MAXTECH CORPORATION
XPVS 56IF (SF-1156HV/TX(X2))
| 
 Card Type  | 
 Modem (asynchronous)  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 I/O Options  | 
 microphone, speaker out, line in, line out  | 
| 
 Maximum Modem Rate  | 
 56Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Modulation Protocol  | 
 Bell 103/212 ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34+, x2  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42bis, V.42bis  | 
| 
 Fax Class  | 
 Unidentified  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Card Size  | 
 Half-length, half-height card  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 Line out  | 
 CN1  | 
 Microphone  | 
 CN4  | |||
| 
 Line in  | 
 CN2  | 
 Speaker out  | 
 CN3  | |||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Setting  | 
 Label  | 
 Position  | 
| 
 í Speaker type stereo | 
 JP5  | 
 Closed  | 
| 
 Speaker type mono  | 
 JP5  | 
 Open  | 
| 
 SERIAL PORT ADDRESS  | |||
| 
 Setting  | 
 JP3/A  | 
 JP3/B  | 
 JP3/C  | 
| 
 COM1 (3F8h)  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 COM2 (2F8h)  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 COM3 (3E8h)  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 COM4 (2E8h)  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 PnP  | 
 Open  | 
 Open  | 
 Open  | 
| 
 INTERRUPT SELECTION  | |||||
| 
 IRQ  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP2/D  | 
 JP2/E  | 
| 
 2/9  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 PnP  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 SUPPORTED COMMAND SET  | 
| 
 Basic AT Commands  | 
| 
 AT, +++, A/  | 
| 
 A, B, E, F, H, M, O, P, T, V, X  | 
| 
 &C, &G, &T, &W, &Z  | 
| 
 S Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25, S38  | 
| 
 AT Voice Commands  | 
| 
 #VBQ?, #VBS, #VBT, #VCI, #VLS, #VRA, #VRN, #VRX, #VSK, #VSP, #VSR, #VSS, #VTD, #VTS,  | 
| 
 #VTX, #BDR, #CLS, #MDL, #MFR, #REV?  | 
| 
 Note: See MHI Help File for full command documentation. | 
Proprietary AT Command Set
| 
 DISPLAY COMMANDS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] $ [cmds]  | 
| 
 Description:  | 
 Displays the basic command set  | 
| 
 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  | 
| 
 DL  | 
 Re-dial last number  | 
| 
 DP  | 
 Pulse dialing enabled  | 
| 
 DR  | 
 Answer mode enabled; originate mode disabled following handshake initiation.  | 
| 
 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/  | 
 Delays for 125msec. before dialing  | 
| 
 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$  | 
 Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.  | 
| 
 D;  | 
 Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Description:  | 
 Displays information requested  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Reports modem model and speed  | 
| 
 I1  | 
 Reports ROM checksum  | 
| 
 I2  | 
 Tests and reports ROM checksum  | 
| 
 I3  | 
 Reports product ID  | 
| 
 I4  | 
 Reports current modem settings  | 
| 
 I5  | 
 Displays active and stored profiles  | 
| 
 I6  | 
 Reports data connection information  | 
| 
 I7  | 
 Reports manufacturer and model information  | 
| 
 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  | 
| 
 RESULT CODES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Qn [cmds]  | 
| 
 Description:  | 
 Enables modem to send result codes to the DTE  | 
| 
 Command  | 
 Function  | 
| 
 í Q0 | 
 Result code sending enabled  | 
| 
 Q1  | 
 Result code sending disabled  | 
| 
 Q2  | 
 Displays result codes only in Originate Mode  | 
| 
 CONFIGURATION PROFILE SELECT  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Yn [cmds]  | 
| 
 Description:  | 
 Commands the modem to use Profile 0 or Profile 1  | 
| 
 Command  | 
 Function  | 
| 
 í Y0 | 
 Configuration Profile 0 active upon power on or reset  | 
| 
 Y1  | 
 Configuration Profile 1 active upon power on or reset  | 
| 
 SOFT RESET  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] Zn [cmds]  | 
