PRACTICAL PERIPHERALS, INC.
PC144MT II/MC144MT II
Modem Type |
Data (synchronous/asynchronous)/Fax |
Maximum Data Rate |
14.4Kbps |
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.32, V.32bis |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Line in |
CN1 |
RS-232/422 |
CN4 |
Line out |
CN2 |
Power switch |
SW1 |
DC Power |
CN3 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
AA |
Red |
On |
Auto-answer enabled |
AA |
Red |
Off |
Auto-answer disabled |
AA |
Red |
Blinking |
Line is ringing |
RX |
Red |
On |
Modem is receiving data |
RX |
Red |
Off |
Modem is not receiving data |
TX |
Red |
On |
Modem is transmitting data |
TX |
Red |
Off |
Modem is not transmitting data |
CD |
Red |
On |
Carrier signal detected |
CD |
Red |
Off |
Carrier signal not detected |
CD |
Red |
Blinking |
Modem is retraining |
OH |
Red |
On |
Modem is off-hook |
OH |
Red |
Off |
Modem is on-hook |
HS |
Red |
On |
Modem connected at 4800bps or faster |
HS |
Red |
Off |
Modem connected at less than 4800bps |
TR |
Red |
On |
DTR signal is high |
TR |
Red |
Off |
DTR signal is low |
MR |
Red |
On |
Power on |
MR |
Red |
Off |
Power off |
Proprietary Command Set
COMMAND SET DISABLE | |
Type: |
Configuration |
Format: |
AT [cmds] %DUMBn [cmds] |
Example: |
AT %DUMB0 &W <CR> |
Description: |
Stops modem from responding to commands. |
Command |
Function |
» %DUMB0 |
Command set enabled. |
%DUMB1 |
Command set disabled. |
REDIAL | |
Type: |
Immediate |
Format: |
AT [cmds] DL |
Example: |
AT M0 DL <CR> |
Description: |
Redials the last number called. |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Example: |
AT IO <CR> |
Description: |
Commands modem to display information requested. |
Command |
Function |
I0 |
Reports modem model and speed. |
I1 |
Reports checksum number. |
I2 |
Reports checksum result. |
I3 |
Reports firmware version. |
I4 |
Reports current command settings. |