PROMETHEUS PRODUCTS, INC.
PC PROMODEM 144E, MAC PROMODEM 144E
| Card Type | Modem (synchronous/asynchronous) |
| Chip Set | Unidentified |
| Maximum Data Rate | 14.4Kbps |
| Data Bus | External |
| Data Modulation Protocol | Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
| Error Correction/Compression | MNP5, V.42, V.42bis |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| Line out | CN1 |
DC power | CN4 |
| Line in | CN2 |
Power switch | SW1 |
| RS-232/422 | CN3 |
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DIAGNOSTIC LED(S) |
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LED |
Color |
Status |
Condition |
AA |
Red |
On |
Auto-answer enabled |
AA |
Red |
Off |
Auto-answer disabled |
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 |
IO |
Red |
On |
Modem is receiving or transmitting data |
IO |
Red |
Off |
Modem is not receiving or transmitting data |
MR |
Red |
On |
Power is on |
MR |
Red |
Off |
Power is off |
MR |
Red |
Blinking |
Modem is in self-test mode |
MISCELLANEOUS TECHNICAL NOTES |
| Note: This modem uses MaxFax software to send and receive faxes. |
Proprietary AT Command Set
AUTO-RELIABLE TIME BUFFER CONFIGURATION |
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| Type: | Configuration | |
| Format: | AT [cmds] \C n [cmds] | |
| Description: | Controls the handling of incoming data during auto-reliable time period | |
Command |
Function |
|
| » | \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] %E n [cmds] | |
| Description: | Controls auto-retrain mode | |
Command |
Function |
|
%E0 |
Auto-retrain disabled | |
| » | %E1 |
Auto-retrain enabled |
BREAK TYPE |
|
| Type: | Configuration |
| Format: | AT [cmds] \K n [cmds] |
| Default: | 5 |
| Range: | 0-5 |
| Unit: | Unidentified |
| Description: | Configures action of break signal |
COMPRESSION |
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| Type: | Configuration | |
| Format: | AT [cmds] %C n [cmds] | |
| Description: | Selects data compression | |
Command |
Function |
|
%C0 |
Data compression disabled | |
| » | %C1 |
MNP5 enabled |
CONNECT MODE |
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| Type: | Configuration | |
| Format: | AT [cmds] \N n [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 | |
| » | \N6 |
Reliable mode enabled |
DIAL |
|
| Type: | Immediate |
| Format: | AT [cmds] D<#> [cmds] |
| Description: | Dials telephone number according to any modifiers included in the string |
| Note: | Any combination of modifiers can be used to produce the desired dial functions in sequence. |
Modifier |
Function |
L |
Re-dial last number |
P |
Pulse dialing enabled |
Sn |
Dial stored telephone number n |
T |
Tone dialing enabled |
W |
Dialing resumed following dial tone detection for amount of time specified in S7 register |
, |
Dialing paused for amount of time specified in S8 register |
! |
Modem commanded to go off-hook for .5 second before returning on-hook |
@ |
Wait for quiet answer for amount of time specified in S7 register |
; |
Modem returned to command state after dialing |
DICTIONARY SIZE |
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| Type: | Configuration | |
| Format: | AT [cmds] %D n [cmds] | |
| Description: | Select dictionary size | |
Command |
Function |
|
%D0 |
Select 1/2K bytes | |
%D1 |
Select 1K bytes | |
| » | %D2 |
Select 2K bytes |
EXTENDED RESULT CODES |
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| Type: | Configuration | |
| Format: | AT [cmds] \V n [cmds] | |
| Description: | Selects extended result codes (MNP responses) | |
Command |
Function |
|
| » | \V0 |
Extended result codes disabled |
\V1 |
Extended result codes enabled | |
FLOW CONTROL |
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| Type: | Configuration | |
| Format: | AT [cmds] \G n [cmds] | |
| Description: | Selects modem port flow control | |
Command |
Function |
|
| » | \G0 |
Flow control disabled |
\G1 |
Flow control enabled | |
FLOW CONTROL TYPE |
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| Type: | Configuration | |
| Format: | AT [cmds] \Q n [cmds] | |
| Description: | Sets type of flow control used by modem | |
Command |
Function |
|
\Q0 |
Flow control disabled | |
\Q1 |
Bi-directional XON/XOFF flow control enabled | |
\Q2 |
Unidirectional CTS flow control enabled | |
| » | \Q3 |
Bi-directional RTS/CTS flow control enabled |
\Q4 |
Unidirectional XON/XOFF flow control by DCE enabled | |
INACTIVITY TIMER |
|
| Type: | Configuration |
| Format: | AT [cmds] \T n [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. |
| Note: | AT\T0 will disable timer. |
REPORT INFORMATION |
|
| Type: | Immediate |
| Format: | AT [cmds] I n [cmds] |
| Description: | Displays information requested |
Command |
Function |
I0 |
Reports product code |
I1 |
Reports ROM checksum |
I2 |
Returns ‘OK’ |
I3 |
Reports firmware revision |
I4 |
Reports current configuration |
XON/XOFF PASS-THROUGH |
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| Type: | Configuration | |
| Format: | AT [cmds] \X n [cmds] | |
| Description: | Selects whether XON/XOFF signals are sent to remote modem | |
Command |
Function |
|
| » | \X0 |
XON/XOFF signals trapped by local modem |
\X1 |
XON/XOFF passed through local modem | |