PROMETHEUS PRODUCTS, INC.
MAC PROMODEM 288E
|
Card Type |
Fax, Modem (synchronous/asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Data Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
External |
|
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, V.34 |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29, V.33 |
|
Error Correction/Compression |
MNP5, MNP10, V.42, V.42bis |

|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line in |
CN1 |
RS-232/422 |
CN3 | |||
|
Line out |
CN2 |
DC power |
CN4 | |||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
MR |
Red |
On |
Modem is ready |
|
MR |
Red |
Off |
Self-test failed |
|
MR |
Red |
Blinking |
Self-test in progress |
|
HS |
Red |
On |
Modem is operating at highest speed available |
|
HS |
Red |
Off |
Modem is operating at slower speed available |
|
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 |
|
SD |
Red |
On |
Modem is transmitting data |
|
SD |
Red |
Off |
Modem is not transmitting data |
|
RD |
Red |
On |
Modem is receiving data |
|
RD |
Red |
Off |
Modem is not receiving data |
|
TR |
Red |
On |
DTR signal is high |
|
TR |
Red |
Off |
DTR signal is low |
|
PWR |
Red |
On |
Power is on |
|
PWR |
Red |
Off |
Power is off |
Proprietary AT Command Set
|
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %En [cmds] |
|
Description: |
Controls auto-retrain mode and fallback/fall-forward |
|
Command |
Function |
|
í %E0 |
Auto-retrain disabled |
|
%E1 |
Auto-retrain enabled |
|
í %E2 |
Auto-fallback/fall-forward enabled |
|
BIT MAPPED REGISTERS | |
|
Register |
Default |
|
S14 |
138 |
|
S16 |
0 |
|
S21 |
4 |
|
S22 |
117 |
|
S23 |
55 |
|
S27 |
73 |
|
S28 |
0 |
|
S31 |
2 |
|
S39 |
3 |
|
S40 |
105 |
|
S41 |
3 |
|
S201 |
58 |
|
BREAK SEND | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Bn [cmds] |
|
Default: |
3 |
|
Range: |
1-9 |
|
Unit: |
.1 second |
|
Description: |
Sends break to modem |
|
BREAK TYPE | ||||
|
Type: |
Configuration | |||
|
Format: |
AT [cmds] \Kn [cmds] | |||
|
Description: |
Configures action of break signal | |||
|
Command |
Break from DTE |
Modem receives \B |
Break received from remote modem | |
|
\K0 |
Online command mode enabled, send no break to remote modem |
Break sent to remote modem and buffered cleared |
Buffers cleared, break sent to DTE | |
|
\K1 |
Break sent to remote modem and buffered cleared |
Break sent to remote modem and buffered cleared |
Buffers cleared, break sent to DTE | |
|
\K2 |
Online command mode enabled, send no break to remote modem |
Send break to remote modem immediately |
Break sent immediately to DTE | |
|
\K3 |
Send break to remote modem immediately |
Send break to remote modem immediately |
Break sent immediately to DTE | |
|
\K4 |
Online command mode enabled, send no break to remote modem |
Send break with transmitted data |
Break sent with received data to the DTE | |
|
í \K5 |
Send break with transmitted data |
Send break with transmitted data |
Break sent with received data to the DTE | |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Cn [cmds] |
|
Description: |
Selects data compression |
|
Command |
Function |
|
%C0 |
Data compression disabled |
|
%C1 |
MNP5 enabled |
|
%C2 |
V.42bis enabled |
|
í %C3 |
MNP5 and V.42bis 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 |
Reliable mode enabled |
|
\N3 |
Auto-reliable mode enabled |
|
\N4 |
V.42 reliable mode enabled |
|
\N5 |
MNP auto-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 |
|
R |
Accepted but not acted upon |
|
S=n |
Dial stored telephone number n |
|
T |
Tone dialing enabled |
|
W |
Dialing resumed following dial tone detection |
|
* |
Dials the ‘Star’ digit |
|
# |
Dials the ‘Gate’ digit |
|
! |
Modem commanded to go off-hook for specified time before returning on-hook |
|
@ |
Wait for quiet answer |
|
& |
Waits for prompt tone for amount of time specified by the S7 register |
|
, |
Dialing paused for amount of time specified in S8 register |
|
; |
Modem returned to command state after dialing |
|
^ |
Disable calling tone |
|
> |
Country specific, generates grounding pulse |
|
FLASH DIAL MODIFIER TIME | |
|
Type: |
Register |
|
Format |
AT [cmds] S29=n [cmds] |
|
Default: |
0 |
|
Range: |
0-255 |
|
Unit: |
