GATEWAY 2000
TELEPATH 33.6 FAX MODEM
Card Type |
Modem |
Chip Set |
Unidentified |
I/O Options |
Soundcard connector, serial ports (2 RJ-11), microphone jack, line in |
Maximum Modem Rate |
33.6Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103A/212A, ITU-T V.21, V.22, V.22bis,V.32, V.32bis, V.34, V.FC |
Fax Modulation Protocol |
V.17, V.21, CH2, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I & II |
Data Bus |
8-bit ISA |
Card Size |
Half-length |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
Cable connector to sound card |
CN1 |
Microphone jack |
CN4 | |||
RJ-11 telephone in |
CN2 |
Line out |
CN5 | |||
RJ-11 telephone out |
CN3 |
SERIAL PORT ADDRESS | |||
Setting |
JP1/A |
JP1/B |
JP1/C |
COM1 (3F8h) |
Closed |
Closed |
Closed |
í COM2 (2F8h) |
Open |
Closed |
Closed |
COM3 (3E8h) |
Closed |
Open |
Closed |
COM4 (2E8h) |
Open |
Open |
Closed |
INTERRUPT | |||||
Setting |
JP2/A |
JP2/B |
JP2/C |
JP2/D |
JP2/E |
IRQ2 |
Closed |
Open |
Open |
Open |
Open |
í IRQ3 |
Open |
Closed |
Open |
Open |
Open |
IRQ4 |
Open |
Open |
Closed |
Open |
Open |
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
IRQ7 |
Open |
Open |
Open |
Open |
Closed |
MISCELLANEOUS TECHNICAL NOTES |
A compatible sound card is necessary in order for the Speakerphone functions to operate properly. |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, +++, comma, A/ |
A, B, E, F, H, O, P, R, T, V, X, Z |
&C, &D, &G, &P, &S, &T, &W, &X, &Y, &Z |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38 |
Special Commands |
#CID |
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 |
DP |
Pulse dialing enabled |
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
DS=n |
Dial stored telephone number n |
DT |
Tone dialing enabled/Pulse dialing disabled |
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. |
D/ |
Delays for 125 msec before proceeding with dial string |
D# |
Extended touch tone pad tones |
D* |
Extended touch tone pad tones |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays information requested |
Command |
Function |
I0 |
Reports four digit product code |
I1 |
Reports ROM checksum |
I2 |
Reports RAM checksum |
I3 |
Reports product type |
I4 |
Reports current modem settings |
I5 |
Reports nonvolatile memory settings |
I6 |
Reports link diagnostics |
I7 |
Reports product configuration |
I11 |
Reports link diagnostics |
SPEAKER VOLUME | |
Type: |
Configuration |
Format: |
AT [cmds] Ln [cmds] |
Description: |
Controls speaker volume |
Command |
Function |
L0 |
Low volume setting |
L1 |
Low volume setting |
L2 |
Medium volume setting |
L3 |
Highest volume setting |
SPEAKER MODE | |
Type: |
Configuration |
Format: |
AT [cmds] Mn [cmds] |
Description: |
Selects various speaker options |
Command |
Function |
M0 |
Speaker disabled |
M2 |
Speaker enabled |
M3 |
Speaker enabled following dialing, then disabled after carrier signal detected. |
RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] Qn [cmds] |
Description: |
Enables modem to send result codes to the DTE |
Command |
Function |
Q0 |
Result code sending enabled |
Q1 |
Result code sending disabled |
Q2 |
Result code sending enabled only in Originate mode |
POWER ON/RESET | |
Type: |
Configuration |
Format: |
AT [cmds] Yn [cmds] |
Description: |
Selects power on/reset default configuration |
Command |
Function |
Y0 |
Profile 0 in NVRAM |
Y1 |
Profile 0 in NVRAM |
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 modem to profile selected by Y command |
Z1 |
Restore NVRAM setting 0 |
Z2 |
Restore NVRAM setting 1 |
Z3 |
Resets modem to factory default profile 0 (&F0) |
Z4 |
Resets modem to factory default profile 1 (&F1) |
Z5 |
Resets modem to factory default profile 2 (&F2) |
CODE SUBSET DISPLAY | |
Type: |
Configuration |
Format: |
AT [cmds] &An [cmds] |
Description: |
Enable or suppress the display of an additional result code subsets. |
Command |
Function |
&A0 |
Do not display ARQ result codes |
&A1 |
Display ARQ result codes |
&A2 |
Display modulation indicators |
&A3 |
Display error control |
