PROMETHEUS
HOME OFFICE 144I
Card Type | Fax, Modem (asynchronous), Voice |
Chip Set | Unidentified |
I/O Options | Speakerphone, Voice-mail |
Maximum Data Rate | 14.4Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | 8-bit ISA |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line in | CN1 | Speaker out | CN3 | |||
Line out | CN2 | Microphone in | CN4 | |||
USER CONFIGURABLE SETTINGS | ||
Function | Label | Position |
Speaker plug - normal | JP2 | Closed |
Speaker plug - monaural | JP2 | Open |
SERIAL PORT ADDRESS | ||
Setting | JP1/A | JP1/B |
COM1 (3F8h) | Open | Open |
í COM2 (2F8h) | Closed | Open |
COM3 (3E8h) | Open | Closed |
COM4 (2E8h) | Closed | Closed |
INTERRUPT | ||||
Setting | JP1/C | JP1/D | JP1/E | JP1/F |
2 | Closed | Open | Open | Open |
í 3 | Open | Closed | Open | Open |
4 | Open | Open | Closed | Open |
5 | Open | Open | Open | Closed |
Proprietary AT Command Set
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: | Configuration |
Format: | AT [cmds] %An [cmds] |
Default: | Unidentified |
Range: | 0-127 |
Unit: | ASCII |
Description: | Sets the character used as the auto-reliable fallback character; %A0 will disable this function. |
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Controls the handling of incoming data during auto-reliable time period |
Command | Function |
í \C0 | Data is discarded |
\C1 | Data is buffered |
\C2 | Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] %En [cmds] |
Description: | Controls auto-retrain mode |
Command | Function |
%E0 | Auto-retrain disabled |
í %E1 | Auto-retrain enabled |
BREAK TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Kn [cmds] |
Default: | 5 |
Range: | 0-5 |
Description: | Configures action of break signal |
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
í %C1 | MNP5 enabled |
CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Controls the type of connection the modem will operate in |
Command | Function |
\N0 | Normal mode enabled |
\N1 | Direct mode enabled |
\N2 | MNP reliable mode enabled |
\N3 | Auto-reliable mode enabled |
\N4 | V.42 reliable mode enabled |
\N5 | V.42 auto-reliable mode enabled |
í \N6 | Reliable mode enabled |
DICTIONARY SIZE | |
Type: | Configuration |
Format: | AT [cmds] %Dn [cmds] |
Description: | Select dictionary size |
Command | Function |
%D0 | Select 1/2K dictionary |
%D1 | Select 1K dictionary |
í %D2 | Select 2K dictionary |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
í \G0 | Flow control disabled |
\G1 | Flow control enabled |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
Command | Function |
\Q0 | Flow control disabled |
\Q1 | Bidirectional XON/XOFF flow control enabled |
\Q2 | CTS flow control by DCE enabled |
í \Q3 | Bidirectional RTS/CTS flow control enabled |
\Q4 | Unidirectional XON/XOFF flow control by DCE enabled |
INACTIVITY TIMER | |
Type: | Configuration |
Format: | AT [cmds] \Tn [cmds] |
Default: | 0 |
Range: | 0-90 |
Unit: | 1 minute |
Description: | Sets the length of time that the modem does not receive information before it disconnects. \T=0 will disable timer. |
MNP RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects MNP result codes |
Command | Function |
í \V0 | MNP result codes disabled |
\V1 | MNP result codes enabled |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports 3 digit product code |
I1 | Reports ROM checksum |
I2 | Reports OK |
I3 | Reports firmware revision level |
I4 | Reports configuration settings |
XON/XOFF PASS-THROUGH | |
Type: | Configuration |
Format: | AT [cmds] \Xn [cmds] |
Description: | Selects whether XON/XOFF signals are sent to remote modem |
Command | Function |
í \X0 | XON/XOFF signals trapped by local modem |
\X1 | XON/XOFF passed through local modem |