MOTOROLA, INC. POWER 28.8 DATA/FAX MODEM Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus External Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 DC power CN4 Line in CN2 Power switch SW1 RS-232/422 CN3 FACTORY RESET Mode SW2 Normal operation On NVRAM clear Off DIAGNOSTIC LED(S) LED Color Status Condition MR Red On Power is on MR Red Off Power is off MR Red Blinking Modem is performing self-test TR Red On DTR signal is high TR Red Off DTR signal is low CD Red On Carrier signal detected CD Red Off Carrier signal not detected CD Red Blinking Modem is being configured remotely RD Red On Modem is receiving data RD Red Off Modem is not receiving data SD Red On Modem is transmitting data SD Red Off Modem is not transmitting data AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing OH Red On Modem is off-hook OH Red Off Modem is on-hook HS Red On Modem is operating at 16.8Kbps or faster HS Red Off Modem is operating between 4800bps and 14.4Kbps HS Red Blinking Modem is operating at 2400bps or slower Proprietary AT Command Set AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] %An [cmds] Example: AT%A20 Default: 0 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character. %A0 will disable this function. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT \C1 &W Description: Controls the handling of incoming data during auto-reliable time period. Command Function » \C0 Data is discarded. \C1 Data is buffered. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command Function \K1 Buffers cleared and break sent to remote modem. \K3 Send break to remote modem immediately. \K5 Send break with transmitted data. BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B50 O Default: 35 Range: 1-255 Unit: 20ms Description: Sends break to modem. CALLER ID Type: Configuration Format: AT [cmds] *IDn [cmds] Example: AT *ID1 Description: Controls the Caller ID function. Command Function » *ID0 Caller ID disabled. *ID1 Caller ID enabled. 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 disconnect. &C3 CD follows remote RTS signal. COMMAND SET Type: Configuration Format: AT [cmds] *NTn [cmds] Example: AT *NT0 Description: Disables the AT command set. Note: To re-enable the command set, power down the modem and then cycle power seven times. The modem must remain powered on each time at least one second but not more than five. Command Function *NT0 Command set disabled. » *NT1 Command set enabled. COMPRESSION Type: Configuration Format: AT %Cn Example: AT *EC0 %C1 *AP0 Description: Selects data compression. Command Function %C0 Data compression disabled. » %C1 Data compression enabled. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode enabled. \N1 Direct mode enabled. \N6 LAP-M mode with fallback to MNP enabled. » \N7 LAP-M mode with fallback to MNP and normal modes enabled. CONNECTION SPEED LOWER LIMIT Type: Configuration Format: AT [cmds] %Ln [cmds] Example: AT %L3 %B14 \J0 Description: Sets slowest allowed connection speed. Command Function » %L0 Disabled. %L2 Select 1200bps minimum speed. %L3 Select 2400bps minimum speed. %L4 Select 4800bps minimum speed. %L5 Select 9600bps uncoded minimum speed. %L6 Select 9600bps minimum speed. %L7 Select 7200bps minimum speed. %L8 Select 12Kbps minimum speed. %L9 Select 14.4Kbps minimum speed. %L10 Select 600bps minimum speed. %L11 Select 16.8Kbps minimum speed. %L12 Select 19.2Kbps minimum speed. %L13 Select 21.6Kbps minimum speed. %L14 Select 24Kbps minimum speed. %L15 Select 26.4Kbps minimum speed. %L16 Select 28.8Kbps minimum speed. CONNECTION SPEED UPPER LIMIT Type: Configuration Format: AT [cmds] %Bn [cmds] Example: AT %L3 %B14 \J0 Description: Sets fastest allowed connection speed. Command Function %B0 Follow serial port speed. %B1 Select 300bps maximum speed. %B2 Select 