DATALINK V.90 (LUCENT)
Card Type | Modem |
Chip Set | Lucent |
Maximum Modem Rate | 56Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 103A/212A, 103 ITU-T V.21, V.22bis, V.23, V.32, V.32bis, V.34, V.34+, V.90/K56flex |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP10,MNP5, V.42, V.42bis |
Fax Class | Class I & II |
Data Bus | PCMCIA Type II |
55457
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, +++, A/ |
A, C, E, F, H, M, P, Q, T, V, Y, Z |
&B, &C, &G, &W |
Extended AT Commands |
\A, \B, \K, \T, \X |
S Registers |
S0, S1, S2, S3, S4, S5, S9, S12 |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
AUTO-MODE DETECTION |
|
Type: | Configuration |
Format: | AT [cmds] Nn [cmds] |
Description: | Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. |
Command |
Function |
N0 |
Selects handshake only for standard indicated in S37 register and B command |
N1 |
In originate mode, handshake begins at line speed designated by the S37 register and B command. Modem can shift to a slower speed if necessary. |
AUXILIARY RELAY SELECTION |
|
Type: | Configuration |
Format: | AT [cmds] &Jn [cmds] |
Description: | Selects auxiliary relay |
Command |
Function |
&J0 |
Enable auxiliary relay - always on |
&J1 |
Reserved |
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 |
Disables V.23 reverse channel |
B3 |
Disables V.23 reverse channel |
B15 |
Enables V.21 when modem is running at 300bps |
B16 |
Enables Bell 103J when modem is running at 300bps |
COMMUNICATIONS MODE |
|
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects communications mode |
Command |
Mode |
&M0 |
Asynchronous mode |
&M1 - &M4 |
Reserved |
COMMUNICATIONS MODE |
|
Type: | Configuration |
Format: | AT [cmds] &Qn [cmds] |
Description: | Selects communications mode options |
Command |
Mode |
&Q0 |
Buffered asynchronous mode. |
&Q1 - &Q4 |
Reserved |
&Q5 |
Error control mode. |
&Q6 |
Buffered asynchronous mode. |
&Q7 |
Reserved |
&Q8 |
MNP error control mode. |
&Q9 |
V.42 or MNP error control mode. |
CONFIGURATION PROFILES |
|
Type: | Immediate |
Format: | AT [cmds] &Vn [cmds] |
Description: | Displays report on configuration profiles |
Command |
Function |
&V0 |
Displays active and stroed configuration profiles |
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 |
DATA TERMINAL READY (DTR) |
||
Type: | Configuration | |
Format: | AT [cmds] &Dn [cmds] | |
Description: | Selects modem response to DTR | |
Command |
Function |
|
&D0 |
Modem does not respond to DTR | |
&D1 |
Modem goes to command mode on DTR toggle | |
» | &D2 |
Modem goes to command mode
and disconnects (hangs up) on DTR toggle; Auto-Answer is disabled on low DTR. |
&D3 |
Modem is initialized on DTR toggle |
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 |
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^ |
Disables data calling tone transmission |
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
EXTENDED RESULT CODES |
|
Type: | Configuration |
Format: | AT [cmds] Wn [cmds] |
Description: | Enables selection of additional result codes |
Command |
Function |
W0 |
Enables CONNECT result codes to report DTE speed. |
W1 |
Enables CONNECT result codes to report DTE speed. |
W2 |
Enables CONNECT result codes to report DCE speed. |
FACTORY DEFAULT PROFILE |
|
Type: | Configuration |
Format: | AT [cmds] &Fn [cmds] |
Description: | Sets values in active profile to values found in the default profile |
Command |
Function |
&F0 |
Restores factory settings as active configuration |
FLOW CONTROL |
|
Type: | Configuration |
Format: | AT [cmds] &Kn [cmds] |
Description: | Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
&K1 |
Reserved |
&K2 |
Reserved |
&K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled |
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 |
On-line command mode with no retraining enabled |
O1 |
On-line command mode with retraining enabled |
O3 |
On-line command mode after rate renegotiation |
PULSE DIALING RATIO |
|
Type: | Configuration |
Format: | AT [cmds] &Pn [cmds] |
Description: | Selects pulse dial make/break ratio |
Command |
Function |
&P0 |
39/61ms at 10pps (North America) |
