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# ADTRAN
EXPRESS XR
Card Type ISDN TA
Chip Set Unidentified
I/O Options RJ-45 ISDN BRI U interface, 25-pin DTE
port, power
ISDN Rate 230.4Kbps
ISDN Modulation PPP
Protocol
Error Unidentified
Correction/Compression
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------+-------+--------------------------+-------|
| Power | CN1 | ISDN BRI interface | CN3 |
| | | (RJ-45) | |
|-----------------+-------+--------------------------+-------|
| 25-pin DTE port | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| î | SW1/1 | On |
|-------------------------------------+-------+--------------|
| 230.4Kbps | SW1/1 | Off |
|-------------------------------------+-------+--------------|
| î | SW1/2 | On |
|-------------------------------------+-------+--------------|
| Returns to factory default profile | SW1/2 | Off |
|-------------------------------------+-------+--------------|
| î | SW1/3 | Unidentified |
|-------------------------------------+-------+--------------|
| î | SW1/4 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+---------+----------+---------------------------------|
| TD | Green | On | Modem is transmitting data |
|-----+---------+----------+---------------------------------|
| TD | Green | Off | Modem is not transmitting data |
|-----+---------+----------+---------------------------------|
| RD | Green | On | Modem is receiving data |
|-----+---------+----------+---------------------------------|
| RD | Green | Off | Modem is not receiving data |
|-----+---------+----------+---------------------------------|
| B1 | Green | On | B-channel 1 data call connected |
|-----+---------+----------+---------------------------------|
| B1 | Amber | On | Loopback channel protocol test |
| | | | in progress on B-channel 1 |
|-----+---------+----------+---------------------------------|
| B1 | Amber | Blinking | Remote test originate on |
| | | | B-channel 1 |
|-----+---------+----------+---------------------------------|
| B1 | Green | Blinking | Attempting TEI registration on |
| | | (fast) | B-channel 1 |
|-----+---------+----------+---------------------------------|
| B1 | Green | Blinking | Attempting SPID registration on |
| | | (slow) | B-channel 1 |
|-----+---------+----------+---------------------------------|
| B1 | Green | Off | No activity on B-channel 1 |
|-----+---------+----------+---------------------------------|
| B2 | Green | On | B-channel 2 data call connected |
|-----+---------+----------+---------------------------------|
| B2 | Amber | On | Loopback channel protocol test |
| | | | in progress on B-channel 2 |
|-----+---------+----------+---------------------------------|
| B2 | Amber | Blinking | Remote test originate on |
| | | | B-channel 2 |
|-----+---------+----------+---------------------------------|
| B2 | Green | Blinking | Attempting TEI registration on |
| | | (fast) | B-channel 2 |
|-----+---------+----------+---------------------------------|
| B2 | Green | Blinking | Attempting SPID registration on |
| | | (slow) | B-channel 2 |
|-----+---------+----------+---------------------------------|
| B2 | Green | Off | No activity on B-channel 2 |
|-----+---------+----------+---------------------------------|
| PWR | Green | On | Power is on; link is |
| | | | established |
|-----+---------+----------+---------------------------------|
| PWR | Green | Blinking | Power is on; link is not |
| | | | established |
|-----+---------+----------+---------------------------------|
| PWR | Green | Off | Power is off |
+------------------------------------------------------------+
+---------------------------------------------------+
| SUPPORTED COMMAND SET |
|---------------------------------------------------|
| Basic AT Commands |
|---------------------------------------------------|
| AT, ‘+++’, A/ |
|---------------------------------------------------|
| A, E, Q, V |
|---------------------------------------------------|
| &R, &S |
|---------------------------------------------------|
| Extended AT Commands |
|---------------------------------------------------|
| \Q |
|---------------------------------------------------|
| S Registers |
|---------------------------------------------------|
| S0, S2, S3, S4, S5, S7, S12, S25 |
|---------------------------------------------------|
| Note: |
| |
| See MHI Help File for full command documentation. |
+---------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| CALLING NUMBER IDENTIFIERS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &N n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects far-end phone number to read if |
| | service is subscribed from telephone |
| | company |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &N0 | Number 1 |
|--------------+---------------------------------------------|
| &N1 | Number 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &C n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the DCD option is enabled |
| | or disabled |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &C0 | DCD enabled |
|--------------+---------------------------------------------|
| &C1 | DCD enabled after carrier signal detected |
|--------------+---------------------------------------------|
| &C2 | DCD disabled with local disconnect |
|--------------+---------------------------------------------|
| &C3 | DCD disabled with link down |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &D n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | DTR ignored |
|--------------+---------------------------------------------|
| &D1 | DTR drop causes online command mode |
|--------------+---------------------------------------------|
| &D2 | DTR drop causes modem to go on-hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Factory default: fallback to auto-protocol |
| | detection |
|--------------+---------------------------------------------|
| &F1 | Internet 64Kbps |
|--------------+---------------------------------------------|
| &F2 | Internet 128Kbps |
|--------------+---------------------------------------------|
| &F3 | Remote access 64Kbps |
|--------------+---------------------------------------------|
| &F4 | Remote access 128Kbps |
|--------------+---------------------------------------------|
| &F7 | Configures unit for 57.6Kbps async dial |
| | mode |
|--------------+---------------------------------------------|
| &F8 | Configures unit for 115.2Kbps async dial |
| | mode |
|--------------+---------------------------------------------|
| &F11 | Configures unit for FALLBACK |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HOOK CONTROL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] H n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem is on-hook or |
| | off-hook |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| H0 | Modem commanded to go on-hook (hang-up) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|---------------+--------------------------------------------|
| Format: | AT [cmds] O n [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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] I n [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports modem model ID |