1200bps maximum speed. %B3 Select 2400bps maximum speed. %B4 Select 4800bps maximum speed. %B5 Select 9600bps uncoded maximum speed. %B6 Select 9600bps maximum speed. %B7 Select 7200bps maximum speed. %B8 Select 12Kbps maximum speed. » %B9 Select 14.4Kbps maximum speed. %B10 Select 600bps maximum speed. %B11 Select 16.8Kbps maximum speed. %B12 Select 19.2Kbps maximum speed. %B13 Select 21.6Kbps maximum speed. %B14 Select 24Kbps maximum speed. %B15 Select 26.4Kbps maximum speed. %B16 Select 28.8Kbps maximum speed. CTS SIGNAL Type: Configuration Format: AT [cmds] &Rn [cmds] Example: AT &R0 Description: Selects the function of the CTS signal. Command Function &R0 CTS normal. » &R1 CTS forced high. &R2 CTS follows CD. &R9 CTS follows RTS. DISCONNECT BUFFER DELAY Type: Configuration Format: AT [cmds] %Dn [cmds] Example: AT %D0 Default: 0 Range: 0-255 Unit: 1 minute Description: Configures how long the modem will wait to disconnect if there is data in the transmit or receive buffers. DISPLAY STORED NUMBERS Type: Immediate Format: AT [cmds] *ND [cmds] Example: AT*CN3,555-1212 *ND Description: Displays all stored phone numbers. DSR SIGNAL Type: Configuration Format: AT [cmds] &Sn [cmds] Example: AT &S0 Description: Selects the function of the DSR signal. Command Function » &S0 DSR forced high. &S1 DSR normal. &S2 DSR normal, except forced low on disconnect. &S3 DSR follows OH. 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. &D9 DTR dialing enabled. EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V1 %C1 Description: Selects extended result codes. Command Function \V0 Extended result codes disabled, DTE speed reported. \V1 Protocol result codes enabled, DTE speed reported. \V2 Extended result codes disabled, DCE speed reported. \V3 Protocol result codes enabled, DCE speed reported. » \V4 Protocol and modulation result codes enabled, DCE speed reported. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT G1 &M0 Description: Selects modem port flow control. Command Function » \G0 Flow control disabled. \G1 Flow control enabled. FLOW CONTROL CHARACTER - XOFF FROM TERMINAL Type: Register Format: AT [cmds] S45=n [cmds] Example: ATS45=22 Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character the terminal sends to represent XOFF. FLOW CONTROL CHARACTER - XON FROM TERMINAL Type: Register Format: AT [cmds] S44=n [cmds] Example: ATS44=20 Default: 17 Range: 0-127 Unit: ASCII Description: Sets the character the terminal sends to represent XON. FLOW CONTROL CHARACTER - XOFF TO TERMINAL Type: Register Format: AT [cmds] S50=n [cmds] Example: ATS50=23 Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character the modem sends to represent XOFF. FLOW CONTROL CHARACTER - XON TO TERMINAL Type: Register Format: AT [cmds] S49=n [cmds] Example: ATS49=21 Default: 17 Range: 0-127 Unit: ASCII Description: Sets the character the modem sends to represent XON. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] \Qn [cmds] Example: AT \Q5 Description: Sets type of flow control used by modem. Command Function \Q0 Flow control disabled. \Q1 Bidirectional XON/XOFF flow control enabled. \Q2 CTS flow control by DCE enabled. » \Q3 Bidirectional CTS/RTS flow control enabled. FORCE RETRAIN Type: Immediate Format: AT [cmds] *RRn [cmds] Example: AT *RR14 O Description: Forces the modem to attempt to retrain to the selected speed. Command Function *RR0 Attempt 2400bps speed. *RR1 Attempt 4800bps speed. *RR2 Attempt 7200bps speed. *RR3 Attempt 9600bps speed. *RR4 Attempt 12Kbps speed. *RR5 Attempt 14.4Kbps speed. *RR6 Attempt 16.8Kbps speed. *RR7 Attempt 19.2Kbps speed. *RR8 Attempt 21.6Kbps speed. *RR9 Attempt 24Kbps speed. *RR10 Attempt 26.4Kbps speed. *RR11 Attempt 28.8Kbps speed. HANG UP MODE Type: Configuration Format: AT [cmds] Hn [cmds] Example: