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# MOTOROLA, INC.
MODEMSURFR 56K (EXTERNAL)
Card Type Modem (asynchronous)
Chip Set Rockwell
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell V.FC, K56+
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus Serial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+-------+------------------------+-------|
| DC power in | CN1 | Telephone line in | CN3 |
|-------------------+-------+------------------------+-------|
| Serial port | CN2 | Telephone line out | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+--------+----------+--------------------------------|
| TR | Red | On | DTR signal is high |
|-------+--------+----------+--------------------------------|
| TR | Red | Off | DTR signal is low |
|-------+--------+----------+--------------------------------|
| CD | Red | On | Carrier signal detected |
|-------+--------+----------+--------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-------+--------+----------+--------------------------------|
| RD | Red | On | Modem is receiving data |
|-------+--------+----------+--------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-------+--------+----------+--------------------------------|
| SD | Red | On | Modem is transmitting data |
|-------+--------+----------+--------------------------------|
| SD | Red | Off | Modem is not transmitting data |
|-------+--------+----------+--------------------------------|
| OH | Red | On | Modem is off-hook |
|-------+--------+----------+--------------------------------|
| OH | Red | Off | Modem is on-hook |
|-------+--------+----------+--------------------------------|
| RI | Red | On | Power is on |
|-------+--------+----------+--------------------------------|
| RI | Red | Blinking | Phone is ringing |
|-------+--------+----------+--------------------------------|
| RI | Red | Off | Power is off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, 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, \B, \K, \N, \V |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| #CID, +MS |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S21, S22, S23, S24, S25 |
|------------------------------------------------------------|
| S26, S27, S28, S29, S30, S32, S33, S36, S38, S39, S40, |
| S46, S48, S82, S86, S91, S92, S95 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|-----------------------------+------------------------------|
| +ES=nnn | 3,0,2 |
|-----------------------------+------------------------------|
| +ESA=nnnnnnnn | 0,0,0,0,0,0,0,0 |
|-----------------------------+------------------------------|
| +ITF=nn | 255,64 |
+------------------------------------------------------------+
Proprietary AT Command Set
See MOTOROLA, INC. MODEMSURFR 56K (INTERNAL) for a full command
summary.