DIGICOM SPA
TINTORETTO INTERNAL
| 
 Card Type  | 
 ISDN TA  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 I/O Options  | 
 ISDN interface via RJ-45 connector, headphone, microphone, speaker, 25-pin serial port, power  | 
| 
 ISDN Rate  | 
 128Kbps  | 
| 
 ISDN Modulation Protocol  | 
 V.110, V.120, PPP  | 
| 
 Error Correction/Compression  | 
 V.42bis  | 
| 
 Data Bus  | 
 16-bit ISA  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 ISDN interface (RJ-45 connector)  | 
 CN1  | 
 Reset  | 
 P1  | |||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Setting  | 
 Label  | 
 Position  | 
| 
 í Transmission channel in high impedence mode | 
 U4  | 
 Pins 2 & 3 closed  | 
| 
 Transmit termination set to 100Ohm  | 
 U4  | 
 Pins 1 & 2 closed  | 
| 
 í Receive channel in high impedence mode | 
 U5  | 
 Pins 2 & 3 closed  | 
| 
 Receive termination set to 100Ohm  | 
 U5  | 
 Pins 1 & 2 closed  | 
| 
 í Interrupt 14 enabled | 
 U8  | 
 Pins 2 & 3 closed  | 
| 
 Interrupt 14 disabled  | 
 U8  | 
 Pins 1 & 2 closed  | 
| 
 ADDRESS SELECTION  | ||
| 
 Setting  | 
 DS1/1  | 
 DS1/2  | 
| 
 COM1 (3F8h)  | 
 Off  | 
 Off  | 
| 
 COM2 (2F8h)  | 
 Off  | 
 On  | 
| 
 COM3 (3E8h)  | 
 On  | 
 Off  | 
| 
 COM4 (2E8h)  | 
 On  | 
 On  | 
| 
 INTERRUPT SELECTION  | ||||||
| 
 IRQ  | 
 DS1/3  | 
 DS1/4  | 
 DS1/5  | 
 DS1/6  | 
 DS1/7  | 
 DS1/8  | 
| 
 IRQ3  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 IRQ4  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 IRQ5  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 IRQ10  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 IRQ11  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 SUPPORTED COMMAND SET  | 
| 
 Basic AT Commands  | 
| 
 AT, A/  | 
| 
 A, E, Q, V, W  | 
| 
 &C, &R, &Z  | 
| 
 S Registers  | 
| 
 S3, S4, S12, S25, S26  | 
| 
 Note: See MHI Help File for full command documentation. | 
PROPRIETARY AT COMMAND SET
| 
 AUTO-MODE DETECTION  | ||
| 
 Type:  | 
 Configuration  | |
| 
 Format:  | 
 AT [cmds] Nn [cmds]  | |
| 
 Description:  | 
 Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed (V.110 or V.120).  | |
| 
 Command  | 
 Originate Mode  | 
 Answer Mode  | 
| 
 N0  | 
 Connection is established at speed selected by register S37.  | 
 Connection is established by %A2 and speed selected by register S37.  | 
| 
 í N1 | 
 Line connection speed determined by last autobaud. If the value is greater than 19.2Kbps, the connection will be established at 19.2Kbps  | 
 Negotiation set by bearer capability information sent by remote user  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Qn [cmds]  | 
| 
 Description:  | 
 Selects communications mode options  | 
| 
 Command  | 
 Mode  | 
| 
 &Q0  | 
 Buffered asynchronous mode  | 
| 
 &Q1  | 
 Asynchronous off-line command mode and synchronous connect mode  | 
| 
 &Q2  | 
 Call is made from location 0 in the phone book when DTR is high. Device disconnects from ISDN network when DTR is low  | 
| 
 &Q4  | 
 Direct mode (V.110)  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Mn [cmds]  | 
| 
 Description:  | 
 Selects communications mode options  | 
| 
 Command  | 
 Mode  | 
| 
 &M0  | 
 Buffered asynchronous mode  | 
| 
 &M1  | 
 Asynchronous off-line command mode and synchronous connect mode  | 
| 
 &M2  | 
 Call is made from location 0 in the phone book when DTR is high. Device disconnects from ISDN network when DTR is low  | 
| 
 &M4  | 
 Direct mode (V.110)  | 
| 
 CONFIGURATION PROFILES  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] &V [cmds]  | 
| 
 Description:  | 
 Displays active and stored configuration profiles  | 
| 
 Command  | 
 Function  | 
| 
 &V0  | 
 Displays the active profile, the 0 and 1 st user configuration and the first four stored numbers | 
| 
 &V1  | 
 Displays the 2 nd and 3rd user configuration | 
| 
 &V2  | 
 Displays every stored phone number  | 
| 
 &V3  | 
 Displays the supplementary services profile  | 
| 
 DATA COMPRESSION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] &Un  | 
| 
