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# MULTI-TECH SYSTEMS, INC.
MT64ISDN/C
Card Type ISDN TA
Chip Set Unidentified
Transfer Rate 56Kbps/64Kbps x 2
Data Bus Unidentified
ISDN Protocols SAP, T-Link, V.120, PPP
Switch Types 5ESS, NI-1, DMS-100, NEC
Proprietary AT Command Set
V2158
+------------------------------------------------------------+
| AUTO-ANSWER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the TA can auto-answer |
| | incoming calls. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| _J0 | Auto-answer disabled. |
|-----------------------+------------------------------------|
| í _J1 | Auto-answer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-ANSWER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S0=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the TA can auto-answer |
| | incoming calls. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S0=0 | Auto-answer disabled. |
|---------------+--------------------------------------------|
| í S0=1 | Auto-answer enabled. |
|---------------+--------------------------------------------|
| S0=2 | Auto-answer enabled only when DTR is high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14=n [cmds] |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 60 |
|-----------------+------------------------------------------|
| Description: | Controls command echo, result codes, and |
| | serial port speed locking. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-----------+------------------------------------|
| 1-0 | 00 | Not used. |
|-----------+-----------+------------------------------------|
| 2 | 0 | Command echo enabled. |
| | | |
| | í 1 | Command echo disabled. |
|-----------+-----------+------------------------------------|
| 3 | í 0 | Result codes enabled. |
| | | |
| | 1 | Result codes disabled. |
|-----------+-----------+------------------------------------|
| 4 | 0 | Result codes in numeric form. |
| | | |
| | í 1 | Result codes in verbose form. |
|-----------+-----------+------------------------------------|
| 5 | 0 | Local serial port speed follows |
| | | connect speed. |
| | 1 | |
| | | Local serial port speed locked. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S59=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the TA will attempt to make |
| | a bonded call. |
|------------------------------------------------------------|
| Command | Function |
|-------------------------+----------------------------------|
| S59=3 | Call bonding disabled. |
|-------------------------+----------------------------------|
| S59=5 | Call bonding enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - ANSWERING TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S44=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time when answering a call that |
| | the TA will wait for the remote TA to send |
| | the bond negotiation before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - CAPACITY TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S45=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 5 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time that the TA will wait to |
| | agree with the remote TA on channel |
| | capacities before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - EQUALIZATION TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S43=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 50 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time that the TA will wait for the |
| | two channels of a bonded call to be |
| | equalized before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - FRAME PATTERN TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S41=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time that the TA will wait during |
| | the bond frame pattern before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - ORIGINATION TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S40=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time when originating a call that |
| | the TA will wait for the remote TA to send |
| | the bond negotiation before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BONDED CALL - SECOND CALL TIMEOUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S42=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 50 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the time that the TA will wait for the |
| | second call of a bonded call to be |
| | completed before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL TYPE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S53=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what type of call is to be made. |
|------------------------------------------------------------|
| Command | Function |
|--------------------------+---------------------------------|
| S53=0 | Speech call. |
|--------------------------+---------------------------------|
| S53=1 | Audio call. |
|--------------------------+---------------------------------|
| S53=2 | 56Kbps data call. |
|--------------------------+---------------------------------|
| S53=3 | 64Kbps data call. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the CD signal. |
|------------------------------------------------------------|
| Command | Function |
|------------------+-----------------------------------------|
| &C0 | CD forced high. |
|------------------+-----------------------------------------|
| &C1 | CD normal. |
|------------------+-----------------------------------------|
| &C2 | CD forced low on disconnect. |
|------------------+-----------------------------------------|
| &C3 | CD forced low when there is no |
| | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the CD signal. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S33=0 | CD forced high. |
|---------------+--------------------------------------------|
| S33=1 | CD normal. |
|---------------+--------------------------------------------|
| S33=2 | CD forced low on disconnect. |
|---------------+--------------------------------------------|
| S33=3 | CD forced low when there is no connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S76=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects where the TA derives the transmit |
| | clock. |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| S76=0 | TA uses internal clock source. |
|--------------------+---------------------------------------|
| í S76=1 | DTE generates clock source. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE - ISDN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects where the TA derives the ISDN U |
| | clock. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| _X0 | TA uses network as clock source. |
|-------------------+----------------------------------------|
| í _X1 | TA generates clock source. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE - ISDN |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S51=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects where the TA derives the ISDN U |
| | clock. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| S51=0 | TA uses network as clock source. |
|-------------------+----------------------------------------|
| í S51=1 | TA generates clock source. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the command set that will be used. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| _U0 | Command sets disabled. |
|-----------------------+------------------------------------|
| _U1 | AT command set enabled. |
