PARADYNE CORPORATION
DATAPORT 2001
Card Type | Modem (asynchronous) |
Chip Set | Unidentified |
Maximum Modem Rate | 14.4KbpS |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 103J/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
Fax Modulation Protocol | ITU-T V.17, V.29, V.27ter |
Error Correction/Compression | V.42, V.42bis, MNP5 |
Fax Class | Class I & II |
Data Bus | External |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
DC power | CN1 | Line in | CN4 | |||
RS-232/422 | CN2 | Power switch | SW1 | |||
Line out | CN3 | |||||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
RD | Unidentified | On | Modem is receiving data |
RD | Unidentified | Off | Modem is not receiving data |
SD | Unidentified | On | Modem is transmitting data |
SD | Unidentified | Off | Modem is not transmitting data |
CD | Unidentified | On | Carrier signal detected |
CD | Unidentified | Off | Carrier signal not detected |
OH | Unidentified | On | Modem is off-hook |
OH | Unidentified | Off | Modem is on-hook |
TR | Unidentified | On | DTR signal is high |
TR | Unidentified | Off | DTR signal is low |
EC | Unidentified | On | Error correction enabled |
EC | Unidentified | Off | Error correction disabled |
HS | Unidentified | On | Modem is in high speed mode |
HS | Unidentified | Off | Modem is not in high speed mode |
MR | Unidentified | On | Power is on |
MR | Unidentified | Off | Power is off |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, E, H, P, T, Y |
&G, &W, &X, &Y, &Z |
Extended AT Commands |
\G, \K, \X |
%A |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26 |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
COMMUNICATION PROTOCOLS | |
Type: | Configuration |
Format: | AT [cmds] Bn [cmds] |
Description: | Selects the communication protocol for data calls |
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. | |
Command | Protocol |
B0 | ITU-T V.22 at 300 or 1200bps |
B1 | Bell 212A at 300 or 1200bps |
B2 | V.23 at 75/1200bps |
B3 | V.23 at 1200/75bps |
COMMUNICATIONS MODE | |
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects communications mode |
Command | Mode |
í &M0 | Asynchronous mode |
&M1 | Synchronous mode with AT command protocol dialing |
&M2 | Synchronous mode with DTR dialing method |
&M3 | Synchronous mode with AT command protocol dialing |
COMMUNICATIONS MODE | |
Type: | Configuration |
Format: | AT [cmds] &Qn [cmds] |
Description: | Selects communications mode |
Command | Mode |
í &Q0 | Asynchronous mode |
&Q1 | Synchronous mode with AT command protocol dialing |
&Q2 | Synchronous mode with DTR dialing method |
&Q3 | Synchronous mode with AT command protocol dialing |
CONFIGURATION PROFILES | |
Type: | Immediate |
Format: | AT [cmds] &V [cmds] |
Description: | Displays active and stored configuration profiles |
Command | Function |
&V0 | Display current configuration options in active memory |
&V1 | Display configuration options stored in memory area specified by &Y command |
&V1n | Display a continuous scroll of the view commend. (n= 0 for &V0, 1 for &V1, 2 for &V2, 3 for &V3, and 4 for &V4) |
&V2 | Display configuration options stored in user profile 0 |
&V3 | Display configuration options stored in used profile 1 |
&V4 | Display telephone numbers stored in directory locations 1 and 2 |
&V8 | Display modem’s status information for troubleshooting |
DATA CARRIER DETECT (DCD) | |
Type: | Configuration |
Format: | AT [cmds] &Cn [cmds] |
Description: | Selects whether the DCD option is enabled or disabled |
Command | Function |
í &C0 | DCD enabled |
&C1 | DCD enabled after carrier signal detected |
&C2 | DCD forced on, turns off momentarily when disconnected |