.01 second |
|
Description: |
Time the modem will go on-hook upon receiving the ! dial modifier in dial string. |
|
FLOW CONTROL CHARACTER - XOFF | |
|
Type: |
Register |
|
Format: |
AT [cmds] S33=n [cmds] |
|
Default: |
19 |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XOFF |
|
FLOW CONTROL CHARACTER - XON | |
|
Type: |
Register |
|
Format: |
AT [cmds] S32=n [cmds] |
|
Default: |
17 |
|
Range: |
0-255 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used to represent XON |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S30=n [cmds] |
|
Default: |
0 |
|
Range: |
0-255 |
|
Unit: |
10 seconds |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
|
LINE SIGNAL LEVEL | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %L [cmds] |
|
Description: |
Returns a value which indicates the received line signal level in -dBm |
|
LINE SIGNAL QUALITY | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %Q [cmds] |
|
Description: |
Returns a value which indicates line signal quality |
|
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \An [cmds] |
|
Description: |
Sets the maximum transmittable block size |
|
Command |
Function |
|
\A0 |
MNP block size is 64 characters |
|
í \A1 |
MNP block size is 128 characters |
|
\A2 |
MNP block size is 192 characters |
|
\A3 |
MNP block size is 256 characters |
|
MNP - EXTENDED SERVICES | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -Kn [cmds] |
|
Description: |
Selects MNP extended services |
|
Command |
Function |
|
-K0 |
MNP extended services disabled |
|
-K1 |
MNP extended services enabled |
|
-K2 |
MNP extended services enabled without indicating MNP on the answer detection phase. |
|
MNP10 - FALLBACK | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -Qn [cmds] |
|
Description: |
Allows MNP10 to fall back to speeds slower than 4800bps |
|
Command |
Function |
|
-Q0 |
MNP10 at 2400 and 1200bps disabled |
|
í -Q1 |
MNP10 at 2400 and 1200bps enabled |
|
MNP10 - LINK NEGOTIATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] *Hn [cmds] |
|
Description: |
Sets the speed at which MNP10 link negotiation will occur |
|
Command |
Function |
|
í *H0 |
Link will be negotiated at highest possible speed |
|
*H1 |
Link will be negotiated at 1200bps |
|
*H2 |
Link will be negotiated at 4800bps |
|
MNP10 - POWER LEVEL ADJUST | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] )Mn [cmds] |
|
Description: |
Controls automatic transmit power level adjustment during MNP 10 link negotiation |
|
Command |
Function |
|
í )M0 |
Power level adjustment disabled |
|
)M1 |
Power level adjustment enabled, power level determined by modem |
|
)M2 |
Power level adjustment enabled, power level remains fixed |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports product code |
|
I1 |
Reports ROM checksum |
|
I2 |
Reports ROM checksum |
|
I3 |
Reports product revision code |
|
I4 |
Reports product ID |
|
I5 |
Reports country code |
|
I6 |
Reports modem data pump version number |
|
I7 |
Reports DAA code from MCU interrogation |
|
SLEEP TIMER | |
|
Type: |
Register |
|
Format |
AT [cmds] S24=n [cmds] |
|
Default: |
0 |
|
Range: |
0-255 |
|
Unit: |
1 second |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. |
|
TRANSMISSION LEVEL - CELLULAR | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] @Mn [cmds] |
|
Default: |
0 |
|
Range: |
11-31 |
|
Unit: |
-1dBm |
|
Description: |
Sets the signal level for transmission while in cellular mode |
|
Command |
Function |
|
@M0 |
-26 dBm |
|
@M1 |
-30 dBm |
|
@M2-@M10 |
-10 dBm |
|
TRANSMISSION LEVEL - FAX | |
|
Type: |
Register |
|
Format: |
AT [cmds] S92=n [cmds] |
|
Default: |
10 |
|
Range: |
0-15 |
|
Unit: |
-1 dBm |
|
Description: |
Sets the signal level for transmission while in fax mode |
|
TRANSMISSION LEVEL - PSTN | |
|
Type |
Register or Configuration |
|
Format |
AT [cmds] S91=n [cmds] |
|
Default |
10 |
|
Range |
0-15 |
|
Unit |
-1 dBm |
|
Description |
Sets the signal level for transmission over PSTN |
|
V.32 - COMPROMISE EQUALIZER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] :En [cmds] |
|
Description: |
Controls V.32 compromise equalizer |
|
Command |
Function |
|
:E0 |
Equalizer disabled |
|
í :E1 |
Equalizer enabled |