 Description:  | 
 Selects data compression  | 
| 
 Command  | 
 Function  | 
| 
 í &U0 | 
 Data compression disabled  | 
| 
 &U1  | 
 Error corrected data compression enabled (V.120)  | 
| 
 DATA SET READY (DSR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Sn [cmds]  | 
| 
 Description:  | 
 Selects DSR options  | 
| 
 Command  | 
 Function  | 
| 
 í &S0 | 
 DSR forced high  | 
| 
 &S1  | 
 DSR high only while modem is handshaking or connected  | 
| 
 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  | 
| 
 DS=n  | 
 Dial stored telephone number n  | 
| 
 Dn1*n2  | 
 Dial two numbers n1, and n2 for MLPPP at 128Kbps. If the service access at 128Kbps is over a single telephone number, than make n1 equal to n2.  | 
| 
 FACTORY DEFAULT PROFILE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &F [cmds]  | 
| 
 Description:  | 
 Sets values in active profile to values found in the default profile  | 
| 
 Command  | 
 Function  | 
| 
 &F0  | 
 Load active profile the factory profile 0  | 
| 
 &F1  | 
 Load active profile the factory profile 1  | 
| 
 &F2  | 
 Load active profile the factory profile 2  | 
| 
 &F3  | 
 Load active profile the factory profile 3  | 
| 
 FLOW CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Kn [cmds]  | 
| 
 Description:  | 
 Enables flow control options  | 
| 
 Command  | 
 Function  | 
| 
 &K0  | 
 Flow control disabled  | 
| 
 &K3  | 
 RTS/CTS flow control enabled  | 
| 
 &K4  | 
 XON/XOFF flow control enabled. Modem does not transmit XON/XOFF characters received from computer to remote  | 
| 
 &K8  | 
 Unidirectional XON/XOFF flow control enabled  | 
| 
 &K12  | 
 XON/XOFF flow control enabled. Modem transmits XON/XOFF characters received from computer to remote  | 
| 
 &K16  | 
 V.110 XON/XOFF flow control enabled. Flow control between local and remote modems only. Flow control between modem and computer is disabled.  | 
| 
 &K20  | 
 V.110 XON/XOFF flow control enabled.  | 
| 
 HOOK CONTROL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] Hn [cmds]  | 
| 
 Description:  | 
 Hangs up the TA from the ISDN network  | 
| 
 Command  | 
 Function  | 
| 
 H0  | 
 Modem commanded to go on-hook (hang-up)  | 
| 
 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  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Description:  | 
 Displays information requested  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Reports model  | 
| 
 I1  | 
 Reports ROM checksum  | 
| 
 I2  | 
 Tests and reports ROM checksum  | 
| 
 I3  | 
 Reports revision level  | 
| 
 I4  | 
 Display central office  | 
| 
 RESTORE PROFILE ON POWER-UP  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Yn [cmds]  | 
| 
 Description:  | 
 Restores a selected profile into the active profile on power-up (hard reset)  | 
| 
 Command  | 
 Function  | 
| 
 &Y0  | 
 Restore profile 0 on power-up  | 
| 
 &Y1  | 
 Restore profile 1 on power-up  | 
| 
 &Y2  | 
 Restore profile 2 on power-up  | 
| 
 &Y3  | 
 Restore profile 3 on power-up  | 
| 
 SELECT CALL PROGRESS RESULT CODES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Xn [cmds]  | 
| 
 Description:  | 
 Enables selection of tone detection and associated result code format options  | 
| 
 Command  | 
 Function  | 
| 
 X0  | 
 Result codes 0 - 4 enabled.  | 
| 
 X1  | 
 Extended result codes enabled.  | 
| 
 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  | 
 Restore setting 0  | 
| 
 Z1  | 
 Restore setting 1  | 
| 
 Z2  | 
 Restore setting 2  | 
| 
 Z3  | 
 Restore setting 3  | 
| 
 STORE ACTIVE PROFILE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Wn [cmds]  | 
| 
 Description:  | 
 Writes the values for the active profile into the non-volatile RAM  | 
| 
 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  | 
| 
 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 B1 channel local digital loopback  | 
EXTENDED AT COMMAND SET
| 
 B-CHANNEL PROTOCOL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %A2=n [cmds]  | 
| 
 Description:  | 
 Determines rate adaptation protocol on B-channel  | 
