MICROCOM, INC.
AX/1210
| 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 |
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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 |
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Setting |
Label |
Position |
|
| » | Busy out disabled | JP1 |
Pins 3 & 4 closed |
| Busy out enabled | JP1 |
Pins 1 & 2 closed |
|
| » | 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 |
|
| » | 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 |
|
| » | 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 |
|
| » | 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 |
|
| » | RTS signal in on RS-232 pin 15 disabled | JP3/D |
Open |
| RTS signal in on RS-232 pin 15 enabled | JP3/D |
Closed |
|
| » | Factory configured - do not alter | JP4 |
N/A |
| » | DTR normal | SW1/1 |
On |
| DTR forced high | SW1/1 |
Off |
|
| » | Microcom SX command set enabled (asynchronous mode only) | SW1/2 |
On |
| AT command set enabled (asynchronous mode only) | SW1/2 |
Off |
|
| » | Result codes disabled (asynchronous mode only) | SW1/3 |
On |
| Result codes enabled (asynchronous mode only) | SW1/3 |
Off |
|
| » | Command echo disabled (asynchronous mode only) | SW1/4 |
Off |
| Command echo enabled (asynchronous mode only) | SW1/4 |
On |
|
| » | Auto-answer enabled (asynchronous mode only) | SW1/5 |
On |
| Auto-answer disabled (asynchronous mode only) | SW1/5 |
Off |
|
| » | CD normal (asynchronous mode only) | SW1/6 |
On |
| CD forced high (asynchronous mode only) | SW1/6 |
Off |
|
| » | Verbose result codes enabled (asynchronous mode only) | SW1/7 |
On |
| Numeric result codes enabled (asynchronous mode only) | SW1/7 |
Off |
|
| » | Command sets disabled (asynchronous mode only) | SW1/8 |
On |
| Command sets enabled (asynchronous mode only) | SW1/8 |
Off |
|
| » | MNP result codes disabled (asynchronous mode only) | SW2/5 |
On |
| MNP result codes enabled (asynchronous mode only) | SW2/5 |
Off |
|
| » | 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 |
|
| » | Switched line type (synchronous mode only) | SW2/6 |
On |
| Leased line type (synchronous mode only) | SW2/6 |
Off |
|
| » | 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 |
|
| » | Auto-answer disabled (synchronous mode only) | SW2/7 |
On |
| Auto-answer enabled (synchronous mode only) | SW2/7 |
Off |
|
| » | Factory configured - do not alter | SW2/8 |
Off |
AUTO-DIAL NUMBER (SYNCHRONOUS MODE ONLY) |
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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) |
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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) |
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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 |
TRANSMISSION LEVEL |
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Setting |
SW3/1 |
SW3/2 |
SW3/3 |
|
-4dBm |
Off |
Off |
Off |
|
-6dBm |
Off |
Off |
On |
|
-8dBm |
Off |
On |
Off |
|
| » | -10dBm |
On |
On |
On |
-10dBm |
Off |
On |
On |
|
-12dBm |
On |
Off |
Off |
|
-14dBm |
On |
Off |
On |
|
-16dBm |
On |
On |
Off |
|
GUARD TONE |
|||
Setting |
SW3/4 |
SW3/5 |
|
| » | Software selected option not changed on reset |
On |
On |
550Hz guard tone |
Off |
On |
|
1800Hz guard tone |
On |
Off |
|
Disabled |
Off |
Off |
|
DIAGNOSTIC LED(S) |
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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. |
Proprietary Microcom SX Command Set
See MICROCOM, INC. AX/2400 for a full command summary.
COMMUNICATION PROTOCOL |
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| Type: | Configuration | |
| Format: | [cmds];BELL xx ;[cmds] | |
| Description: | Selects the communication protocol for data calls. | |
Command |
Protocol |
|
| » | BELLOFF |
Use ITU-T protocols. |
BELLON |
Use Bell protocols. | |
DIAL REPEATEDLY |
|
| Type: | Immediate |
| Format: | [cmds];RD <#> ;[cmds] |
| Description: | Dials the number indicated up to five times, pausing two and a half minutes between attempts. |