|-----------------------+------------------------------------|
| _U2 | V.25bis command set enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET - AT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S55=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the command set that will be used. |
|------------------------------------------------------------|
| Command | Function |
|-------------------------+----------------------------------|
| S55=2 | AT command set enabled. |
|-------------------------+----------------------------------|
| S55=3 | AT command set disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT TIME |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S7=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-240 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Selects the amount of time the TA will wait |
| | for an outgoing call to connect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the CTS signal. |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| &R0 | CTS follows RTS. |
|----------------------------+-------------------------------|
| í &R1 | CTS forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS SIGNAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S30=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the CTS signal. |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| S30=0 | CTS follows RTS. |
|----------------------------+-------------------------------|
| í S30=1 | CTS forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the length of the data word. |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| _W0 | 7 bit word length. |
|------------------------+-----------------------------------|
| í _W1 | 8 bit word length. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S72=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the length of the data word. |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| S72=0 | 8 bit word length. |
|------------------------+-----------------------------------|
| í S72=1 | 7 bit word length. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA PARITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _On [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the format of the parity bit. |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| _O0 | Even parity. |
|----------------------------+-------------------------------|
| _O1 | Mark parity. |
|----------------------------+-------------------------------|
| _O2 | Odd parity. |
|----------------------------+-------------------------------|
| í _O3 | No parity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA PARITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S73=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the format of the parity bit. |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| í S73=0 | No parity. |
|----------------------------+-------------------------------|
| S73=1 | Odd parity. |
|----------------------------+-------------------------------|
| S73=2 | Even parity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA STOP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the number of stop bits. |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| _Q0 | One stop bit. |
|------------------------+-----------------------------------|
| í _Q1 | Two stop bits. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA STOP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S74=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the number of stop bits. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| S74=0 | One stop bit. |
|-------------------+----------------------------------------|
| S74=1 | One and a half stop bits. |
|-------------------+----------------------------------------|
| í S74=2 | Two stop bits. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL STORED NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] DTSn [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials the number stored in memory location |
| | n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CALLER ID |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Reads the remote TA’s telephone number. |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| &N1 | Reads the remote TA’s first SPID. |
|-----------------+------------------------------------------|
| &N2 | Reads the remote TA’s second SPID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS8n? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the number stored in memory |
| | location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR signal. |
|------------------------------------------------------------|
| Command | Function |
|------------------+-----------------------------------------|
| &S0 | DSR forced high. |
|------------------+-----------------------------------------|
| í &S1 | DSR normal. |
|------------------+-----------------------------------------|
| &S2 | DSR forced low when there is no |
| | connection. |
|------------------+-----------------------------------------|
| &S3 | DSR forced low in Dialup mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR signal. |
|------------------------------------------------------------|
| Command | Function |
|------------------+-----------------------------------------|
| S32=0 | DSR forced high. |
|------------------+-----------------------------------------|
| í S32=1 | DSR normal. |
|------------------+-----------------------------------------|
| S32=2 | DSR forced low when there is no |
| | connection. |
|------------------+-----------------------------------------|
| S32=3 | DSR forced low in Dialup mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL - TEST MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR signal |
| | when in a test mode. |
|------------------------------------------------------------|
| Command | Function |
|---------------------------+--------------------------------|
| í _C0 | DSR forced low. |
|---------------------------+--------------------------------|
| _C1 | DSR forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DTR signal. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &D0 | DTR forced high. |
|---------------+--------------------------------------------|
| &D1 | TA enters command mode when DTR goes low. |
|---------------+--------------------------------------------|
| &D2 | TA hangs up and returns to command mode |
| | when DTR goes low. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR SIGNAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S34=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DTR signal. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S34=0 | DTR forced high. |
|---------------+--------------------------------------------|
| S34=1 | TA enters command mode when DTR goes low. |
|---------------+--------------------------------------------|
| S34=2 | TA hangs up and returns to command mode |
| | when DTR goes low. |
|---------------+--------------------------------------------|
| S34=4 | TA hangs up on an incoming call and |
| | returns to command mode when DTR goes low. |
|---------------+--------------------------------------------|
| S34=8 | TA hangs up on an outgoing call and |
| | returns to command mode when DTR goes low. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO TONE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S56=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether an echo tone will be used. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| S56=0 | Echo tone disabled. |
