MOTOROLA, INC. 3261FAST/3261FAST-SDC/3266FAST/3266FAST-SDC Modem Type Data (synchronous/asynchronous) Maximum Data Rate 28.8Kbps Data Bus External Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 Error Correction/Compression MNP5, V.42, V.42bis Motorola Codex [Image] CONNECTIONS Purpose Location Purpose Location RETURN button BT1 Leased line out CN3 DOWN button BT2 120VAC power CN4 ACROSS button BT3 RS-232/422 CN5 ENTER button BT4 Network control out CN6 (Talk/Data) Switched line out CN1 Network control in CN7 Line in CN2 Power switch SW1 ELECTRICAL INTERFACE SELECTION Interface SW2/1 » EIA/TIA 232-D On ITU-T V.35 Off TEST/BUSY OUT ON PIN 25 Mode SW2/2 » Enable busy out when pin 25 is Off high Self test is in progress when pin 25 On is high FRONT PANEL CONFIGURATION Mode SW2/3 » Front panel enabled Off Front panel disabled On RESET MEMORY Mode SW2/4 » Normal operation Off Reset modem to factory settings On COMMAND SETS Mode SW2/5 » Command sets enabled Off Command sets disabled On FACTORY CONFIGURED - DO NOT ALTER Switch Position SW2/6 Off DIAGNOSTIC LED(S) LED Color Status Condition RD Red On Modem is receiving data RD Red Off Modem is not receiving data TR Red On DTR signal is high TR Red Off DTR signal is low RI/OH Red On Switched line is off-hook or is ringing RI/OH Red Off Switched line is on-hook and is not ringing TD Red On Modem is transmitting data TD Red Off Modem is not transmitting data CD Red On Carrier signal detected CD Red Off Carrier signal not detected RC/NC Red On Modem is under remote or network control RC/NC Red Off Modem is under local control Proprietary AT Command Set ADAPTIVE RATE Type: Configuration Format: AT [cmds] *APn [cmds] Example: AT *EC0 *DC1 *AP0 Description: Selects whether the modem will automatically adjust its speed according to line conditions. Command Function *AP0 Adaptive rate disabled. *AP1 Adaptive rate enabled. ANSWER/ORIGINATE MODE Type: Configuration Format: AT [cmds] *CAn [cmds] Example: AT *CA2 Description: Selects whether the modem is in answer or originate mode. Command Function *CA0 Modem is in originate mode. *CA1 Modem is in answer mode. *CA2 Modem is in answer mode only if pin 11 of the serial interface is high. *CA3 Modem switches to originate mode after auto-answer. AUTO-ANSWER Type: Configuration Format: AT [cmds] *AAn [cmds] Example: AT *AA5 S0=3 Description: Configures the modem’s response to an incoming call. Command Function *AA0 Modem will not answer incoming call. *AA1 Modem will answer incoming call on first ring. *AA2 Modem will answer incoming call on second ring. *AA3 Modem will answer incoming call on fourth ring. *AA4 Modem will answer incoming call on eighth ring. *AA5 Modem will answer according to register S0. AUTO-ANSWER - SWITCHED LINE Type: Configuration Format: AT [cmds] *ASn [cmds] Example: AT *AS0 H1 DT555-1212 Description: Selects whether the modem will answer an incoming switched line call while connected over the leased line. Command Function *AS0 Modem will ignore incoming switched line call. *AS1 Modem will disconnect from leased line to answer switched line call. BLIND DIALING DELAY Type: Configuration Format: AT [cmds] *BDn [cmds] Example: AT *BD2 S6=3 Description: Configures how long the modem will wait before it begins dialing when in blind dial mode. Command Function *BD0 Modem will wait 2 seconds before dialing. *BD1 Modem will wait 4 seconds before dialing. *BD2 Modem will wait according to register S6. BUFFER SIZE Type: Configuration Format: AT [cmds] *NBn [cmds] Example: AT *NB0 Description: Selects the modem’s transmit/receive buffer size. Command Function *NB0 Normal buffer size. *NB1 Small buffer size. BUSY OUT ON TEST MODE Type: Configuration Format: AT [cmds] *LLn [cmds] Example: AT *LL1 Description: Sends busy signal when modem is in a test mode. Command Function *LL0 Do not send busy signal when modem is in test mode. *LL1 Send busy signal when modem is in test mode. BREAK