|--------------+---------------------------------------------|
| I1 | Reports software version |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] X n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of tone detection and |
| | associated result code format options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | Simple CONNECT message |
|--------------+---------------------------------------------|
| X1 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X2 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X3 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X4 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X5 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X6 | CONNECT messages with bit rate |
|--------------+---------------------------------------------|
| X7 | CONNECT messages with bit rate |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Z n [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the &W command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &W n [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the values for the active profile |
| | into the non-volatile RAM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Z n =(phone # & modifiers) |
|--------------+---------------------------------------------|
| Description: | Writes selected telephone numbers into the |
| | non-volatile memory at location n |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Z0 | Stored telephone number 0 |
|--------------+---------------------------------------------|
| &Z1 | Stored telephone number 1 |
|--------------+---------------------------------------------|
| &Z2 | Stored telephone number 2 |
|--------------+---------------------------------------------|
| &Z3 | Stored telephone number 3 |
|--------------+---------------------------------------------|
| &Z4 | Stored telephone number 4 |
|--------------+---------------------------------------------|
| &Z5 | Stored telephone number 5 |
|--------------+---------------------------------------------|
| &Z6 | Stored telephone number 6 |
|--------------+---------------------------------------------|
| &Z7 | Stored telephone number 7 |
|--------------+---------------------------------------------|
| &Z8 | Stored telephone number 8 |
|--------------+---------------------------------------------|
| &Z9 | Stored telephone number 9 |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| CONFIGURATION MENU |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !V n [cmds] |
|--------------+---------------------------------------------|
| Description: | Views configuration menu |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DETECT MODEM |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Z n [cmds] |
|--------------+---------------------------------------------|
| Description: | Detects modem connected toExpress XRT |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTERNAL MODEM INTERFACE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _L n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables external modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| _L0 | External analog modem disabled |
|--------------+---------------------------------------------|
| _L1 | External analog modem enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISDN D-CHANNEL PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _S n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects network switch type |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| _S0 | AT&T 5ESS |
|--------------+---------------------------------------------|
| _S1 | Northern Telecom DMS-100 |
|--------------+---------------------------------------------|
| _S2 | National ISDN-1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS DELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] _D n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS control line delay |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| _D0 | 1ms |
|--------------+---------------------------------------------|
| _D1 | 18ms |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !S n [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays status buffer and link status |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !S0 | Displays status buffer |
|--------------+---------------------------------------------|
| !S1 | Displays link status |
+------------------------------------------------------------+
S(STATUS) -REGISTERS
+------------------------------------------------------------+
| AREA CODE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S67= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects area code location. Further |
| | information is unavailable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS BONDING |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S15= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-1 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Selects asynchronous bonding mathod |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| î | ADTRAN revision 0 |
|--------------+---------------------------------------------|
| S15=1 | Multi-vendor option |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOSPID |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S65= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables autospid determination |
| | feature |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| î | Autospid determination disabled |
|--------------+---------------------------------------------|
| S65=1 | Autospid determination enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14= n | |
| | [cmds] | |
|--------------+------------------| |
| Range: | Unidentified | |
|--------------+------------------| |
| Unit: | Bit-mapped | |
|--------------+------------------| |
| Description: | Controls echo, | |
| | result codes and | |
| | display, dial | |
| | mode, and | |
| | answer/originate | |
| | mode. | |
|--------------+------------------+--------------------------|
| Bit | Value | Function |
|--------------+------------------+--------------------------|
| 2 | 0 | Command echo disabled |
| | | |
| | 1 | Command echo enabled |
|--------------+------------------+--------------------------|
| 3 | 0 | Result codes enabled |
| | | |
| | 1 | Result codes disabled |
|--------------+------------------+--------------------------|
| 4 | 0 | Display result codes in |
| | | numeric format |
| | 1 | |
| | | Display result codes in |
| | | verbose format |
|--------------+------------------+--------------------------|
| 6, 5 | 0 | Not used |
|--------------+------------------+--------------------------|
| 7 | 0 | PPP ACCM spoofing |
| | | enabled |
| | 1 | |
| | | PPP ACCM spoofing |
| | | disabled |
|--------------+------------------+--------------------------|
| 8 | 0 1 | Ring indicator remains |
| | | on |
| | | |
| | | Ring indicator blinking |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22= | |
| | n [cmds] | |
|--------------+----------------| |
