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# WESTECH KOREA, INC.
ROCKWELL K56FLEX
Card Type Modem
Chip Set Rockwell
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23,
V.32ter, V.32bis, V.34, V.90
Fax Modulation ITU-T V.17, V.21 CH2, V.27ter, V.29,
Protocol V.33
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class I & II
Data Bus PCMCIA
55306
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, A/ |
|------------------------------------------------------------|
| A, B, D, E, H, M, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &M, &P, &Q, &R, &T, &W, &X, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \K, \N, \V |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| +MS, -K, #CID |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S6, S7, S8, S9, S10, S11, S12, S14, |
| S16, S18, S22, S23, S24, S25, S26, S27 |
|------------------------------------------------------------|
| S28, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, |
| S41, S46, S48, S82, S86, S91, S92, S95 |
|------------------------------------------------------------|
| Note: | See MHI Help File for full command documentation. |
| | Specific S-register information unavailable; |
| | S-registers may vary slightly from MHI help file. |
+------------------------------------------------------------+
PROPRIETARY AT COMMAND SET
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | Auto-mode detection disabled. Handshake |
| | begins at line speed designated by the S37 |
| | register. If S37=0 handshake follows |
| | interface speed |
|--------------+---------------------------------------------|
| N1 | Auto-mode detection enabled. Handshake |
| | begins at line speed designated by the S37 |
| | register. If S37=0 handshake at highest |
| | possible speed with fallback to lower speed |
| | if necessary |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| F0 | Auto-mode detection enabled |
|--------------+---------------------------------------------|
| F1 | V.21 or Bell 103 |
|--------------+---------------------------------------------|
| F2 | Reserved |
|--------------+---------------------------------------------|
| F3 | V.23 |
|--------------+---------------------------------------------|
| F4 | V.22 or Bell 212/A at 1200bps |
|--------------+---------------------------------------------|
| F5 | V.22bis |
|--------------+---------------------------------------------|
| F6 | V.32 or V.32bis at 4800bps |
|--------------+---------------------------------------------|
| F7 | V.32bis at 7200bps |
|--------------+---------------------------------------------|
| F8 | V.32 or V.32bis at 9600bps |
|--------------+---------------------------------------------|
| F9 | V.32bis at 12.0Kbps |
|--------------+---------------------------------------------|
| F10 | V.32bis at 14.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active and stored configuration |
| | profiles |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &V0 | Display current configurations |
|--------------+---------------------------------------------|
| &V1 | Display connection statistics |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------------------------------------------------|
| Note: The action each variant of &D causes depends on |
| the setting of &Q |
|------------------------------------------------------------|
| &Q Setting | &D0 | &D1 | &D2 | &D3 |
|------------------+----------+----------+---------+---------|
| &Q0, &Q5, &Q6 | Command | Command | Command | Command |
| | 0 | 1 | 2 | 4 |
|------------------+----------+----------+---------+---------|
| &Q1, &Q4 | Command | Command | Command | Command |
| | 2 | 1 | 2 | 4 |
|------------------+----------+----------+---------+---------|
| &Q2, &3 | Command | Command | Command | Command |
| | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| Command 0 | Modem does not respond to DTR |
|---------------+--------------------------------------------|
| Command 1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| Command 2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|---------------+--------------------------------------------|
| Command 3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 factory configuration 0 |
|--------------+---------------------------------------------|
| &F1 | Load factory configuration 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K5 | Transparent XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K6 | Unidirectional XON/XOFF flow control |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GUARD TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit a guard tone |
| | in V.22/V.22bis |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &G0 | Guard tone disabled |
|--------------+---------------------------------------------|
| &G1 | Guard tone disabled |
|--------------+---------------------------------------------|
| &G2 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| JACK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | For purposes compatibility only. Performs |
| | no function |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects line type |
|--------------+---------------------------------------------|
| Command | Line Type |
|--------------+---------------------------------------------|
| &L0 | Switched line (PSTN/Dial-up) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports firmware version and application |
| | codes |
|--------------+---------------------------------------------|
| I4 | Reports OEM identifier string in either |
| | binary or ASCII format |
|--------------+---------------------------------------------|
| I5 | Reports country code |
|--------------+---------------------------------------------|
| I6 | Reports data pump model and internal code |
|--------------+---------------------------------------------|
