3COM CORPORATION ================ COURIER V.32 Card Type Modem (synchronous/asynchronous) Chip Set Unidentified Maximum Data Rate 9600bps Data Bus External Data Modulation Protocol Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32 Error Correction/Compression MNP5 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Power switch | SW1 | Line out | CN3 | |------------------------------+---------+------------+------| | DC power | CN1 | RS-232/422 | CN4 | |------------------------------+---------+------------+------| | Line in | CN2 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |----------------------------------------+--------+----------| | i DTR forced high | SW2/1 | On | |----------------------------------------+--------+----------| | DTR normal | SW2/1 | Off | |----------------------------------------+--------+----------| | i Verbose result codes | SW2/2 | Off | |----------------------------------------+--------+----------| | Numeric result codes | SW2/2 | On | |----------------------------------------+--------+----------| | i Result code display enabled | SW2/3 | On | |----------------------------------------+--------+----------| | Result code display disabled | SW2/3 | Off | |----------------------------------------+--------+----------| | i Local echo enabled | SW2/4 | Off | |----------------------------------------+--------+----------| | Local echo disabled | SW2/4 | On | |----------------------------------------+--------+----------| | i Auto answer disabled | SW2/5 | On | |----------------------------------------+--------+----------| | Auto answer enabled | SW2/5 | Off | |----------------------------------------+--------+----------| | i CD signal normal | SW2/6 | Off | |----------------------------------------+--------+----------| | CD forced high | SW2/6 | On | |----------------------------------------+--------+----------| | i Result codes displayed during | SW2/7 | Off | | originate and answer modes | | | |----------------------------------------+--------+----------| | Result codes not displayed during | SW2/7 | On | | answer mode when SW1/3 is On | | | |----------------------------------------+--------+----------| | i Smart mode | SW2/8 | On | |----------------------------------------+--------+----------| | Dumb mode | SW2/8 | Off | |----------------------------------------+--------+----------| | i Modem goes on-hook, command mode | SW2/9 | On | | enabled, 'OK' reported | | | |----------------------------------------+--------+----------| | Modem remains off-hook, command mode | SW2/9 | Off | | enabled, 'NO CARRIER' reported | | | |----------------------------------------+--------+----------| | i Load configuration from NVRAM | SW2/10 | Off | |----------------------------------------+--------+----------| | Load configuration from ROM | SW2/10 | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTE/DCE MODE SELECTION | |------------------------------------------------------------| | Setting | SW3/1 | SW3/2 | SW3/3 | SW3/4 | |------------+-----------+-----------+-----------+-----------| | DCE mode | Off | Off | Off | Off | |------------+-----------+-----------+-----------+-----------| | DTE mode | On | On | On | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-----+-------+----------+-----------------------------------| | HS | Red | On | Modem is operating at 2400bps or | | | | | faster | |-----+-------+----------+-----------------------------------| | HS | Red | Off | Modem is operating at slower than | | | | | 2400bps | |-----+-------+----------+-----------------------------------| | AA | Red | On | Auto-answer enabled | |-----+-------+----------+-----------------------------------| | AA | Red | Off | Auto-answer disabled | |-----+-------+----------+-----------------------------------| | CD | Red | On | Carrier signal detected or when | | | | | SW2/6 is on | |-----+-------+----------+-----------------------------------| | CD | Red | Off | Carrier signal not detected | |-----+-------+----------+-----------------------------------| | OH | Red | On | Modem is off-hook | |-----+-------+----------+-----------------------------------| | OH | Red | Off | Modem is on-hook | |-----+-------+----------+-----------------------------------| | RD | Red | Blinking | Modem is receiving data | |-----+-------+----------+-----------------------------------| | RD | Red | Off | Modem is not receiving data | |-----+-------+----------+-----------------------------------| | SD | Red | Blinking | Modem is transmitting data | |-----+-------+----------+-----------------------------------| | SD | Red | Off | Modem is not transmitting data | |-----+-------+----------+-----------------------------------| | MR | Red | On | Power is on | |-----+-------+----------+-----------------------------------| | MR | Red | Off | Power is off | |-----+-------+----------+-----------------------------------| | MR | Red | Blinking | During test mode, retraining, | | | | | including online fallback | |-----+-------+----------+-----------------------------------| | RS | Red | On | RTS signal is high | |-----+-------+----------+-----------------------------------| | RS | Red | Off | RTS signal is low | |-----+-------+----------+-----------------------------------| | CS | Red | On | CTS signal is high and during | | | | | synchronous mode | |-----+-------+----------+-----------------------------------| | CS | Red | Off | CTS signal is low, synchronous | | | | | mode disabled | |-----+-------+----------+-----------------------------------| | ARQ | Red | On | Error correction enabled | |-----+-------+----------+-----------------------------------| | ARQ | Red | Off | Error correction disabled | |-----+-------+----------+-----------------------------------| | ARQ | Red | Blinking | Error correction activated | |-----+-------+----------+-----------------------------------| | SYN | Red | On | AT&M3 is set or AT&M1 and | | | | | synchronous mode is set | |-----+-------+----------+-----------------------------------| | SYN | Red | Off | Modem not in synchronous mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, E, F, H, M, O, P, Q, S, T, V, X | |------------------------------------------------------------| | &F, &G, &J, &P, &W, &X, &Z | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S26 | |------------------------------------------------------------| | Note: See MHI Help file for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | ABORT | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | | |--------------+---------------------------------------------| | Description: | Aborts current command issued; dial, repeat | | | mode (>), and repeat command (A>) | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S13 | |------------------------------------------------------------| | Format | AT [cmds] S13=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls DTR reset, DTR dialing, reset | | | dialing, and MNP3. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | DTR normal | | | | | | | 1 | Reset on low DTR | |------+-------+---------------------------------------------| | 1 | i 0 | Normal auto answer operation | | | | | | | 1 | When ring is received, enter originate and | | | | listen for answer tone | |------+-------+---------------------------------------------| | 2 | i 0 | Pause 250msec. Before displaying result | | | | codes | | | 1 | | | | | Immediate result code display | |------+-------+---------------------------------------------| | 3 | i 0 | DTR dialing disabled | | | | | | | 1 | DTR dialing enabled | |------+-------+---------------------------------------------| | 4 | i 0 | Reset dialing disabled | | | | | | | 1 | Reset dialing enabled | |------+-------+---------------------------------------------| | 5 | i 0 | Not used | |------+-------+---------------------------------------------| | 6 | i 0 | MNP 3 enabled | | | | | | | 1 | MNP 3 disabled | |------+-------+---------------------------------------------| | 7 | i 0 | Hardware reset disabled | | | | | | | 1 | Hardware reset enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S15 | |------------------------------------------------------------| | Format: | AT [cmds] S15=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls HST high frequency equalization, | | | online fallback, back channel, | | | non-error-correcting mode buffer, MNP4, and | | | BS/DEL switch, MNP compliance, and | | | Interbridge network compatibility. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | HST high frequency equalization enabled | | | | | | | 1 | HST high frequency equalization disabled | |------+-------+---------------------------------------------| | 1 | i 0 | Online fallback enabled | | | | | | | 1 | Online fallback disabled | |------+-------+---------------------------------------------| | 2 | i 0 | 450bps back channel enabled | | | | | | | 1 | 450bps back channel disabled | |------+-------+---------------------------------------------| | 3 | i 0 | Non-error-correcting mode transmit buffer | | | | set to 1.5KB | | | 1 | | | | | Non-error-correcting mode transmit buffer | | | | set to 128 bytes | |------+-------+---------------------------------------------| | 4 | i 0 | MNP 4 enabled | | | | | | | 1 | MNP 4 disabled | |------+-------+---------------------------------------------| | 5 | i 0 | Use backspace key for delete disabled | | | | | | | 1 | Use backspace key for delete enabled (May | | | | cause software incompatibility) | |------+-------+---------------------------------------------| | 6 | i 0 | MNP normal | | | | | | | 1 | MNP adjusted for non compliant modems | |------+-------+---------------------------------------------| | 7 | i 0 | Interbridge network compatibility disabled | | | | | | | 1 | Interbridge network compatibility enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 10 ms | |--------------+---------------------------------------------| | Description: | Sets the length of error control mode | | | breaks sent from DCE to DTE | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Yn [cmds] | |--------------+---------------------------------------------| | Description: | Configures action of break signal | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &Y0 | Break empties buffer | |--------------+---------------------------------------------| | i &Y1 | Break empties buffer and is sent | | | immediately | |--------------+---------------------------------------------| | &Y2 | Break does not empty buffer and is sent | | | immediately | |--------------+---------------------------------------------| | &Y3 | Send break with transmitted data | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Controls data compression | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | &K0 | Data compression disabled | |---------------+--------------------------------------------| | i &K1 | Auto enable/disabled data compression | |---------------+--------------------------------------------| | &K2 | Data compression enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION SPEED | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Nn [cmds] | |--------------+---------------------------------------------| | Description: | Sets required connection speed | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &N0 | Variable | |--------------+---------------------------------------------| | &N1 | 300bps | |--------------+---------------------------------------------| | &N2 | 1200bps | |--------------+---------------------------------------------| | &N3 | 2400bps | |--------------+---------------------------------------------| | &N4 | 4800bps | |--------------+---------------------------------------------| | &N5 | 7200bps | |--------------+---------------------------------------------| | &N6 | 9600bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | |--------------+---------------------------------------------| | &S1 | DSR high only while modem is connected | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Example: | ATDT 443-3388,,,1111; | |--------------+---------------------------------------------| | 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 | |--------------+---------------------------------------------| | i P | Pulse dialing enabled | |--------------+---------------------------------------------| | T | Tone dialing enabled | |--------------+---------------------------------------------| | , | Dialing paused for 2 seconds | |--------------+---------------------------------------------| | ; | Modem returned to command state after | | | dialing. Can only be placed at the end of | | | the dial command. | |--------------+---------------------------------------------| | ! | Flash function initiated | |--------------+---------------------------------------------| | / | Pause for 125ms then proceed with dial | | | string | |--------------+---------------------------------------------| | @ | Dial, wait for quiet answer, then continue | | | to execute the rest of the dial string | |--------------+---------------------------------------------| | W | Dial, wait for second dial tone, then | | | continue to execute the rest of the dial | | | string | |--------------+---------------------------------------------| | R | Answer mode enabled, originate mode | | | disabled following handshake initiation | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL - STORED NUMBER | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] DSn [cmds] | |--------------+---------------------------------------------| | Description: | Dial stored number from memory location n | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISCONNECT BUFFER DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S38=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Sets maximum duration allowed during | | | buffered data calls for modem to perform | | | clearing functions after losing | | | carrier-signal or receiving a clear call | | | signal from the remote modem and before | | | initiating hang-up process. A value of 0 | | | will allow the modem to hanging-up after | | | DTR drops. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S24=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-25 | |--------------+---------------------------------------------| | Unit: | .01 second | |--------------+---------------------------------------------| | Description: | Sets the delay between DSR pulses, when &S1 | | | is set | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CORRECTION MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Description: | Selects active error correction protocols | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &M0 | Normal mode only | |--------------+---------------------------------------------| | &M3 | Continuos synchronous mode | |--------------+---------------------------------------------| | i &M4 | Auto-detect mode | |--------------+---------------------------------------------| | &M5 | ARQ mode only | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | Description: | Selects extended result codes | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &A0 | /ARQ result codes disabled | |--------------+---------------------------------------------| | i &A1 | /ARQ result codes enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 11-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XOFF | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 11-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Hn [cmds] | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &H0 | Flow control disabled | |--------------+---------------------------------------------| | &H1 | CTS/RTS flow control enabled | |--------------+---------------------------------------------| | &H2 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &H3 | CTS/RTS and XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Rn [cmds] | |--------------+---------------------------------------------| | Description: | Controls receive data hardware flow control | | | and RTS signals | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &R0 | Delay RTS signal before sending CTS signal | |--------------+---------------------------------------------| | i &R1 | Modem ignores RTS | |--------------+---------------------------------------------| | &R2 | Received data to DTE when RTS is on | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &In [cmds] | |--------------+---------------------------------------------| | Description: | Allows modem to act on and then transmit | | | XON/XOFF characters | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &I0 | Software flow control disabled | |--------------+---------------------------------------------| | &I1 | XON/XOFF pass-through enabled | |--------------+---------------------------------------------| | &I2 | XON/XOFF pass-through disabled | |--------------+---------------------------------------------| | &I3 | Host mode enabled, Hewlett Packard protocol | |--------------+---------------------------------------------| | &I4 | Terminal mode enabled, Hewlett Packard | | | protocol | |--------------+---------------------------------------------| | &I5 | XON/XOFF to remote for non-ARQ link flow | | | control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP SCREENS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT $ | |--------------+---------------------------------------------| | Description: | Shows command help screens for all commands | | | beginning with the given prefix, or no | | | prefix if none is given. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | $ | Shows command summary help screen | |--------------+---------------------------------------------| | &$ | Shows extended command summary help screen | |--------------+---------------------------------------------| | D$ | Shows dial command summary help screen | |--------------+---------------------------------------------| | S$ | Shows S-register summary help screen | |--------------+---------------------------------------------| | -S | Stop/restart display of help screen | |--------------+---------------------------------------------| | -C | Cancel display of help screen | |--------------+---------------------------------------------| | -K | Cancel display of help screen | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LEASED LINE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls lease line operation | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | i &L0 | lease line operation disabled | |----------------+-------------------------------------------| | &L1 | lease line operation enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &B0 | Serial speed follows connect speed | |--------------+---------------------------------------------| | &B1 | Serial speed locked | |--------------+---------------------------------------------| | &B2 | Serial speed locked in ARQ mode only | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODULATION SELECTION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the modulation for 300bps | | | transmission | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S27=0 | Bell103 only | |---------------+--------------------------------------------| | S27=1 | ITU-T V.21, all calls answered in either | | | Bell103 or V.21, originate calls in V.21 | +------------------------------------------------------------+ +------------------------------------------------------------+ | PAUSE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] / [cmds] | |--------------+---------------------------------------------| | Description: | Command string execution is paused for | | | 125ms | |--------------+---------------------------------------------| | Note: | Multiple slashed can be used consecutively | | | to add up to the duration of delay desired. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPEAT COMMAND CONTINUALLY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] > [cmds] | |--------------+---------------------------------------------| | Description: | Causes modem to repeat command continually | | | until is pressed | |--------------+---------------------------------------------| | Note: | If used in the dial string, 10 attempts | | | will be made. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPEAT COMMAND STRING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] A> [cmds] | |--------------+---------------------------------------------| | Description: | Causes modem to repeat continually last | | | issued command until is pressed | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays modem properties | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum result | |--------------+---------------------------------------------| | I2 | Reports RAM checksum result | |--------------+---------------------------------------------| | I3 | Reports current call time or clock time | |--------------+---------------------------------------------| | I4 | Reports current command settings | |--------------+---------------------------------------------| | I5 | Reports current NVRAM settings | |--------------+---------------------------------------------| | I6 | Reports current connection's statistics | |--------------+---------------------------------------------| | I7 | Reports product configuration | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem test modes | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S16=0 | Test mode disabled | |--------------+---------------------------------------------| | S16=1 | Analog loopback test enabled | |--------------+---------------------------------------------| | S16=2 | Dial test enabled | |--------------+---------------------------------------------| | S16=4 | Test pattern enabled | |--------------+---------------------------------------------| | S16=5 | Analog loopback test with test pattern | | | enabled | |--------------+---------------------------------------------| | S16=8 | Remote digital loopback enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | TIME DISPLAY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Kn [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current call time or clock | | | time | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i K0 | Display length of last call | |--------------+---------------------------------------------| | K1 | Display actual time | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMITTER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Cn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the transmitter | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | C0 | Transmitter disabled, receive only mode | |----------------+-------------------------------------------| | i C1 | Transmitter enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 - HANDSHAKE TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Default: | 8 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sets length of V.32 handshake | +------------------------------------------------------------+