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# ALPHA TELECOM, INC.
UTA120
Card Type ISDN TA
Chip Set Unidentified
I/O Options Power, ISDN BRI interface via RJ-45
connector, RJ-11 analog port (2),
ISDN U interface via RJ-11 connector,
9-pin data port
ISDN Rate 128Kbps
ISDN Modulation V.120, HDLC, PPP
Protocol
Error Unidentified
Correction/Compression
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Power | CN1 | ISDN U | CN5 |
| | | interface | |
| | | (RJ-11) | |
|----------------------------+---------+---------------+-----|
| Telephone line 1 (RJ-11) | CN2 | 9-pin serial | CN6 |
| | | port | |
|----------------------------+---------+---------------+-----|
| Telephone line 2 (RJ-11) | CN3 | Power switch | SW1 |
|----------------------------+---------+---------------+-----|
| ISDN BRI interface (RJ-45) | CN4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-------------------------------------+-------+--------------|
| Remote configuration enabled | SW1/1 | On |
|-------------------------------------+-------+--------------|
| Remote configuration disabled | SW1/1 | Off |
|-------------------------------------+-------+--------------|
| Local loopback enabled | SW1/2 | On |
|-------------------------------------+-------+--------------|
| Local loopback disabled | SW1/2 | Off |
|-------------------------------------+-------+--------------|
| Factory configured - do not alter | SW1/3 | Unidentified |
|-------------------------------------+-------+--------------|
| Factory configured - do not alter | SW1/4 | Unidentified |
|-------------------------------------+-------+--------------|
| Factory configured - do not alter | SW1/5 | Unidentified |
|-------------------------------------+-------+--------------|
| Forced software download enabled | SW1/6 | On |
|-------------------------------------+-------+--------------|
| Forced software download disabled | SW1/6 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S/T TERMINATION SELECTION |
|------------------------------------------------------------|
| Setting | SW1/7 | SW1/8 |
|-----------------------------+---------------+--------------|
| í 100Ohm resistance enabled | On | On |
|-----------------------------+---------------+--------------|
| Resistance disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+----------+---------------------------------|
| PWR | Green | On | Power is on |
|------+--------+----------+---------------------------------|
| PWR | Green | Off | Power is off |
|------+--------+----------+---------------------------------|
| LNE | Green | On | U interface active |
|------+--------+----------+---------------------------------|
| LNE | Red | On | U interface inactive |
|------+--------+----------+---------------------------------|
| TEL1 | Green | On | Analog connection is good on |
| | | | telephone line 1 |
|------+--------+----------+---------------------------------|
| TEL1 | Green | Blinking | Analog connection is being |
| | | | established on telephone line 1 |
|------+--------+----------+---------------------------------|
| TEL1 | Green | Off | Analog connection is broken on |
| | | | telephone line 1 |
|------+--------+----------+---------------------------------|
| TEL2 | Green | On | Analog connection is good on |
| | | | telephone line 2 |
|------+--------+----------+---------------------------------|
| TEL2 | Green | Blinking | Analog connection is being |
| | | | established on telephone line 2 |
|------+--------+----------+---------------------------------|
| TEL2 | Green | Off | Analog connection is broken on |
| | | | telephone line 2 |
|------+--------+----------+---------------------------------|
| DATA | Green | On | Network connection is good on |
| | | | B-channel 1 |
|------+--------+----------+---------------------------------|
| DATA | Green | Blinking | Network connection is being |
| | | | established on B-channel 1 |
|------+--------+----------+---------------------------------|
| DATA | Green | Off | Network connection is broken on |
| | | | B-channel 1 |
|------+--------+----------+---------------------------------|
| DATA | Red | On | Network connection is good on |
| | | | B-channel 2 |
|------+--------+----------+---------------------------------|
| DATA | Red | Blinking | Network connection is being |
| | | | established on B-channel 2 |
|------+--------+----------+---------------------------------|
| DATA | Red | Off | Network connection is broken on |
| | | | B-channel 2 |
|------+--------+----------+---------------------------------|
| 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 |
|------+--------+----------+---------------------------------|
| DTR | Green | On | Computer is ready |
|------+--------+----------+---------------------------------|
| DTR | Green | Off | Computer is not ready |
|------+--------+----------+---------------------------------|
| TST | Yellow | On | TA is conducting a test |
|------+--------+----------+---------------------------------|
| TST | Yellow | Off | TA is not conducting a test |
+------------------------------------------------------------+
+---------------------------------------------------------+
| SUPPORTED COMMAND SET |
|---------------------------------------------------------|
| Basic AT Commands |
|---------------------------------------------------------|
| AT, A/, ‘+++’ |
|---------------------------------------------------------|
| A, E, Q, V |
|---------------------------------------------------------|
| &C, &Z |
|---------------------------------------------------------|
| S Registers |
