ZOOM TELEPHONICS, INC. ====================== 14400BPS FAXMODEM (INTERNAL) Card Type Fax, Modem (asynchronous) Chip Set Unidentified Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus 8-bit ISA Fax Class Class I & II Data Modulation Bell 103/212A Protocol ITU-T V.21, V.22A/B, V.22bis, V.23, V.32, V.32bis Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Line in | CN1 | Line out | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS/INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | IRQ | JP1 | JP2 | |-------------+-----+--------------------+-------------------| | COM1 (3F8h) | 4 | Pins 3 & 5, 4 & 6 | Pins 1 & 3 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | COM2 (2F8h) | 3 | Pins 2 & 4, 3 & 5 | Pins 2 & 4 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | COM3 (3E8h) | 4 | Pins 1 & 3, 4 & 6 | Pins 1 & 3 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | i COM4 | 3 | Pins 1 & 3, 2 & 4 | Pins 2 & 4 closed | | (2E8h) | | closed | | |-------------+-----+--------------------+-------------------| | COM5 (3E8h) | 2 | Pins 1 & 3, 4 & 6 | Pins 4 & 6 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | COM6 (2E8h) | 2 | Pins 1 & 3, 2 & 4 | Pins 4 & 6 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | COM7 (3E8h) | 5 | Pins 1 & 3, 4 & 6 | Pins 3 & 5 closed | | | | closed | | |-------------+-----+--------------------+-------------------| | COM8 (2E8h) | 5 | Pins 1 & 3, 2 & 4 | Pins 3 & 5 closed | | | | closed | | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain mode and | | | fallback/fall-forward | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i %E0 | Auto-retrain disabled | |--------------+---------------------------------------------| | %E1 | Auto-retrain enabled | |--------------+---------------------------------------------| | %E2 | Auto-fallback/fall-forward enabled | |--------------+---------------------------------------------| | %E3 | Auto-fallback/fall-forward with fast | | | hang-up enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTERS | |------------------------------------------------------------| | Register | Default | |----------------------------+-------------------------------| | S14 | Unidentified | |----------------------------+-------------------------------| | S16 | Unidentified | |----------------------------+-------------------------------| | S21 | Unidentified | |----------------------------+-------------------------------| | S22 | Unidentified | |----------------------------+-------------------------------| | S23 | Unidentified | |----------------------------+-------------------------------| | S27 | Unidentified | |----------------------------+-------------------------------| | S28 | Unidentified | |----------------------------+-------------------------------| | S31 | Unidentified | |----------------------------+-------------------------------| | S40 | Unidentified | |----------------------------+-------------------------------| | S41 | Unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 1-9 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sends break to modem | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Description: | Configures action of break signal | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Description: | Dials telephone number according to any | | | modifiers included in the string | |--------------+---------------------------------------------| | Note: | Any combination of modifiers can be used to | | | produce the desired dial functions in | | | sequence. | |--------------+---------------------------------------------| | Modifier | Function | |--------------+---------------------------------------------| | L | Re-dial last number | |--------------+---------------------------------------------| | P | Pulse dialing enabled | |--------------+---------------------------------------------| | R | Command accepted, not acted upon. | |--------------+---------------------------------------------| | S=n | Dial stored telephone number n (n=0-3) | |--------------+---------------------------------------------| | T | Tone dialing enabled | |--------------+---------------------------------------------| | W | Dialing resumed following dial tone | | | detection | |--------------+---------------------------------------------| | , | Dialing paused for amount of time specified | | | in S8 register | |--------------+---------------------------------------------| | @ | Wait for 5 seconds of silence | |--------------+---------------------------------------------| | ; | Modem returned to command state after | | | dialing | |--------------+---------------------------------------------| | ! | Modem commanded to go off-hook for | | | specified time before returning on-hook. | |--------------+---------------------------------------------| | ^ | Calling tone enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled | |--------------+---------------------------------------------| | %C1 | MNP5 enabled | |--------------+---------------------------------------------| | %C2 | V.42bis enabled | |--------------+---------------------------------------------| | i %C3 | MNP5 and V.42bis enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the type of connection the modem | | | will operate in | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Normal mode enabled | |--------------+---------------------------------------------| | \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | Reliable mode enabled | |--------------+---------------------------------------------| | i \N3 | Auto-reliable mode enabled | |--------------+---------------------------------------------| | \N4 | V.42 reliable mode enabled | |--------------+---------------------------------------------| | \N5 | MNP reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH DIAL MODIFIER TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S29=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .01 second | |--------------+---------------------------------------------| | Description: | Time the modem will go on-hook upon | | | receiving the ! dial modifier in dial | | | string. S29=0 will disable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem port flow control | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \G0 | Flow control disabled | |--------------+---------------------------------------------| | \G1 | Flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Read-only Register | |--------------+---------------------------------------------| | Format | AT [cmds] S39? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current flow control | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Flow control disabled | |--------------+---------------------------------------------| | i 3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | 4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | 5 | Transparent XON flow control enabled | |--------------+---------------------------------------------| | 6 | Transparent XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S33=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XOFF | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S32=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S30=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 10 seconds | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. S30=0 will disable timer. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL LEVEL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %L [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value which indicates the | | | received line signal level (-dBm) | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL QUALITY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %Q [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value which indicates line signal | | | quality | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum transmittable block size | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \A0 | MNP block size is 64 characters | |--------------+---------------------------------------------| | i \A1 | MNP block size is 128 characters | |--------------+---------------------------------------------| | \A2 | MNP block size is 192 characters | |--------------+---------------------------------------------| | \A3 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP - STREAM/BLOCK MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Ln [cmds] | |--------------+---------------------------------------------| | Description: | Selects the transfer mode for MNP link | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \L0 | Stream mode for MNP enabled | |--------------+---------------------------------------------| | \L1 | Block mode for MNP enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports 3-digit product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum | |--------------+---------------------------------------------| | I3 | Reports firmware revision code | |--------------+---------------------------------------------| | I4 | Reports faxmodem identifier string | |--------------+---------------------------------------------| | I5 | Reports country code | |--------------+---------------------------------------------| | I6 | Reports data pump model and revision code | +------------------------------------------------------------+ +------------------------------------------------------------+ | SLEEP TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S24=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating low-power sleep | | | mode. | +------------------------------------------------------------+