AT H3 O Description: Selects how the modem will hang up. Command Function » H2 Set hang up mode to normal on next ATH command. H3 Set hang up mode to fast on next ATH command. HELP SCREENS Type: Immediate Format: AT $H=xxxx Example: AT $H=MNP Description: Shows modem help screens. If a string is included as shown in the example, the modem will perform a search for the string; otherwise, the whole help section will be displayed. INACTIVITY TIMER Type: Register Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: 0 Range: 0-255 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT %L3 %B14 \J0 Description: Sets operation of serial port speed. Command Function » \J0 Serial speed locked. \J1 Serial speed follows connect speed. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 %C1 Description: Sets the maximum transmittable block size. Command Function \A0 MNP block size is 64 characters. \A1 MNP block size is 128 characters. \A2 MNP block size is 192 characters. » \A3 MNP block size is 256 characters. PROTOCOL/SPEED Type: Configuration Format: AT [cmds] *MMn [cmds] Example: AT *MN6 *MX14 *MM11 Description: Selects the current protocol. Command Function *MM0 Selects all protocols. *MM1 Selects V.21 only. *MM2 Selects Bell 103 only. *MM3 Selects V.23 only. *MM4 Selects Bell 212 only. *MM5 Selects V.22bis only. *MM11 Selects V.32bis only. *MM12 Selects V.34 only. REDIAL DISABLE Type: Configuration Format: AT [cmds] *DNn [cmds] Example: AT *DN1 Description: Disables the ability to redial the last number with A/. Command Function » *DN0 A/ enabled. *DN1 A/ disabled. REMOTE CONFIGURATION END Type: Configuration Format: AT [cmds] *RQn [cmds] Example: AT *RQ0 D555-1212 Description: Ends an active remote configuration session. Command Function *RQ0 Quit and save changes. *RQ1 Quit and discard changes. REMOTE CONFIGURATION PARITY Type: Configuration Format: AT [cmds] *RFn [cmds] Example: AT *RB16 *RF5 Description: Sets remote computer’s parity in remote configuration mode. Command Function *RF0 Use 7 data bits, MARK parity, and one stop bit. *RF1 Use 7 data bits, no parity, and two stop bits. *RF2 Use 7 data bits, odd parity, and one stop bit. *RF3 Use 7 data bits, even parity, and one stop bit. *RF4 Use 8 data bits, MARK parity, and one stop bit. *RF5 Use 8 data bits, no parity, and one stop bit. *RF6 Use 8 data bits, odd parity, and one stop bit. *RF7 Use 8 data bits, even parity, and one stop bit. REMOTE CONFIGURATION PASSWORD Type: Configuration Format: AT [cmds] %P=nnnn [cmds] Example: AT %P=102475 D555-1212 Default: N/A Range: 0-99999999, D, Description: Sets the security code for remote configuration sessions. If nnnn is omitted, the code will be cleared; if a D is given, remote configuration is disabled. 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 CONFIGURATION SERIAL PORT SPEED Type: Configuration Format: AT [cmds] *RBn [cmds] Example: AT *RB16 *RF5 Description: Sets remote computer’s serial port speed in remote configuration mode. Command Function *RB0 Sets 300bps speed. *RB1 Sets 600bps speed. *RB2 Sets 1200bps speed. *RB3 Sets 2400bps speed. *RB4 Sets 4800bps speed. *RB5 Sets 7200bps speed. *RB6 Sets 9600bps speed. *RB7 Sets 12Kbps speed. *RB8 Sets 14.4Kbps speed. *RB9 Sets 16.8Kbps speed. *RB10 Sets 19.2Kbps speed. *RB11 Sets 21.6Kbps speed. *RB12 Sets 24Kbps speed. *RB13 Sets 26.4Kbps speed. *RB14 Sets 28.8Kbps speed. *RB15 Sets 38.4Kbps speed. *RB16 Sets 57.6Kbps speed. *RB17 Sets 115.2Kbps speed. