U.S. ROBOTICS, INC.
SPORTSTER 56K FAXMODEM (INTERNAL)
Card Type | Modem (asynchronous) |
Chipset | U.S. Robotics, Inc. |
Maximum Data Rate | 56Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 U.S. Robotics x2 |
Fax Modulation | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |
Fax Class | Class I & II |
Data Bus | 8-bit ISA |
Card Size | Full height, one-third length |
CONNECTIONS | |||
Function | Label | Function | Label |
Telephone line out | CN1 | Telephone line in | CN2 |
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
í Plug-N-Play disabled | JP1/C | Closed |
Plug-N-Play enabled | JP1/C | Open |
SERIAL PORT ADDRESS SELECTION | ||
Setting | JP1/A | JP1/B |
3F8h (COM1:) | Closed | Closed |
í 2E8h (COM2:) | Open | Closed |
3F8h (COM3:) | Closed | Open |
2E8h (COM4:) | Open | Open |
Plug-N-Play | Open | Open |
INTERRUPT SELECTION | |||||
Setting | JP2/A | JP2/B | JP2/C | JP2/D | JP2/E |
2 | Closed | Open | Open | Open | Open |
í 3 | Open | Closed | Open | Open | Open |
4 | Open | Open | Closed | Open | Open |
5 | Open | Open | Open | Closed | Open |
7 | Open | Open | Open | Open | Closed |
Plug-N-Play | Open | Open | Open | Open | Open |
SUPPORTED STANDARD COMMANDS |
Basic AT Commands |
+++, ‘comma’, A/ |
A, B, D, E, F, H, L, M, O, P, T, V, X, Z |
&C, &D, &F, &G, &P, &R, &S, &T, &W |
S-Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38 |
Note: See MHI help file for complete information. |
Proprietary AT Command Set
BIT-MAPPED REGISTER S13 | ||
Format | AT [cmds] S13=n [cmds] | |
Default: | 0 | |
Range: | 0 - 223 | |
Description: | Controls DTR reset, DTR dialing, reset dialing, and MNP3. | |
Bit | Value | Function |
0 | í 01 | DTR normal. Reset on low DTR. |
1 | í 01 | Non-error-correcting mode transmit buffer set to 1.5KB. Non-error-correcting mode transmit buffer set to 128 bytes. |
2 | í 01 | Backspace and delete keys normal. Backspace and delete keys reversed. |
3 | í 01 | DTR dialing disabled. DTR dialing enabled. |
4 | í 01 | Reset dialing disabled. Reset dialing enabled. |
5 | 0 | Not used. |
6 | í 01 | MNP 3 enabled. MNP 3 disabled. |
7 | í 01 | Modem enters command state when +++ is received. Modem disconnects and enters command state when +++ is received. |
BIT-MAPPED REGISTER S15 | |||||
Format: | AT [cmds] S15=n [cmds] | ||||
Default: | 0 | ||||
Range: | 0 - 511 | ||||
Description: | Controls error correction and compression in selected protocols, MNP modes, and V.42 operation. | ||||
Bit | Value | Function | |||
0 | í 01 | Error correction/compression enabled in V.22 mode. Error correction/compression disabled in V.22 mode. | |||
1 | í 01 | Error correction/compression enabled in V.22bis mode. Error correction/compression disabled in V.22bis mode. | |||
2 | í 01 | Error correction/compression enabled in V.32 and V.32bis modes. Error correction/compression disabled in V.32 and V.32bis modes. | |||
3 | í 01 | MNP handshake enabled. MNP handshake disabled. | |||
4 | í 01 | MNP4 disabled. MNP4 enabled. | |||
5 | í 01 | MNP3 disabled. MNP3 enabled. | |||
6 | í 01 | MNP operation normal MNP configured for non-compatible modems. | |||
7 | í 01 | V.42 enabled. V.42 disabled. | |||
8 | í 01 | V.42 detection phase enabled. V.42 detection phase disabled. |
BIT-MAPPED REGISTER S27 | ||
Format: | AT [cmds] S27=n [cmds] | |
Default: | 0 | |
Range: | 0 - 255 | |
Description: | Controls V.21, V.32 encoding and modulation, V.32bis modulation, V.42 answer tone and selective reject, and 9600 result codes. | |
Bit | Value | Function |
0 | í 01 | V.21 disabled. V.21 enabled. |
1 | í 01 | V.32 trellis coding enabled. V.32 trellis coding disabled. |
