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# AT&T PARADYNE
DATAPORT EXPRESS 3715
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | DC power | CN4 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Power switch | SW1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| TST | Red | On | Modem test executing |
|-----+-------+--------+-------------------------------------|
| TST | Red | Off | Normal operation |
|-----+-------+--------+-------------------------------------|
| HS | Red | On | Modem is operating at highest |
| | | | configured rate |
|-----+-------+--------+-------------------------------------|
| HS | Red | Off | Modem is operating at less than |
| | | | highest rate |
|-----+-------+--------+-------------------------------------|
| EC | Red | On | Error correction activated |
|-----+-------+--------+-------------------------------------|
| EC | Red | Off | Error correction not activated |
|-----+-------+--------+-------------------------------------|
| CD | Red | On | Carrier signal detected |
|-----+-------+--------+-------------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-----+-------+--------+-------------------------------------|
| OH | Red | On | Modem is off-hook |
|-----+-------+--------+-------------------------------------|
| OH | Red | Off | Modem is on-hook |
|-----+-------+--------+-------------------------------------|
| 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 |
|-----+-------+--------+-------------------------------------|
| MR | Red | On | Power is on |
|-----+-------+--------+-------------------------------------|
| MR | Red | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
See AT&T PARADYNE, DATAPORT EXPRESS 3711 for a full command summary.