SERIAL PORT RATE | |
Type: |
Configuration |
Format: |
AT [cmds] &Bn [cmds] |
Description: |
Sets serial port rate. |
&B0 |
Variable, follows connection rate |
&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 |
&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 |
&H0 |
Flow control disabled |
&H1 |
Hardware flow control, CTS |
&H2 |
Software flow control, XON/XOFF |
&H3 |
Hardware and software flow control |
RECEIVE DATA FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &I [cmds] |
Description: |
Sets transmit data flow |
&I0 |
Software flow control disabled |
&I1 |
XON/XOFF signals to your modem and remote system |
&I2 |
XON/XOFF signals to your modem only |
DATA COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables/disables data compression |
Command |
Function |
&K0 |
Data compression disabled |
&K1 |
Auto enable/disable |
&K2 |
Data compression enabled |
&K3 |
MNP5 compression disabled |
ERROR CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects error control 1200bps and higher |
Command |
Mode |
&M0 |
Normal mode, error control disabled |
&M1 |
Reserved |
&M2 |
Reserved |
&M3 |
Reserved |
&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. |
RTS/CTS | |
Type: |
Configuration |
Format: |
AT [cmds] &Rn [cmds] |
Description: |
Selects RTS/CTS options |
Command |
Function |
&R0 |
Reserved |
&R1 |
RTS is ignored by modem. |
&R2 |
Received data only on RTS. Controls DSR operations |
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 minimum connect speed to 33.6Kbps. |
BREAK HANDLING | |
Type: |
Configuration |
Format: |
AT [cmds] &Yn [cmds] |
Description: |
Sets break handling |
Command |
Function |
&Y0 |
Destructive, but doesnt sent 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 echo, result codes and display, dial mode, and answer/originate mode. | |
Bit |
Value |
Function |
0 |
0 1 |
Unidentified Reset when DTR drops |
1 |
0 1 |
Unidentified Resets non-MNP transmit buffer from 1.5K to 128bytes |
2 |
0 1 |
Unidentified Set backspace key to delete |
3 |
0 1 |
Unidentified DTR signals auto dial stored in NVRAM at position 0 |
4 |
0 1 |
Unidentified Power on auto dial stored in NVRAM at position 0 |
5 |
0 1 |
Not used Not used |
6 |
0 1 |
Not used Not used |
7 |
0 1 |
Unidentified Disconnect on escape code |
BIT-MAPPED REGISTER S15 | ||
Format: |
AT [cmds] S15=n [cmds] | |
Range: |
0-174 | |
Description: |
Bitmapped register setup. | |
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 |
Disable ARQ/MNP for V32/V.32bis Disable ARQ/MNP for V32/V.32bis |
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 |
Special MNP compatibility Special MNP incompatibility |
7 |
0 1 |
Enable V.42 detection phase Disable V.42 detection phase |
TOUCH TONE DIALING TEST | ||
Format: |
AT [cmds] S16=n [cmds] | |
Range: |
0-128 | |
Unit: |
Bit-mapped register setup | |
Description: |
Bitmapped register setup. | |
Bit |
Value |
Function |
1 |
0 1 |
Touch tone dialing test disabled Touch tone dialing test enabled |
2 |
0 1 |
Internal test pattern disabled Internal test pattern enabled |
3-6 |
0 1 |
Not used Not used |
7 |
0 1 |
Watchdog reset disabled Watchdog reset enabled |
INACTIVITY TIMER | |
Type: |
Register |
Format |
AT [cmds] S19=n [cmds] |
Default: |
0 |
Unit: |
1 minute |
Description: |
Activates when there is no activity on the phone line. Modem hangs up at time-out |
Note: S19=0 disables the timer and allows an indefinite duration. |
MNP OR V.42 MODE DELAY | |
Type: |
Register |
Format |
AT [cmds] S21=n [cmds] |
Range: |
Unidentified |
Unit: |
10ms |
Description: |
Sets the length of breaks sent from modem to computer. |
FLOW CONTROL CHARACTER - XON | |
Type: |
Register |
Format: |
AT [cmds] S22=n [cmds] |
Range: |
Unidentified |
Unit: |
ASCII |
Description: |
Sets the character used to represent XON |
FLOW CONTROL CHARACTER - XOFF | |
Type: |
Register |
Format: |
AT [cmds] S23=n [cmds] |
Range: |
Unidentified |
Unit: |
ASCII |
Description: |
Sets the character used to represent XOFF |
DTR DELAY | |
Format |
AT [cmds] S25=n [cmds] |
