(TXT) View Source
# E-TECH RESEARCH, INC.
UFOMATE P1496MX (REV. 1)
Card Type Modem(asynchronous)
Chip Set Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 9600bps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | CN1 | Power in | CN4 |
|---------------------------+----------+--------------+------|
| Line out | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| TXD | Red | On | Modem is transmitting data |
|-----+-------+--------+-------------------------------------|
| TXD | Red | Off | Modem is not transmitting data |
|-----+-------+--------+-------------------------------------|
| RXD | Red | On | Modem is receiving data |
|-----+-------+--------+-------------------------------------|
| RXD | Red | Off | Modem is not receiving data |
|-----+-------+--------+-------------------------------------|
| DCD | Red | On | Carrier signal detected |
|-----+-------+--------+-------------------------------------|
| DCD | Red | Off | Carrier signal not detected |
|-----+-------+--------+-------------------------------------|
| LB | Red | On | Battery is low (ten minutes power |
| | | | remaining) |
|-----+-------+--------+-------------------------------------|
| LB | Red | Off | Normal operation |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14=n [cmds] |
|----------------+-------------------------------------------|
| Default: | Read only |
|----------------+-------------------------------------------|
| Range: | 0 - 255 |
|----------------+-------------------------------------------|
| Description: | Displays echo canceler, answer/originate, |
| | remote digital loopback, dial interrupt, |
| | buffer size |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+--------+-----------------------------------------|
| 0 | 0 | Not used |
|------------------------------------------------------------|
| 1 | 0 | Standard canceler enabled |
| | | |
| | 1 | Long canceler for round trip delays |
| | | of over 36.833ms enabled |
|-------------+------+---------------------------------------|
| 2 | 0 | Answer mode |
| | | |
| | 1 | Originate mode |
|-------------+------+---------------------------------------|
| 3 | 0 | Remotely requested remote digital |
| | | loopback disabled |
| | 1 | |
| | | Remotely requested remote digital |
| | | loopback enabled |
|-------------+------+---------------------------------------|
| 4 | 0 | Not used |
|-------------+------+---------------------------------------|
| 5 | 0 | Dial interrupt disabled |
| | | |
| | 1 | Dial interrupt enabled |
|-------------+------+---------------------------------------|
| 6 | 0 | Normal (2.2K)buffer size |
| | | |
| | 1 | Small (1.5K)buffer |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format: | AT [cmds] S21=n [cmds] |
|------------------+-----------------------------------------|
| Default: | 0 |
|------------------+-----------------------------------------|
| Range: | 0 - 255 |
|------------------+-----------------------------------------|
| Description: | Controls speed conversion and flow |
| | control |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 3. 2, 1, 0 | í 0000 | Speed conversion enabled |
| | | |
| | 0001 | Speed conversion disabled |
| | | |
| | 0010 | Speed conversion disabled |
| | | |
| | 0011 | Speed conversion disabled |
| | | |
| | 0100 | Speed conversion disabled |
| | | |
| | 0101 | Speed conversion disabled |
| | | |
| | 0110 | Speed conversion disabled |
| | | |
| | 0111 | Speed conversion disabled |
| | | |
| | 1000 | Speed conversion disabled |
|--------------+-----------+---------------------------------|
| 7, 6, 5, 4 | í 0000 | XON/XOFF enabled |
| | | |
| | 0001 | XON/XOFF passthrough enabled |
| | | |
| | 0010 | ENQ/ACK enabled |
| | | |
| | 0011 | DTR/DSR enabled |
| | | |
| | 0100 | CTS/RTS enabled |
| | | |
| | 0101 | Flow control disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format: | AT [cmds] S22=n [cmds] |
|------------------+-----------------------------------------|
| Default: | 4 |
|------------------+-----------------------------------------|
| Range: | 0 - 255 |
|------------------+-----------------------------------------|
| Description: | Controls speaker and extended result |
| | codes |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 3, 2, 1, 0 | 0000 | Disabled |
| | | |
| | 0001 | Enable extended result codes |
| | | |
| | 0010 | Enable extended result codes and |
| | | dial tone detect |
| | 0011 | |
| | | Enable extended result codes and |
| | í | busy signal detect |
| | 0100 | |
| | | Enable dial tone detect and busy |
| | | signal detect |
|---------------+------+-------------------------------------|
| 7, 6, 5, 4 | 0000 | Speaker disabled |
| | | |
| | 0001 | Speaker disabled until DCD high |
| | | |
| | 0010 | Speaker enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format: | AT [cmds] S23=n [cmds] |
|------------------+-----------------------------------------|
| Default: | 0 |
|------------------+-----------------------------------------|
| Range: | 0 -255 |
|------------------+-----------------------------------------|
| Description: | Controls test options, serial port |
| | speed, parity and guard tone |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 7, 6, 5, 4 | 0000 | Guard tone disabled |
| | | |
| | 0001 | 550Hz guard tone enabled |
| | | |
| | 0010 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format: | AT [cmds] S28=n [cmds] |
|-------------------+----------------------------------------|
| Default: | 49 |
|-------------------+----------------------------------------|
| Range: | 0 - 255 |
