MICROCOM, INC.
AX/1200
|
Card Type |
Modem (synchronous/asynchronous) |
|
Chipset |
Microcom, Inc. |
|
Maximum Onboard Memory |
8K battery-backup DRAM |
|
Maximum Data Rate |
1200bps |
|
Data Bus |
Serial |
|
Data Modulation |
Bell 103A/212A ITU-T V.22 |
|
Error Correction/Compression |
MNP4 |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
Line out |
CN1 |
Volume |
R1 | |||
|
Line in |
CN2 |
Talk/data switch |
SW3 | |||
|
DC power |
CN3 |
Synchronous/asynchronous switch |
SW4 | |||
|
RS-232/422 |
CN4 |
Reset switch |
SW5 | |||
|
USER CONFIGURABLE SETTINGS | ||
|
Setting |
Label |
Position |
|
í Busy out disabled |
JP1 |
Pins 3 & 4 closed |
|
Busy out enabled |
JP1 |
Pins 1 & 2 closed |
|
í Receiver sensitivity set to -10 to -43 dBm |
JP2 |
Pins 3 & 4 closed |
|
Receiver sensitivity set to 0 to -33 dBm |
JP2 |
Pins 1 & 2 closed |
|
í Pin 12 of RS-232 port indicates 1200bps connection |
JP3/A |
Closed |
|
Pin 12 of RS-232 port does not indicate 1200bps connection |
JP3/A |
Open |
|
í Synchronous transmit clock on RS-232 pin 15 enabled |
JP3/B |
Closed |
|
Synchronous transmit clock on RS-232 pin 15 disabled |
JP3/B |
Open |
|
USER CONFIGURABLE SETTINGS (CON’T) | ||
|
Setting |
Label |
Position |
|
í Pin 15 of RS-232 port does not indicate 1200bps connection |
JP3/C |
Open |
|
Pin 15 of RS-232 port indicates 1200bps connection |
JP3/C |
Closed |
|
í RTS signal in on RS-232 pin 15 disabled |
JP3/D |
Open |
|
RTS signal in on RS-232 pin 15 enabled |
JP3/D |
Closed |
|
í Factory configured - do not alter |
JP4 |
N/A |
|
í DTR normal |
SW1/1 |
On |
|
DTR forced high |
SW1/1 |
Off |
|
í Microcom SX command set enabled (asynchronous mode only) |
SW1/2 |
On |
|
AT command set enabled (asynchronous mode only) |
SW1/2 |
Off |
|
í Result codes disabled (asynchronous mode only) |
SW1/3 |
On |
|
Result codes enabled (asynchronous mode only) |
SW1/3 |
Off |
|
í Command echo disabled (asynchronous mode only) |
SW1/4 |
Off |
|
Command echo enabled (asynchronous mode only) |
SW1/4 |
On |
|
í Auto-answer enabled (asynchronous mode only) |
SW1/5 |
On |
|
Auto-answer disabled (asynchronous mode only) |
SW1/5 |
Off |
|
í CD normal (asynchronous mode only) |
SW1/6 |
On |
|
CD forced high (asynchronous mode only) |
SW1/6 |
Off |
|
í Verbose result codes enabled (asynchronous mode only) |
SW1/7 |
On |
|
Numeric result codes enabled (asynchronous mode only) |
SW1/7 |
Off |
|
í Command sets disabled (asynchronous mode only) |
SW1/8 |
On |
|
Command sets enabled (asynchronous mode only) |
SW1/8 |
Off |
|
í MNP result codes disabled (asynchronous mode only) |
SW2/5 |
On |
|
MNP result codes enabled (asynchronous mode only) |
SW2/5 |
Off |
|
í Factory defaults not restored on reset (asynchronous AT command set only) |
SW2/6 |
On |
|
Factory defaults restored on reset (asynchronous AT command set only) |
SW2/6 |
Off |
|
í Switched line type (synchronous mode only) |