&C3 | Follows DTR |
&C4 | Simulated Control Carrier |
&C5 | Follows DTR, turns off upon disconnect |
DATA SET READY (DSR) | |
Type: | Configuration |
Format: | AT [cmds] &Sn [cmds] |
Description: | Selects DSR options |
Command | Function |
&S0 | DSR forced high |
í &S1 | DSR high only while modem is handshaking or connected |
&S2 | DSR high only while modem is connected |
&S3 | Follows DTR |
&S4 | On early (when data command is entered) |
&S5 | Delay until Data mode is entered |
DATA TERMINAL READY (DTR) | |
Type: | Configuration |
Format: | AT [cmds] &Dn [cmds] |
Description: | Selects modem response to DTR |
Command | Function |
í &D0 | Modem does not respond to DTR |
&D1 | Modem goes to command mode after DTR goes is off |
&D2 | Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. |
&D3 | Modem is initialized after DTR goes off |
&D4 | Modem does not disconnect from the call until the computer turns DTR off reguardless of how the remote modem disconnects the call (see S25) |
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$ | Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command. |
D; | Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
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 | Load factory configuration options into active memory |
&F5 | Load the ETC protocol (cellular phone line) |
&F6 | Load the ETC protocol (normal phone line) |
ON-LINE | |
Type: | Immediate |
Format: | AT [cmds] On [cmds] |
Description: | Controls on-line command (data transmission) state options. |
Note: The O command must be placed at the end of the command string. | |
Command | Function |
O0 | Return to on-line data mode |
O1 | Forces modem from online command mode to data mode |
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) |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Displays the product code |
I1 | Displays the ROM checksum |
I2 | Performs and EEPROM check |
I3 | Displays serial number and AT&T Paradyne |
I4 | Displays alphanumeric modem number |
I5 | Displays circuit card part number |
I6 | Displays software part number |
I9 | Displays firmware revision number |
I10 | Allows the value of 10 to be changed to 144 (I10=0), 240 (I10=1), 480 (I10=2), 960 (I10=3), or 120 (I10=4) |
I11 | Displays a ROM checksum in a hexadecimal format |
I17 | Displays last fatal error recorded |
I19 | Displays firmware revision number in an alphanumeric format |
RESULT CODE FORMAT | |
Type: | Configuration |
Format: | AT [cmds] Vn [cmds] |
Description: | Selects word or numeric format for information-text and result codes |
Command | Function |
V0 | Numeric format enabled (numbers 1) |
í V1 | Verbose (word) format enabled |
V2 | Numeric format enabled (numbers 2) |
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 enabled in Originate mode |
RTS/CTS | |
Type: | Configuration |
Format: | AT [cmds] &Rn [cmds] |
Description: | Selects RTS/CTS options |
Command | Function |
í &R0 | Standard RS-232 operation: RTS must be on for the computer to transmit to the modem |
&R1 | Ignore |
&R2 | Simulated Control Carrier |
SELECT CALL PROGRESS RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] Xn [cmds] |
Description: | Enables selection of tone detection and associated result code format options |
Command | Function |
X0 | Busy and dial tone detection disabled; result codes 0 - 4 enabled. |
X1 | Busy and dial tone detection disabled; result codes 0 - 5 & 10 enabled. |
X2 | Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 enabled. |
X3 | Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 & 10 enabled. |
í X4 | Busy and dial tone detection enabled; result codes 0 - 7 & 10 enabled. |