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I3 &V1 %V Description: Displays modem properties. Command Function I0 Reports modem model and speed. I1 Reports checksum number. I3 Reports firmware version. I4 Reports feature code. I5 Reports reason for last disconnect. REPORT INFORMATION AND CONFIGURATION PROFILE Type: Immediate Format: AT [cmds] &Vn [cmds] Example: AT I3 &V1 %V Description: Reports configuration profiles and other information. Command Function &V0 Report configuration profiles. &V1 Report connection status and internal modem information. &V2 Report active configuration profile. REPORT PRODUCT VERSION Type: Immediate Format: AT [cmds] %V [cmds] Example: AT I3 &V1 %V Description: Reports product version. REPORT SERIAL NUMBER Type: Immediate Format: AT [cmds] $V [cmds] Example: AT I3 &V1 $V Description: Reports product serial number. RETRAIN SENSITIVITY Type: Configuration Format: AT [cmds] %Rn [cmds] Example: AT &C3 %R1 Description: Sets how poor line conditions must be before the modem will initiate a retrain. Command Function » %R0 Modem will not initiate retrain. %R1 Modem will initiate retrain when the Bit Error Rate exceeds 10-5 for eight seconds, or for one second in V.22bis mode. %R2 Modem will initiate retrain when the Bit Error Rate exceeds 10-4 for eight seconds, or for one second in V.22bis mode. %R3 Modem will initiate retrain when the Bit Error Rate exceeds 10-3 for eight seconds, or for one second in V.22bis mode. RI SIGNAL Type: Configuration Format: AT [cmds] \Rn [cmds] Example: AT \R0 Q0 Description: Controls the behavior of the Ring Indicator signal. Command Function \R0 RI signal high during rings, and forced high for duration of call. » \R1 RI signal high during rings only. SECURITY - CALLBACK DELAY Type: Register Format: AT [cmds] S74=n [cmds] Example: AT S74=30 Default: 15 Range: 0-255 Unit: 1 second Description: Configures how long the modem will wait to execute a callback sequence after the user has disconnected. SECURITY - CALLBACK NUMBER Type: Configuration Format: AT [cmds] $Cn=<#> [cmds] Example: AT $L0=3 $C0=1(303)443-3388 Description: Sets the callback number for user number n. SECURITY - CALLBACK RETRY Type: Register Format: AT [cmds] S75=n [cmds] Example: AT S75=5 Default: 0 Range: 0-255 Unit: 1 redial Description: Sets how many times the modem will attempt to execute a callback if the first call fails. SECURITY - CALLBACK RETRY DELAY Type: Register Format: AT [cmds] S76=n [cmds] Example: AT S76=60 Default: 15 Range: 0-255 Unit: 1 second Description: Configures how long the modem will wait to execute another callback sequence after one has failed. SECURITY CHECK Type: Immediate Format: AT [cmds] $D? [cmds] AT [cmds] $E? [cmds] Example: AT $DR $D? Description: Reports whether security is enabled. SECURITY DISABLE Type: Immediate Format: AT [cmds] $D=xxxx Example: AT $D=MicroHouse Description: Disables security. A password must be specified. SECURITY ENABLE Type: Immediate Format: AT [cmds] $EH=xxxx Example: AT $EH=SuperSecret Description: Enables security. The superuser password must be specified. SECURITY - DELETE USER Type: Configuration Format: AT [cmds] $Rn [cmds] Example: AT $R3 Description: Deletes the user number n. User IDs 0 and 1 cannot be deleted. SECURITY - FAILED LOGIN ATTEMPT COUNTERS Type: Configuration/Immediate Format: AT [cmds] $Mn [cmds] Example: AT $M $M* Description: Displays or clears the counters for failed login attempts. If a number is specified, the counter will be reset for that user. If an * follows, all counters will be cleared. If no character follows, the counters will be displayed. SECURITY - FAILED LOGIN ATTEMPT MAXIMUM Type: Register Format: AT [cmds] S77=n [cmds] Example: AT S77=3 Default: 0 Range: 0-255 Unit: 1 attempt Description: Sets the maximum number of failed logins the modem will accept until it disconnects. SECURITY LEVEL Type: Configuration Format: AT [cmds] $Lm=n [cmds] Example: AT $L0=3 $C0=1(303)443-3388 Description: Sets the security level for user number m. Command Function $Lm=1 Modem prompts for a user ID and password on connection. $Lm=2 Modem