2 | í 01 | V.32 modulation enabled. V.32 modulation disabled. |
3 | í 01 | 2100Hz answer tone enabled. 2100Hz answer tone disabled. |
4 | í 01 | Fallback to V.23 disabled. Fallback to V.23 enabled. |
5 | í 01 | V.32bis modulation enabled. V.32bis modulation disabled. |
6 | í 01 | V.42 selective reject enabled. V.42 selective reject disabled. |
7 | í 01 | Actual result codes displayed. Force 9600 result codes. |
BIT-MAPPED REGISTER S32 | |||||
Format: | AT [cmds] S32=n [cmds] | ||||
Default: | 2 | ||||
Range: | 0 - 59 | ||||
Description: | Controls V.8 protocol and options, and V.34 and x2 modulation protocols. | ||||
Bit | Value | Function | |||
0 | í 01 | V.8 Call Indicate disabled. V.8 Call Indicate enabled. | |||
1 | 0 í 1 | V.8 disabled. V.8 enabled. | |||
2 | 0 | Not used. | |||
3 | í 01 | V.34 modulation enabled. V.34 modulation disabled. | |||
4 | í 01 | V.34 modulation at 31.2Kbps and 33.6Kbps enabled. V.34 modulation at 31.2Kbps and 33.6Kbps disabled. | |||
5 | í 01 | U.S. Robotics x2 modulation enabled. U.S. Robotics x2 modulation disabled. |
BREAK LENGTH | |
Type: | Register |
Format: | AT [cmds] S21=n [cmds] |
Default: | 10 |
Range: | 0 - 255 |
Unit: | 10 ms |
Description: | Sets the length of error correction 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. |
í &Y1 | Break empties buffer and is sent immediately. |
&Y2 | Break does not empty buffer and is sent immediately. |
COMPRESSION MODE | |
Type: | Configuration |
Format: | AT [cmds] &Kn [cmds] |
Description: | Selects the type of data compression that will be used. |
Command | Function |
&K0 | Data compression disabled. |
í &K1 | Auto-detect compression mode. |
&K2 | Data compression enabled. |
&K3 | MNP5 data compression only enabled. |
CONNECTION SPEED LOWER LIMIT | |
Type: | Configuration |
Format: | AT [cmds] &Un [cmds] |
Description: | Sets slowest allowed connection speed if &N is set to 1 or higher. |
Command | Function |
&U0 | No minimum connect speed. |
&U1 | Set minimum connect speed to 300bps. |
&U2 | Set minimum connect speed to 1200bps. |
&U3 | Set minimum connect speed to 2400bps. |
&U4 | Set minimum connect speed to 4800bps. |
&U5 | Set minimum connect speed to 7200bps. |
&U6 | Set minimum connect speed to 9600bps. |
&U7 | Set minimum connect speed to 12Kbps. |
&U8 | Set minimum connect speed to 14.4Kbps. |
&U9 | Set minimum connect speed to 16.8Kbps. |
&U10 | Set minimum connect speed to 19.2Kbps. |
&U11 | Set minimum connect speed to 21.6Kbps. |
CONNECTION SPEED LOWER LIMIT (CON'T) | |
Command | Function |
&U12 | Set minimum connect speed to 24Kbps. |
&U13 | Set minimum connect speed to 26.4Kbps. |
&U14 | Set minimum connect speed to 28.8Kbps. |
&U15 | Set minimum connect speed to 31.2Kbps. |
&U16 | Set minimum connect speed to 33.6Kbps. |
&U17 | Set minimum connect speed to 33.3Kbps. |
&U18 | Set minimum connect speed to 37.3Kbps. |
&U19 | Set minimum connect speed to 41.3Kbps. |
&U20 | Set minimum connect speed to 42.6Kbps. |
&U21 | Set minimum connect speed to 44Kbps. |
&U22 | Set minimum connect speed to 45.3Kbps. |
&U23 | Set minimum connect speed to 46.6Kbps. |
&U24 | Set minimum connect speed to 48Kbps. |
&U25 | Set minimum connect speed to 49.3Kbps. |
&U26 | Set minimum connect speed to 50.6Kbps. |
&U27 | Set minimum connect speed to 52Kbps. |
&U28 | Set minimum connect speed to 53.3Kbps. |
&U29 | Set minimum connect speed to 54.6Kbps. |
&U30 | Set minimum connect speed to 56Kbps. |
&U31 | Set minimum connect speed to 57.3Kbps. |
CONNECTION SPEED UPPER LIMIT | |
Type: | Configuration |
Format: | AT [cmds] &Nn [cmds] |