X5 | Adds error control suffix (REL) to extended result codes 20-27 if error control is used, enabled dial tone detect and busy tone detect |
X6 | Add either V.42 or MNP suffix to extended result codes 20-27 if data compression is used, enable dial tone detect and busy signal detect |
X7 | Computer’s data rate appears in the connect message instead of the telephone line data rate, enables dial tone detect and busy tone detect |
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 0 |
Z1 | Restore setting 1 |
Z3 | Performs a reset and loads storage area specified by &Y into Active |
SPEAKER MODE | |
Type: | Configuration |
Format: | AT [cmds] Mn [cmds] |
Description: | Selects various speaker options |
Command | Function |
M0 | Speaker disabled |
í M1 | Speaker enabled until carrier signal detected |
M2 | Speaker enabled |
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 |
TEST MODES | |
Type: | Immediate |
Format: | AT [cmds] &Tn |
Description: | Selects test options |
Command | Function |
&T0 | End current test |
&T1 | Begin local analog loopback test |
&T2 | Pattern test |
&T3 | Begin local digital loopback |
&T4 | Grant remote digital loopback request |
&T5 | Deny remote digital loopback request |
&T6 | Request remote digital loopback |
&T7 | Request remote digital loopback and self-test |
&T8 | Begin local analog loopback and self-test |
&T9 | Self test |
TRANSMIT LEVEL | |
Type: | Configuration |
Format: | AT [cmds] &In [cmds] |
Description: | Determins the transmit level for data over dial lines. (-10 - -25dBm) |
TRANSMIT MODE | |
Type: | Configuration |
Format: | AT [cmds] &Jn [cmds] |
Description: | Controls the transmit mode |
Command | Jack Type |
í &J0 | Permissive mode |
Extended AT Commands
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Disable V.42bis and MNP 5 data compression |
%C1 | Enable V.42bis and MNP 5 data compression |
CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Controls the type of connection the modem will operate in |
Command | Function |
\N0 | Buffer mode |
\N1 | Direct mode |
\N2 | MNP or disconnect |
\N3 | MNP or buffer |
\N4 | LAPM of disconnect (cellular setting) |
\N5 | LAPM or buffer |
\N6 | V.42.MNP or disconnect |
í \N7 | V.42/MNP or buffer |
CTS CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Dn [cmds] |
Description: | Determines the hanling of the Clear To Send signal |
Command | Function |
\D0 | Forced on |
\D1 | Follows standard RS-232 operation: CTS follows DTS |
\D2 | Forced on, but turns off momentarily when disconnected |
\D3 | Follow state of DTR signal |
DATABURST CONTROL | ||
Type: | Configuration | |
Format: | AT [cmds] %Van [cmds] | |
Description: | Databurst control | |
Command | Function | |
%VA0 | Disable | |
%VA1 | Enable | |
ERROR CONTROL NEGOTIATION BUFFER | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Determines wether the modem buffers data durring error control negotiation |
Command | Function |
\C0 | Disabled |
\C1 | Enabled |
\C2 | Disabled, enable upon fallback |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
DTE | |
Command | Function |
\Q0, \Q4, \Q5, \Q6 | Disable |
\Q1 | XON/XOFF |
\Q2, \Q3 | CTS to DTE |
DCE | |
Command | Function |
\Q0, \Q2, \Q4 | Disable |
\Q1, \Q5 | XON/XOFF |
\Q3, \Q6 | RTS to DCE |
INACTIVITY TIMER | |
Type: | Configuration |
Format: | AT [cmds] \Tn [cmds] |
Default: | 0 |
Range: | 0-255 |
Unit: | 1 second |
Description: | Sets the length of time that the modem does not receive information before it disconnects. 0 disables. |
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 |
\A1 | MNP block size is 128 characters |
\A2 | MNP block size is 192 characters |
\A3 | MNP block size is 256 characters |
