MAXTECH CORPORATION
GM144E
|
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.22, V.22bis, V.32, V.32bis |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
|
Error Correction/Compression |
MNP 5, V.42, V.42bis |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Line out |
CN1 |
DC power |
CN4 |
|
Line in |
CN2 |
Power switch |
SW1 |
|
RS-232/422 |
CN3 | ||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
TST |
Red |
On |
Normal operation |
|
TST |
Red |
Flash |
Modem has detected and corrected error |
|
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 |
Proprietary AT Command Set
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] $An [cmds] |
|
Example: |
AT $A1 &W <CR> |
|
Description: |
Controls the handling of incoming data during auto-reliable time period. |
|
í Command |
Function |
| » $A0 |
Data is discarded. |
|
í $A1 |
Data is buffered. |
|
CALLBACK ATTEMPTS | |
|
Type: |
Register |
|
Format: |
AT [cmds] S16=n [cmds] |
|
Example: |
ATS16=6 <CR> |
|
Default: |
4 |
|
Range: |
1-255 |
|
Unit: |
1 attempt |
|
Description: |
Sets the maximum number of login attempts after initial callback connection. |
|
FAILED PASSWORD ATTEMPTS | |
|
Type: |
Register |
|
Format: |
AT [cmds] S26? |
|
Example: |
ATS26? <CR> |
|
Default: |
Read-only |
|
Range: |
0-255 |
|
Unit: |
1 attempt |
|
Description: |
This register stores the number of failed password attempts. |
|
DISTINCTIVE RING | |||
|
Format |
AT [cmds] S101=n [cmds] | ||
|
Example: |
ATS101=40 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: | |||
|
Bit |
í Value |
Function | |
|
0 |
» 0
í 1 |
Do not respond to ring type A. Respond to ring type A. | |
|
1 |
í 0 |
Not used. | |
|
2 |
» 0
í 1 |
Do not respond to ring type C. Respond to ring type C. | |
|
3 |
» 0
í 1 |
Do not respond to ring type D. Respond to ring type D. | |
|
4 |
» 0
í 1 |
Do not respond to ring type E. Respond to ring type E. | |
|
5 |
í 0 |
Not used. | |
|
6 |
» 0
í 1 |
Do not respond to ring type G. Respond to ring type G. | |
|
7 |
» 0
í 1 |
Report RING for all ring types. Report RING n where n is the ring type. | |