ELSA, INC.
TANGO 1000
Card Type | ISDN TA |
Chip Set | Unidentified |
I/O Options | Power connector, power switch, serial port, ISDN interface (RJ-45) |
ISDN Data Rate | 128Kbps |
ISDN Modulation Protocol | V.120, X.75, HDLC |
Error Correction/Compression | Unidentified |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
AC power connector | CN1 | ISDN interface (RJ-45 connector) | CN3 |
Serial port (8-pin mini-DIN) | CN2 | Power switch | SW1 |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Unidentified | On | Power is on |
PWR | Unidentified | Off | Power is off |
STS | Green | On | ISDN link is good |
STS | Green | Blinking | ISDN link negotiation in progress |
STS | Green | Off | ISDN link is broken |
LNE | Yellow | On | Connection is being established |
LNE | Yellow | Blinking (slow) | Incoming call is received, but incompatible with unit |
LNE | Yellow | Blinking (fast) | Incoming call not yet accepted |
LNE | Yellow | Off | Connection is broken |
TX | Unidentified | On | Device is receiving data from remote or DTE |
TX | Unidentified | Off | Device is not receiving data from remote or DTE |
RX | Unidentified | On | Device is transmitting data to remote or DTE |
RX | Unidentified | Off | Device not transmitting data to remote or DTE |
DTR | Unidentified | On | Terminal/computer ready for operation |
DTR | Unidentified | Off | Terminal/computer not ready for operation |
RTS | Unidentified | On | Sending device is enabled |
RTS | Unidentified | Off | Sending device is disabled |
CTS | Unidentified | On | Device ready to send data |
CTS | Unidentified | Off | Device not ready to send data |
DCD | Red | On | Network fax or connection established |
DCD | Green | On | Error correction fax or connection established |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT |
A, E, V |
&C, &F, &V |
Extended AT Commands |
\T, \X |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
DATA TERMINAL READY (DTR) | ||
Type: | Configuration | |
Format: | AT [cmds] &Dn [cmds] | |
Description: | Selects modem response to DTR | |
Command | Mode | |
&D0 | Ignore transition of DTR status | |
&D1 | Switch to command phase if DTR is off | |
í &D2 | Abort connection if DTR is off | |
&D3 | Abort connection and reinitialize | |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D<#> [cmds] |
Description: | Dials telephone number according to any modifiers included in the string |
HOOK CONTROL | |
Type: | Immediate |
Format: | AT [cmds] Hn [cmds] |
Description: | Selects whether the modem is on-hook or off-hook |
Command | Function |
H0 | Modem commanded to go on-hook (hang-up) |
H2 | Call rejected |
ON-LINE | |
Type: | Immediate |
Format: | AT [cmds] On [cmds] |
Description: | Transition to on-line status |
REACTION TO BUSY LINE/CONNECT MESSAGE | |
Type: | Configuration |
Format: | AT [cmds] Xn [cmds] |
Description: | Enables selection of tone detection and associated result code format options |
Command | Function |
X0 | Busy line reported with NO CARRIER |
X1 | Busy line reported with NO CARRIER |
X2 | Busy line reported with NO CARRIER |
X3 | Busy line reported with BUSY |
í X4 | Busy line reported with BUSY |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports product code in nnn format |
I1 | Reports ROM checksum |
I2 | Tests and reports ROM checksum |
I3 | Reports firmware version number and release date |
I4 | Reports current parameter settings |
I5 | Reports serial number |
I6 | Display product name |
I7 | Reports self-test result |
I9 | Reports plug & play ID text |
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) |
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 from ISDN terminal adapter enabled |
Q1 | Result code sending from ISDN terminal adapter disabled |
Q2 | Result code sending in answer mode disabled |
SOFT RESET | |
Type: | Immediate |
Format: | AT [cmds] Zn [cmds] |
Description: | Restores modem profiles previously saved in non-volatile RAM using the &W command. |
STORE ACTIVE PROFILE | |
Type: | Configuration |
Format: | AT [cmds] &Wn [cmds] |
Description: | Writes the values for the active profile into the non-volatile RAM |
Extended AT Command Set
DIAL STORED NUMBERS | |
Type: | Configuration |
Format: | AT [cmds] \Fn [cmds] |
Description: | Enables dialing of stored telephone numbers |
DISPLAY CURRENT SETTING | |
Type: | Immediate |
Format: | AT [cmds] \Sn [cmds] |
Description: | Displays current setting |
DSR/CTS CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Dn [cmds] |
Description: | Controls DSR and CTS lines |
Command | Function |
