NETCOMM LIMITED
ROADSTER II 56 ULTRA SVD (AM5690)
Card Type |
Modem (asynchronous) |
Chip Set |
Unidentified |
Maximum Modem Rate |
56.0Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103/212A, ITU-T V.21, V.22, V.22bis, V.23, V>32, V.32bis, V.34, K56flex, V.90 |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression |
MNP5, MNP10, V.42, V.42bis |
Fax Class |
Class I |
Data Bus |
External |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
DC power |
CN1 |
Line in |
CN3 | |||
RS-232/422 |
CN2 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
TX/RX |
Green |
On |
Modem is transmitting/receiving data |
TX/RX |
Green |
Off |
Modem is not transmitting/receiving data |
TX/RX |
Green |
Blinking |
Modem is transmitting data to the local computer |
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 |
POWER |
Unidentified |
On |
Power is on |
POWER |
Unidentified |
Off |
Power is off |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, B, E, H, M, O, Q, V, W, Y, Z |
&C, &D, &R, &S, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \G, \K, \L, \N, \V |
%C, %L, %Q |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25, S29, S30, S32, S33, |
S38, S48, S82, S86, S95 |
Special Commands |
*H, -K, -Q, )M, @M, :E, +MS |
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 |
DS=n |
Dial stored telephone number n |
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^ |
Disable calling tones |
DJ |
Perform an MNP10 connection |
DK |
Enable power level adjustment during MNP10 connection |
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 |
I3 |
Reports ROM revision number |
I4 |
Displays Hayes compatible coded strings containing product and feature specific information |
I9 |
Displays the product ID and revision number |
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 |
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 |
Auto-mode detection disabled |
í N1 |
Auto-mode detection enabled |
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, 8, 33, 35, +F4 enabled. |
X1 |
Busy and dial tone detection disabled; result codes 0 - 5, 8-23, 33, 35, +F4 enabled. |
X2 |
Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6, 8-23, 33, 35, +F4 enabled. |
X3 |
Busy tone detection enabled, dial tone detection disabled; result codes 0 - 23, 33, 35, +F4 enabled. |
í X4 |
Busy and dial tone detection enabled; all result codes enabled. |
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 |
í &F0 |
Restore factory default profile 0 |
&F2 |
Restore factory default profile 1 |
GUARD TONE | |
Type: |
Configuration |
Format: |
AT [cmds] &Gn [cmds] |
Description: |
Commands the modem to transmit a guard tone in V.22/V.22bis |
Note: Used primarily for international data transmission | |
Command |
Function |
í &G0 |
Guard tone disabled |
&G2 |
1800Hz guard tone enabled |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
í &K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Qn [cmds] |
Description: |
Selects communications mode options |
Command |
Mode |
í &Q0 |
Asynchronous mode, serial port speed follows connect speed. |
&Q5 |
Error correction mode |
CONFIGURATION PROFILES | |
Type: |
Immediate |
Format: |
AT [cmds] &V [cmds] |
Description: |
Displays active and stored configuration profiles |
Command |
Mode |
í &V0 |
View active and stored command profiles |
&V1 |
Display last connection statistics |
Extended AT Command Set
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Description: |
Controls auto-retrain mode and fallback/fall-forward |
Command |
Function |
%E0 |
Auto-retrain disabled |
%E1 |
Auto-retrain enabled |
%E2 |
Auto-fallback/fall-forward enabled |
%E3 |
Auto-retrain enabled, hang-up when line quality reaches hang-up threshold |
V.42bis - COMPRESSION CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] #Cn [cmds] |
Description: |
Controls V.42bis data compression |
Command |
Function |
#C0 |
Calling tones disabled |
#C1 |
Calling tone controlled by dial modifier n |
MNP10 ENHANCED CELLULAR | |
Type: |
Configuration |
Format: |
AT [cmds] -SECn [cmds] |
Default: |
0 |
Range: |
10-30 |
Unit: |
-1 dBm |
Description: |
Sets the enhanced cellular function |