|---------------------------------------------------------|
| S0, S1, S2, S3, S4 |
|---------------------------------------------------------|
| |
|---------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+---------------------------------------------------------+
PROPRIETARY AT COMMAND SET
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active, stored, and system |
| | configuration profiles and analog port |
| | settings |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &V0 | Display active profile |
|--------------+---------------------------------------------|
| &V1 | Display user profile 1 |
|--------------+---------------------------------------------|
| &V2 | Display user profile 2 |
|--------------+---------------------------------------------|
| &V3 | Display system parameters and analog port |
| | settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | DTR override |
|--------------+---------------------------------------------|
| &D1 | DTR toggle causes online command mode |
|--------------+---------------------------------------------|
| í &D2 | Normal DTR operations |
|--------------+---------------------------------------------|
| &D3 | Resets on receipt of DTR |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
|--------------+---------------------------------------------|
| Note: | Any combination of modifiers can be used to |
| | produce the desired dial functions in |
| | sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DL | Re-dial last number |
|--------------+---------------------------------------------|
| DS=n | Dial stored telephone number n (0-3) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &F0 | Load active profile the factory profile 0 |
|--------------+---------------------------------------------|
| &F1 | Load active profile the factory profile 1 |
|--------------+---------------------------------------------|
| &F2 | Load active profile the factory profile 2 |
|--------------+---------------------------------------------|
| &F3 | Load active profile the factory profile 3 |
|--------------+---------------------------------------------|
| &F5 | Load active profile the factory profile 5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| í &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HOOK CONTROL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem is on-hook or |
| | off-hook |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| H0 | Modem commanded to go on-hook (hang-up) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LAST CALL INFORMATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports last call information |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &L0 | Reports information of last call on data |
| | port |
|--------------+---------------------------------------------|
| &L1 | Reports information of last call on |
| | telephone line 1 |
|--------------+---------------------------------------------|
| &L2 | Reports information of last call on |
| | telephone line 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] On [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls on-line command (data |
| | transmission) state options. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| O0 | On-line command mode with no retraining |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports maximum network rate |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Reserved |
|--------------+---------------------------------------------|
| I3 | Reports model ID and version number |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESTORE PROFILE ON POWER-UP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores a selected profile into the active |
| | profile on power-up (hard reset) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Y1 | Restore profile 1 on power-up |
|--------------+---------------------------------------------|
| &Y2 | Restore profile 2 on power-up |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of tone detection and |
| | associated result code format options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | CONNECT result codes are displayed in short |
| | form |
|--------------+---------------------------------------------|
| í X1 | CONNECT result codes are displayed in |
| | complete form |
|--------------+---------------------------------------------|
| X2 | VOICE and CONNECT result codes are |
| | displayed in complete form |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Zn [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the &W command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Z1 | Restore setting 1 |
|--------------+---------------------------------------------|
| Z2 | Restore setting 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the values for the active profile |
| | into the non-volatile RAM |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &W1 | Write the active profile to stored profile |
| | 1 |
|--------------+---------------------------------------------|
| &W2 | Write the active profile to stored profile |
| | 2 |
+------------------------------------------------------------+
EXTENDED AT COMMAND SET
+------------------------------------------------------------+
| B-CHANNEL SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %A3=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines which B-channel will be used for |
| | leased line connection |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %A3=1 | B1 channel |
|--------------+---------------------------------------------|