| 
 Command  | 
 Function  | 
| 
 í %A2=1 | 
 V.110  | 
| 
 %A2=2  | 
 V.120  | 
| 
 %A2=5  | 
 PPP at 64Kbps  | 
| 
 %A2=6  | 
 MLPPP at 128Kbps  | 
| 
 B-CHANNEL SELECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %A3=n [cmds]  | 
| 
 Description:  | 
 Selects data channel  | 
| 
 Command  | 
 Function  | 
| 
 í %A3=2 | 
 B1 channel selected. If busy select B2 channel  | 
| 
 %A3=3  | 
 B1 channel selected. If busy initiate hang-up  | 
| 
 %A3=4  | 
 B2 channel selected. If busy select B1 channel  | 
| 
 %A3=5  | 
 B2 channel selected. If busy initiate hang-up  | 
| 
 COMMAND SET  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Vn [cmds]  | 
| 
 Description:  | 
 Selects command set  | 
| 
 Command  | 
 Function  | 
| 
 %V0  | 
 AT command set  | 
| 
 %V1  | 
 Asynchronous V.25bis command set  | 
| 
 %V3  | 
 Synchronous V.25bis HDLC command set  | 
| 
 COMPRESSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Cn [cmds]  | 
| 
 Description:  | 
 Selects data compression  | 
| 
 Command  | 
 Function  | 
| 
 %C0  | 
 Data compression disabled  | 
| 
 %C1  | 
 MNP5 enabled  | 
| 
 DELETE RAM  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] /Z=0000 [cmds]  | 
| 
 Description:  | 
 Deletes RAM and loads factory configuration 0  | 
| 
 FAX AND ANSWERING MACHINE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] /R1 [cmds]  | 
| 
 Description:  | 
 Enables Fax and answering machine  | 
| 
 FAX AND ANSWERING MACHINE - ANSWER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] /N11 [cmds]  | 
| 
 Description:  | 
 Sets Fax and answering machine to receive incoming call  | 
| 
 FLASH EPROM CODE UPGRADE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Fn [cmds]  | 
| 
 Description:  | 
 Initiates Flash EPROM code upgrade  | 
| 
 RESET  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Z1 [cmds]  | 
| 
 Description:  | 
 Master reset and load the configuration specified by the &Y command  | 
| 
 RTS FOLLOWS CTS IN OFF-LINE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Kn [cmds]  | 
| 
 Description:  | 
 Enables RTS to follow CTS in off-line  | 
| 
 TEI DEFINITION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] /T=nn [cmds]  | 
| 
 Range:  | 
 00-63, 99  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Sets TEI to a point to point value. 99 causes TEI to be variable.  | 
SPECIAL COMMANDS
| 
 CALLER ID  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] *In [cmds]  | 
| 
 Description:  | 
 Controls the Caller ID function  | 
| 
 Command  | 
 Function  | 
| 
 *I0  | 
 Caller ID disabled  | 
| 
 *I1  | 
 Caller ID enabled  | 
| 
 CTS STATUS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] *Kn [cmds]  | 
| 
 Description:  | 
 Controls CTS during handshaking in asynchronous mode.  | 
| 
 Command  | 
 Function  | 
| 
 í *K0 | 
 CTS on during handshaking  | 
| 
 *K1  | 
 CTS off during handshaking  | 
| 
 ISDN NETWORK TYPE  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] !C0n [cmds]  | 
| 
 Description:  | 
 Displays type if ISDN network used. Value for Euro ISDN network must be 4  | 
| 
 MULTISUBSCRIBER NUMBER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] *Mn [cmds]  | 
| 
 Description:  | 
 Permits the association of a maximum of 8 consecutive numbers to a BRI access of the national plan number  | 
| 
 Command  | 
 Function  | 
| 
 í *M0 | 
 MSN disabled  | 
| 
 *M1  | 
 MSN enabled  | 
| 
 STORE CALLER ID NUMBER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] !N1=n [cmds]  | 
| 
 Description:  | 
 Stores telephone number n for the caller ID function. !N1=? displays the stored telephone number.  | 
| 
 STORE MULTISUBSCRIBER NUMBER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] !N2=n [cmds]  | 
| 
 Description:  | 
 Stores own telephone number n for the MSN. !N2=? displays the stored multisubscriber number.  | 
| 
 STORE SUBADDRESS NUMBER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] !N3=n [cmds]  | 
| 
 Description:  | 