| Range: | Unidentified | |
|--------------+----------------| |
| Unit: | Bit-mapped | |
|--------------+----------------| |
| Description: | Limits results | |
| | codes | |
|--------------+----------------+----------------------------|
| Bit | Value | Function |
|--------------+----------------+----------------------------|
| 7 - 5 | 0 | Basic result codes only |
| | | enabled |
| | 1 | |
| | | Basic and connection speed |
| | | result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S94 |
|------------------------------------------------------------|
| Format: | AT [cmds] | |
| | S94= n | |
| | [cmds] | |
|--------------+--------------| |
| Range: | Unidentified | |
|--------------+--------------| |
| Unit: | Bit-mapped | |
|--------------+--------------| |
| Description: | Controls | |
| | tone | |
| | generation | |
|--------------+--------------+------------------------------|
| Bit | Value | Function |
|--------------+--------------+------------------------------|
| 0 | 0 | In-band tone generation from |
| | | ISDN switch |
| | 1 | |
| | | All tones generated locally |
|--------------+--------------+------------------------------|
| 1 | 0 | Warnings to POTS when |
| | | unavailable |
| | 1 | |
| | | Warning to POTS disabled |
|--------------+--------------+------------------------------|
| 7, 2 | 0 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TANULL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S44= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time the answering endpoint |
| | attempts to detect the Asynchronous BONDING |
| | negotiation pattern from the originating |
| | endpoint before aborting to clear channel |
| | mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TCID |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S45= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 5 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time both endpoints attempt to |
| | negotiate agreeable values for B-channels |
| | and channel capacities before deciding the |
| | Asynchronous BONDING call has failed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TXADD01 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S42= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 50 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time both endpoints wait for an |
| | additional call to be connected at the end |
| | of negotiation before deciding the |
| | Asynchronous BONDING call has failed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TXDEQ |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S43= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 50 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time both endpoints attempt to |
| | equalize the network delay between the |
| | B-channels before deciding the Asynchronous |
| | BONDING call has failed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TXFA |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S41= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time both endpoints attempt to |
| | detect the Asychronous BONDING frame |
| | pattern when a call is connected before |
| | deciding the Asynchronous BONDING call has |
| | failed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOND - TXINIT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S40= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Specifies time the originating endpoint |
| | attempts to detect the Asychronous BONDING |
| | negotiation pattern from the answering |
| | endpoint before deciding the Asynchronous |
| | BONDING call has failed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL SCREENING |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S58= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Screens incoming calls |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S58=0 | Answers any calls |
|--------------+---------------------------------------------|
| S58=1 | Answer only calls matching those stored in |
| | SN0 - SN9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL TYPE (DIAL) |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S53= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects call type in dial mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S53=0 | Speech |
|--------------+---------------------------------------------|
| S53=1 | Audio |
|--------------+---------------------------------------------|
| S53=2 | 56Kbps data mode |
|--------------+---------------------------------------------|
| S53=3 | 64Kbps data mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALL TYPE ROUTING |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S93= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines how an incoming call is routed |
| | when connected to a piont-to-point ISDN |
| | line |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S93=0 | Route all call types to DTE |
|--------------+---------------------------------------------|
| S93=1 | Route speech call types to POTS |
|--------------+---------------------------------------------|
| S93=2 | Route speech and audio call types to POTS |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHAP |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S118= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables challenge handshake |
| | authentication protocol |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S118=0 | CHAP enabled |
|--------------+---------------------------------------------|
| S118=32 | CHAP disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFERENCE ID |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S90= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects NI - 1 feature ID number for |
| | conferencing. See ISDN service provider for |
| | ID |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA BITS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S72= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects 7-bit or 8-bit character length |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S72=0 | 8-bits |
|--------------+---------------------------------------------|
| S72=1 | 7-bits |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the DCD option is enabled |
| | or disabled |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S33=0 | DCD enabled |
|--------------+---------------------------------------------|
| S33=1 | DCD enabled after carrier signal detected |
|--------------+---------------------------------------------|
| S33=2 | DCD disabled with local disconnect |
|--------------+---------------------------------------------|
| S33=3 | DCD disabled with link down |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S32=0 | DSR forced high |
|--------------+---------------------------------------------|
| S32=1 | DSR high only while modem is handshaking or |
| | connected |
|--------------+---------------------------------------------|
| S32=2 | DSR high only while modem is connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S34= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S34=0 | DTR ignored |
|--------------+---------------------------------------------|
