3COM CORPORATION
SPORTSTER VOICE 28.8 FAXMODEM (INTERNAL)
|
Card Type |
Modem, Fax |
|
Chip Set |
Unidentified |
|
I/O Options |
Serial ports (2 RJ-11) |
|
Maximum Modem Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Modulation Protocol |
Bell 103A/212A V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
|
Fax Modulation Protocol |
Unidentified |
|
Error Correction/Compression |
MNP 2-4, MNP5, V.42, V.42bis |
|
Fax Class |
Class I & II |
|
Data Bus |
8-bit ISA |
|
Card Size |
Three-quarter length |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
RJ-11 connector |
CN1 |
RJ-11 connector |
CN2 | |||
|
SERIAL PORT ADDRESS | |
|
Setting |
JP1 |
|
COM1 (3F8h) |
Pins 1 & 2, 3 & 4, 5 & 6 closed |
|
í COM2 (2F8h) |
Pins 3 & 4, 5 & 6 closed |
|
COM3 (3E8h) |
Pins 1 & 2, 5 & 6 closed |
|
COM4 (2E8h) |
Pins 5 & 6 closed |
|
Plug & Play enabled |
Open |
|
IRQ INTERRUPT | |
|
IRQ |
JP2 |
|
IRQ2 |
Pins 1 & 2 closed |
|
í IRQ3 |
Pins 3 & 4 closed |
|
IRQ4 |
Pins 5 & 6 closed |
|
IRQ5 |
Pins 7 & 8 closed |
|
IRQ7 |
Pins 9 & 10 closed |
|
Plug & Play enabled |
Open |
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, ‘+++’, ‘comma’, A/ |
|
A, B E, F, H, M, O, P, S, T, V, X |
|
&C, &D, &G, &T, &W, &Z |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S18, S25, S38 |
|
Note: See MHI Help File for full command documentation. |
PROPRIETARY AT COMMAND SET
|
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. |
|
Command |
Function |
|
DL |
Re-dial last number |
|
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
|
DP |
Pulse dialing enabled |
|
DS=n |
Dial stored telephone number n |
|
D#, * |
Extended touch tone pads |
|
DT |
Tone dialing enabled/Pulse dialing disabled |
|
D/ |
Delays for 125ms before proceeding with dial string |
|
DW |
Dialing resumed following dial tone detection |
|
D, |
Dialing paused for amount of time specified in S8 register |
|
D! |
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. |
|
D@ |
Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
|
D$ |
Displays a list of dial commands |
|
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports modem model and speed |
|
I1 |
Reports ROM checksum |
|
I2 |
Tests and reports RAM checksum |
|
I3 |
Reports product type |
|
I4 |
Reports current modem settings |
|
I5 |
Reports nonvolatile memory (NVRAM) settings |
|
I6 |
Reports link diagnostics |
|
I7 |
Reports product confirmation |
|
I9 |
Reports Plug & Play information |
|
I11 |
Reports call statistics |
|
SPEAKER VOLUME | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Ln [cmds] |
|
Description: |
Controls speaker volume |
|
Command |
Function |
|
L0 |
Low volume setting |
|
L1 |
Low volume setting |
|
í L2 |
Medium volume setting |
|
L3 |
Highest volume setting |
|
RESULT CODES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Qn [cmds] |
|
Description: |
Enables modem to send result codes to the DTE |
|
Command |
Function |
|
í Q0 |
Result code sending enabled |
|
Q1 |
Result code sending disabled |
|
Q2 |
Result code sending only in Originate mode |
|
Q3 |
Result code sending only in Ring mode |
|
LONG SPACE DISCONNECT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Yn [cmds] |
|
Description: |
Commands the modem to disconnect after a 1.6 second break is detected |
|
Command |
Function |
|
í Y0 |
Default is profile 0 setting |
|
Y1 |
Default is profile 1 setting |
|
Y2 |
Generic template (&F0) |
|
Y3 |
Hardware flow control (&F1) |
|
Y4 |
Software flow control (&F2) |
|
SOFT RESET | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] Zn [cmds] |
|
Description: |
Restores modem profiles previously saved in non-volatile RAM using the &W command. |
|
Command |
Function |
|
Z0 |
Restore setting selected by Y command |
|
Z1 |
Restore setting 0 |
|
Z2 |
Restore setting 1 |
|
Z3 |
Restore to factory default profile 0 (&F0) |
|
Z4 |
Restore to factory default profile 1 (&F1) |
|
Z5 |
Restore to factory default profile 2 (&F2) |
|
AUTO-ANSWER - ORIGINATE/ANSWER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &An [cmds] |
|
Description: |
Selects originate or answer mode when in Auto-Answer mode |
|
Command |
Function |
|
&A0 |
ARQ result codes disabled |
|
&A1 |
ARQ result codes enabled |
|
&A2 |
V-modulation indicator added |
|
&A3 |
Protocol indicators added |
|
SERIAL PORT RATE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Bn [cmds] |
|
Description: |
Selects fixed or variable serial port rate |
|
Command |
Function |