TYPE Type: Configuration Format: AT [cmds] *BKn [cmds] Example: AT *BK0 Description: Configures action of break signal. Command Function *BK0 Break empties buffer and is sent immediately. *BK1 Break does not empty buffer and is sent immediately. *BK2 Break does not empty buffer and is sent in sequence. CALLBACK DIAL TONE TIME Type: Register Format: AT [cmds] S45=n [cmds] Example: ATS45=2 Default: 5 Range: 0-10 Unit: 1 second Description: Sets the length of the dialtone generated by the callback feature to prompt for the password. CALLBACK NUMBER SOURCE Type: Configuration Format: AT [cmds] *ZCn [cmds] Example: AT *ZC10 *ZIsnarf Description: Configures where the callback function will obtain the number to call. Command Function *ZC0 Callback function disabled. *ZC10 Callback function will dial the number provided by the remote user. *ZC12 Callback function will dial the number stored in the memory location provided by the remote user. CALLBACK ONLY MODE Type: Configuration Format: AT [cmds] *ZRn [cmds] Example: AT *ZR0 S0=2 Description: Sets whether the modem is callback-only. Command Function *ZR0 Modem will accept both normal calls and callback calls. *ZR1 Modem will only accept callback calls. CALLBACK PASSWORD Type: Configuration Format: AT [cmds] *ZIxxxx Example: AT *ZC10 *ZIsnarf Description: Sets the callback password to xxxx. The password must not be more than 10 characters. CALLBACK PASSWORD TIME Type: Register Format: AT [cmds] S46=n [cmds] Example: ATS46=18 Default: 12 Range: 0-255 Unit: 1 second Description: Sets the length of time in which the callback password must be entered. CALLBACK RINGBACK TONE Type: Configuration Format: AT [cmds] *ZSn [cmds] Example: AT *ZP2 *ZS1 Description: Selects whether the modem will generate a ringback tone upon receiving the correct callback password. Command Function *ZS0 Modem will not generate ringback tone. *ZS1 Modem will generate ringback tone. CALLBACK SECURITY Type: Configuration Format: AT [cmds] *ZVn [cmds] Example: AT *ZV1 S0=1 Description: Enables security for the callback function. Command Function *ZV0 Disables password verification and disables callback mode.. *ZV1 Enables password verification by the modem. CALLBACK STORED NUMBER Type: Configuration Format: AT [cmds] *ZCn [cmds] Example: AT *ZC3 *ZIsnarf Description: Callback function will dial the number stored in memory location n. CALLBACK TONES Type: Configuration Format: AT [cmds] *ZPn [cmds] Example: AT *ZP2 *ZS1 Description: Selects which tones the callback function will use to indicate operation. Command Function *ZP0 Callback tones disabled. *ZP1 Generate dialtone to prompt for password. *ZP2 Generate answer tone after password. *ZP3 Generate both tones. CALL WAIT TIMER Type: Configuration Format: AT [cmds] *TTn [cmds] Example: AT *TT5 S7=120 Description: Sets the length of time that the modem will wait for a call to succeed. Command Function *TT0 Modem will wait for 30 seconds. *TT1 Modem will wait for 45 seconds. *TT2 Modem will wait for 60 seconds. *TT3 Modem will wait for 90 seconds. *TT4 Modem will wait for 180 seconds. *TT5 Modem will wait according to register S7. CD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Example: AT &C3 *RS1 *SR1 Description: Configures the behavior of the carrier detect signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced high except during handshaking and disconnecting. &C3 CD follows remote RTS signal. &C4 CD forced high except during disconnecting. CD SIGNAL REACTION Type: Configuration Format: AT [cmds] *CDn [cmds] Example: AT *CD2 Description: Configures the modem’s response to loss of the carrier signal. Command Function *CD0 Modem ignores low CD. *CD1 Modem will wait for 3 seconds of low CD before disconnecting. *CD2 Modem will wait for 7 seconds of low CD before disconnecting. *CD3 Modem will wait according to register S10. COMPRESSION Type: Configuration Format: AT *DCn Example: AT *EC0 *DC1 *AP0 