DIGICOM SPA
SNT13
Card Type |
ISDN TA |
Chip Set |
Unidentified |
I/O Options |
ISDN interface via RJ-45 connector, reset |
ISDN Rate |
128Kbps |
ISDN Modulation Protocol |
V.110, V.120 |
Error Correction/Compression |
V.42bis |
Data Bus |
16-bit ISA |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
ISDN interface (RJ-45 connector) |
CN1 |
Reset |
P1 |
USER CONFIGURABLE SETTINGS | ||
Setting |
Label |
Position |
í Transmission channel in high impedence mode |
U4 |
Pins 2 & 3 closed |
Transmit termination set to 100Ohm |
U4 |
Pins 1 & 2 closed |
í Receive channel in high impedence mode |
U5 |
Pins 2 & 3 closed |
Receive termination set to 100Ohm |
U5 |
Pins 1 & 2 closed |
ADDRESS SELECTION | ||
Setting |
DS1/1 |
DS1/2 |
COM1 (3F8h) |
Off |
Off |
COM2 (2F8h) |
Off |
On |
COM3 (3E8h) |
On |
Off |
COM4 (2E8h) |
On |
On |
INTERRUPT SELECTION | ||||||
IRQ |
DS1/3 |
DS1/4 |
DS1/5 |
DS1/6 |
DS1/7 |
DS1/8 |
IRQ3 |
On |
Off |
Off |
Off |
Off |
Off |
IRQ4 |
Off |
On |
Off |
Off |
Off |
Off |
IRQ5 |
Off |
Off |
On |
Off |
Off |
Off |
IRQ10 |
Off |
Off |
Off |
Off |
On |
Off |
IRQ11 |
Off |
Off |
Off |
Off |
Off |
On |
SUPPORTED COMMAND SET (DIGITAL) |
Basic AT Commands |
AT, A/ |
E, Q, V, W |
&C, &Z |
S Registers |
S3, S4, S12, S25 |
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 |
Originate Mode |
N0 |
Connection established at speed specified by register S37. If the DTE rate is 38.4Kbps or higher, the speed is negotiated at 38.4Kbps |
í N1 |
Connection established at speed of last connection. If greater than 19.2Kbps, the connection will be established at 19.2Kbps |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Qn [cmds] |
Description: |
Selects communications mode options |
Command |
Mode |
&Q0 |
Buffered asynchronous mode |
&Q4 |
Direct mode (V.110) |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects communications mode options |
Command |
Mode |
&M0 |
Buffered asynchronous mode |
&M4 |
Direct mode (V.110) |
CONFIGURATION PROFILES | |
Type: |
Immediate |
Format: |
AT [cmds] &V [cmds] |
Description: |
Displays active and stored configuration profiles |
Command |
Function |
&V0 |
Displays the active profile, the 0 and 1 st user configuration and the first four stored numbers |
&V1 |
Displays the 2 nd and 3rd user configuration |
&V2 |
Displays every stored phone number |
&V3 |
Displays the supplementary services profile |
DATA COMPRESSION | |
Type: |
Immediate |
Format: |
AT [cmds] &Un |
Description: |
Selects data compression |
Command |
Function |
í &U0 |
Data compression disabled |
&U1 |
Error corrected data compression enabled (V.120) |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
í &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 |
í &D0 |
DTR override |
&D1 |
DTR toggle causes online command mode |
&D2 |
Normal DTR operations |
&D3 |
Resets on receipt of DTR |
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 |
DS=n |
Dial stored telephone number n (0-7) |
DT |
Call switched to digital interface |
DP |
Call switched to analog interface |
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 active profile the factory profile 0 |
&F1 |
Load active profile the factory profile 1 |
&F2 |
Load active profile the factory profile 2 |
&F3 |
Load active profile the factory profile 3 |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
&K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled. Modem does not transmit XON/XOFF characters received from computer to remote |
&K8 |
Unidirectional XON/XOFF flow control enabled |
&K12 |
XON/XOFF flow control enabled. Modem transmits XON/XOFF characters received from computer to remote |
&K16 |
V.110 XON/XOFF flow control enabled. Flow control between local and remote modems only. Flow control between modem and computer is disabled. |
&K20 |
V.110 XON/XOFF flow control enabled. |
HOOK CONTROL | |
Type: |
Immediate |
Format: |
AT [cmds] Hn [cmds] |
Description: |
Hangs up the TA from the ISDN network |
Command |
Function |
H0 |
Modem commanded to go on-hook (hang-up) |
ON-LINE | |
Type: |
Immediate |
Format: |
AT [cmds] On [cmds] |
Description: |
Controls on-line command (data transmission) state options. |
Command |
Function |
O0 |
On-line command mode with no retraining enabled |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays information requested |
Command |
Function |
I0 |
Reports model |
I1 |
Reports ROM checksum |
I2 |
Tests and reports ROM checksum |
I3 |
Reports revision level |
I4 |
Display central office |
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 |
Restore profile 1 on power-up |
&Y2 |
Restore profile 2 on power-up |
&Y3 |
Restore profile 3 on power-up |
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 |
Result codes 0 - 4 enabled. |
X1 |
Extended result codes enabled. |
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 |
Z2 |
Restore setting 2 |
Z3 |
Restore setting 3 |
STORE ACTIVE PROFILE | |
Type: |
Configuration |
Format: |
AT [cmds] &Wn [cmds] |
Description: |
Writes the values for the active profile into the non-volatile RAM |
