| View Source | |
| # MEGAHERTZ CORPORATION | |
| C524FM/Z324FM/Z524FM | |
| Modem Type Data | |
| (synchronous/asynchronous)/Fax/Voice | |
| Maximum Data Rate 2400bps | |
| Maximum Fax Rate 9600bps | |
| Data Bus Internal | |
| Fax Class Class I & II | |
| Data Modulation Bell 103A/212A | |
| Protocol | |
| ITU-T V.21, V.22, V.22bis | |
| Fax Modulation ITU-T V.21CH2, V.27ter, V.29 | |
| Protocol | |
| Error MNP5, V.42, V.42bis | |
| Correction/Compression | |
| V1287 | |
| Proprietary AT Command Set | |
| +------------------------------------------------------------+ | |
| | ACCEPT RELIABLE MODE | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \U [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \U B1<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Accepts remote modem’s request for reliable | | |
| | | link. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | AUTO-RELIABLE FALLBACK CHARACTER | | |
| |------------------------------------------------------------| | |
| | Type: | Register | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] %An [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT %A20 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Default: | Unidentified | | |
| |--------------+---------------------------------------------| | |
| | 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<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Controls the handling of incoming data | | |
| | | during auto-reliable time period. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | » \C0 | Data is discarded. | | |
| |--------------+---------------------------------------------| | |
| | \C1 | Data is buffered. | | |
| |--------------+---------------------------------------------| | |
| | \C2 | Data is discarded, modem returns to normal | | |
| | | mode on receiving auto-reliable fallback | | |
| | | character. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | AUTO-RETRAIN | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT %En | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT %E1 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Selects auto-retrain mode. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | %E0 | Auto-retrain enabled. | | |
| |--------------+---------------------------------------------| | |
| | %E1 | Auto-retrain disabled. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | BIT-MAPPED REGISTER S14 | | |
| |------------------------------------------------------------| | |
| | Format | AT [cmds] S14=n [cmds] | | |
| |---------------+--------------------------------------------| | |
| | Example: | AT S14=170 <CR> | | |
| |---------------+--------------------------------------------| | |
| | Default: | 170 | | |
| |---------------+--------------------------------------------| | |
| | Range: | 0 - 190 | | |
| |---------------+--------------------------------------------| | |
| | Unit: | Bit-mapped | | |
| |---------------+--------------------------------------------| | |
| | Description: | Controls command echo, result codes, | | |
| | | dialing mode, and answer/originate mode. | | |
| |------------------------------------------------------------| | |
| | Bit | Value | Function | | |
| |---------+---------+----------------------------------------| | |
| | 0 | 0 | Not used. | | |
| |---------+---------+----------------------------------------| | |
| | 1 | 0 | Command echo off. | | |
| | | | | | |
| | | 1 | Command echo on. | | |
| |---------+---------+----------------------------------------| | |
| | 2 | 0 | Result codes enabled. | | |
| | | | | | |
| | | 1 | Result codes disabled. | | |
| |---------+---------+----------------------------------------| | |
| | 3 | 0 | Numeric result codes. | | |
| | | | | | |
| | | 1 | Verbose result codes. | | |
| |---------+---------+----------------------------------------| | |
| | 4 | 1 | Not used. | | |
| |---------+---------+----------------------------------------| | |
| | 5 | 0 | Tone dialing selected. | | |
| | | | | | |
| | | 1 | Pulse dialing selected. | | |
| |---------+---------+----------------------------------------| | |
| | 6 | 0 | Not used. | | |
| |---------+---------+----------------------------------------| | |
| | 7 | 0 | Answer mode selected. | | |
| | | | | | |
| | | 1 | Originate mode selected. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | BREAK SEND | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Bn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \B3 &W<CR> | | |
| |--------------+---------------------------------------------| | |
| | Range: | 1-9 | | |
| |--------------+---------------------------------------------| | |
| | Unit: | .1 second | | |
| |--------------+---------------------------------------------| | |
| | Description: | Sends break to modem. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | BREAK TYPE | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Kn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \K1 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Configures action of break signal. | | |
| |------------------------------------------------------------| | |
| | Command | Break from | Modem | Break | | |
| | | DTE | receives \B | received | | |
| | | | | from remote | | |
| | | | | modem | | |
| |---------------+---------------+--------------+-------------| | |
| | \K0 | Online | Break sent | Buffers | | |
| | | command mode | to remote | cleared, | | |
| | | enabled, send | modem and | break sent | | |
| | | no break to | buffered | to DTE. | | |
| | | remote modem. | cleared. | | | |
| |---------------+---------------+--------------+-------------| | |
| | \K1 | Break sent to | Break sent | Buffers | | |
| | | remote modem | to remote | cleared, | | |
| | | and buffered | modem and | break sent | | |
| | | cleared. | buffered | to DTE. | | |
| | | | cleared. | | | |
| |---------------+---------------+--------------+-------------| | |
| | \K2 | Online | Send break | Break sent | | |
| | | command mode | to remote | immediately | | |
| | | enabled, send | modem | to DTE. | | |
| | | no break to | immediately. | | | |
| | | remote modem. | | | | |
| |---------------+---------------+--------------+-------------| | |
| | \K3 | Send break to | Send break | Break sent | | |
| | | remote modem | to remote | immediately | | |
| | | immediately. | modem | to DTE. | | |
| | | | immediately. | | | |
| |---------------+---------------+--------------+-------------| | |
| | \K4 | Online | Send break | Break sent | | |
| | | command mode | with | with | | |
| | | enabled, send | transmitted | received | | |
| | | no break to | data. | data to the | | |
| | | remote modem. | | DTE. | | |
| |---------------+---------------+--------------+-------------| | |
| | \K5 | Send break | Send break | Break sent | | |
| | | with | with | with | | |
| | | transmitted | transmitted | received | | |
| | | data. | data. | data to the | | |
| | | | | DTE. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | COMPRESSION | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] %Cn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT *EC0 %C1 *AP0<CR> | | |
| |--------------+---------------------------------------------| | |
| | 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<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Sets connect mode. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | \N1 | Normal mode. | | |