| 
 Description:  | 
 Restores modem profiles previously saved in non-volatile RAM using the &W command.  | 
| 
 Command  | 
 Function  | 
| 
 Z0  | 
 Reset and retrieve active profile set by the Y command  | 
| 
 Z1  | 
 Reset and retrieve active profile 0  | 
| 
 Z2  | 
 Reset and retrieve active profile 1  | 
| 
 Z3  | 
 Reset and retrieve factory default profile 0  | 
| 
 Z4  | 
 Reset and retrieve factory default profile 1  | 
| 
 Z5  | 
 Reset and retrieve factory default profile 2  | 
| 
 AUTO-ANSWER - ORIGINATE/ANSWER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &An [cmds]  | 
| 
 Description:  | 
 Selects originate or answer mode when in Auto-Answer mode  | 
| 
 Command  | 
 Function  | 
| 
 í &A0 | 
 Disable ARQ result codes  | 
| 
 &A1  | 
 Enable ARQ result codes  | 
| 
 &A2  | 
 Disable ARQ result codes and V.32 modulation  | 
| 
 &A3  | 
 Enable ARQ result codes, V.32 modulation, error correction and data compression protocols  | 
| 
 DTE RATE ADJUST  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Bn [cmds]  | 
| 
 Description:  | 
 Controls DTE rate  | 
| 
 Command  | 
 Function  | 
| 
 &B0  | 
 DTE rate adjust to DCE rate after on line  | 
| 
 í &B1 | 
 Constant DTE rate  | 
| 
 &B2  | 
 Constant DTE rate in ARQ mode, variable in non-ARQ mode  | 
| 
 DATA TERMINAL READY (DTR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Dn [cmds]  | 
| 
 Description:  | 
 Selects modem response to DTR  | 
Note: The action each variant of &D causes depends on the setting of &Q  | |
| 
 Command  | 
 Function  | 
| 
 &D0  | 
 Modem does not respond to DTR  | 
| 
 &D1  | 
 Modem goes to command mode after DTR goes is off  | 
| 
 &D2  | 
 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.  | 
| 
 FACTORY DEFAULT PROFILE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &F [cmds]  | 
| 
 Description:  | 
 Sets values in active profile to values found in the default profile  | 
| 
 í &F0 | 
 Recall factory default configuration 0  | 
| 
 &F1  | 
 Recall factory default configuration profile 1 (hardware flow control enabled)  | 
| 
 &F2  | 
 Recall factory default configuration profile 2 (software flow control enabled)  | 
| 
 TX FLOW  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Hn [cmds]  | 
| 
 Description:  | 
 Controls TX flow settings  | 
Note: Used primarily for international data transmission  | |
| 
 Command  | 
 Function  | 
| 
 &H0  | 
 Disable TX flow controll  | 
| 
 í &H1 | 
 Enable hardware TX flow control (CTS)  | 
| 
 &H2  | 
 Enable software TX flow control (XON/XOFF)  | 
| 
 &H3  | 
 Enable hardware (CTS) and software (XON/XOFF) TX flow control  | 
| 
 RX FLOW  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &In [cmds]  | 
| 
 Description:  | 
 Controls RX flow settings  | 
Note: Used primarily for international data transmission  | |
| 
 Command  | 
 Function  | 
| 
 í &I0 | 
 Disable software RX flow control  | 
| 
 &I1  | 
 Enable software RX flow control (XON/XOFF)  | 
| 
 &I2  | 
 Enable software RX flow control (XON/XOFF), but do not pass XON/XOFF to remote modem or local DTE  | 
| 
 &I3  | 
 Enable HP ENQ/ACK software flow control, host mode  | 
| 
 &I4  | 
 Enable HP ENQ/ACK software flow control, terminal mode  | 
| 
 &I5  | 
 Enable software RX flow control (XON/XOFF) for non-ARQ mode  | 
| 
 COMPRESSION CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Kn [cmds]  | 
| 
 Description:  | 
 Enables compression control options  | 
| 
 Command  | 
 Function  | 
| 
 &K0  | 
 Disable V.42bis/MNP5 data compression  | 
| 
 í &K1 | 
 Auto data compression  | 
| 
 &K2  | 
 Enable V.42bis/MNP5 data compression  | 
| 
 &K3  | 
 Disable MNP5 data compression  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Mn [cmds]  | 
| 
 Description:  | 
 Selects communications mode  | 
| 
 Command  | 
 Mode  | 
| 
 &M0  | 
 Normal mode enabled  | 
| 
 í &M4 | 
 ARQ and normal modes enabled  | 
| 
 &M5  | 