Description: Selects data compression. Command Function *DC0 Data compression disabled. *DC1 Data compression enabled. CONNECT MESSAGE Type: Configuration Format: AT [cmds] *MSn [cmds] Example: AT *MS0 Description: Selects whether CONNECT message is sent before or after the carrier detect signal is high. Command Function *MS0 CONNECT sent after CD is high. *MS1 CONNECT sent before CD is high. CONNECT MODE Type: Configuration Format: AT [cmds] *SMn [cmds] Example: AT *SM1 DT555-1212 Description: Sets connect mode. Command Function *SM1 Direct mode. *SM0 Normal mode. *SM2 Reliable mode. *SM3 Auto-reliable mode. *SM4 If modem connects at faster than 1200bps, reliable mode will be used. At 1200bps or slower, normal mode will be used for asynchronous connections and direct mode for synchronous connections. CONNECTION SPEED LOWER LIMIT Type: Configuration Format: AT [cmds] *MNn [cmds] Example: AT *MN6 *MX14 *MM11 Description: Sets slowest allowed connection speed. Command Function *MN0 Select 300bps minimum speed. *MN1 Select 1200bps minimum speed. *MN2 Select 2400bps minimum speed. *MN3 Select 4800bps minimum speed. *MN4 Select 7200bps minimum speed. *MN5 Select 9600bps minimum speed. *MN6 Select 12Kbps minimum speed. *MN7 Select 14.4Kbps minimum speed. *MN8 Select 16.8Kbps minimum speed. *MN9 Select 19.2Kbps minimum speed. *MN10 Select 21.6Kbps minimum speed. *MN11 Select 24Kbps minimum speed. *MN12 Select 26.4Kbps minimum speed. *MN13 Select 28.8Kbps minimum speed. CONNECTION SPEED UPPER LIMIT Type: Configuration Format: AT [cmds] *MXn [cmds] Example: AT *MN6 *MX14 *MM11 Description: Sets fastest allowed connection speed. Command Function *MX0 Select 300bps maximum speed. *MX1 Select 1200bps maximum speed. *MX2 Select 2400bps maximum speed. *MX3 Select 4800bps maximum speed. *MX4 Select 7200bps maximum speed. *MX5 Select 9600bps maximum speed. *MX6 Select 12Kbps maximum speed. *MX7 Select 14.4Kbps maximum speed. *MX8 Select 16.8Kbps maximum speed. *MX9 Select 19.2Kbps maximum speed. *MX10 Select 21.6Kbps maximum speed. *MX11 Select 24Kbps maximum speed. *MX12 Select 26.4Kbps maximum speed. *MX13 Select 28.8Kbps maximum speed. CTS SIGNAL Type: Configuration Format: AT [cmds] *CTn [cmds] Example: AT *CT0 Description: Selects the function of the CTS signal. Command Function *CT0 CTS forced high. *CT1 CTS normal. *CT2 CTS forced high in command mode, forced low during handshaking and retraining, and follows RTS in data mode. *CT3 CTS forced high in asynchronous mode and behaves like *CT2 in synchronous mode. *CT4 CTS follows RTS. CTS/RTS DELAY Type: Configuration Format: AT [cmds] *DLn [cmds] Example: AT *DL1 O Description: When CTS is set to follow RTS, sets the delay between the RTS signal going high and CTS following. Command Function *DL0 CTS follows RTS immediately. *DL1 CTS follows RTS after 15ms. *DL2 CTS follows RTS after 60ms. *DL3 CTS follows RTS after 90ms. *DL4 CTS follows RTS according to S26. DIAL Type: Immediate Format: AT [cmds] D<#> [; cmds] Example: AT H1 DT 9W *70, 1(303) 555-1212 Description: Dials telephone number according to any modifiers included in the string. Modifier Function DK Dialing paused for amount of time specified in S8 register. DP Pulse dialing enabled. DR Dial in answer mode. DS=n Number in memory location n dialed. DT Tone dialing enabled. DW Dialing resumed following dial tone detection. D, Dialing paused for amount of time specified in S8 register. D< Dialing paused for amount of time specified in S8 register. D! Flash function initiated. Modem commanded to go on-hook for specified time. D@ Modem waits for a ring-back signal followed by silence up to the time specified in S7 prior to executing the rest of the dial string. D& Flash function initiated. Modem commanded to go on-hook for specified time. D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. D: Dialing resumed following dial tone detection. DIAL PAUSE TIME Type: Configuration Format: