MAXTECH CORPORATION
14400BPS TURBOMODEM EXTERNAL
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.32, V.32bis |
Error Correction/Compression |
MNP5, V.42, V.42bis |
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
Line in |
CN1 |
DC power |
CN4 | |||
Line out |
CN2 |
Power switch |
SW1 | |||
RS-232/422 |
CN3 |
USER CONFIGURABLE SETTINGS | ||
Setting |
Label |
Position |
í Smart mode |
JP1 |
Pins 2 & 3 closed |
Dumb mode |
JP1 |
Pins 1 & 2 closed |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
TST |
Red |
On |
Normal operation or no error detected |
TST |
Red |
Off |
No connection established |
TST |
Red |
Blinking |
Error correction activated |
HS |
Red |
On |
Modem is operating at 4800bps or faster |
HS |
Red |
Off |
Modem is operating at slower than 4800bps |
AA |
Red |
On |
Auto-answer enabled |
AA |
Red |
Off |
Auto-answer disabled |
AA |
Red |
Blinking |
Phone is ringing |
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 |
RD |
Red |
On |
Modem is receiving data |
RD |
Red |
Off |
Modem is not receiving data |
SD |
Red |
On |
Modem is transmitting data |
SD |
Red |
Off |
Modem is not transmitting data |
TR |
Red |
On |
DTR signal is high |
TR |
Red |
Off |
DTR signal is low |
MR |
Red |
On |
Power is on |
MR |
Red |
Off |
Power is off |
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, ‘Comma’, A/ |
A, B, D, E, H, L, M, O, Q, S, V, X, Y, Z |
&C, &D, &G, &L, &M, &P, &R, &S, &T, &V, &W, &X, &Y, &Z |
Extended AT Commands |
\A, \B, \C, \E, \G, \J, \K, \O, \Q, \U, \V, \X, \Y, \Z, %A, %C |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26, S27 |
Note: See MHI Help file for full command documentation. |
Proprietary AT Command Set
AUTO-DIAL ON POWER-UP | ||
Type: |
Configuration | |
Format: |
AT [cmds] %Pn [cmds] | |
Description: |
Controls how the modem reacts when powered up. | |
Command |
Function | |
%P0 |
Disabled | |
%P1 |
Telephone number at memory location 0 dialed after modem is powered -up, AT%P1&L0 are set to enable this feature. |
See: MAXTECH CORPORATION, 14400BPS TURBOMODEM INTERNAL document for a full command summary.