í \D0 | DSR and CTS forced high |
\D1 | DSR indicates B-channel switched through, CTS forced high |
\D2 | DSR forced high, CTS follows DCD |
\D3 | DSR indicates B-channel switched through, CTS follows DCD |
ERROR CORRECTION CONNECT MESSAGES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Determines the comprehensiveness of error correction CONNECT messages |
Command | Function |
\V0 | Extended result codes disabled |
\V1 | Identifies error corrected connections |
\V2 | Identifies error corrected connections and types |
í \V8 | Comprehensive CONNECT messages |
FIRMWARE VERSION | |
Type: | Immediate |
Format: | AT [cmds] %V [cmds] |
Description: | Displays firmware version of the ISDN TA on the monitor |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by TA |
Command | Function |
\Q0 | Flow control disabled |
\Q1 | Bi-directional XON/XOFF flow control enabled |
\Q2 | Unidirectional CTS flow control by DCE enabled |
í \Q3 | Bi-directional RTS/CTS flow control enabled |
\Q4 | Unidirectional XON/XOFF flow control by DCE enabled |
STORE NUMBERS | |
Type: | Configuration |
Format: | AT [cmds] \Pmn [cmds] |
Range: | m = 0-9 |
Description: | Up to ten ISDN numbers can be stored in NVRAM. Numbers n may have up to 36 characters |
STORED NUMBERS | |
Type: | Immediate |
Format: | AT [cmds] \F [cmds] |
Description: | Displays ISDN numbers stored with the /P or &Z commands |
Special Commands
AUTOMATIC DTR DIALING | |
Type: | Configuration |
Format: | AT [cmds] $Dn [cmds] |
Description: | Enables/disables automatic DTR dialing |
Command | Function |
$D0 | DTR dialing disabled |
$D1 | DTR dialing enabled |
B-CHANNEL PROTOCOL SELECTION | |
Type: | Configuration |
Format: | AT [cmds] $IBP=[cmds] |
Description: | Sets the B-channel protocol |
BLOCK DIAL NUMBERS | |
Type: | Configuration |
Format: | AT [cmds] $INCB=[cmds] |
Description: | Blocks dial numbers |
CHARGE INFORMATION | ||
Type: | Configuration | |
Format: | AT [cmds] $ICI=[cmds] | |
Description: | Controls charge information display and retention | |
$ICI? | Display charge information | |
$ICI=0,0 | Delete charge information | |
DATA BLOCK LENGTH | |
Type: | Configuration |
Format: | AT [cmds] $IDBS=[cmds] |
Description: | Sets the data block length |
D-CHANNEL PROTOCOL | |
Type: | Configuration |
Format: | AT [cmds] $IDP=[cmds] |
Description: | Sets the D-channel protocol |
DISPLAY CURRENT ISDN PARAMETERS | |
Type: | Configuration |
Format: | AT [cmds] $I(?)=[cmds] |
Description: | Display current ISDN parameters |
DISPLAY EAZ DIGIT | |
Type: | Configuration |
Format: | AT [cmds] $IEAZ=[cmds] |
Description: | Sets the EAZ terminal selection digit. Characters 0-9 will select digits 0-9, 10-19 will also select digits 0-9. 255 selects any digit for incoming calls, 0 for outgoing calls |
EXTENDED CONFIGURATION PROFILE | |
Type: | Configuration |
Format: | AT [cmds] *Wn [cmds] |
Description: | Saves extended configuration profile |
FIRMWARE UPLOAD | |
Type: | Configuration |
Format: | AT [cmds] $UPX [cmds] |
Description: | Uploads firmware in flash ROM |
INVALID ESCAPE MESSAGES | |
Type: | Configuration |
Format: | AT [cmds] *Qn [cmds] |
Description: | Enables/disables CONNECT message after invalid escape |
Command | Function |
í *Q0 | CONNECT message after invalid escape enabled |
*Q1 | CONNECT message after invalid escape disabled |
ISDN BIT RATE | |
Type: | Configuration |
Format: | AT [cmds] $IBR=[cmds] |
Description: | Sets the ISDN bit rate |
OUTGOING MSN | |
Type: | Configuration |
Format: | AT [cmds] $ICLI=[cmds] |
Description: | Sets the outgoing multiple subscriber number |
SERVICE CHARACTERISTICS FOR INCOMING CALLS | |
Type: | Configuration |
Format: | AT [cmds] $ISCI=[cmds] |
Description: | Sets service characteristics for incoming analog calls |
SERVICE CHARACTERISTICS FOR OUTGOING CALLS | |
Type: | Configuration |
Format: | AT [cmds] $ISCO=[cmds] |
Description: | Sets service characteristics for outgoing analog calls |
SET/DISPLAY ACCEPTED MSN | |
Type: | Configuration |
Format: | AT [cmds] $IMSN=[cmds] |
Description: | Limits acceptance to incoming calls with target multiple subscriber number |
STORE DIAL NUMBERS FOR USER GROUPS | |
Type: | Configuration |
Format: | AT [cmds] $ICLD=[cmds] |
Description: | Stores dial numbers for user groups |
VERBOSE CONNECT MESSAGES | |
Type: | Configuration |
Format: | AT [cmds] -Mn [cmds] |
Description: | Controls text of verbose CONNECT messages |
Command | Function |
í -M0 | Verbose CONNECT messages dependant on AT\V |
-M1 | Verbose CONNECT messages independent of AT\V |