\A4 | MNP block size is 32 characters |
\A5 | MNP block size is 16 characters |
MODULATION/DATA RATE | |
Type: | Configuration |
Format: | AT [cmds] %Bn [cmds] |
Description: | Controls the modulation/data rate |
Command | Function |
%B300 | V.21 or Bell 103 @ 300bps |
%B1200 | V.22, V.23 or Bell 212A @ 1200bps |
%B2400 | V.22bis @ 2400bps |
%B4800 | V.32bis/V.32 @ 4800bps |
%B7200 | V.32bis @ 7200bps |
%B9600 | V.32bis/V.32 @ 9600bps |
%B12000 | V.32bis @ 12,000bps |
%B14400 | V.32bis @ 14,400bps |
VOICESPAN | |
Type: | Configuration |
Format: | AT [cmds] %VFn [cmds] |
Description: | Controls voicespan defaults |
VOICESPAN AUDIO VOLUME | |
Type: | Immediate |
Format: | AT [cmds] %VG [cmds] |
Range: | 0 (lowest) - 9 (highest) |
Description: | Returns a value which indicates the received line signal level |
VOICESPAN DATA MODE | |
Type: | Immediate |
Format: | AT [cmds] %VH [cmds] |
Description: | Controls the voicespan data mode |
Command | Function |
%VH0 | Audio and data |
%VH1 | Data only |
VOICESPAN SPEAKER RING VOLUME | |
Type: | Immediate |
Format: | AT [cmds] %VL [cmds] |
Description: | Controls the voicespan speaker ring volume |
Command | Function |
%VL0 | Disable |
%VL1 | Low |
%VL2 | Medium |
%VL3 | High |
VOICESPAN TOGGLE | |
Type: | Immediate |
Format: | AT [cmds] %VS [cmds] |
Description: | Disables the voicespan |
Command | Function |
%VS0 | Disable |
%VS1 | Enable |
S(status) -REGISTERS
ADDITIONAL RINGS TO ANSWER | ||
Type: | Register | |
Format: | AT [cmds] S62=n [cmds] | |
Range: | 0 - 255 (0 = disable) | |
Description: | Specifies the number of rings to be sent to the local telephone before a RING message is sent to the computer | |
AT COMMAND MODE | |||
Type: | Register | ||
Format: | AT [cmds] S84=n [cmds] | ||
Description: | Determines how the modem responds to valid and invalid AT commands | ||
Command | Function | ||
í S84=0 | Normal | ||
S84=1 | ERROR result code is not issued in response to invalid commands | ||
S84=2 | All invalid commands and all commands that alter configuration options are ignored | ||
BUFFER DISCONNECT DELAY | |||
Type: | Register | ||
Format: | AT [cmds] S49=n [cmds] | ||
Description: | Sets how long the modem waits to disconnect after it has received a disconnect command. | ||
Command | Function | ||
S49=0 | Disable | ||
CELLULAR ENHANCEMENTS | ||
Type | Register or Configuration | |
Format | AT [cmds] S91=n [cmds] | |
Description | This is part of the ETC protocol and is enabled when the modem is configured using AT&F5 or AT&F6 commands. | |
Command | Function | |
í S91=1 | Disable | |
S91=2 | Enable | |
DIAL LINE RATE | ||
Format | AT [cmds] S41=n [cmds] | |
Default: | 0,1 | |
Range: | 0 - 13 | |
Description: | Sets the protocol and rate. | |
Bit | Value | Function |
1 - 0 | 14,400 | V.32bis |
2 | 12,000 | V.32bis |
3 | 9600 | V.32bis/V.32 |
4 | 7200 | V.32bis |
5 | 4800 | V.32bis/V.32 |
6 | 2400 | V.22bis |
7 | 1200 | V.22 |
8 | 1200 | Bell 212A |
10 | 0-300 | V.21 |
11 | 0-300 | Bell 103J |
12 | 1200/75 | V.23 |
13 | 75/1200 | V.23 |
DTE RATE = VF RATE | ||
Type: | Register | |
Format: | AT [cmds] S90=n [cmds] | |
Description: | Automatically adjusts the computer’s rate to equal the dial-line rate | |
Command | Function | |
í S90=1 | Disable | |
S90=2 | Enable | |
DTMF TONE OFF TIMER | |
Format: | AT [cmds] S13=n [cmds] |
Default: | 70 |
Range: | 50 - 255 |
Description: | Controls the duration of the wait between DTMF tones |
FAST DISCONNECT | |||
Type: | Register | ||
Format: | AT [cmds] S85=n [cmds] | ||
Description: | Determines whether the modem instantly goes on-hook in response to a disconnect command. | ||
Command | Function | ||
í S85=0 | Disable | ||