| %A3=2 | B2 channel |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA FORWARDING CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L3=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Defines specified characters as data |
| | forwarding characters |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %L3=0 | No data forwarding character selected |
|--------------+---------------------------------------------|
| í %L3=2 | Carriage return |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %A2=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines rate adaptation protocol on |
| | B-channel. %A2? Displays protocol type |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %A2=0 | HDLC transparent rate adaptation |
|--------------+---------------------------------------------|
| %A2=1 | Asynchronous-to-synchronous PPP protocol |
|--------------+---------------------------------------------|
| %A2=2 | Multi-link PPP |
|--------------+---------------------------------------------|
| %A2=3 | Asynchronous inverse mux |
|--------------+---------------------------------------------|
| %A2=5 | V.120 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDLE TIMER DELAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L4 [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | x 50ms |
|--------------+---------------------------------------------|
| Description: | Sets time delay between characters received |
| | from DTE. %L4=0 disables data forwarding on |
| | time-out |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NUMBERING PLAN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %A0=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines rate adaptation protocol on |
| | B-channel |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %A0=0 | Unknown |
|--------------+---------------------------------------------|
| %A0=1 | ISDN numbering plan selected |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| ANALOG PORT ATTRIBUTES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Bn=x[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets analog port attributes. n selects |
| | phone port, x selects attribute. !Bn=? |
| | queries the attribute of selected port. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !B1=0 | Telephone line 1 set to SPEECH |
|--------------+---------------------------------------------|
| !B1=1 | Telephone line 1 set to AUDIO |
|--------------+---------------------------------------------|
| !B2=0 | Telephone line 2 set to SPEECH |
|--------------+---------------------------------------------|
| !B2=1 | Telephone line 2 set to AUDIO |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BANDWIDTH RELEASE ON A VOICE CALL REQUEST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @M5=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables B-channel release during |
| | an MP session when there is a voice call |
| | request |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| @M5=0 | Bandwidth release on voice call request |
| | disabled |
|--------------+---------------------------------------------|
| í @M5=1 | Bandwidth release on voice call request |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACH/EKTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !E0=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Disables/enables CACH/EKTS. !E0? queries |
| | CACH/EKTS status |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !E0=0 | CACH/EKTS disabled |
|--------------+---------------------------------------------|
| !E0=1 | CACH/EKTS enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHAP ENCRYPTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @M3=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables CHAP password encryption |
| | protocol |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í @M3=0 | CHAP password encryption protocol disabled |
|--------------+---------------------------------------------|
| @M3=1 | CHAP password encryption protocol enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SPID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Cn=x [SPID#] |
|--------------+---------------------------------------------|
| Description: | Specifies port and data service profile |
| | identifier assigned by the ISDN provider. |
| | Cn? queries setting |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !C0 | Sets switch type |
|--------------+---------------------------------------------|
| !C6 | Sets SPID of data port 1 |
|--------------+---------------------------------------------|
| !C7 | Sets SPID of data port 2 |
|--------------+---------------------------------------------|
| !C8 | Sets SPID of telephone line 1 |
|--------------+---------------------------------------------|
| !C9 | Sets SPID of telephone line 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FEATURE KEYS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !F0=nx [cmds] |
|--------------+---------------------------------------------|
| Range: | n=0 - 255 |
|--------------+---------------------------------------------|
| Description: | Programs feature keys. !F0? queries feature |
| | keys |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !F0=n1 | Sets value for Conference Feature Key. |
| | Default value is 60 |
|--------------+---------------------------------------------|
| !F0=n2 | Sets value for Transfer Feature Key. |
| | Default value is 61 |
|--------------+---------------------------------------------|
| !F0=n3 | Sets value for Drop Feature Key. Default |
