [cmds]  | 
| 
 Description:  | 
 Enables modem to send result codes to the DTE  | 
| 
 Command  | 
 Function  | 
| 
 Q0  | 
 Result code sending enabled  | 
| 
 Q1  | 
 Result code sending disabled  | 
| 
 Q2  | 
 Result code sending enabled in originate mode  | 
| 
 RTS/CTS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Rn [cmds]  | 
| 
 Description:  | 
 Selects RTS/CTS options  | 
| 
 Command  | 
 Function  | 
| 
 &R0  | 
 CTS high in command mode  | 
| 
 í &R1 | 
 CTS follows flow control requirements  | 
| 
 &R2  | 
 CTS high when modem is ready to receive a signal from the DTE  | 
| 
 &R3  | 
 CTS forced high  | 
| 
 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  | 
| 
 TEST MODES  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] &Tn  | 
| 
 Description:  | 
 Selects test options  | 
| 
 Command  | 
 Function  | 
| 
 &T0  | 
 End current test  | 
| 
 &T1  | 
 Begin local analog loopback test  | 
| 
 &T3  | 
 Begin local digital loopback  | 
| 
 &T4  | 
 Grant remote digital loopback request  | 
| 
 &T5  | 
 Deny remote digital loopback request  | 
| 
 &T6  | 
 Request remote digital loopback  | 
| 
 &T7  | 
 Request remote digital loopback and self-test  | 
| 
 &T8  | 
 Begin local analog loopback and self-test  | 
| 
 &T9  | 
 Complete self diagnostic  | 
| 
 TRELLIS CODING  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Un [cmds]  | 
| 
 Description:  | 
 Enables/disables trellis coding  | 
| 
 Command  | 
 Function  | 
| 
 í &U0 | 
 V.32 trellis coding enabled  | 
| 
 &U1  | 
 V.32 trellis coding disabled  | 
EXTENDED AT COMMAND SET
| 
 AUTO-RELIABLE TIME BUFFER CONFIGURATION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Cn [cmds]  | 
| 
 Description:  | 
 Controls the handling of incoming data during auto-reliable time period  | 
| 
 Command  | 
 Function  | 
| 
 \C0  | 
 Data is discarded  | 
| 
 \C1  | 
 Data is buffered for 4 seconds, until receiving 200 characters or until packet is detected  | 
| 
 í \C2 | 
 Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.  | 
| 
 \C3  | 
 Data is buffered with ITU-T V.14  | 
| 
 \C4  | 
 Data is not buffered with ITU-T V.14  | 
| 
 BREAK TYPE  | ||
| 
 Type:  | 
 Configuration  | |
| 
 Format:  | 
 AT [cmds] \Kn [cmds]  | |
| 
 Description:  | 
 Configures action of break signal  | |
| 
 Command  | 
 Break from DTE  | |
| 
 \K0  | 
 Expedite break, destroy buffered data  | |
| 
 \K1  | 
 Expedite break, save buffered data  | |
| 
 \K2  | 
 Timed break, save buffered data  | |
| 
 \K3  | 
 Ignore breaks sent from DTE  | |
| 
 \K4  | 
 Timed break until no break character; save buffered data  | |
| 
 \K5  | 
 Timed break until no break character; save buffered data  | |
| 
 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  | 
 V.42/MNP mode enabled  | 
| 
 \N3  | 
 MNP or Normal mode enabled  | 
| 
 \N4  | 
 V.42 mode enabled  | 
| 
 \N5  | 
 V.42 or MNP reliable mode enabled  | 
| 
 \N6  | 
 Simulated controlled carrier (half-duplex)  | 
| 
 DATA SET READY (DSR) DURING LOOPBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Dn [cmds]  | 
| 
 Description:  | 
 Enables/disables DSR during loopback test  | 
| 
 Command  | 
 Function  | 
| 
 %D0  | 
 DSR forced high during loopback test  | 
| 
 %D1  | 
 DSR off during loopback test  | 
| 
 DTE SPEED  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format  | 
 AT [cmds] \Tn [cmds]  | 
| 
 Description:  | 
 Selects DTE speed during data transfer  | 
| 
 Command  | 
 Function  | 
| 
 \T0  | 
 Auto-baud speed  | 
| 
 í \T1 | 
 Last AT command speed  | 
| 
 \T2  | 
 300bps  | 
| 
 \T3  | 
 1200bps  | 
| 
 \T4  | 
 2400bps  | 
| 
 \T5  | 
 4800bps  | 
| 
 \T6  | 
 7200bps  | 
| 
 \T7  | 
 9600bps  | 
| 
 \T8  | 
 12Kbps  | 
| 
 \T9  | 
 14.4Kbps  | 
| 
 \T10  | 
 16.8Kbps  | 
| 
 \T11  | 
 19.2Kbps  | 
| 
 \T12  | 
 21.6bps  | 
| 
 \T13  | 
 24.0Kbps  | 
| 
 \T14  | 
 26.4Kbps  | 
| 
 \T15  | 
 28.8Kbps  | 
| 
 \T16  | 
 38.4Kbps  | 
| 
 \T17  | 
 57.6Kbps  | 
| 
 \T18  | 
 76.8Kbps  | 
| 
 \T19  | 
 115.2Kbps  | 
| 