|
&B0 |
Variable , follows connection rate |
|
í &B1 |
Fixed serial port rate |
|
&B2 |
Fixed in ARQ mode, variable in non-ARQ mode |
|
FACTORY DEFAULT PROFILE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &F [cmds] |
|
Description: |
Sets values in active profile to values found in the default profile |
|
Command |
Function |
|
&F0 |
Generic template |
|
&F1 |
Hardware flow control template |
|
&F2 |
Software flow control template |
|
TRANSMIT DATA FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &H [cmds] |
|
Description: |
Sets transmit data flow control |
|
Command |
Function |
|
&H0 |
Generic template |
|
í &H1 |
Hardware flow control template |
|
&H2 |
Software flow control template |
|
&H3 |
Hardware and software flow control templates |
|
RECEIVE DATA SOFWARE FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &I [cmds] |
|
Description: |
Sets transmit data flow control |
|
Command |
Function |
|
í &I0 |
Software flow control |
|
&I1 |
XON/XOFF signals to your modem and remote system |
|
&I2 |
XON/XOFF signals to your modem only |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Kn [cmds] |
|
Description: |
Enables flow control options |
|
Command |
Function |
|
&K0 |
Flow control disabled |
|
í &K1 |
Auto enable/disable |
|
&K2 |
XON/XOFF flow control enabled |
|
&K3 |
MNP5 compression disabled |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Mn [cmds] |
|
Description: |
Selects communications mode |
|
Command |
Mode |
|
&M0 |
Normal mode, error control disabled |
|
&M1 |
Reserved |
|
&M2 |
Reserved |
|
&M3 |
Reserved |
|
í &M4 |
Normal/ARQ |
|
&M5 |
ARQ mode |
|
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. |
|
&N16 |
Set maximum connect speed to 33.6Kbps. |
|
PULSE DIALING RATIO | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Pn [cmds] |
|
Description: |
Selects pulse dial make/break ratio |
|
Command |
Function |
|
í &P0 |
39/61ms at 10pps (North America) |
|
&P1 |
33/67ms at 10pps (Europe) |
|
RTS/CTS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Rn [cmds] |
|
Description: |
Selects RTS/CTS options |
|
Command |
Function |
|
&R0 |
Reserved |
|
&R1 |
Modem ignores RTS. |
|
&R2 |
Received Data on computer only on RTS |
|
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 handshaking or connected |
|
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 |
|
í &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. |
|
&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 maximum connect speed to 33.6Kbps. |
|
RESTORE PROFILE ON POWER-UP | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Yn [cmds] |
|
Description: |
Restores a selected profile into the active profile on power-up (hard reset) |
|
Command |
Function |
|
&Y0 |
Destructive, doesn’t send break |
|
&Y1 |
Destructive, expedited |
|
&Y2 |
Nondestructive, expedited |
|
&Y3 |
Reserved |
S(STATUS) -REGISTERS
|
BIT-MAPPED REGISTER S13 | ||
|
Format: |
AT [cmds] S13=n [cmds] | |
|
Range: |
0-174 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls reset, dial mode | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Unidentified Resets when DTR drops |
|
1 |
0 í 1 |
Unidentified Resets non-MNP transmit buffer from 1.5K to 128bytes |
|
2 |
0 1 |
Unidentified Sets backspace key to delete |
|
3 |
0 1 |
Unidentified On DTR signal, auto dials number stared at NVRAM position 0 |
|
4 |
0 1 |
Unidentified At power on/reset, auto dials number stared at NVRAM position 0 |
|
5 |
0 |
Reserved |
|
6 |
0 |
Reserved |
|
7 |
0 1 |
Unidentified Disconnect on escape code |
|
BIT-MAPPED REGISTER S15 | ||
|
Format: |
AT [cmds] S15=n [cmds] | |
|
Unit: |
Bit-mapped | |
|
Description: |
Disable/Enable MNP | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Enable ARQ/MNP for V.22 Disable ARQ/MNP for V.22 |
|
1 |
0 1 |
Enable ARQ/MNP for V.22bis Disable ARQ/MNP for V.22bis |
|
2 |
0 1 |
Enable ARQ/MNP for V.32/V.32bis/V.32terbo Enable ARQ/MNP for V.32/V.32bis/V.32terbo |
|
3 |
0 1 |
Enable MNP handshake Disable MNP handshake |
|
4 |
0 1 |
Enable MNP level 4 Disable MNP level 4 |
|
5 |
0 1 |
Enable MNP level 3 Disable MNP level 3 |
|
6 |
0 1 |
MNP compatibility MNP incompatibility |
|
7 |
0 1 |
Enable V.42 operation Disable V.42 operation |
|
TEST MODES | ||
|
Type: |
Register | |
|
Format: |
AT [cmds] S16=n [cmds] | |
|
Unit: |
Bit-mapped | |
|
Description: |
Controls touch tone dialing test. | |
|
Bit |
Value |
Function |
|
0 |
0 |
Reserved |
|
1 |
0 1 |
