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# BEST DATA PRODUCTS, INC.
1442FX EXTERNAL FAX/DATA MODEM
Card Type Fax, Modem (synchronous/asynchronous)
Chip Set Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
V2328
+-------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|-------------------------------|
| Diagram not available |
+-------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+--------+------------------------------------|
| TM | Red | On | Modem in test mode |
|------+-------+--------+------------------------------------|
| TM | Red | Off | Modem not in test mode |
|------+-------+--------+------------------------------------|
| AA | Red | On | Auto-answer enabled |
|------+-------+--------+------------------------------------|
| AA | Red | Off | Auto-answer disabled |
|------+-------+--------+------------------------------------|
| 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 |
|------+-------+--------+------------------------------------|
| TR | Red | On | DTR signal is high |
|------+-------+--------+------------------------------------|
| TR | Red | Off | DTR signal is low |
|------+-------+--------+------------------------------------|
| RI | Red | On | Phone is ringing |
|------+-------+--------+------------------------------------|
| RI | Red | Off | Phone is not ringing |
|------+-------+--------+------------------------------------|
| OH | Red | On | Modem is off-hook |
|------+-------+--------+------------------------------------|
| OH | Red | Off | Modem is on-hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, ‘Comma’, A/ |
|------------------------------------------------------------|
| A, B, C, D, E, F, , H, L, M, N, O, P, Q, S, T, V, W, X, Y, |
| Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &J, &K, &L, &M, &P, &Q, &R, &S, &T, &V, |
| &W, &X, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \G, \L, \O, \T, \U, \Y, \Z, %E, %L, %Q |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S16, S18, S22, S25, S26, S36, S38, S46 |
|------------------------------------------------------------|
| S48, S82, S86, S91, S95 |
|------------------------------------------------------------|
| Note: See MHI Help file for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
See; BEST DATA PRODUCTS, INC., 1442FX EXTERNAL FAX/DATA MODEM for a