&P1 |
33/67ms at 10pps (Europe) |
&P2 |
39/61ms at 20pps |
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 ROM checksum |
I3 |
Reports default speed and firmware version |
I4 |
Reports firmware version for data pump |
I5 |
Reports board ID - software and hardware version and country code |
I6 |
Reports data connection information |
I7 |
Reports manufacturer and model information |
I8 |
Reports OK |
I9 |
Reports OK |
I11 |
Reports diagnostic information from last modem connection |
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 |
Restore profile 0 on power-up |
&Y1 |
Reports ERROR |
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 disabled |
X1 |
Busy and dial tone detection disabled; result codes enabled. |
X2 |
Busy tone detection disabled, dial tone detection enabled; result codes enabled. |
X3 |
Busy tone detection enabled, dial tone detection disabled; result codes enabled. |
X4 |
Busy and dial tone detection enabled; result codes enabled. |
X5 |
Busy and dial tone detection enabled; result codes enabled. |
X6 |
Busy and dial tone detection enabled; result codes enabled. |
X7 |
Busy and dial tone detection enabled; result codes disabled |
SPEAKER VOLUME |
||
Type: | Configuration | |
Format: | AT [cmds] Ln [cmds] | |
Description: | Controls speaker volume | |
Command |
Function |
|
L0 |
Lowest volume setting | |
L1 |
Low volume setting | |
» | L2 |
Medium volume setting |
L3 |
Highest volume setting |
STORE TELEPHONE NUMBER |
|
Type: | Configuration |
Format: | AT [cmds] &Zn=(phone # & modifiers) |
Description: | Writes selected telephone numbers into the non-volatile memory at location n |
Note: The characters described in the D command are valid for use in the &Z command; telephone numbers and modifiers can include up to 40 characters. |
TEST MODES |
|
Type: | Immediate |
Format: | AT [cmds] &Tn |
Description: | Selects test options |
Command |
Function |
&T0 |
End current test |
&T1 |
Begin local analog loopback test |
&T3 |
Begin local digital loopback |
&T6 |
Request remote digital loopback |
Extended AT Commands
ADJUST BAUD RATE SELECTION |
|
Type: | Configuration |
Format: | AT [cmds] \Jn [cmds] |
Description: | Controls emulation of modems that force DTE interface to line speed |
Command |
Function |
\J0 |
Enable emulation |
\J1 |
Disable emulation |
BLACKLIST INFORMATION |
|
Type: | Configuration |
Format: | AT [cmds] %B [cmds] |
Description: | Displays numbers in blacklist |
COMPRESSION |
|
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command |
Function |
%C0 |
Data compression disabled |
%C1 |
V.42 and MNP5 enabled |
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 enabled |
\N1 |
Direct mode enabled |
\N2 |
MNP reliable mode enabled |
\N3 |
V.42/MNP auto-reliable mode enabled |
\N4 |
V.42 error control mode enabled |
\N5 |
V.42/MNP auto-reliable mode enabled |
\N7 |
V.42/MNP auto-reliable mode enabled |
EXTENDED RESULT CODES |
|
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects extended protocol result codes |
Command |
Function |
\V0 |
Extended result codes disabled |
\V1 |
Extended result codes enabled |
\V2 |
Extended result codes enabled |
FLOW CONTROL |
|
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control - dummy command for compatibility |
Command |
Function |
\G0 |
Report OK |
\G1 |
Reports ERROR |
FLOW CONTROL TYPE |
|
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
Command |
Function |
\Q0 |
Flow control disabled |
\Q1 |
Bi-directional XON/XOFF flow control enabled |
\Q2 |
CTS flow control by DCE enabled |
\Q3 |
Bi-directional RTS/CTS flow control enabled |
RING SIGNAL CONTROL |
|
Type: | Configuration |
Format: | AT [cmds] \Rn [cmds] |
Description: | Controls ring indicator signal compatibility command |
Command |
Function |
\R0 |
Ring indicator signal is off after call is answered |
Special AT Commands
DATA CALLING TONE |
|
Type: | Configuration |
Format: | AT [cmds] -Cn [cmds] |
Description: | Controls data calling tone |
Command |
Function |
-C0 |
Disable data calling tone |
-C1 |
Enable data calling tone |
S(status)-Registers
56K LINE SPEED |
|
Type: | Register |