Command |
Function |
&W0 |
Write the active profile to stored profile 0 |
&W1 |
Write the active profile to stored profile 1 |
&W2 |
Write the active profile to stored profile 2 |
&W3 |
Write the active profile to stored profile 3 |
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 B1 channel local digital loopback |
EXTENDED AT COMMAND SET
B-CHANNEL PROTOCOL | |
Type: |
Configuration |
Format: |
AT [cmds] %A2=n [cmds] |
Description: |
Determines rate adaptation protocol on B-channel |
Command |
Function |
í %A2=2 |
V.110 |
%A2=3 |
V.120 |
B-CHANNEL SELECTION | |
Type: |
Configuration |
Format: |
AT [cmds] %A3=n [cmds] |
Description: |
Selects data channel |
Command |
Function |
í %A3=2 |
B1 channel selected. If busy select B2 channel |
%A3=3 |
B1 channel selected. If busy initiate hang-up |
%A3=4 |
B2 channel selected. If busy select B1 channel |
%A3=5 |
B2 channel selected. If busy initiate hang-up |
CALLER ID | |
Type: |
Configuration |
Format: |
AT [cmds] *In [cmds] |
Description: |
Controls the Caller ID function |
Command |
Function |
*I0 |
Caller ID disabled |
*I1 |
Caller ID enabled |
COMMAND SET | |
Type: |
Configuration |
Format: |
AT [cmds] %Vn [cmds] |
Description: |
Selects command set |
Command |
Function |
%V0 |
AT command set |
%V1 |
Asynchronous V.25bis command set |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Description: |
Selects data compression |
Command |
Function |
%C0 |
Data compression disabled |
%C1 |
MNP5 enabled |
MULTISUBSCRIBER NUMBER | |
Type: |
Configuration |
Format: |
AT [cmds] *Mn [cmds] |
Description: |
Permits the association of a maximum of 8 consecutive numbers to a BRI access of the national plan number |
Command |
Function |
í *M0 |
MSN disabled |
*M1 |
MSN enabled |
RESET | |
Type: |
Configuration |
Format: |
AT [cmds] %Z1 [cmds] |
Description: |
Master reset and load the configuration specified by the &Y command |
STORE CALLER ID NUMBER | |
Type: |
Configuration |
Format: |
AT [cmds] !N1=n [cmds] |
Description: |
Stores telephone number n for the caller ID function. !N1=? displays the stored telephone number. |
STORE MULTISUBSCRIBER NUMBER | |
Type: |
Configuration |
Format: |
AT [cmds] !N2=n [cmds] |
Description: |
Stores own telephone number n for the MSN. !N2=? displays the stored multisubscriber number. |
STORE SUBADDRESS NUMBER | |
Type: |
Configuration |
Format: |
AT [cmds] !N3=n [cmds] |
Description: |
Stores subaddress field with a maximum of four numbers. !N3=? displays the stored subaddress field. |
SUBADDRESS | |
Type: |
Configuration |
Format: |
AT [cmds] *Sn [cmds] |
Description: |
Identifies address of called modem |
Command |
Function |
í *S0 |
Subaddress function disabled |
*S1 |
Subaddress function enabled |
S(status) REGISTERS
AUTO ANSWER RING COUNT | |
Type: |
Register |
Format |
AT [cmds] S0=n [cmds] |
Range: |
1-5 |
Unit: |
1 ring |
Description: |
Sets the number of rings allowed before the modem automatically goes off-hook |
Note: If S0=0, automatic-answering is disabled. The A command must be used to go off-hook. |
BACKSPACE CHARACTER | |
Type: |
Register |
Format |
AT [cmds] S5=n [cmds] |
Range: |
0-127 |
Unit: |
ASCII |
Description: |
Selects a character used for backspace <BS> |
BIT-MAPPED REGISTER S31 | ||||
Type: |
Register | |||
Format: |
AT [cmds] S31=n [cmds] | |||
Range: |
0-255 | |||
Description: |
Selects V.25bis command mode | |||
Bit |
Value |
Function | ||
1,0 |
í 0 |
V.25bis asynchronous mode | ||
3, 2 |
í 01 |
V.25bis disabled V.25bis enabled |
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, 255 |
Speed of last connection |
S37=4 |
600bps |
S37=5 |
1200bps |
S37=6 |
2400bps |
S37=15 |
4800bps |
S37=16 |
7200bps |
S37=17 |
9600bps |
S37=18 |
12.0Kbps |
S37=19 |
14.4Kbps |
S37=27 |
19.2Kbps |
S37=50 |
38.4Kbps |
ESCAPE CHARACTER | |
Type: |
Register |
Format |
AT [cmds] S2=n [cmds] |
Range: |
0-127 |
Unit: |
ASCII |
Description: |
Selects a character used for the escape sequence |
Note: A value greater than 127 will disable the escape sequence. |
FLOW CONTROL | ||
Type: |
Register | |
Format: |
AT [cmds] S49=n [cmds] | |
Description: |
Displays the value of the &K command, which specifies the DTE flow control setting | |
Command |
Function | |
S49=0 |
No DTE flow control | |
S49=3 |
RTS/CTS flow control enabled | |
S49=4 |
Bi-directional XON/XOFF flow control enabled | |
S49=5 |
Transparent bi-directional XON/XOFF flow control enabled |
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. |
POINTER FOR CALL-BACK AND AUTOLOGON | |
Type: |
Register |
Format |
AT [cmds] S34=n [cmds] |
Range: |
0-20, 255 |
Unit: |
Unidentified |
Description: |
Establishes the memory location accessed to initiate autologon or callback procedures. 20 will cause the phonebook to scroll. 255 disables function |
RING COUNT | |
Type: |
Register |
Format |
AT [cmds] S1 [cmds] |
Range: |
1-5 |
Unit: |
1 ring |
Description: |
Counts the number of ring-cycles the modem receives |
Note: S1 is reset to 0 if no ring is detected within an eight-second window. |