| |--------------+---------------------------------------------| | |
| | \N0 | Direct mode. | | |
| |--------------+---------------------------------------------| | |
| | \N2 | Reliable mode. | | |
| |--------------+---------------------------------------------| | |
| | \N3 | Auto-reliable mode. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | CONVERT TO RELIABLE MODE | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Y [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \Y <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Initiates reliable mode link. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | DIAL STORED PHONE NUMBER | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] Dn | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT M0 D3 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Dials a stored phone number. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | DISPLAY CURRENT COMMAND STATUS | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \S [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT &Z2=9W1-303-555-1212 \S<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Displays current setting of modem commands. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | DISPLAY STORED NUMBERS | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \F? [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \P2=9W1-303-555-1212 \F?<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Displays all stored phone numbers. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | ECHO DATA | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \En [cmds] | | |
| |--------------+---------------------------------------------| | |
| | \Example: | AT \E0 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Enables modem to echo received data. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | \E0 | Data echo disabled. | | |
| |--------------+---------------------------------------------| | |
| | \E1 | Data echo enabled. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | EXTENDED RESULT CODES | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Vn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \V1 %C1<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Selects MNP result codes. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | \V0 | MNP result codes disabled. | | |
| |--------------+---------------------------------------------| | |
| | \V1 | MNP result codes enabled. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | FLOW CONTROL | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Gn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT G1 &K3<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Selects modem port flow control. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | \G0 | Flow control disabled. | | |
| |--------------+---------------------------------------------| | |
| | \G1 | Flow control enabled. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | FLOW CONTROL TYPE | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Qn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \Q5 <CR> | | |
| |--------------+---------------------------------------------| | |
| | 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. | | |
| |--------------+---------------------------------------------| | |
| | \Q4 | XON/XOFF flow control by DCE enabled. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | INACTIVITY TIMER | | |
| |------------------------------------------------------------| | |
| | Type: | Register | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Tn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \T5 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Default: | 0 | | |
| |--------------+---------------------------------------------| | |
| | Range: | 0-255 | | |
| |--------------+---------------------------------------------| | |
| | Unit: | 1 second | | |
| |--------------+---------------------------------------------| | |
| | 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 <CR> | | |
| |--------------+---------------------------------------------| | |
| | 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 <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Sets the maximum transmittable block size. | | |
| |--------------+---------------------------------------------| | |
| | Command | Function | | |
| |--------------+---------------------------------------------| | |
| | \A0 | Maximum MNP block size is 64 characters. | | |
| |--------------+---------------------------------------------| | |
| | \A1 | Maximum MNP block size is 128 characters. | | |
| |--------------+---------------------------------------------| | |
| | \A2 | Maximum MNP block size is 192 characters. | | |
| |--------------+---------------------------------------------| | |
| | \A3 | Maximum MNP block size is 256 characters. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | MODEM STATUS | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \S [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \S &W<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Display modem status. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | ON-LINE IN RELIABLE MODE | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \On | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \O <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Returns to on-line and requests reliable | | |
| | | mode connection. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | REDIAL | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] DL | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT M1 DL <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Redials the last number dialed. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | REPORT PRODUCT VERSION | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] %V [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT I3 &V1 %V <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Reports product version. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | RETURN TO RELIABLE MODE | | |
| |------------------------------------------------------------| | |
| | Type: | Immediate | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Z [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \Z <CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Ends reliable mode link, initiate return to | | |
| | | normal mode. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | STORE PHONE NUMBER IN NVRAM | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Pn=<#> | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \P2=9W1-303-555-1212 \F?<CR> | | |
| |--------------+---------------------------------------------| | |
| | Description: | Stores a phone number in the modem’s | | |
| | | memory. | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | XON/XOFF PASS-THROUGH | | |
| |------------------------------------------------------------| | |
| | Type: | Configuration | | |
| |--------------+---------------------------------------------| | |
| | Format: | AT [cmds] \Xn [cmds] | | |
| |--------------+---------------------------------------------| | |
| | Example: | AT \X0 O <CR> | | |
| |--------------+---------------------------------------------| | |
| | 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. | |