Format | AT [cmds] S38=n [cmds] |
Description: | Sets the maximum downstream allowable data exchange rate attempted during handshake process. |
Command |
Function |
S38=0 |
Disable V.90 |
S38=1 |
Set to maximum speed |
S38=2 |
29333bps |
S38=3 |
30666bps |
S38=4 |
32000bps |
S38=5 |
33333bps |
S38=6 |
34666bps |
S38=7 |
36000bps |
S38=8 |
37333bps |
S38=9 |
38666bps |
S38=10 |
40000bps |
S38=11 |
41333bps |
S38=12 |
42666bps |
S38=13 |
44000bps |
S38=14 |
45333bps |
S38=15 |
46666bps |
S38=16 |
48000bps |
S38=17 |
49333bps |
S38=18 |
50666bps |
S38=19 |
52000bps |
S38=20 |
53333bps |
AUTO MODE |
|
Type: | Register |
Format: | AT [cmds] S43=n [cmds] |
Range: | 0-1 |
Unit: | ASCII |
Description: | Controls auto mode for testing and debugging |
Command |
Function |
S43=0 |
Disable auto mode |
S43=1 |
Enable auto mode |
AUTO RATE |
|
Type: | Register |
Format: | AT [cmds] S42=n [cmds] |
Range: | 0-1 |
Unit: | ASCII |
Description: | Controls auto rate for testing and debugging |
Command |
Function |
S42=0 |
Disable auto rate |
S42=1 |
Enable auto rate |
BIT-MAPPED REGISTER S14 |
||
Format: | AT [cmds] S14=n [cmds] | |
Range: | 0-174 | |
Unit: | Bit-mapped | |
Description: | Controls result codes and display and dial mode. | |
Bit |
Value |
Function |
0 - 2 |
0 |
Reserved |
3 |
0 1 |
Display result codes in
numeric format Display result codes in verbose format |
4, 5 |
0 |
Reserved |
6 |
0 1 |
10 pulse dial PPS 20 pulse dial PPS |
7 |
0 |
Reserved |
BIT-MAPPED REGISTER S21 |
||
Format | AT [cmds] S21=n [cmds] | |
Range: | 0-253 | |
Unit: | Bit-mapped | |
Description: | Selects CTS/DCD/DSR signals and low DTR action. | |
Bit |
Value |
Function |
0 - 2 |
0 |
Reserved |
4, 3 |
00 01 10 11 |
DTR signal ignored Modem goes to command mode on low DTR Modem disconnects on low DTR; Auto-Answer is disabled. Modem is initialized on low DTR |
5 |
0 1 |
DCD forced high DCD normal |
6 - 7 |
0 |
Reserved |
BIT-MAPPED REGISTER S22 |
||
Format | AT [cmds] S22=n [cmds] | |
Range: | 0-255 | |
Unit: | Bit-mapped | |
Description: | Controls limits results codes, and pulse dial make/break ratio. | |
Bit |
Value |
Function |
0 - 3 |
0 |
Reserved |
6 - 4 |
000 100 101 110 111 |
Basic result codes only
enabled Basic and connection speed result codes enabled Basic and connection speed result codes and dial tone detection enabled All result codes except dial tone detection enabled All result codes enabled |
7 |
0 1 |
33/67ms at 10pps (Europe) 39/61ms at 10pps (North America) |
BLIND DIALING DELAY |
|
Type: | Register |
Format | AT [cmds] S6=n [cmds] |
Range: | 2-65 |
Unit: | 1 second |
Description: | Duration of delay after modem goes off-hook and before dialing blindly during modes set by X0, X1 or X3 commands. |
CARRIER LOSS RESPONSE TIME |
|
Type: | Register |
Format | AT [cmds] S10=n [cmds] |
Range: | 1-254 |
Unit: | .1 second |
Description: | Maximum time allowed by the modem after losing the carrier signal and prior to initiating hang-up process. |
DATA CALLING TONE |
|
Type: | Register |
Format: | AT [cmds] S35=n [cmds] |
Range: | 0-1 |
Unit: | ASCII |
Description: | Controls data calling tone |
Command |
Function |
S35=0 |
Disables calling tone |
S35=1 |
Enables calling tone |
DCE LINE SPEED |
|
Type: | Register |
Format | AT [cmds] S37=n [cmds] |
Description: | Sets the maximum allowable data exchange rate attempted during handshake process. |
Command |
Function |
S37=0 |
Set to maximum speed |
S37=1 |
Reserved |
S37=2 |
1200/75bps |
S37=3 |
300bps |
S37=4 |
Reserved |
S37=5 |
1200bps |
S37=6 |
2400bps |
S37=7 |
4800bps |
S37=8 |
7200bps |
S37=9 |
9600bps |
S37=10 |
12.0Kbps |
S37=11 |
14.4Kbps |
S37=12 |
16.8Kbps |
S37=13 |
19.2Kbps |
S37=14 |
21.6Kbps |
S37=15 |
24.0Kbps |
S37=16 |
26.4Kbps |
S37=17 |
28.8Kbps |
S37=18 |
31.2Kbps |
S37=19 |
33.6Kbps |
ERROR CORRECTION NEGOTIATION |
|
Type: | Register |
Format | AT [cmds] S36=n [cmds] |
Description: | Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q. |
Command |
Function |
S36=0, 2 |
Hang up |
S36=1, 3 |
Attempt asynchronous connection |
S36=4, 6 |
Attempt MNP connection; disconnect (hang up) on MNP fail |
S36=5, 7 |