AT [cmds] *DPn [cmds] Example: AT *DP9 S8=1 Description: Sets the time the modem will wait when it encounters a pause symbol in a dial string. Command Function *DP0 Modem will pause for 3 seconds. *DP1 Modem will pause for 6 seconds. *DP2 Modem will pause for 9 seconds. *DP3 Modem will pause for 12 seconds. *DP4 Modem will pause according to register S8. DIAL RESTRICTIONS Type: Configuration Format: AT [cmds] *ZDn [cmds] Example: AT *ZD10 S0=1 Description: Sets the restrictions on dial commands. Command Function *ZD0 Unrestricted dialing. *ZD1 Redial and auto-redial disabled. *ZD2 Manual dial, redial, and auto-redial disabled; only stored numbers may be dialed. DIAL TONE WAIT TIME Type: Configuration Format: AT [cmds] *DDn [cmds] Example: AT *DD9 S7=1 Description: Configures how long the modem will wait for a dial tone. Command Function *DD0 Modem will wait 2 seconds for dial tone. *DD1 Modem will wait 3 seconds for dial tone. *DD2 Modem will wait 4 seconds for dial tone. *DD3 Modem will wait 6 seconds for dial tone. *DD4 Modem will wait 12 seconds for dial tone. *DD5 Modem will wait 15 seconds for dial tone. *DD6 Modem will wait 20 seconds for dial tone. *DD7 Modem will wait 30 seconds for dial tone. *DD8 Modem will wait 40 seconds for dial tone. *DD9 Modem will wait according to register S7. DIAL TYPE SELECTION Type: Configuration Format: AT [cmds] *PTn [cmds] Example: AT *PT0 D555-1212 Description: Selects which type of dialing will be used as default. Command Function *PT0 Tone dialing will be used as default. *PT1 Pulse dialing will be used as default. *PT2 Attempt to use tone dialing; if this fails, use pulse dialing. DIAL STORED PHONE NUMBER Type: Immediate Format: AT [cmds] *DSn Example: ATM0 *DS5 Description: Dials a stored phone number. DISCONNECT BUFFER MODE Type: Configuration Format: AT [cmds] *DBn [cmds] Example: AT *DB0 Description: Configures when the modem will disconnect if there is data in the transmit or receive buffers. Command Function *DB0 Modem will disconnect immediately. *DB1 Modem will disconnect after time in S38 or when buffers have emptied, whichever occurs first. *DB2 Modem will wait until buffers have emptied, then disconnect after time in S38. *DB3 Modem will disconnect after time in S38. DISCONNECT SEQUENCE Type: Configuration Format: AT [cmds] *MDn [cmds] Example: AT *MD0 Description: Selects whether the modem will inform the remote modem before disconnecting. Command Function *MD0 Modem disconnects without signalling the remote modem. *MD1 Modem signals the remote modem to disconnect. DISPLAY STORED NUMBERS Type: Immediate Format: AT [cmds] *NDn [cmds] Example: AT*CN3,555-1212 *ND Description: Displays the phone number in the memory location indicated. If no location is indicated they will all be displayed. DSR SIGNAL Type: Configuration Format: AT [cmds] *MRn [cmds] Example: AT *MR0 Description: Selects the function of the DSR signal. Command Function *MR0 DSR normal. *MR1 DSR forced high. *MR2 DSR follows DTR. *MR3 DSR normal, except forced low on disconnect. *MR4 DSR follows DTR, except forced low on disconnect. DTR CHANGE DELAY Type: Configuration Format: AT [cmds] *DTn [cmds] Example: AT*DT0 S25=2 Description: Sets maximum time a change in the DTR signal will be ignored. Command Function *DT0 DTR will be ignored according to register S25. *DT1 DTR will be ignored for 10 seconds. *DT2 DTR will be ignored for 15 seconds. DTR DIALING Type: Configuration Format: AT [cmds] *DAn [cmds] Example: AT *DA1 DT555-1212 Description: Sets the DTR dialing function to dial the number at memory location n. DTR SIGNAL Type: Configuration Format: AT [cmds] &Dn [cmds] Example: AT &D1 Description: Configures the behavior of the Data Terminal Ready signal. Command Function &D0 DTR forced high. &D1 Modem will enter command mode on low DTR. &D2 Modem will disconnect on low DTR. &D3 Modem will disconnect and reset on low DTR. &D4 DTR dialing enabled. &D5 On high