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# E-TECH RESEARCH, INC.
E56RVP
Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Microphone in, speaker out, voice,
speakerphone, DVSD
Maximum Data Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A, 212A
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell K56flex
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus Serial
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+-------+-------------------+-------|
| Telephone line in | CN1 | Serial port | CN5 |
|------------------------+-------+-------------------+-------|
| Telephone line out | CN2 | DC power in | CN6 |
|------------------------+-------+-------------------+-------|
| Microphone in | CN3 | Power switch | SW1 |
|------------------------+-------+-------------------+-------|
| Speaker out | CN4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| The functions and colours of the LEDs are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, D, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &P, &R, &S, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \N |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| :E |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S24, S25, S26, S29, S30, S32, S33 |
|------------------------------------------------------------|
| S36, S38, S46, S48, S86, S91, S92, S95 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|----------------------------+-------------------------------|
| S28 | Unidentified |
|----------------------------+-------------------------------|
| S37 | Unidentified |
|----------------------------+-------------------------------|
| S41 | Unidentified |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTOSYNC HDLC ADDRESS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 ASCII character |
|--------------+---------------------------------------------|
| Description: | Sets the HDLC address and BSC character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +MS=x,y,z,a,b,c [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets options for active protocol; the |
| | transfer rates specified by z and a must be |
| | valid for the protocol selected. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| x=0 | Select V.21 protocol. |
|--------------+---------------------------------------------|
| x=1 | Select V.22 protocol. |
|--------------+---------------------------------------------|
| x=2 | Select V.22bis protocol. |
|--------------+---------------------------------------------|
| x=3 | Select V.23 protocol. |
|--------------+---------------------------------------------|
| x=9 | Select V.32 protocol. |
|--------------+---------------------------------------------|
| x=10 | Select V.32bis protocol. |
|--------------+---------------------------------------------|
| x=11 | Select V.34 protocol. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION (CON'T) |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| x=56 | Select K56flex protocol. |
|------------+-----------------------------------------------|
| x=64 | Select Bell 103 protocol. |
|------------+-----------------------------------------------|
| x=69 | Select Bell 212A protocol. |
|------------+-----------------------------------------------|
| y=0 | Modem will connect only with protocol and |
| | speed selected. |
|------------+-----------------------------------------------|
| y=1 | Modem will auto-detect fastest common |
| | protocol and speed. |
|------------+-----------------------------------------------|
| z, a=300 | Set minimum or maximum transfer rate at |
| | 300bps, respectively. |
|------------+-----------------------------------------------|
| z, a=1200 | Set minimum or maximum transfer rate at |
| | 1200bps, respectively. |
|------------+-----------------------------------------------|
| z, a=2400 | Set minimum or maximum transfer rate at |
| | 2400bps, respectively. |
|------------+-----------------------------------------------|
| z, a=4800 | Set minimum or maximum transfer rate at |
| | 4800bps, respectively. |
|------------+-----------------------------------------------|
| z, a=7200 | Set minimum or maximum transfer rate at |
| | 7200bps, respectively. |
|------------+-----------------------------------------------|
| z, a=9600 | Set minimum or maximum transfer rate at |
| | 9600bps, respectively. |
|------------+-----------------------------------------------|
| z, a=12000 | Set minimum or maximum transfer rate at |
| | 12Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=14400 | Set minimum or maximum transfer rate at |
| | 14.4Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=16800 | Set minimum or maximum transfer rate at |
| | 16.8Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=19200 | Set minimum or maximum transfer rate at |
| | 19.2Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=21600 | Set minimum or maximum transfer rate at |
| | 21.6Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=24000 | Set minimum or maximum transfer rate at |
| | 24Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=26400 | Set minimum or maximum transfer rate at |
| | 26.4Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=28800 | Set minimum or maximum transfer rate at |
| | 28.8Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=31200 | Set minimum or maximum transfer rate at |
| | 31.2Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=32000 | Set minimum or maximum transfer rate at |
| | 32Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=33600 | Set minimum or maximum transfer rate at |
| | 33.6Kbps, respectively. |
|------------+-----------------------------------------------|
| z, a=34000 | Set minimum or maximum transfer rate at |
| | 34Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=36000 | Set minimum or maximum transfer rate at |
| | 36Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=38000 | Set minimum or maximum transfer rate at |
| | 38Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=40000 | Set minimum or maximum transfer rate at |
| | 40Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=42000 | Set minimum or maximum transfer rate at |
| | 42Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=44000 | Set minimum or maximum transfer rate at |
| | 44Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=46000 | Set minimum or maximum transfer rate at |
| | 46Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=48000 | Set minimum or maximum transfer rate at |
| | 48Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=50000 | Set minimum or maximum transfer rate at |
| | 50Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=52000 | Set minimum or maximum transfer rate at |
| | 52Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=54000 | Set minimum or maximum transfer rate at |
| | 54Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| z, a=56000 | Set minimum or maximum transfer rate at |
| | 56Kbps, respectively; for K56flex mode. |
|------------+-----------------------------------------------|
| b=0 | Mu-law codec enabled. |
|------------+-----------------------------------------------|
| b=1 | A-law codec enabled. |
|------------+-----------------------------------------------|
| c=0 | Robbed bit signaling detection disabled. |
|------------+-----------------------------------------------|
| c=1 | Robbed bit signaling detection enabled. |
+------------------------------------------------------------+
See E-TECH RESEARCH, INC. PC336RVP for a full command summary.