ASPEN TECHNOLOGIES, INC.
28.8EFX
|
Modem Type |
Data (synchronous/asynchronous)/Fax |
|
Maximum Data Rate |
28.8Kbps |
|
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.23, V.32, V.32bis, V.34 Rockwell V.FC |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, 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 |
|
MR |
Red |
On |
Power is on |
|
MR |
Red |
Off |
Power is off |
|
TR |
Red |
On |
DTR signal is high |
|
TR |
Red |
Off |
DTR signal is low |
|
SD |
Red |
Blinking |
Modem is transmitting data |
|
SD |
Red |
Off |
Modem is not transmitting data |
|
RD |
Red |
Blinking |
Modem is receiving data |
|
RD |
Red |
Off |
Modem is not receiving data |
|
OH |
Red |
On |
Modem is off-hook |
|
OH |
Red |
Off |
Modem is on-hook |
|
CD |
Red |
On |
Carrier signal detected |
|
CD |
Red |
Off |
Carrier signal not detected |
|
AA |
Red |
On |
Auto-answer enabled |
|
AA |
Red |
Off |
Auto-answer disabled |
|
AA |
Red |
Blinking |
Phone is ringing |
|
HS |
Red |
Blinking |
Modem is in test mode or detected an error |
|
HS |
Red |
On |
Modem is operating at 9600bps or faster |
|
HS |
Red |
Off |
Modem is not operating faster than 9600bps |
Proprietary AT Command Set
See document V1535 for a full command summary.