DTR, modem will answer an incoming call, or enable DTR dialing if no call is detected. Modem will disconnect on low DTR. &D6 On low DTR, modem will disconnect and will not dial or answer an incoming call until DTR is high again. ERROR CORRECTION IDENTIFICATION Type: Configuration Format: AT [cmds] *SLn [cmds] Example: AT *EC1 *SL1 Description: Selects what type of error correction the modem will identify itself with to remote modems. Command Function *SL0 Modem will identify itself as MNP5 modem. *SL1 Modem will identify itself as Motorola Codex modem. ERROR CORRECTION MODE Type: Configuration Format: AT [cmds] *ECn [cmds] Example: AT *EC0 *DC1 *AP0 Description: Selects active error correction protocols. Command Function *EC0 MNP and LAPM enabled. *EC1 LAPM only enabled. *EC2 MNP only enabled. EXTERNAL INITIALIZATION Type: Configuration Format: AT [cmds] *OPn [cmds] Example: AT *OC1 *OP14 Description: Selects the profiles for the external initialization function. Command Function *OP0 External initialization disabled. *OP1 Select profile 2 on low signal, and profile 1 on high signal. *OP2 Select profile 3 on low signal, and profile 1 on high signal. *OP3 Select profile 4 on low signal, and profile 1 on high signal. *OP4 Select profile 1 on low signal, and profile 2 on high signal. *OP5 Select profile 3 on low signal, and profile 2 on high signal. *OP6 Select profile 4 on low signal, and profile 2 on high signal. *OP7 Select profile 1 on low signal, and profile 3 on high signal. *OP8 Select profile 2 on low signal, and profile 3 on high signal. *OP9 Select profile 4 on low signal, and profile 3 on high signal. *OP10 Select profile 1 on low signal, and profile 4 on high signal. *OP11 Select profile 2 on low signal, and profile 4 on high signal. *OP12 Select profile 3 on low signal, and profile 4 on high signal. EXTERNAL INITIALIZATION PIN SELECT Type: Configuration Format: AT [cmds] *OCn [cmds] Example: AT *OC1 *OP14 Description: Selects which pin will control the external initialization function. Command Function *OC0 External initialization controlled by pin 14. *OC1 External initialization controlled by pin 20. FLOW CONTROL Type: Configuration Format: AT [cmds] *MFn [cmds] Example: AT *MF1 *DF1 *FL5 Description: Selects flow control. Command Function *MF0 Flow control disabled. *MF1 Flow control enabled. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] *FLn [cmds] Example: AT *MF1 *DF1 *FL5 Description: Sets type of flow control used by modem. Command Function *FL0 Flow control disabled. *FL1 XON/XOFF flow control enabled. *FL2 CTS/DTR flow control enabled. *FL3 CTS/RTS flow control enabled. *FL4 XON/XOFF pass-through flow control enabled. *FL5 Synchronous transmit clock signal flow control enabled. HANDSHAKE OPTIONS Type: Configuration Format: AT [cmds] *FCn [cmds] Example: AT *FC0 Description: Disables various parts of the handshake sequence. Command Function *FC0 Normal handshake sequence. *FC1 Billing delay removed and auto-baud tone shortened by 1 second. *FC2 *FC1 plus training time is shortened by 2 seconds in V.32 and V.32bis modes. *FC3 *FC2 plus negotiation of error correction and compression is removed. INACTIVITY TIMER Type: Configuration Format: AT [cmds] *SIn [cmds] Example: AT *SI5 S30=40 Description: Sets the length of time that the modem does not receive information before it disconnects. Command Function *SI0 Inactivity timer disabled. *SI1 Modem will disconnect after 3 minutes of inactivity. *SI2 Modem will disconnect after 10 minutes of inactivity. *SI3 Modem will disconnect after 20 minutes of inactivity. *SI4 Modem will disconnect after 30 minutes of inactivity. *SI5 Modem will disconnect according to register S30. LEASED LINE BACKUP - HOLD BACKUP CONNECTION Type: Configuration Format: AT [cmds] *HDn [cmds] Example: AT *HD2 Description: Configures modem to hold switched line connection while testing the leased line. Command Function *HD0 Do not hold