Description: | Sets required connection speed if &U is set to 0; otherwise, sets fastest allowed connection speed. |
Command | Function |
&N0 | No maximum connect speed. |
&N1 | Set maximum connect speed to 300bps. |
&N2 | Set maximum connect speed to 1200bps. |
&N3 | Set maximum connect speed to 2400bps. |
&N4 | Set maximum connect speed to 4800bps. |
&N5 | Set maximum connect speed to 7200bps. |
&N6 | Set maximum connect speed to 9600bps. |
&N7 | Set maximum connect speed to 12Kbps. |
&N8 | Set maximum connect speed to 14.4Kbps. |
&N9 | Set maximum connect speed to 16.8Kbps. |
&N10 | Set maximum connect speed to 19.2Kbps. |
&N11 | Set maximum connect speed to 21.6Kbps. |
&N12 | Set maximum connect speed to 24Kbps. |
&N13 | Set maximum connect speed to 26.4Kbps. |
&N14 | Set maximum connect speed to 28.8Kbps. |
&N15 | Set maximum connect speed to 31.2Kbps. |
CONNECTION SPEED UPPER LIMIT (CON'T) | |
Command | Function |
&N16 | Set maximum connect speed to 33.6Kbps. |
&N17 | Set maximum connect speed to 33.3Kbps. |
&N18 | Set maximum connect speed to 37.3Kbps. |
&N19 | Set maximum connect speed to 41.3Kbps. |
&N20 | Set maximum connect speed to 42.6Kbps. |
&N21 | Set maximum connect speed to 44Kbps. |
&N22 | Set maximum connect speed to 45.3Kbps. |
&N23 | Set maximum connect speed to 46.6Kbps. |
&N24 | Set maximum connect speed to 48Kbps. |
&N25 | Set maximum connect speed to 49.3Kbps. |
&N26 | Set maximum connect speed to 50.6Kbps. |
&N27 | Set maximum connect speed to 52Kbps. |
&N28 | Set maximum connect speed to 53.3Kbps. |
&N29 | Set maximum connect speed to 54.6Kbps. |
&N30 | Set maximum connect speed to 56Kbps. |
&N31 | Set maximum connect speed to 57.3Kbps. |
DISPLAY HELP SCREEN - AMPERSAND | |
Type: | Configuration |
Format: | AT [cmds] &$ [cmds] |
Description: | Displays the help screen on the AT& commands. |
DISPLAY HELP SCREEN - BASIC | |
Type: | Configuration |
Format: | AT [cmds] $ [cmds] |
Description: | Displays the basic help screen. |
DISPLAY HELP SCREEN - DIAL | |
Type: | Configuration |
Format: | AT [cmds] D$ [cmds] |
Description: | Displays the help screen on the dialing commands. |
DISPLAY HELP SCREEN - REGISTERS | |
Type: | Configuration |
Format: | AT [cmds] S$ [cmds] |
Description: | Displays the help screen for S registers. |
DISPLAY INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays modem properties. |
Command | Function |
I0 | Displays product identification code. |
I1 | Tests and displays ROM checksum result. |
I2 | Tests and displays RAM checksum result. |
I4 | Displays current command settings. |
I5 | Displays current NVRAM settings. |
I6 | Displays current connection’s statistics. |
I7 | Displays product configuration. |
DISTINCTIVE RING | |
Type: | Register |
Format: | AT [cmds] S41=n [cmds] |
Description: | Selects whether the modem will use the Distinctive Ring function. |
Command | Function |
í S41=0 | Distinctive ring abled. |
S41=1 | Distinctive ring enabled. |
ERROR CORRECTION MODE | |
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects active error correction protocols. |
Command | Function |
&M0 | Normal mode only. |
í &M4 | Auto-detect mode. |
&M5 | Error correction mode only. |
EXTENDED RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] &An [cmds] |
Description: | Selects extended result codes. |
Command | Function |
&A0 | Extended result codes disabled. |
&A1 | Error correction result codes enabled. |
&A2 | V.32 result code enabled. |
í &A3 | Error correction and compression result codes enabled. |
FLOW CONTROL CHARACTER - XOFF | |
Type: | Register |
Format: | AT [cmds] S23=n [cmds] |
Default: | 19 |