|-------------------+----------------------------------------|
| Description: | Controls speaker and error correction |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+--------+--------------------------------------|
| 3, 2, 1, 0 | 0000 | Speaker disabled |
| | | |
| | í 0001 | Speaker disabled until DCD high |
| | | |
| | 0010 | Speaker enabled |
| | | |
| | 0011 | Speaker while dialing until DCD high |
|------------------------------------------------------------|
| 7, 6, 5, 4 | 0000 | Normal mode |
| | | |
| | 0001 | Auto MNP mode |
| | | |
| | 0010 | MNP mode |
| | | |
| | í 0011 | Auto V.42 mode |
| | | |
| | 0100 | LAPM mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S29 |
|------------------------------------------------------------|
| Format: | AT [cmds] S29=n [cmds] |
|-------------------+----------------------------------------|
| Default: | 0 |
|-------------------+----------------------------------------|
| Range: | 0 - 255 |
|-------------------+----------------------------------------|
| Description: | Controls DTR and carrier control |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+--------+--------------------------------------|
| 3, 2, 1, 0 | 0000 | DTR ignored |
| | | |
| | 0001 | Escape command state on low DTR, |
| | | remain off hook |
| | 0010 | |
| | | Go on hook and auto answer disabled |
| | 0011 | |
| | | Reset on low DTR |
|------------------------------------------------------------|
| 7, 6, 5, 4 | 0000 | DCD forced high |
| | | |
| | 0001 | DCD follows remote modem |
| | | |
| | 0010 | Conforms to Computer Systems |
| | | Interface |
| | 0011 | |
| | | Conforms to Port Contender |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUFFER SIZE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls buffer size |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| í $B0 | Normal buffer size (2.2K) |
|----------------+-------------------------------------------|
| $B1 | Reduce buffer size to 1.5K |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CANCELER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls echo canceler length |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| $A0 | Standard canceler enabled |
|---------------+--------------------------------------------|
| í $A1 | Long canceler for round trip delays of |
| | over 36.833ms enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER DETECT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DCD, Computer Systems Interface |
| | and Port Contender |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í &C0 | DCD forced high |
|---------------+--------------------------------------------|
| &C1 | DCD follows remote modem |
|---------------+--------------------------------------------|
| &C2 | Conforms to Computer Systems Interface |
|---------------+--------------------------------------------|
| &C3 | Conforms to Port Contender |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls data compression |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| $C0 | Data compression disabled |
|----------------+-------------------------------------------|
| í $C1 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT/SPEED MESSAGE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls connect and speed message |
| | displayed |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| $X0 | Normal connect and DCE speed message |
| | enabled |
|---------------+--------------------------------------------|
| $X1 | Normal connect and DTE speed message |
| | enabled |
|---------------+--------------------------------------------|
| í $X2 | Extended connect and DCE speed message |
| | enabled |
|---------------+--------------------------------------------|
| $X3 | Extended connect and DTE speed message |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL INTERRUPT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls dial interrupt |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| $K0 | Dial interrupt disabled |
|----------------+-------------------------------------------|
| í $K1 | Dial interrupt enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED INFORMATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays stored phone numbers, |
| | configuration profiles and S registers |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| &V0 | Display stored phone numbers |
|---------------+--------------------------------------------|
| &V1 | Display current configuration profiles |
|---------------+--------------------------------------------|
| &V2 | Display contents of S registers |
|---------------+--------------------------------------------|
| &V3 | Display stored profiles briefly |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL |
|------------------------------------------------------------|
| Format: | AT [cmds] S27=n [cmds] |
|------------------+-----------------------------------------|
| Default: | 0 |
|------------------+-----------------------------------------|
| Range: | 0 - 255 |
|------------------+-----------------------------------------|
| Description: | Controls DSR signal |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 7 | í | DSR forced high |
| | 0000 | |
| | | DSR follows remote modem |
| | 0001 | |
| | | Conforms to Computer Systems |
| | 0010 | Interface |
| | | |
| | 0011 | Conforms to Port Contender |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EQUALIZATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls compromise equalization |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| $Q0 | 0dB equalization |
|----------------------+-------------------------------------|