|-------------------+----------------------------------------|
| S56=1 | Echo tone enabled on answer only. |
|-------------------+----------------------------------------|
| S56=2 | Echo tone enabled on originate only. |
|-------------------+----------------------------------------|
| S56=3 | Echo tone enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR COUNTER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Increments or clears the error counter for |
| | test modes. |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| _V0 | Clears the error counter. |
|-----------------+------------------------------------------|
| _V1 | Increments the error counter by |
| | introducing an error into the test |
| | pattern. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE - OUT OF BAND |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | <BREAK> AT [cmds]<CR> |
|--------------+---------------------------------------------|
| Description: | Puts the modem in Command Mode. |
|--------------+---------------------------------------------|
| Notes: | Do not precede this command with AT. |
| | |
| | <BREAK> refers to the hardware modem break |
| | signal. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the type of flow control that will |
| | be used. |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| í \Q0 | Flow control disabled. |
|--------------------+---------------------------------------|
| \Q1 | XON/XOFF flow control enabled. |
|--------------------+---------------------------------------|
| \Q2 | CTS flow control enabled. |
|--------------------+---------------------------------------|
| \Q3 | RTS/CTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INCOMING CALLS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S58=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects which calls the TA will answer. |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| S58=0 | All calls will be answered. |
|----------------+-------------------------------------------|
| S58=1 | Only calls from stored numbers will be |
| | answered. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LDN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects which LDN will be used. |
|------------------------------------------------------------|
| Command | Function |
|-------------------------+----------------------------------|
| _N0 | Select LDN 1. |
|-------------------------+----------------------------------|
| _N1 | Select LDN 2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LDN 1 SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS62=<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the first LDN. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LDN 2 SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS63=<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the second LDN. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the type of line the TA is |
| | connected to. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &L0 | Standard dial-out ISDN. |
|---------------+--------------------------------------------|
| &L1 | Leased-line ISDN. |
|---------------+--------------------------------------------|
| &L2 | Leased-line ISDN, dial backup enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S50=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the type of line the TA is |
| | connected to. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| S50=0 | Standard dial-out ISDN. |
|-----------------------+------------------------------------|
| S50=1 | Leased-line ISDN. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the speed of the serial port. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| %K0 | Selects 300bps speed. |
|-----------------------+------------------------------------|
| %K1 | Selects 1200bps speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S71=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the speed of the serial port. |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| S71=1 | Selects 300bps speed. |
|----------------------+-------------------------------------|
| S71=3 | Selects 1200bps speed. |
|----------------------+-------------------------------------|
| S71=6 | Selects 2400bps speed. |
|----------------------+-------------------------------------|
| S71=8 | Selects 4800bps speed. |
|----------------------+-------------------------------------|
| S71=11 | Selects 9600bps speed. |
|----------------------+-------------------------------------|
| S71=15 | Selects 19.2Kbps speed. |
|----------------------+-------------------------------------|
| S71=17 | Selects 38.4Kbps speed. |
|----------------------+-------------------------------------|
| S71=18 | Selects 48Kbps speed. |
|----------------------+-------------------------------------|
| S71=19 | Selects 56Kbps speed. |
|----------------------+-------------------------------------|
| S71=20 | Selects 57.6Kbps speed. |
|----------------------+-------------------------------------|
| S71=21 | Selects 64Kbps speed. |
|----------------------+-------------------------------------|
| S71=22 | Selects 112Kbps speed. |
|----------------------+-------------------------------------|
| S71=23 | Selects 115.2Kbps speed. |
|----------------------+-------------------------------------|
| S71=24 | Selects 128.8Kbps speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT SPEED - T-LINK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the TA will negotiate the |
| | serial port speed when using the T-Link |
| | protocol. |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| L0 | Serial port speed locked. |
|-----------------+------------------------------------------|
| í L1 | TA will negotiate serial port speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOOPBACK TEST |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S57=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what types of loopback tests the TA |
| | will use. |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| S57=0 | Loopback testing disabled. |
|-----------------+------------------------------------------|
| S57=1 | TA will perform DDS latching loopback |
| | test. |
|-----------------+------------------------------------------|
| S57=2 | TA will perform V.54 loopback test. |
|-----------------+------------------------------------------|
| S57=3 | TA will perform V.54 and DDS latching |
| | loopback tests. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRODUCT ID |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S78=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the Product ID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S54=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what type of protocol the TA will |
| | use. |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| S54=1 | TA will use clear channel. |
|----------------+-------------------------------------------|
| S54=2 | TA will use Bonding Mode 1. |
|----------------+-------------------------------------------|
| S54=3 | TA will use SAP. |
|----------------+-------------------------------------------|
| S54=4 | TA will use T-Link. |
|----------------+-------------------------------------------|
| S54=6 | TA will use V.120. |
|----------------+-------------------------------------------|
| S54=9 | TA will use 57.6Kbps asynchronous. |
|----------------+-------------------------------------------|
