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 Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
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.