Unit: |
.01 second |
Description: |
Selects the duration that DTR must be dropped so that the modem doesnt interpret a random glitch as a DTR loss. |
BIT-MAPPED REGISTER S27 | ||
Format |
AT [cmds] S27=n [cmds] | |
Unit: |
Bit-mapped | |
Description: |
Selects line modulation | |
Bit |
Value |
Function |
0 |
0 1 |
Disables 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. Enables 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 |
Disables unencoded modulation in V.32bis mode. Enables unencoded modulation in V.32bis mode |
2 |
0 1 |
Enables V.32 modulation Disables V.32 modulation |
3 |
0 1 |
Enables 2100Hz answer tone to allow two V.42 modems to attach more quickly Disables 2100Hz answer tone to allow two V.42 modems to attach more quickly |
4 |
0 1 |
Disables V.23 fallback mode Enables V.23 fallback mode |
5 |
0 1 |
Enables V.32bis mode Disables V.32bis mode |
6 |
0 1 |
Not used Not used |
7 |
0 1 |
Software compatibility mode disabled Software compatibility mode enabled |
ANSWER TONE DISABLE | |
Type: |
Register |
Format |
AT [cmds] S28=n [cmds] |
Range: |
0-255 |
Unit: |
.10 second |
Description: |
Eliminates the V.32 answer tones for faster dialing = "0" |
ANSWER MODE FALLBACK TIMER | |
Type: |
Register |
Format |
AT [cmds] S29=n [cmds] |
Range: |
Undentified |
Unit: |
.10 seconds |
Description: |
Maximum duration of V.21/V.23 answer mode fallback timer. |
VOICE PLAYBACK AUDIO LEVEL | |
Type: |
Register |
Format |
AT [cmds] S31=n [cmds] |
Range: |
0-255 |
Description: |
Sets voice playback audio level. |
BIT-MAPPED REGISTER S32 | |||
Format: |
AT [cmds] S32=n [cmds] | ||
Range: |
Unidentified | ||
Description: |
Register setup for 33.6 speed modems | ||
Bit |
Value |
Function | |
0 |
0 1 |
V.8 call indicate disabled V.8 call indicate enabled | |
1 |
0 1 |
Disables V.8 mode Enables V.8 mode | |
2 |
0 1 |
Enables V.FC modulation Disables V.FC modulation | |
3 |
0 1 |
Enables V.34 modulation Disables V.34 modulation | |
4 |
0 1 |
Enables 33.6kbps support Disables 33.6kbps support | |
5 |
0 1 |
Enables X2 support Disables X2 support |
BIT-MAPPED REGISTER S33 | |||
Format: |
AT [cmds] S33=n [cmds] | ||
Description: |
Register setup for 33.6 speed modems | ||
Bit |
Value |
Function | |
0 |
0 1 |
Enables 2400 symbol rate Disables 2400 symbol rate | |
1 |
0 1 |
Enables 2743 symbol rate Disables 2743 symbol rate | |
2 |
0 1 |
Enables 2800 symbol rate Disables 2800 symbol rate | |
3 |
0 1 |
Enables 3000 symbol rate Disables 3000 symbol rate | |
4 |
0 1 |
Enables 3200 symbol rate Disables 3200 symbol rate | |
5 |
0 1 |
Enables 3429 symbol rate Disables 3429 symbol rate | |
6 |
0 1 |
Not used Not used | |
7 |
0 1 |
Enables shaping Disables 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 |
BIT-MAPPED REGISTER S41 | ||
Format |
AT [cmds] S41=n [cmds] | |
Range: |
Unidentified | |
Unit: |
Bit-mapped | |
Description: |
Selects ringing and speakerphone mode. | |
Bit |
Value |
Function |
0 |
0 1 |
Distinctive ringing disabled Distinctive ringing enabled |
2,1 |
00 11 |
Full Duplex speakerphone Half Duplex speakerphone mode |
VOICE COMMAND SET
MODE SELECTION | |
Type: |
Immediate |
Format: |
AT [cmds] #CLS=n [cmds] |
Description: |
Selects which mode the modem will operate in. |
Command |
Function |
#CLS=0 |
Modem will operate in data mode. |
#CLS=1 |
Modem will operate in fax class I mode. |
#CLS=2 |
Modem will operate in fax class II mode. |
#CLS=8 |
Modem will operate in voice mode. |
VOICE DEVICE | |
Type: |
Configuration |
Format: |
AT [cmds] #VLS=n [cmds] |
Description: |
Selects the I/O device for the DSP chip. |
Note: |
This modem may not support all options listed below. The #VLS? command will display the available options. |
Command |
Function |
í #VLS=0 |
Telephone line and handset used for voice I/O. |
#VLS=1 |
Telephone handset used for voice I/O. |
#VLS=2 |
Internal speaker only used for voice I/O. |
#VLS=3 |
External microphone only used for voice I/O. |
#VLS=4 |
Telephone line and handset used for voice I/O; internal speaker enabled. |