SW2/6 |
On |
|
Leased line type (synchronous mode only) |
SW2/6 |
Off |
|
í Configuration not set to switch settings on reset (asynchronous mode only) |
SW2/7 |
On |
|
Configuration set to switch settings on reset (asynchronous mode only) |
SW2/7 |
Off |
|
í Auto-answer disabled (synchronous mode only) |
SW2/7 |
On |
|
Auto-answer enabled (synchronous mode only) |
SW2/7 |
Off |
|
í Factory configured - do not alter |
SW2/8 |
Off |
|
AUTO-DIAL NUMBER (SYNCHRONOUS MODE ONLY) | ||||
|
Setting |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
|
First number |
Off |
On |
On |
On |
|
Second number |
On |
Off |
On |
On |
|
Third number |
On |
On |
Off |
On |
|
Fourth number |
On |
On |
On |
Off |
|
Disabled |
On |
On |
On |
On |
|
FLOW CONTROL (ASYNCHRONOUS MODE ONLY) | |||
|
Modem to DTE |
Modem to Modem |
SW2/1 |
SW2/2 |
|
Disabled |
Disabled |
On |
On |
|
XON/XOFF |
XON/XOFF |
On |
Off |
|
RTS/CTS |
XON/XOFF |
Off |
On |
|
Disabled |
Disabled |
Off |
Off |
|
CONNECT MODE (ASYNCHRONOUS MODE ONLY) | ||
|
Setting |
SW2/3 |
SW2/4 |
|
Normal mode |
On |
On |
|
Direct mode |
Off |
Off |
|
Reliable mode |
On |
Off |
|
Auto-reliable mode |
Off |
On |
|
CD, DSR, AND CTS SIGNALS (SYNCHRONOUS MODE ONLY) | ||||
|
CD Signal |
DSR Signal |
CTS Signal |
SW2/4 |
SW2/5 |
|
Forced high |
Forced high |
Forced high |
On |
On |
|
Normal |
Follows OH |
Normal |
On |
Off |
|
High except at disconnect |
High except at disconnect |
High except at disconnect |
Off |
On |
|
Normal |
Forced high |
Forced high |
Off |
Off |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Unidentified |
On |
Power is on |
|
PWR |
Unidentified |
Off |
Power is off |
|
TST |
Unidentified |
On |
System error has occurred or modem is retraining |
|
TST |
Unidentified |
Blinking |
Serial port is waiting to be configured |
|
TST |
Unidentified |
One blink |
Data error has occurred |
|
TST |
Unidentified |
Off |
Normal operation |
|
OH |
Unidentified |
On |
Modem is off-hook |
|
OH |
Unidentified |
Off |
Modem is on-hook |
|
HS |
Red |
On |
Modem is operating at 1200bps |
|
HS |
Red |
Off |
Modem is operating at 300bps |
|
DTR |
Unidentified |
On |
DTR signal is high |
|
DTR |
Unidentified |
Off |
DTR signal is low |
|
TX |
Unidentified |
Blinking |
Modem is transmitting data |
|
TX |
Unidentified |
Off |
Modem is not transmitting data |
|
RX |
Unidentified |
Blinking |
Modem is receiving data |
|
RX |
Unidentified |
Off |
Modem is not receiving data |
|
SUPPORTED STANDARD COMMANDS |
|
Basic AT Commands |
|
+++, ‘comma’, A/ |
|
A, B, E, H, I, M, O, P, Q, T, V, X, Z |
|
&D, &F, &G, &L, &M, &P, &R, &T, &W, &Z |
|
Extended AT Commands |
|
\A, \B, \C, \E, \G, \J, \L, \N, \O, \Q, \T, \U, \V, \X, \Y, \Z |
|
%A, %E |
|
S-Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S25, S26, S27 |
Note: See MHI documentation for complete information. |
See MICROCOM, INC. AX/2400 for a full command summary.