S85=1 | Enable | ||
HARDWARE BYPASS CONTROL | |||
Type: | Register | ||
Format: | AT [cmds] S67=n [cmds] | ||
Description: | Determines under what conditions the modem will turn on or off hardware bypass control. | ||
Command | Function | ||
í S67=0 | Disable | ||
S67=1 | Bypass if DTR drops | ||
S67=2 | Bypass until modem goes off hook | ||
LINE CURRENT DISCONNECT | |||
Type: | Register | ||
Format: | AT [cmds] S65=n [cmds] | ||
Description: | Enables line current disconnects | ||
Command | Function | ||
í S65=0 | Disconnect after 8 milliseconds | ||
S65=1 | Disconnect after 90 milliseconds | ||
S65=2 | Disable | ||
MAXIMUM RATE IN DATA-ONLY MODE | |||
Type: | Register | ||
Format: | AT [cmds] S61=n [cmds] | ||
Description: | Sets the data rate used when in data-only mode | ||
Command | Function | ||
í S61=0 | 14,400bps | ||
S61=1 | 12,000bps | ||
S61=2 | 9600bps | ||
S61=3 | 7200bps | ||
S61=7 | 4800bps | ||
RI FOLLOWS LOCAL PHONE | |||
Type: | Register | ||
Format: | AT [cmds] S68=n [cmds] | ||
Description: | Determines whether the RI signal indicates the hookswitch status of the telephone connected to the Voice Interface Port. | ||
Command | Function | ||
í S68=0 | Disable | ||
S68=1 | Enable | ||
V.17 FAX DISABLE | |||
Type: | Register | ||
Format: | AT [cmds] S79=n [cmds] | ||
Description: | Enables the V.17 fax functionality. | ||
Command | Function | ||
í S79=0 | Disable | ||
S79=1 | Enable | ||
V.32bis AUTOMODE FOR DIAL-LINE OPERATION | |||
Type: | Register | ||
Format: | AT [cmds] S78=n [cmds] | ||
Description: | Determines whether the modem can connect using a modulation scheme other than that specified by S41. | ||
Command | Function | ||
í S78=0 | Enable | ||
S78=1 | Disable | ||
V.32bis AUTORATE FOR DIAL-LINE OPERATION | |||
Type: | Register | ||
Format: | AT [cmds] S76=n [cmds] | ||
Description: | Determines whether the modem can adjust line rate according to the line conditions | ||
Command | Function | ||
í S76=0 | Enable | ||
S76=1 | Disable | ||
S76=2 | 4800bps | ||
S76=3 | 9600bps | ||
V.32bis TRAIN | |||
Type: | Register | ||
Format: | AT [cmds] S43=n [cmds] | ||
Description: | Sets the duration of the V.32 handshaking sequence. | ||
Command | Function | ||
í S43=0 | Long | ||
S43=1 | Short | ||
V.42 ARQ WINDOW SIZE INCREASE | ||
Type: | Register | |
Format | AT [cmds] S89=n [cmds] | |
Description: | Sets the V.42 ARQ window size to a value of six to fifteen frames. | |
Command | Function | |
S89=0 | 6 frames | |
í S89=1 | 7 frames | |
S89=2 | 8 frames | |
S89=3 | 9 frames | |
S89=4 | 10 frames | |
S89=5 | 11 frames | |
S89=6 | 12 frames | |
S89=7 | 13 frames | |
S89=8 | 14 frames | |
S89=9 | 15 frames (cellular setting) | |
S89>9 | 9 frames | |
VOICESPAN CALL DISCRIMINATE | |||
Type: | Register | ||
Format: | AT [cmds] S63=n [cmds] | ||
Description: | Determines wheter to use the modulation indicated by the calling tone. | ||
Command | Function | ||
í S63=0 | Disable | ||
S63=1 | Enable | ||
VOICESPAN DISCRIMINATE TIMEOUT | ||
Type: | Register | |
Format: | AT [cmds] S64=n [cmds] | |
Range: | 0 - 255 | |
Description: | Determines how long call discrimination can be tried before the default modulation is used. | |
VOICESPAN FAST TRAIN | |||
Type: | Register | ||
Format: | AT [cmds] S75=n [cmds] | ||
Description: | Enables fast training when running voicespan | ||
Command | Function | ||
í S75=0 | Enable | ||
S75=1 | Disable | ||
VOICESPAN PHONE RING COUNT | |||
Type: | Register | ||
Format: | AT [cmds] S66=n [cmds] | ||
Range: | 0 - 254 | ||
Description: | Sets the maximum number of rings used to alert the user to an impending voicespan session. | ||
Command | Function | ||
í S66=0 | Disable | ||