| S54=11 | TA will fall back to common protocol. |
|----------------+-------------------------------------------|
| S54=12 | TA will use PPP. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESET TO FACTORY DEFAULTS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Resets the TA’s configuration to one of the |
| | factory default setups. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &F0 | Resets to default configuration. |
|---------------+--------------------------------------------|
| &F1 | Resets to 56Kbps synchronous setup. |
|---------------+--------------------------------------------|
| &F2 | Resets to 64Kbps synchronous setup. |
|---------------+--------------------------------------------|
| &F3 | Resets to 112Kbps synchronous setup. |
|---------------+--------------------------------------------|
| &F4 | Resets to 128Kbps synchronous setup. |
|---------------+--------------------------------------------|
| &F5 | Resets to 128Kbps leased-line setup. |
|---------------+--------------------------------------------|
| &F6 | Resets to 128Kbps LDM Master setup. |
|---------------+--------------------------------------------|
| &F7 | Resets to 57.6Kbps asynchronous setup. |
|---------------+--------------------------------------------|
| &F8 | Resets to 115.2Kbps asynchronous setup. |
|---------------+--------------------------------------------|
| &F9 | Resets to 57.6Kbps asynchronous setup with |
| | fallback. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES - SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S22=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether CONNECT messages will |
| | display connect speed. |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| S22=0 | Speed will not be displayed. |
|-------------------+----------------------------------------|
| S22=224 | Speed will be displayed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the delay when CTS follows RTS. |
|------------------------------------------------------------|
| Command | Function |
|--------------------------+---------------------------------|
| í _D0 | Set delay to 1ms. |
|--------------------------+---------------------------------|
| _D1 | Set delay to 18ms. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S31=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the delay when CTS follows RTS. |
|------------------------------------------------------------|
| Command | Function |
|--------------------------+---------------------------------|
| í S31=0 | Set delay to 1ms. |
|--------------------------+---------------------------------|
| S31=1 | Set delay to 18ms. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _In [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects which SPID will be used. |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| _I0 | Select SPID 1. |
|------------------------+-----------------------------------|
| _I1 | Select SPID 2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPID 1 SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS60=<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the first SPID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPID 2 SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS61=<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the second SPID. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE NUMBER IN MEMORY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS8n=<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Stores a number in memory location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what type of switch the TA is |
| | connected to. |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| _S0 | 5ESS switch type. |
|---------------------+--------------------------------------|
| _S1 | DMS100 switch type. |
|---------------------+--------------------------------------|
| _S2 | National type 1 switch. |
|---------------------+--------------------------------------|
| _S3 | NEC switch type. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S52=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what type of switch the TA is |
| | connected to. |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| S52=0 | 5ESS switch type. |
|---------------------+--------------------------------------|
| S52=1 | DMS100 switch type. |
|---------------------+--------------------------------------|
| S52=2 | National type 1 switch. |
|---------------------+--------------------------------------|
| S52=3 | NEC switch type. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNC/ASYNC MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects synchronous or asynchronous mode. |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| &Q0 | Selects asynchronous mode. |
|----------------------+-------------------------------------|
| &Q2 | Selects synchronous mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNC/ASYNC MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S70=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects synchronous or asynchronous mode. |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| S70=0 | Selects asynchronous mode. |
|----------------------+-------------------------------------|
| S70=2 | Selects synchronous mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Puts the TA into test modes. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &T0 | Ends test in progress. |
|---------------+--------------------------------------------|
| &T1 | Displays all test errors. |
|---------------+--------------------------------------------|
| &T2 | Displays totals on tests. |
|---------------+--------------------------------------------|
| &T3 | Begins local loopback test. |
|---------------+--------------------------------------------|
| &T4 | Begins network loopback test. |
|---------------+--------------------------------------------|
| &T5 | Begins protocol loopback test. |
|---------------+--------------------------------------------|
| &T6 | Begins remote loopback test. |
|---------------+--------------------------------------------|
| &T7 | Begins remote test. |
|---------------+--------------------------------------------|
| &T8 | Denies request for remote loopback test. |
|---------------+--------------------------------------------|
| &T9 | Grants request for remote loopback test. |
|---------------+--------------------------------------------|
| &T10 | Grants request for remote V.54 loopback |
| | test. |
|---------------+--------------------------------------------|
| &T11 | Grants request for remote DDS latching and |
| | V.54 loopback test. |
|---------------+--------------------------------------------|
| &T12 | Displays near- and far-end block error |
| | information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST STATUS |
|------------------------------------------------------------|
| Type: | Register (Read-only) |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S49? [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports the status of the self-test. |
|------------------------------------------------------------|
| Value | Meaning |
|----------------+-------------------------------------------|
| 0 | Self-test passed. |
|----------------+-------------------------------------------|
| 1 | Self-test detected an error in ROM. |
|----------------+-------------------------------------------|
| 2 | Self-test detected an error in RAM. |