connection. *HD1 Hold connection for 1 minute. *HD2 Hold connection for 2 minutes. *HD3 Hold connection for 3 minutes. *HD4 Hold connection for 4 minutes. *HD5 Hold connection for 5 minutes. LEASED LINE BACKUP - RESTORAL OPTIONS Type: Configuration Format: AT [cmds] *REn [cmds] Example: AT *RE0 D555-1212 Description: Selects what will initiate the restoral of a leased line connection. Command Function *RE0 Restoral disabled. *RE1 Modem will restore connection only when the Talk/Data button is pressed. *RE2 Modem will restore connection when DTR signal goes high. *RE3 Modem will restore connection when ITU-T circuit 116 goes high. *RE4 Modem will restore connection automatically. *RE5 Modem will enable command set when DTR signal goes high. *RE6 Modem will enable command set when ITU-T circuit 116 goes high. LEASED LINE BACKUP RETURN TIME Type: Configuration Format: AT [cmds] *LEn [cmds] Example: AT*LE1 Description: Sets the amount of time until the modem will reconnect to the leased line connection. Command Function *LE0 Modem will reconnect when the Talk/Data button is pressed. *LE1 Modem will reconnect after 15 minutes. *LE2 Modem will reconnect after 30 minutes. *LE3 Modem will reconnect after 1 hour. *LE4 Modem will reconnect after 2 hours. *LE5 Modem will reconnect after 4 hours. LEASED LINE BACKUP THRESHHOLD Type: Configuration Format: AT [cmds] *DIn [cmds] Example: AT *DI1 O Description: Sets the number of retrains at which the modem will initiate a leased-line backup procedure. Command Function *DI0 Backup initiated after 3 retrains in 5 minutes at high-speed connection, or 6 retrains in 5 minutes for low-speed connection. *DI1 Backup initiated after 6 retrains in 10 minutes at high-speed connection, or 12 retrains in 10 minutes for low-speed connection. *DI2 Backup initiated after 5 retrains in 5 minutes at high-speed connection, or 10 retrains in 5 minutes for low-speed connection. *DI3 Backup initiated after 10 retrains in 10 minutes at high-speed connection, or 20 retrains in 10 minutes for low-speed connection. LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Example: AT &L2 H1 DT555-1212 Description: Selects line type. Command Function &L0 Switched line. &L1 2-wire leased line. &L2 4-wire leased line. LINK STORED NUMBERS Type: Configuration Format: AT [cmds] *LNm,n [cmds] Example: AT *LN1,2 Description: Links two stored phone numbers in sequence so that if one fails, the next one will be dialed. If the second number is omitted, the link from the first number will be cleared. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] *DEn [cmds] Example: AT *DE16 *OS0 *SC1 Description: Sets serial port speed. Command Function *DE2 Sets 300bps speed. *DE3 Sets 600bps speed. *DE4 Sets 1200bps speed. *DE5 Sets 2400bps speed. *DE6 Sets 4800bps speed. *DE7 Sets 7200bps speed. *DE8 Sets 9600bps speed. *DE9 Sets 12Kbps speed. *DE10 Sets 14.4Kbps speed. *DE11 Sets 16.8Kbps speed. *DE12 Sets 19.2Kbps speed. *DE13 Sets 21.6Kbps speed. *DE14 Sets 24Kbps speed. *DE15 Sets 38.4Kbps speed. *DE16 Sets 57.6Kbps speed. *DE17 Sets 64Kbps speed. *DE18 Sets 72Kbps speed. *DE19 Sets 76.8Kbps speed. *DE20 Sets 96Kbps speed. *DE21 Sets 115.2Kbps speed. *DE22 Sets speed automatically. *DE23 Sets 48Kbps speed. *DE24 Sets 56Kbps speed. *DE25 Sets 26.4Kbps speed. *DE26 Sets 28.8Kbps speed. *DE28 Sets 128Kbps speed. LOCAL SERIAL PORT SPEED ADJUST Type: Configuration Format: AT [cmds] *OSn [cmds] Example: AT *DE16 *OS0 *SC 1 Description: Sets the maximum amount to adjust the local serial port speed by. Command Function *OS0 Adjust local serial port speed by no more than -1%. *OS1 Adjust local serial port speed by no more than -2.5%. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] *SCn [cmds] Example: AT *DE16 *OS0 *SC1 Description: Sets operation of serial port speed. Command Function *SC0 Serial speed follows connect speed. *SC1 Serial speed locked. LOOPBACK TEST ON PIN 18 Type: Configuration Format: AT [cmds] *LAn [cmds] Example: AT*LA0 Description: Controls whether the modem will perform a local analog loopback test when pin 18 goes high. Command Function *LA0 Pin 18 has no function. *LA1 Pin 18 going high causes the modem to perform local analog loopback test. LOOPBACK TEST ON PIN 21 Type: Configuration Format: AT [cmds] *LDn [cmds] Example: AT*LD0 Description: Controls whether the modem will perform a remote digital loopback test when pin 21 goes high. Command Function *LD0 Pin 21 has no function. *LD1 Pin 21 going high causes the modem to perform remote digital loopback test. NETWORK OPTIMIZATION Type: Configuration Format: AT [cmds] *NCn [cmds] Example: AT *NC0 Description: Selects options to make the modem operate more efficiently when using the network control option. Command Function *NC0 Normal operation. *NC1 Level 1 optimization; limits serial port rate to 21.6Kbps. *NC2 Level 2 optimization; limits serial port rate to 19.2Kbps. NRZI INTERFACE Type: Configuration Format: AT [cmds] *DFn [cmds] Example: AT *MF1 *DF1 *FL5 Description: Configures DTE non return to zero interface. Command Function *DF0 NRZ command and connect modes. *DF1 NRZI command and connect modes. PARITY Type: Configuration Format: AT [cmds] *RPn [cmds] Example: AT *RP0 *SM1 Description: Sets the parity of the modem. Command Function *RP0 Parity determined by V.25bis settings. *RP1 Even parity. *RP2 Odd parity. *RP3 MARK parity. *RP4 SPACE parity. PROTOCOL Type: Configuration Format: AT [cmds] *LSn [cmds] Example: AT *LS1 Description: Selects the protocol for low-speed data calls. Command Function *LS0 Bell protocols. *LS1 ITU-T protocols. PROTOCOL/SPEED Type: Configuration Format: AT [cmds] *MMn [cmds] Example: AT *MN6 *MX14 *MM11 Description: Selects the current protocol. Command Function *MM0 Selects V.32bis and below. *MM1 Selects V.32 and below. *MM2 Selects V.32bis and V.32. *MM3 Selects V.32 only. *MM4 Selects V.22bis only. *MM5 Selects Bell 212 only. *MM6 Selects Bell 103 only. *MM7 Selects V.21 only. *MM10 Selects all protocols. *MM11 Selects V.34 only. *MM12 Selects non-TCM V.32 only. RECEIVE LEVEL COMPENSATION Type: Configuration Format: AT [cmds] *LCn [cmds] Example: AT*LC1 Description: Allows the modem to compensate for lossy line conditions. Command Function *LC0 Compensation disabled. *LC1 Compensation enabled. REDIAL Type: Configuration Format: AT [cmds] *DRn [cmds] Example: AT *DR20 DT1 (303) 443-3388 Description: Sets the number of times the modem will attempt to redial a number. A value of 0 will disable redial. REDIAL LAST NUMBER Type: Immediate Format: AT [cmds] *RDn Example: AT *RD20 Description: Redials last number dialed the number of times specified. REMOTE CONFIGURATION Type: Configuration Format: AT [cmds] *RCn [cmds] Example: AT *RC0 D555-1212 Description: Initiates and ends remote configuration sessions. Command Function *RC0 Quits the current remote configuration session and saves changes. *RC1 Quits the current remote configuration session without saving. *RC2 Attempts to initiate a remote configuration session. REMOTE CONFIGURATION PERMISSION Type: Configuration Format: AT [cmds] *RAn [cmds] Example: AT *RA0 D555-1212 Description: Selects whether remote modems may configure the local modem. Command Function *RA0 Remote configuration requests will be denied. *RA1 Remote configuration requests will be allowed. REMOTE RTS/CD SIGNALING Type: Configuration Format: AT [cmds] *SRn [cmds] Example: AT &C3 *RS1 *SR1 Description: Selects what type of remote RTS/CD signaling the modem will use. Command Function *SR0 Modem will use Motorola Codex signaling. *SR1 Modem will use ITU-T V.13 signaling. RETRAIN SENSITIVITY Type: Configuration Format: AT [cmds] *RTn [cmds] Example: AT &C3 *RT1 Description: Sets how poor line conditions must be before the modem will initiate a retrain. Command Function *RT0 Modem will not initiate retrain. *RT1 Modem will initiate