 ARQ mode enabled  | 
| 
 AUTOMODE CONNECTION SPEED  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Nn [cmds]  | 
| 
 Description:  | 
 Selects connection speed  | 
| 
 Command  | 
 Mode  | 
| 
 í &N0 | 
 Enable Automode  | 
| 
 &N1  | 
 Set connection speed to 300bps  | 
| 
 &N2  | 
 Set connection speed to 1200bps  | 
| 
 &N3  | 
 Set connection speed to 2400bps  | 
| 
 &N4  | 
 Set connection speed to 4800bps  | 
| 
 &N5  | 
 Set connection speed to 7200bps  | 
| 
 &N6  | 
 Set connection speed to 9600bps  | 
| 
 &N7  | 
 Set connection speed to 12000bps  | 
| 
 &N8  | 
 Set connection speed to 14400bps  | 
| 
 &N9  | 
 Set connection speed to 16800bps  | 
| 
 &N10  | 
 Set connection speed to 19200bps  | 
| 
 &N11  | 
 Set connection speed to 21600bps  | 
| 
 &N12  | 
 Set connection speed to 24400bps  | 
| 
 &N13  | 
 Set connection speed to 26400bps  | 
| 
 &N14  | 
 Set connection speed to 28800bps  | 
| 
 &N15  | 
 Set connection speed to 31200bps  | 
| 
 &N16  | 
 Set connection speed to 33600bps  | 
| 
 &N17  | 
 Set connection speed to 33333bps  | 
| 
 &N18  | 
 Set connection speed to 37333bps  | 
| 
 &N19  | 
 Set connection speed to 41333bps  | 
| 
 &N20  | 
 Set connection speed to 42666bps  | 
| 
 &N21  | 
 Set connection speed to 44000bps  | 
| 
 &N22  | 
 Set connection speed to 45333bps  | 
| 
 &N23  | 
 Set connection speed to 46666bps  | 
| 
 &N24  | 
 Set connection speed to 48000bps  | 
| 
 &N25  | 
 Set connection speed to 49333bps  | 
| 
 &N26  | 
 Set connection speed to 50666bps  | 
| 
 &N27  | 
 Set connection speed to 52000bps  | 
| 
 &N28  | 
 Set connection speed to 53333bps  | 
| 
 &N29  | 
 Set connection speed to 54666bps  | 
| 
 &N30  | 
 Set connection speed to 56000bps  | 
| 
 &N31  | 
 Set connection speed to 57333bps  | 
| 
 PULSE DIALING RATIO  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Pn [cmds]  | 
| 
 Description:  | 
 Selects pulse dial make/break ratio  | 
| 
 Command  | 
 Function  | 
| 
 í &P0 | 
 39/61ms at 10pps (North America)  | 
| 
 &P1  | 
 33/67ms at 10pps (Europe)  | 
| 
 RTS/CTS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Rn [cmds]  | 
| 
 Description:  | 
 Selects RTS/CTS options  | 
| 
 Command  | 
 Function  | 
| 
 &R0  | 
 Reserved  | 
| 
 &R1  | 
 Modem ignores RTS signal  | 
| 
 &R2  | 
 Enable RX hardware flow control (RTS)  | 
| 
 DATA SET READY (DSR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Sn [cmds]  | 
| 
 Description:  | 
 Selects DSR options  | 
| 
 Command  | 
 Function  | 
| 
 í &S0 | 
 DSR forced high  | 
| 
 &S1  | 
 DSR off in command mode, on in on-line mode  | 
| 
 MINIMUM DTE CONNECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Sn [cmds]  | 
| 
 Description:  | 
 Selects minimum DTE connection speed  | 
| 
 Command  | 
 Function  | 
| 
 í &U0 | 
 Do not set minimum DCE connection speed  | 
| 
 &U1  | 
 Set connection speed to 300bps  | 
| 
 &U2  | 
 Set connection speed to 1200bps  | 
| 
 &U3  | 
 Set connection speed to 2400bps  | 
| 
 &U4  | 
 Set connection speed to 4800bps  | 
| 
 &U5  | 
 Set connection speed to 7200bps  | 
| 
 &U6  | 
 Set connection speed to 9600bps  | 
| 
 &U7  | 
 Set connection speed to 12000bps  | 
| 
 &U8  | 
 Set connection speed to 14400bps  | 
| 
 &U9  | 
 Set connection speed to 16800bps  | 
| 
 &U10  | 
 Set connection speed to 19200bps  | 
| 
 &U11  | 
 Set connection speed to 21600bps  | 
| 
 &U12  | 
 Set connection speed to 24400bps  | 
| 
 &U13  | 
 Set connection speed to 26400bps  | 
| 
 &U14  | 
 Set connection speed to 28800bps  | 
| 
 &U15  | 
 Set connection speed to 31200bps  | 
| 
 &U16  | 
 Set connection speed to 33600bps  | 
| 
 &U17  | 
 Set connection speed to 33333bps  | 
| 
 &U18  | 
 Set connection speed to 37333bps  | 
| 
 &U19  | 
 Set connection speed to 41333bps  | 
| 
 &U20  | 
 Set connection speed to 42666bps  | 
| 
 &U21  | 
 Set connection speed to 44000bps  | 
| 
 &U22  | 
 Set connection speed to 45333bps  | 
| 