| I7 | Reports DAA code |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT CARRIER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Command non-functional; for compatibility |
| | only. Returns OK |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| BLACKLIST |
|------------------------------------------------------------|
| Type: | Immidiate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *B [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays blacklisted numbers. If no numbers |
| | are blacklisted, returns OK. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COUNTRY SELECT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *NCn [cmds] |
|--------------+---------------------------------------------|
| Range: | 1 - 8 |
|--------------+---------------------------------------------|
| Description: | Selects country code from NVRAM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DELAY |
|------------------------------------------------------------|
| Type: | Immidiate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *D [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays delayed numbers with the delay |
| | associated with each. If no numbers are |
| | delayed, returns OK. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISTINCTIVE RING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SDR=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the distinctive ring settings |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -SDR=0 | Distinctive ring disabled |
|--------------+---------------------------------------------|
| -SDR=1 | Type 1 enabled |
|--------------+---------------------------------------------|
| -SDR=2 | Type 2 enabled |
|--------------+---------------------------------------------|
| -SDR=3 | Type 1 and 2 enabled |
|--------------+---------------------------------------------|
| -SDR=4 | Type 3 enabled |
|--------------+---------------------------------------------|
| -SDR=5 | Type 1 and 3 enabled |
|--------------+---------------------------------------------|
| -SDR=6 | Type 2 and 3 enabled |
|--------------+---------------------------------------------|
| -SDR=7 | Type 1, 2, and 3 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH MEMORY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] **n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls download to flash memory |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| **0 | Downloads into flash memory at last sensed |
| | speed |
|--------------+---------------------------------------------|
| **1 | Downloads into flash memory at 38.4Kbps |
|--------------+---------------------------------------------|
| **2 | Downloads into flash memory at 57.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 - POWER LEVEL ADJUST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SEC=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-30 |
|--------------+---------------------------------------------|
| Unit: | -1dBm |
|--------------+---------------------------------------------|
| Description: | Controls automatic transmit power level |
| | adjustment during MNP 10 link negotiation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -SEC=0 | MNP10 disabled. Transmission level is set |
| | in the S91 register |
|--------------+---------------------------------------------|
| -SEC=1, | MNP10 enabled. Set transmit level |
| [tx_lev] | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG & PLAY SERIAL NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %7n [cmds] |
|--------------+---------------------------------------------|
| Range: | 8 |
|--------------+---------------------------------------------|
| Unit: | Hexidecimal |
|--------------+---------------------------------------------|
| Description: | Sets and stores numbers for serial plug & |
| | play |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG & PLAY VENDOR ID & PRODUCT NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %8n [cmds] |
|--------------+---------------------------------------------|
| Range: | 3 (ASCII), 4 (hex) |
|--------------+---------------------------------------------|
| Unit: | ASCII, Hexidecimal |
|--------------+---------------------------------------------|
| Description: | Sets and stores numbers for serial plug & |
| | play |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RPI/VIDEO READY MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables RPI & video ready mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +H0 | RPI/video ready mode disabled |
|--------------+---------------------------------------------|
| +H1 | RPI at 19.2Kbps DTE speed enabled |
|--------------+---------------------------------------------|
| +H2 | RPI at 38.4Kbps DTE speed enabled |
|--------------+---------------------------------------------|
| +H3 | RPI at 57.6Kbps DTE speed enabled |
|--------------+---------------------------------------------|
| +H11 | RPI + mode enabled |
|--------------+---------------------------------------------|
| +H16 | Video ready mode enabled |
+------------------------------------------------------------+
S(STATUS) -REGISTERS
+------------------------------------------------------------+
| AUTOSYNC OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets autosync options. Further information |
| | is unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOSYNC/SYNC |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Unidentiified |
|--------------+---------------------------------------------|
| Description: | Sets autosync HDLC address or BSC sync |
| | character. Further information is |
| | unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Range: | Unidentiified |
|--------------+---------------------------------------------|
| Description: | Selects V.24/General bit mapped options. |
| | Further information is unavailable |
+------------------------------------------------------------+