 Stores subaddress field with a maximum of four numbers. !N3=? displays the stored subaddress field.  | 
| 
 SUBADDRESS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] *Sn [cmds]  | 
| 
 Description:  | 
 Identifies address of called modem  | 
| 
 Command  | 
 Function  | 
| 
 í *S0 | 
 Subaddress function disabled  | 
| 
 *S1  | 
 Subaddress function enabled  | 
S(status) REGISTERS
| 
 AUTO ANSWER RING COUNT  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S0=n [cmds]  | 
| 
 Range:  | 
 1-5  | 
| 
 Unit:  | 
 1 ring  | 
| 
 Description:  | 
 Sets the number of rings allowed before the modem automatically goes off-hook  | 
Note: If S0=0, automatic-answering is disabled. The A command must be used to go off-hook.  | |
| 
 BACKSPACE CHARACTER  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S5=n [cmds]  | 
| 
 Range:  | 
 0-127  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Selects a character used for backspace <BS>  | 
| 
 BIT-MAPPED REGISTER S31  | ||||
| 
 Type:  | 
 Register  | |||
| 
 Format:  | 
 AT [cmds] S31=n [cmds]  | |||
| 
 Range:  | 
 0-255  | |||
| 
 Description:  | 
 Selects V.25bis command mode  | |||
| 
 Bit  | 
 Value  | 
 Function  | ||
| 
 1,0  | 
 í 0 | 
 V.25bis asynchronous mode  | ||
| 
 7  | 
 í 01  | 
 V.25bis disabled V.25bis enabled  | ||
| 
 CALL WAITING TONE  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S13=n [cmds]  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 1sec  | 
| 
 Description:  | 
 Defines the duration the buzzer/TST LED will flash on new incoming call  | 
| 
 DCE LINE SPEED  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S37=n [cmds]  | 
| 
 Description:  | 
 Sets the maximum allowable data exchange rate attempted during handshake process.  | 
| 
 Command  | 
 Function  | 
| 
 S37=0, 255  | 
 Speed of last connection  | 
| 
 S37=4  | 
 600bps  | 
| 
 S37=5  | 
 1200bps  | 
| 
 S37=6  | 
 2400bps  | 
| 
 S37=15  | 
 4800bps  | 
| 
 S37=16  | 
 7200bps  | 
| 
 S37=17  | 
 9600bps  | 
| 
 S37=18  | 
 12.0Kbps  | 
| 
 S37=19  | 
 14.4Kbps  | 
| 
 S37=27  | 
 19.2Kbps  | 
| 
 S37=50  | 
 38.4Kbps (asynchronous only)  | 
| 
 S37=51  | 
 48.0Kbps (synchronous only)  | 
| 
 S37=53  | 
 64.0Kbps (synchronous only)  | 
| 
 DOUBLE CALL CHARACTER  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S80=n [cmds]  | 
| 
 Range:  | 
 0-255  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Contains the character used in a double call (MLPPP)  | 
| 
 ESCAPE CHARACTER  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S2=n [cmds]  | 
| 
 Range:  | 
 0-127  | 
| 
 Unit:  | 
 ASCII  | 
| 
 Description:  | 
 Selects a character used for the escape sequence  | 
Note: A value greater than 127 will disable the escape sequence.  | |
| 
 FLOW CONTROL  | ||
| 
 Type:  | 
 Register  | |
| 
 Format:  | 
 AT [cmds] S49=n [cmds]  | |
| 
 Description:  | 
 Displays the value of the &K command, which specifies the DTE flow control setting  | |
| 
 Command  | 
 Function  | |
| 
 S49=0  | 
 No DTE flow control  | |
| 
 S49=3  | 
 RTS/CTS flow control enabled  | |
| 
 S49=4  | 
 Bi-directional XON/XOFF flow control enabled  | |
| 
 S49=5  | 
 Transparent bi-directional XON/XOFF flow control enabled  | |
| 
 NO CARRIER TIME-OUT  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S7=n [cmds]  | 
| 
 Range:  | 
 1-255  | 
| 
 Unit:  | 
 1 second  | 
| 
 Description:  | 
 Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.  | 
| 
 POINTER FOR CALL-BACK AND AUTOLOGON  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S34=n [cmds]  | 
| 
 Range:  | 
 0-20, 255  | 
| 
 Unit:  | 
 Unidentified  | 
| 
 Description:  | 
 Establishes the memory location accessed to initiate autologon or callback procedures. 20 will cause the phonebook to scroll. 255 disables function  | 
| 
 RING COUNT  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S1 [cmds]  | 
| 
 Range:  | 
 1-5  | 
| 
 Unit:  | 
 1 ring  | 
| 
 Description:  | 
 Counts the number of ring-cycles the modem receives  | 
Note: S1 is reset to 0 if no ring is detected within an eight-second window.  | |