Range: | 0 - 127 |
Unit: | 1 ASCII character |
Description: | Sets the character used to represent XOFF. |
FLOW CONTROL CHARACTER - XON | |
Type: | Register |
Format: | AT [cmds] S22=n [cmds] |
Default: | 17 |
Range: | 0 - 127 |
Unit: | 1 ASCII character |
Description: | Sets the character used to represent XON. |
FLOW CONTROL - MODEM-TO-MODEM | |
Type: | Configuration |
Format: | AT [cmds] &In [cmds] |
Description: | Selects the type of modem-to-modem flow control used. |
Command | Function |
í &I0 | Software flow control disabled. |
&I1 | XON/XOFF pass-through enabled. |
&I2 | XON/XOFF pass-through disabled. |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] &Hn [cmds] |
Description: | Sets type of flow control used by modem. |
Command | Function |
&H0 | Flow control disabled. |
í &H1 | CTS/RTS flow control enabled. |
&H2 | XON/XOFF flow control enabled. |
&H3 | CTS/RTS and XON/XOFF flow control enabled. |
INACTIVITY TIMER | |
Type: | Register |
Format | AT [cmds] S19=n [cmds] |
Default: | 0 |
Range: | 0 - 255 |
Unit: | 1 minute |
Description: | Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
LOCK SERIAL PORT | |
Type: | Configuration |
Format: | AT [cmds] &Bn [cmds] |
Description: | Sets operation of serial port speed. |
Command | Function |
&B0 | Serial speed follows connect speed. |
&B1 | Serial speed locked. |
í &B2 | Serial speed locked in error correction mode only. |
RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] Qn [cmds] |
Description: | Enables modem to send result codes to the DTE. |
Command | Function |
í Q0 | Result codes enabled. |
Q1 | Result codes disabled. |
Q2 | Result codes enabled in originate mode only. |
TONE DIALING TEST | |
Type: | Register |
Format: | AT [cmds] S16=n [cmds] |
Description: | Begins a tone dialing test. |
Command | Function |
í S16=0 | Tone dialing test disabled. |
S16=2 | Tone dialing test enabled. |
V.21 ANSWER MODE FALLBACK TIMER | |
Type: | Register |
Format: | AT [cmds] S29=n [cmds] |
Default: | 20 |
Range: | Unidentified |
Unit: | .1 second |
Description: | The function of this register is unidentified. |
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. A value of 255 means that the modem will only accept connections with V.32 at 9600bps. |
V.34 MAPPING | ||
Type: | Register | |
Format: | AT [cmds] S34=n [cmds] | |
Default: | 0 | |
Range: | 0 - 15 | |
Description: | Controls V.34 mapping, non-linear coding, transmit level deviation, pre-emphasis, and pre-coding. | |
Bit | Value | Function |
0 | í 01 | 8S-2D map enabled. 8S-2D map disabled. |
1 | í 01 | 16S-4D map enabled. 16S-4D map disabled. |
2 | í 01 | 32S-2D map enabled. 32S-2D map disabled. |
3 | í 01 | 64S-4D map enabled. 64S-4D map disabled. |
4 | í 01 | Non-linear coding enabled. Non-linear coding disabled. |
5 | í 01 | Transmit level deviation enabled. Transmit level deviation disabled. |
6 | í 01 | Pre-emphasis enabled. Pre-emphasis disabled. |
7 | í 01 | Pre-coding enabled. Pre-coding disabled. |
V.34 OPTIONS | ||
Type: | Register | |
Format: | AT [cmds] S33=n [cmds] | |
Default: | 0 | |
Range: | 0 - 255 | |
Description: | Controls V.34 baud rate and shaping. | |
Bit | Value | Function |
0 | í 01 | 2400 baud rate enabled. 2400 baud rate disabled. |
1 | í 01 | 2743 baud rate enabled. 2743 baud rate disabled. |
2 | í 01 | 2800 baud rate enabled. 2800 baud rate disabled. |
3 | í 01 | 3000 baud rate enabled. 3000 baud rate disabled. |
4 | í 01 | 3200 baud rate enabled. 3200 baud rate disabled. |
5 | í 01 | 3429 baud rate enabled. 3429 baud rate disabled. |
6 | 0 | Not used. |
7 | í 01 | Shaping enabled. Shaping disabled. |