| S34=1 | AT command mode on low DTR |
|--------------+---------------------------------------------|
| S34=2 | Dump ioncoming call on low DTR |
|--------------+---------------------------------------------|
| S34=4 | Hang up incoming call on low DTR |
|--------------+---------------------------------------------|
| S34=8 | Hang up ioutgoing call on low DTR |
|--------------+---------------------------------------------|
| S34=16 | Answer incoming call on high DTR |
|--------------+---------------------------------------------|
| S34=28 | Idle mode on low DTR |
|--------------+---------------------------------------------|
| S34=32 | Dial SN0 on high DTR |
|--------------+---------------------------------------------|
| S34=64 | Dial SN0 on DTR toggle |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE PARITY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S73= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects number of asynchronous data bits |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S73=0 | None |
|--------------+---------------------------------------------|
| S73=1 | Odd |
|--------------+---------------------------------------------|
| S73=2 | Even |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE RATE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S71= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DTE connector bit rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S71=3 | 1200bps |
|--------------+---------------------------------------------|
| S71=6 | 2400bps |
|--------------+---------------------------------------------|
| S71=8 | 4800bps |
|--------------+---------------------------------------------|
| S71=11 | 9600bps |
|--------------+---------------------------------------------|
| S71=15 | 19.2Kbps |
|--------------+---------------------------------------------|
| S71=17 | 38.4Kbps |
|--------------+---------------------------------------------|
| S71=20 | 57.6Kbps |
|--------------+---------------------------------------------|
| S71=23 | 115.2Kbps |
|--------------+---------------------------------------------|
| S71=25 | 230.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S75= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects asynchronous flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S75=0 | None |
|--------------+---------------------------------------------|
| S75=1 | XON/OFF from DTE controls DCE |
|--------------+---------------------------------------------|
| S75=2 | XON/OFF from DCE controls DTE |
|--------------+---------------------------------------------|
| S75=3 | Hardware flow control enabled |
|--------------+---------------------------------------------|
| S75=12 | Software flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISDN D-CHANNEL PROTOCOL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S52= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects network switch type |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S52=0 | AT&T 5ESS |
|--------------+---------------------------------------------|
| S52=1 | Northern Telecom DMS-100 |
|--------------+---------------------------------------------|
| S52=2 | National ISDN-1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISDN1 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S62= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets ISDN phone number string location 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISDN2 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S63= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets ISDN phone number string location 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PPP MODE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S27= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Determine single or multilink PPP operation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S27=0 | PPP enabled |
|--------------+---------------------------------------------|
| S27=1 | MLPPP enabled |
|--------------+---------------------------------------------|
| S27=2 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL TYPE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S54= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects rate adaptation protocol type |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S54=2 | Asynchronous BONDING |
|--------------+---------------------------------------------|
| S54=6 | V.120 |
|--------------+---------------------------------------------|
| S54=11 | FALLBACK |
|--------------+---------------------------------------------|
| S54=12 | PPP async-to-sync conversion |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE PASSWORD |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS77= n [cmds] |
|--------------+---------------------------------------------|
| Unit: | Decimal |
|--------------+---------------------------------------------|
| Description: | Selects numeric password string for remote |
| | configuration |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S31= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS control line delay |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S31=0 | 1ms |
|--------------+---------------------------------------------|
| S31=17 | 18ms |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S30= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS/CTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S30=0 | CTS follows RTS in data mode; RTS is |
| | ignored in command mode. |
|--------------+---------------------------------------------|
| S30=1 | CTS forced high, RTS is ignored. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPID1 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S60= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets SPID string location 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPID2 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S61= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets SPID string location 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STOP BITS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S74= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects number of asynchronous stop bits |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S74=0 | 1 stop bit |
|--------------+---------------------------------------------|
| S74=1 | 1.5 stop bit |
|--------------+---------------------------------------------|
| S74=2 | 2 stop bits |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STRING LOCATION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SS80 - SS89= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0 - 9 |
|--------------+---------------------------------------------|
| Description: | Selects stored number string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSFER ID |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S91= n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects NI - 1 feature ID number for |
| | transferring. See ISDN service provider for |
| | ID |
+------------------------------------------------------------+