| | value is 62 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PERSIST TIME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @M9=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 5sec |
|--------------+---------------------------------------------|
| Description: | Sets the persist time to add or drop a |
| | second B-channel |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCREEN INCOMING CALLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Rn=x [cmds] |
|--------------+---------------------------------------------|
| Description: | Screens incoming calls for different ports |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| n=0 | Data port call screening |
|----------------+-------------------------------------------|
| n=1 | Analog telephone 1 call screening |
|----------------+-------------------------------------------|
| n=2 | Analog telephone 2 call screening |
|----------------+-------------------------------------------|
| í x=0 | All calls accepted on selected port |
|----------------+-------------------------------------------|
| x=1 | All calls rejected on selected port |
|----------------+-------------------------------------------|
| x=2 | Calls listed in the stored phone |
| | directory are accepted on selected port |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE DIRECTORY NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Nx=n [cmds] |
|--------------+---------------------------------------------|
| Range (n): | 0 - 24 |
|--------------+---------------------------------------------|
| Unit (n): | 0 - 9, *, # |
|--------------+---------------------------------------------|
| Description: | Store the directory number (n) for the port |
| | (x). !N? queries the stored directory |
| | numbers |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !N0=n | Store the self directory number of data |
| | port 1 |
|--------------+---------------------------------------------|
| !N1=n | Store the self directory number of analog |
| | telephone port 1 |
|--------------+---------------------------------------------|
| !N2=n | Store the self directory number of analog |
| | telephone port 2 |
|--------------+---------------------------------------------|
| !N3=n | Store the self directory number of data |
| | port 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !C0=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects network switch type. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| !C0=1 | AT&T 5ESS |
|--------------+---------------------------------------------|
| !C0=2 | AT&T or Siemens N1-1 |
|--------------+---------------------------------------------|
| !C0=3 | Northern Telecom DMS-100 |
|--------------+---------------------------------------------|
| !C0=4 | Northern Telecom NI-1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| THROUGHPUT THRESHOLD TO ADD A SECOND CHANNEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @M6=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-64 |
|--------------+---------------------------------------------|
| Unit: | Kbits/sec |
|--------------+---------------------------------------------|
| Description: | Defines the throughput threshold to add a |
| | second channel. |
|--------------+---------------------------------------------|
| Note: | If the throughput is under the threshold |
| | for a time defined by @M9 the B-channel |
| | will be released. If the throughput is |
| | above the threshold, a second call will be |
| | established and the TA will attempt to bind |
| | the two B-channels together. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| THROUGHPUT THRESHOLD TO RELEASE A SECOND CHANNEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @M8=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-64 |
|--------------+---------------------------------------------|
| Unit: | Kbits/sec |
|--------------+---------------------------------------------|
| Description: | Defines the throughput threshold to release |
| | a second channel. Persist time defined by |
| | @M9 |
+------------------------------------------------------------+
S(status) REGISTERS
+------------------------------------------------------------+
| BACKSPACE CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S5=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Selects a character used for backspace <BS> |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NO CARRIER TIME-OUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S7=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 1-50 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum wait time the modem uses after |
| | dialing to detect a carrier signal from the |
| | remote modem for both originating and |
| | answering calls. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE GUARD TIME |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S12=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | .1sec |
|--------------+---------------------------------------------|
| Description: | Maximum allowable time between escape |
| | character sequence initiation and |
| | completion for the escape sequence to be |
| | executed. A value of 0 disables guard time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CHANGE THRESHOLD |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S25=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 2 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | .2 second |
|--------------+---------------------------------------------|
| Description: | Sets maximum time a change in the DTR |
| | signal will be ignored |
+------------------------------------------------------------+