Touch tone dialing test not in progress Touch tone dialing test in progress |
|
2-7 |
0 |
Reserved |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S19=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
1 minute |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
Note: S19=0 disables the timer and allows indefinite inactivity. | |
|
BREAK LENGTH | |
|
Type: |
Register |
|
Format |
AT [cmds] S21=n [cmds] |
|
Unit: |
10ms |
|
Description: |
Sets duration of breaks sent from the modem to the computer |
Note: Applies to MNP or V.42 mode only. | |
|
FLOW CONTROL CHARACTER - XON | |
|
Type: |
Register |
|
Format: |
AT [cmds] S22=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XON |
|
FLOW CONTROL CHARACTER - XOFF | |
|
Type: |
Register |
|
Format: |
AT [cmds] S23=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XOFF |
|
BIT-MAPPED REGISTER S27 | ||
|
Format |
AT [cmds] S27=n [cmds] | |
|
Range: |
0-255 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Enables/disables modulation protocols | |
|
Bit |
Value |
Function |
|
0 |
0 1 |
Disable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both overseas and domestic calls, but only originates V.21 calls Enable ITU-T modulation at 300bps for overseas calls: in V.21 mode, the modem answers both overseas and domestic calls, but only originates V.21 calls |
|
1 |
0 1 |
Disable unencoded modulation in V.32 mode Enable unencoded modulation in V.32 mode |
|
2 |
0 1 |
Enable V.32 modulation Disable V.32 modulation |
|
3 |
0 1 |
Enable 2100Hz answer tone Disable 2100Hz answer tone |
|
4 |
0 1 |
Disable V.23 fallback mode Enable V.23 fallback mode |
|
5 |
0 1 |
Enable V.32bis mode Disable V.32bis mode |
|
6 |
0 1 |
Enable V.42 selective reject Disable V.42 selective reject |
|
7 |
0 1 |
Enable codes Disable codes and displays 900 code instead |
|
CONNECTION TIME | |
|
Type: |
Register |
|
Format |
AT [cmds] S28=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
.01 second |
|
Description: |
Sets V.32 duration |
|
Command |
Function |
|
S28=0 |
Eliminates the V.32 answer tone for a faster connection |
|
S28=8 |
Times are in .1 second |
|
S328=255 |
Disable connections except V.32 at 9600bps |
|
FALLBACK TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S29=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
.01 second |
|
Description: |
Sets the duration of the V.21 answer mode fallback timer |
|
VOLUME CONTROL | |
|
Type: |
Register |
|
Format |
AT [cmds] S31=n [cmds] |
|
Range: |
0-255 |
|
Description: |
Sets volume control for speakerphone |
|
BIT-MAPPED REGISTER S32 | |||
|
Format: |
AT [cmds] S32=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Select setup for 28.8 and higher speed modems | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Disable V.8 call indicate Enable V.8 call indicate | |
|
1 |
0 1 |
Disable V.8 mode Enable V.8 mode | |
|
2 |
0 1 |
Enable V.FC modulation Disable V.FC modulation | |
|
3 |
0 1 |
Enable V.34 modulation Disable V.34 modulation | |
|
4 |
0 1 |
Enable 33.6kbps modulation Disable 33.6kbps modulation | |
|
5-6 |
0 1 |
Reserved | |
|
BIT-MAPPED REGISTER S33 | |||
|
Format: |
AT [cmds] S33=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Disable/enable data rates | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Enable 2400 symbol rate Disable 2400 symbol rate | |
|
1 |
0 1 |
Enable 2743 symbol rate Disable 2743 symbol rate | |
|
2 |
0 |
Enable 2800 symbol rate Disable 2800 symbol rate | |
|
3 |
0 1 |
Enable 3000 symbol rate Disable 3000 symbol rate | |
|
4 |
0 1 |
Enable 3200 symbol rate Disable 3200 symbol rate | |
|
5 |
0 1 |
Enable 3429 symbol rate Disable 3429 symbol rate | |
|
6 |
0 |
Reserved | |
|
7 |
0 1 |
Enable shaping Disable shaping | |
|
BIT-MAPPED REGISTER S34 | |||
|
Format: |
AT [cmds] S34=n [cmds] | ||
|
Range: |
0-255 | ||
|
Description: |
Disable/enable trellis encoding | ||
|
Bit |
Value |
Function | |
|
0 |
0 1 |
Enable 8S-2D trellis encoding Disable 8S-2D trellis encoding | |
|
1 |
0 1 |
Enable 16S-4D trellis encoding Disable 16S-4D trellis encoding | |
|
2 |
0 1 |
Enable 32S-2D trellis encoding Disable 32S-2D trellis encoding | |
|
3 |
0 1 |
Enable 64S-4D trellis encoding Disable 64S-4D trellis encoding | |
|
4 |
0 1 |
Enable non-linear coding Disable non-linear coding | |
|
5 |
0 1 |
Enable TX level deviation Disable TX level deviation | |
|
6 |
0 1 |
Enable pre-emphasis Disable pre-emphasis | |
|
7 |
0 1 |
Enable pre-coding Disable pre-coding | |