28.8EFX modem/telephone/ISDN Settings and Configuration
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.
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