prompts for a user ID and password on connection, then modem begins callback sequence. $Lm=3 Modem prompts for a user ID and password on connection, then modem begins callback sequence. When modem reconnects, it prompts for a user ID and password again. SECURITY LOGIN Type: Immediate Format: AT [cmds] $n=xxxx [cmds] Example: AT $1=MicroHouse Description: Logs into modem, from the local machine or remotely. SECURITY LOGOUT Type: Immediate Format: AT [cmds] $$ [cmds] Example: AT $$ Description: Logs out from the modem. SECURITY PASSWORD Type: Configuration Format: AT [cmds] $Pn=xxxx$xxxx Example: AT $P0=SuperSecret$SuperSecret Description: Sets the password for user number n to xxxx. User number 0 is the superuser. The password must be between 4 and 34 characters inclusive. The $ character may not be used. SECURITY - PASSWORD TIME Type: Register Format: AT [cmds] S73=n [cmds] Example: AT S73=10 Default: Unidentified Range: 0-255 Unit: 1 second Description: Configures how long the modem will wait for a password when in secure mode. SECURITY - REPORT SUPERUSER STATUS Type: Immediate Format: AT [cmds] $Sn? [cmds] Example: AT $S3? Description: Reports whether user n has superuser status. SECURITY - REPORT USER SETTINGS Type: Immediate Format: AT [cmds] $In [cmds] Example: AT $I3 Description: Reports security level and callback number for user n. SECURITY RESET Type: Configuration Format: AT [cmds] $F=xxxx$xxxx Example: AT $F=SuperSecret$SuperSecret Description: Resets the high security options to their factory defaults. SECURITY - SUPERUSER MODE Type: Immediate Format: AT [cmds] $S=xxxx [cmds] Example: AT $S=SuperSecret Description: Attempts to enter superuser mode. STATUS REGISTER HEXADECIMAL Type: Configuration Format: Write: AT [cmds] Sn=^hh [cmds] Read: AT [cmds] Sn?^ [cmds] Example: AT S99=^3F S99?^ Description: Sets register n to hexadecimal number hh or displays register n in hexadecimal. SWITCHED LINE TRANSMISSION LEVEL Type: Configuration Format: AT [cmds] *TDn [cmds] Example: AT *TD15 Default: 9 Range: 9 - 30 Unit: -1 dBm Description: Sets the signal level for transmission when in switched line mode. TEST MODE - BIDIRECTIONAL DIGITAL LOOPBACK TEST Type: Configuration Format: AT [cmds] *DGn [cmds] Example: AT *DG1 Description: Controls the bidirectional local digital loopback test mode. Command Function » *DG0 End loopback test. *DG1 Begin loopback test. V.32 HANDSHAKE OPTIONS Type: Configuration Format: AT [cmds] *FTn [cmds] Example: AT *FT0 Description: Shortens V.32 and V.32bis handshake time. Command Function » *FT0 Normal handshake sequence. *FT1 Training time is shortened by 2 seconds in V.32 and V.32bis modes. V.34 RETRAIN SENSITIVITY Type: Configuration Format: AT [cmds] *THn [cmds] Example: AT *MM12 *TH1 Description: Sets how poor line conditions must be before the modem will initiate a retrain when in V.34 mode. Command Function *TH0 Modem will initiate retrain when the Bit Error Rate exceeds 10-6. *TH1 Modem will initiate retrain when the Bit Error Rate exceeds 10-4. » *TH2 Modem will initiate retrain when the Bit Error Rate exceeds 10-2. V.34 SPLIT BAUD MODE Type: Configuration Format: AT [cmds] *ASn [cmds] Example: AT *AS1 Description: Controls V.34 split baud mode. Command Function *AS0 V.34 split baud mode disabled. » *AS1 V.34 split baud mode enabled. V.42 NEGOTIATION MODE Type: Configuration Format: AT [cmds] \Mn [cmds] Example: AT \M0 H1 DT555-1212 Description: Selects how the modem negotiates V.42 modulation during handshaking. Command Function \M0 Normal handshaking enabled. \M1 Fast handshaking enabled. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X7 O Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function » \X0 XON/XOFF signals trapped by local modem. \X1 XON/XOFF passed through local modem.