 DTR TRANSITION AUTODIAL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Zn [cmds]  | 
| 
 Description:  | 
 Selects DTR off/on autodial options  | 
| 
 Command  | 
 Function  | 
| 
 %Z0  | 
 DTR off-to-on autodial disabled  | 
| 
 %Z1=n  | 
 Dial telephone number n (1-3) of stored profiles after off-to-on transition  | 
| 
 %Z2  | 
 Modem goes off hook and attempts to handshake after off-to-on DTR transition  | 
| 
 EXTENDED RESULT CODES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Vn [cmds]  | 
| 
 Description:  | 
 Selects extended result codes  | 
| 
 Command  | 
 Function  | 
| 
 \V0  | 
 Reports DCE speed; extended result codes disabled  | 
| 
 \V1  | 
 Reports DCE speed; extended result codes enabled  | 
| 
 \V2  | 
 Reports DTE speed; extended result codes and /REL enabled  | 
| 
 í \V3 | 
 Reports DTE speed; extended result codes disabled  | 
| 
 FLOW CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Gn [cmds]  | 
| 
 Description:  | 
 Selects DCE flow control  | 
| 
 Command  | 
 Function  | 
| 
 í \G0 | 
 DCE flow control disabled  | 
| 
 \G1  | 
 DCE flow control enabled  | 
| 
 \G2  | 
 DCE flow control enabled (Transmit)  | 
| 
 \G3  | 
 DCE flow control with passthrough enabled  | 
| 
 LINE SIGNAL QUALITY RETRAIN  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Q [cmds]  | 
| 
 Description:  | 
 Enables/disables retrain in relation to signal quality  | 
| 
 Command  | 
 Function  | 
| 
 %Q0  | 
 Retrain disabled on poor signal quality  | 
| 
 %Q1  | 
 Retrain enabled; disconnect if unsuccessful after three attempts  | 
| 
 %Q2  | 
 Retrain enabled; retrain until line quality is good  | 
| 
 MAXIMUM BLOCK SIZE FOR TRANSMISSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Bn [cmds]  | 
| 
 Description:  | 
 Sets the maximum transmittable block size  | 
| 
 Command  | 
 Function  | 
| 
 \B0  | 
 6N1 character length  | 
| 
 \B1  | 
 7N1 character length  | 
| 
 í \B2 | 
 7P1 character length  | 
| 
 \B3  | 
 8N1 character length  | 
| 
 \B4  | 
 7P2 character length  | 
| 
 \B5  | 
 8P1 character length  | 
| 
 ORIGINATE/ANSWER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %On [cmds]  | 
| 
 Description:  | 
 Selects originate or answer mode  | 
| 
 Command  | 
 Function  | 
| 
 %O0  | 
 Normal answer mode enabled  | 
| 
 %O1  | 
 Originate call in answer mode  | 
| 
 %O2  | 
 Answer call in originate mode  | 
| 
 PARITY  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Pn [cmds]  | 
| 
 Description:  | 
 Sets parity options  | 
| 
 Command  | 
 Function  | 
| 
 \P0  | 
 Even parity  | 
| 
 \P1  | 
 Space parity  | 
| 
 \P2  | 
 Odd parity  | 
| 
 \P3  | 
 Mark parity  | 
| 
 í \P4 | 
 Automatic parity form last AT command  | 
| 
 RESULT CODE RATE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format  | 
 AT [cmds] %Rn [cmds]  | 
| 
 Description:  | 
 Selects result code sending speed  | 
| 
 Command  | 
 Function  | 
| 
 %R0  | 
 Auto-baud result code  | 
| 
 í %R1 | 
 Last connect speed  | 
| 
 %R2  | 
 300bps  | 
| 
 %R3  | 
 1200bps  | 
| 
 %R4  | 
 2400bps  | 
| 
 %R5  | 
 4800bps  | 
| 
 %R6  | 
 7200bps  | 
| 
 %R7  | 
 9600bps  | 
| 
 %R8  | 
 12Kbps  | 
| 
 %R9  | 
 14.4Kbps  | 
| 
 %R10  | 
 16.8Kbps  | 
| 
 %R11  | 
 19.2Kbps  | 
| 
 %R12  | 
 21.6bps  | 
| 
 %R13  | 
 24.0Kbps  | 
| 
 %R14  | 
 26.4Kbps  | 
| 
 %R15  | 
 28.8Kbps  | 
| 
 %R16  | 
 38.4Kbps  | 
| 
 %R17  | 
 57.6Kbps  | 
| 
 %R18  | 
 76.8Kbps  | 
| 
 %R19  | 
 115.2Kbps  | 
| 
 SPEED CORRECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \An [cmds]  | 
| 
 Description:  | 
 Selects over-speed correction protocols  | 
| 
 Command  | 
 Function  | 
| 
 í \A0 | 
 1.25% over-speed correction during V.14 connection  | 
| 
 \A1  | 
 2.5% over-speed correction during V.14 connection  | 
S(status) REGISTERS
| 
 RETRANSMISSION COUNTER  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S70=n [cmds]  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 Unidentified  | 
| 
 Description:  | 
 Determines the number of retransmissions. Default=100  |