retrain when the Bit Error Rate exceeds 10-4 for eight seconds, or for one second in V.22bis mode. *RT2 Modem will initiate retrain when the Bit Error Rate exceeds 10-3 for eight seconds, or for one second in V.22bis mode. REPORT INFORMATION Type: Immediate Format: AT [cmds] &In [cmds] Example: AT &I1 &W Description: Displays modem properties. Command Function &I0 Reports modem firmware revision. &I1 Reports factory product code. &I2 Reports modem country code. &I3 Reports product code. &I4 Reports network address. &I5 Reports serial number. REPORT INFORMATION AND CONFIGURATION PROFILE Type: Immediate Format: AT [cmds] &Vn [cmds] Example: AT &V0 Description: Reports active configuration profile and other information. Command Function &V0 Report active configuration profile, connection status, and internal modem information. &V1 Report active configuration profile. RESULT CODE - DTE/DCE Type: Configuration Format: AT [cmds] *CMn [cmds] Example: AT X4 *CM0 Description: Selects whether modem will display DTE or DCE speed in the result code. Command Function *CM0 Modem will display DTE speed. *CM1 Modem will display DCE speed. RESULT CODE - RELIABLE MODE Type: Immediate Format: AT [cmds] *XCn [cmds] Example: AT *XC0 Description: Configures result codes for reliable mode. Command Function *XC0 Reliable mode result codes disabled. *XC1 Short reliable mode result codes. *XC2 Long reliable mode result codes. RTS SIGNAL Type: Configuration Format: AT [cmds] *RSn [cmds] Example: AT &C3 *RS1 *SR1 Description: Configures the behavior of the Ready to Send signal. Command Function *RS0 RTS normal. *RS1 RTS forced high. *RS2 RTS follows remote CD signal. SDC MODE WAIT FOR FRAME Type: Immediate Format: AT [cmds] *TDn [cmds] Example: AT *TD0 Description: Selects whether the modem will wait for the end of a frame it is receiving before transmitting. Command Function *TD0 Modem will wait for end of frame. *TD1 Modem will begin transmission before the end of a frame by using the clock signal. *TD2 Modem will begin transmission before the end of a frame by using a calculated time delay. SETUP PASSWORD Type: Configuration Format: AT [cmds] *PWxxxx/yyyy [cmds] Example: AT *PWMicroHouse/FuBaR *PE0 *PF Description: Changes the modem’s password. xxxx represents the old password, and yyyy represents the new. SETUP PASSWORD ENABLE Type: Configuration Format: AT [cmds] *PEn [cmds] Example: AT *PWMicroHouse/FuBaR *PE0 *PF Description: Enables the password function to lock the modem’s settings. Command Function *PE0 Setup password function disabled. *PE1 Setup password function enabled. SETUP PASSWORD LOCK Type: Configuration Format: AT [cmds] *PF [cmds] Example: AT *PWMicroHouse/FuBaR *PE0 *PF Description: Locks the modem’s settings. SETUP PASSWORD UNLOCK Type: Configuration Format: AT [cmds] *PNxxxx [cmds] Example: AT *PNFuBaR Description: Unocks the modem’s settings. STORE PHONE NUMBER IN NVRAM Type: Configuration Format: AT [cmds] *CNn,<#> Example: AT*CN3,555-1212 *ND Description: Stores a phone number in the modem’s memory. TEST/BUSY OUT ON PIN 25 Type: Configuration Format: AT [cmds] *LTn [cmds] Example: AT *LT0 Description: Configures pin 25 for testing or busy out. Command Function *LT0 Enable busy out when pin 25 is high. *LT1 Self test is in progress when pin 25 is high. TOUCH-TONE LENGTH Type: Immediate Format: AT [cmds] *TLn [cmds] Example: AT *TL0 Description: Determines how long the modem will dial a touch-tone digit. Command Function *TL0 Modem will dial each digit for 72ms. *TL1 Modem will dial according to register S11. V.32 NEGOTIATION MODE Type: Configuration Format: AT [cmds] *AYn [cmds] Example: AT *AY0 H1 DT555-1212 Description: Selects how the modem negotiates V.32 modulation during handshaking. Command Function *AY0 If V.32 tone is not detected during answer-back tone, modem will negotiate down to V.22bis. *AY1 Modem will continue attempting to negotiate V.32 after answer-back tone.