| $Q1 | 2dB equalization |
|----------------------+-------------------------------------|
| í $Q2 | 4dB equalization |
|----------------------+-------------------------------------|
| $Q3 | 6dB equalization |
|----------------------+-------------------------------------|
| $Q4 | 8dB equalization |
|----------------------+-------------------------------------|
| $Q5 | 10dB equalization |
|----------------------+-------------------------------------|
| $Q6 | 12dB equalization |
|----------------------+-------------------------------------|
| $Q7 | 14dB equalization |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls XON/XOFF, ENQ/ACK, DTR/DSR and |
| | CTS/RTS flow control |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| $F0 | XON/XOFF enabled |
|--------------------+---------------------------------------|
| $F1 | XON/XOFF passthrough enabled |
|--------------------+---------------------------------------|
| $F2 | ENQ/ACK enabled |
|--------------------+---------------------------------------|
| $F3 | DTR/DSR enabled |
|--------------------+---------------------------------------|
| í $F4 | CTS/RTS enabled |
|--------------------+---------------------------------------|
| $F5 | Flow control disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type | Configuration |
|-------------+----------------------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|-------------+----------------------------------------------|
| Default | 0 |
|-------------+----------------------------------------------|
| Range | 0 - 255 |
|-------------+----------------------------------------------|
| Unit | 1 minute |
|-------------+----------------------------------------------|
| Description | Sets length of time the modem waits before |
| | disconnect if no data sent or received |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speed at which modem attempts to |
| | connect |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í S37=0 | Line speed follows DTE speed. If DTE is |
| | over 9600bps, attempt connect at 14.4Kbps |
|---------------+--------------------------------------------|
| S37=1 | Connect at V.23 75/1200bps |
|---------------+--------------------------------------------|
| S37=2 | Not used |
|---------------+--------------------------------------------|
| S37=3 | Connect at 300bps |
|---------------+--------------------------------------------|
| S37=4 | Not used |
|---------------+--------------------------------------------|
| S37=5 | Connect at 1200bps |
|---------------+--------------------------------------------|
| S37=6 | Connect at 2400bps |
|---------------+--------------------------------------------|
| S37=7 | Connect at 4800bps |
|---------------+--------------------------------------------|
| S37=8 | Not used |
|---------------+--------------------------------------------|
| S37=9 | Connect at 9600bps |
|---------------+--------------------------------------------|
| S37=10 | Not used |
|---------------+--------------------------------------------|
| S37=11 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speed at which modem attempts to |
| | connect |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í &L0 | Line speed follows DTE speed. If DTE is |
| | over 9600bps, attempt connect at 14.4Kbps |
|---------------+--------------------------------------------|
| &L1 | Connect at V.23 75/1200bps |
|---------------+--------------------------------------------|
| &L2 | Not used |
|---------------+--------------------------------------------|
| &L3 | Connect at 300bps |
|---------------+--------------------------------------------|
| &L4 | Not used |
|---------------+--------------------------------------------|
| &L5 | Connect at 1200bps |
|---------------+--------------------------------------------|
| &L6 | Connect at 2400bps |
|---------------+--------------------------------------------|
| &L7 | Connect at 4800bps |
|---------------+--------------------------------------------|
| &L8 | Not used |
|---------------+--------------------------------------------|
| &L9 | Connect at 9600bps |
|---------------+--------------------------------------------|
| &L10 | Not used |
|---------------+--------------------------------------------|
| &L11 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARITY |
|------------------------------------------------------------|
| Format: | AT [cmds] S30=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 255 |
|----------------+-------------------------------------------|
| Description: | Controls parity |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1, 0 | 00 | Parity even |
| | | |
| | 01 | Parity space |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | Parity null |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls protocol used |
|------------------------------------------------------------|
| Command | Function |
|-------------------+----------------------------------------|
| $E0 | Normal mode |
|-------------------+----------------------------------------|
| $E1 | Auto MNP mode |
|-------------------+----------------------------------------|
| $E2 | MNP mode |
|-------------------+----------------------------------------|
| í $E3 | Auto V.42 mode |
|-------------------+----------------------------------------|
| $E4 | LAPM mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRAIN |
|------------------------------------------------------------|
| Format: | AT [cmds] S15=n [cmds] |
|------------------+-----------------------------------------|
| Default: | 5 |