Attempt MNP connection; fallback to asynchronous connection on MNP fail |
ETC STARTUP SELECTION |
|
Type: | Register |
Format | AT [cmds] S40=n [cmds] |
Range: | 0-2 |
Unit: | ASCII |
Description: | Controls ETC setting at startup |
Command |
Function |
S40=0 |
Enable normal autorating |
S40=1 |
Enable 4800 or lower initial rate |
S40=2 |
Enable 9600 or lower initial rate |
FEATURE NEGOTIATION OPTIONS |
||
Type: | Register | |
Format: | AT [cmds] S48=n [cmds] | |
Description: | Selects active error correction and compression protocols | |
Command |
Function |
|
S48=7 |
Detection negotiation and XID negotiation enabled | |
S48=128 |
Fall-back to options set in S36 | |
Note: | The action each variant of S48 causes depends on the setting of S36 | |
S36 Setting |
S48=7 |
S48=128 |
S36=0, 2 |
Attempt LAPM or disconnect |
Reserved |
S36=1, 3 |
Attempt LAPM or asynchronous |
Asynchronous |
S36=4, 6 |
Attempt LAPM, MNP or disconnect |
MNP or disconnect |
S36=5, 7 |
Attempt LAPM, MNP or asynchronous |
MNP or asynchronous |
INACTIVITY TIMER | |
Type: | Register |
Format | AT [cmds] S30=n [cmds] |
Range: | 0-255 |
Unit: | 1 minute |
Description: | Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
Note: S30=0 disables the timer and allows indefinite inactivity. |
LOCAL PHONE STATUS | |
Type: | Immediate |
Format: | AT [cmds] S90 [cmds] |
Description: | Displays the status of the local phone |
Value |
Meaning |
0 |
Local phone is on-hook |
1 |
Local phone is off-hook |
NO CARRIER TIME-OUT | |
Type: | Register |
Format | AT [cmds] S7=n [cmds] |
Range: | 1-255 |
Unit: | 1 second |
Description: | Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls. |
Note: W dial modifier also uses S7 to set the maximum time to wait. |
PAUSE DURATION | |
Type: | Register |
Format | AT [cmds] S8=n [cmds] |
Range: | 0-65 |
Unit: | 1 second |
Description: | Duration of pause per comma (,) command used in a command or dial string |
PROTOCOL OPTIONS | |
Type: | Register |
Format | AT [cmds] S109=n [cmds] |
Range: | 0-2 |
Unit: | ASCII |
Description: | Designates the carrier speeds available for the V.34, K56flex and V.90 protocols during handshake, retrain, and speed re-negotiations. |
Command |
Function |
S109=0 |
Disables all 56K connections |
S109=1 |
Attempt K56flex; then V.90 connection |
S109=2 |
Enable V.90; disable K56flex |
SLEEP MODE TIMER | |
Type: | Register |
Format: | AT [cmds] S89=n [cmds] |
Range: | 0, 5-255 |
Unit: | 1 second |
Description: | Controls amount of time modem waits in off-line command mode before entering standby mode |
Command |
Function |
S89=0 |
Disable standby mode |
SLEEP TIMER | |
Type: | Register |
Format | AT [cmds] S24=n [cmds] |
Range: | 0,5-255 |
Unit: | 1 second |
Description: | Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. |
SYNTHETIC RING FREQUENCY | |
Type: | Register |
Format: | AT [cmds] S33=n [cmds] |
Range: | 0-5 |
Unit: | ASCII |
Description: | Controls frequency of synthetic ring |
Command |
Function |
S33=0 |
Disable synthetic ring |
S33=1 - 5 |
Sets ring frequency to range 1 - 5, respectively |
SYNTHETIC RING VOLUME | |
Type: | Register |
Format: | AT [cmds] S32=n [cmds] |
Range: | Unidentified |
Unit: | ASCII |
Description: | Controls volume of synthetic ring, in db |
TONE PULSE DURATION | |
Type: | Register |
Format | AT [cmds] S11=n [cmds] |
Range: | 50-150 |
Unit: | 1 ms |
Description: | DTMF tone pulse duration and time between tone pulses for tone dialing operations. |
TRANSMISSION LEVEL | |
Type | Register or Configuration |
Format | AT [cmds] S91=n [cmds] |
Range | 6-15 |
Unit | -1 dBm |
Description | Sets the signal level for transmission over leased-lines |
Note: | Command is only effective in Japan |
TRANSMISSION LEVEL - DIRECT CONNECT | |
Type | Register or Configuration |
Format | AT [cmds] S92=n [cmds] |
Range | Unidentified |
Unit | -1 dBm |
Description | Sets the signal level for transmission over a direct connect |
V.34 MODULATION | |
Format | AT [cmds] S28=n [cmds] |
Range: | 0-255 |
Unit: | ASCII |
Description: | Controls V.34 modulation |
Command |
Function |
S28=0 |
Disables V.34 modulation |
S28=1 - 255 |
Enables V.34 modulation |