 &U23  | 
 Set connection speed to 46666bps  | 
| 
 &U24  | 
 Set connection speed to 48000bps  | 
| 
 &U25  | 
 Set connection speed to 49333bps  | 
| 
 &U26  | 
 Set connection speed to 50666bps  | 
| 
 &U27  | 
 Set connection speed to 52000bps  | 
| 
 &U28  | 
 Set connection speed to 53333bps  | 
| 
 &U29  | 
 Set connection speed to 54666bps  | 
| 
 &U30  | 
 Set connection speed to 56000bps  | 
| 
 &U31  | 
 Set connection speed to 57333bps  | 
| 
 BREAK CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Yn [cmds]  | 
| 
 Description:  | 
 Controls the break  | 
| 
 Command  | 
 Function  | 
| 
 &Y0  | 
 Destructive break. Does not send break  | 
| 
 í &Y1 | 
 Destructive break. Break expedited  | 
| 
 &Y2  | 
 Nondestructive break. Break expedited  | 
S(status) -REGISTERS
| 
 BUFFER RESET S13  | |
| 
 Format:  | 
 AT [cmds] S13=n [cmds]  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 DTR, buffer reset, backspace, autodial. Retrain +++ hangup  | 
| 
 ARQ/MNP/V.42bis S15  | |
| 
 Format:  | 
 AT [cmds] S15=n [cmds]  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 Disable ARQ/MNP/V.42bis  | 
| 
 INACTIVITY TIMER  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S19=n [cmds]  | 
| 
 Default:  | 
 0  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 1 second  | 
| 
 Description:  | 
 Sets the maximum duration for inactivity  | 
Note: S19=0 disables the timer and allows an indefinite duration. | |
| 
 BIT-MAPPED REGISTER S21  | |
| 
 Format  | 
 AT [cmds] S21=n [cmds]  | 
| 
 Default:  | 
 Unidentified  | 
| 
 Range:  | 
 0-253  | 
| 
 Unit:  | 
 0.01sec  | 
| 
 Description:  | 
 Sets the maximum duration for break  | 
| 
 FLOW CONTROL CHARACTER - XON  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S22=n [cmds]  | 
| 
 Default:  | 
 17  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Sets the character used to represent XON  | 
| 
 FLOW CONTROL CHARACTER - XOFF  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S23=n [cmds]  | 
| 
 Default:  | 
 19  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Sets the character used to represent XOFF  | 
| 
 DTR CHANGE THRESHOLD  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S25=n [cmds]  | 
| 
 Default:  | 
 5  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 .1 second  | 
| 
 Description:  | 
 Sets maximum time a change in the DTR signal will be ignored  | 
Note: This is the function of this register when &M1 is not set. | |
| 
 BIT-MAPPED REGISTER S27  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S27=n [cmds]  | 
| 
 Default:  | 
 5  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 V.21 @ 300bps, trellis coding, Disable V.32, answer tone, 9600 result codes, disable V.32bis, enable V.23  | 
| 
 ANSWER TONE  | |
| 
 Format  | 
 AT [cmds] S28=n [cmds]  | 
| 
 Default:  | 
 8  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 0.1 second  | 
| 
 Description:  | 
 Controls V.32 answer tone.  | 
| 
 ANSWER MODE TIMER  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S29=n [cmds]  | 
| 
 Default:  | 
 20  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 .01 second  | 
| 
 Description:  | 
 Controls the V.21 answer mode timer.  | 
| 
 BIT-MAPPED REGISTER S32  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S32=n [cmds]  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 V8, V34, V34bis, x2 Enable V.8  | 
| 
 BIT-MAPPED REGISTER S33  | |
| 
 Format:  | 
 AT [cmds] S33=n [cmds]  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 Disable 2400, 2743, 2800, 3000, 3200, and 3429 symbol rates.  | 
| 
 BIT-MAPPED REGISTER S34  | |
| 
 Format:  | 
 AT [cmds] S34=n [cmds]  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 Trellis coding :8S-2D, 16S-4D mapped register 32S-2D, 64S-4D  | 
| 
 BIT-MAPPED REGISTER S41  | |
| 
 Format  | 
 AT [cmds] S41=n [cmds]  | 
| 
 Default:  | 
 Unidentified  | 
| 
 Unit:  | 
 Bit-mapped  | 
| 
 Description:  | 
 Distinctive ring (on=1)  |