|------------------+-----------------------------------------|
| Range: | 0 -255 |
|------------------+-----------------------------------------|
| Description: | Controls number of retrains per minute |
| | allowed |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+---------+--------------------------------------|
| 3, 2, 1, | 0000 | Not used |
| 0 | | |
|------------------------------------------------------------|
| 7, 6, 5, 4 | í | Disconnect If more than four |
| | 0000 | retrain attempts in three minutes |
| | | |
| | 0001 | Disconnect If more than four |
| | | retrain attempts in four minutes |
| | 0010 | |
| | | Disconnect If more than four |
| | 0011 | retrain attempts in five minutes |
| | | |
| | 0100 | Unlimited retrain allowed |
| | | |
| | | Retrain disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRAIN LIMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls number of retrains per minute |
| | allowed |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| í &E0 | Disconnect If more than four retrain |
| | attempts in three minutes |
|----------------+-------------------------------------------|
| &E1 | Disconnect If more than four retrain |
| | attempts in four minutes |
|----------------+-------------------------------------------|
| &E2 | Disconnect If more than four retrain |
| | attempts in five minutes |
|----------------+-------------------------------------------|
| &E3 | Unlimited retrain allowed |
|----------------+-------------------------------------------|
| &E4 | Retrain disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEED CONVERSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speed conversion |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| $S0 | Speed conversion enabled |
|----------------+-------------------------------------------|
| í $S1 - $S8 | Speed conversion disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST STATUS |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Contains status of loopback tests |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Local analog loopback test disabled |
| | | |
| | 1 | Local analog loopback test enabled |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | 0 | Local digital loopback test disabled |
| | | |
| | 1 | Local digital loopback test enabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Remotely requested remote digital loopback |
| | | enabled |
| | 1 | |
| | | Remotely requested remote digital loopback |
| | | disabled |
|------+-------+---------------------------------------------|
| 4 | 0 | Locally requested remote digital loopback |
| | | test not in progress |
| | 1 | |
| | | Locally requested remote digital loopback |
| | | test in progress |
|------+-------+---------------------------------------------|
| 5 | 0 | Remote digital loopback with local |
| | | self-test disabled |
| | 1 | |
| | | Remote digital loopback with local |
| | | self-test enabled |
|------+-------+---------------------------------------------|
| 6 | 0 | Local analog loopback with local self-test |
| | | disabled |
| | 1 | |
| | | Local analog loopback with local self-test |
| | | enabled |
|------+-------+---------------------------------------------|
| 7 | 0 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls transmission level |
|------------------------------------------------------------|
| Command | Function |
|-------------------------+----------------------------------|
| $T0 - $T2 | -4dBm |
|-------------------------+----------------------------------|
| $T3 | -6dBm |
|-------------------------+----------------------------------|
| $T4 | -8dBm |
|-------------------------+----------------------------------|
| í $T5 | -10dBm |
|-------------------------+----------------------------------|
| $T6 | -12dBm |
|-------------------------+----------------------------------|
| $T7 | -14dBm |
|-------------------------+----------------------------------|
| $T8 | -16dBm |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis TIMER |
|------------------------------------------------------------|
| Type | Configuration |
|-------------+----------------------------------------------|
| Format | AT [cmds] S24=n [cmds] |
|-------------+----------------------------------------------|
| Default | 75 |
|-------------+----------------------------------------------|
| Range | 0 - 255 |
|-------------+----------------------------------------------|
| Unit | Unidentified |
|-------------+----------------------------------------------|
| Description | Sets the time the modem waits for V.42bis |
| | parameter negotiation before fallback to MNP |
| | or normal mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BITS PER CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets character length while in data mode |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| $L0 | Not used |
|-----------------------+------------------------------------|
| $L1 | 6 data bits, 1 stop bit |
|-----------------------+------------------------------------|
| $L2 | 7 data bits, 1 stop bit |
|-----------------------+------------------------------------|
| í $L3 | 8 data bits, 1 stop bit |
|-----------------------+------------------------------------|
| $L4 | 5 data bits, 2 stop bits |
|-----------------------+------------------------------------|
| $L5 | 6 data bits, 2 stop bits |
|-----------------------+------------------------------------|
| $L6 | 7 data bits, 2 stop bits |
|-----------------------+------------------------------------|
| $L7 | 8 data bits, 2 stop bits |
+------------------------------------------------------------+