(TXT) View Source
# 3COM CORPORATION
COURIER V.32BIS WITH ASL
Modem Type Data (synchronous/asynchronous)
Maximum Data Rate 14.4Kbps
Data Bus External
Data Modulation Bell 103A/212A
Protocol
ITU-T V.22, V.22bis, V.23, V.32,
V.32bis
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | DC power | CN4 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Volume | R1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | Power switch | SW2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MI/MIC POLARITY |
|------------------------------------------------------------|
| Setting | J6 | J8 |
|------------------+--------------------+--------------------|
| » Normal | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Reversed | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TX/RX PIN ASSIGNMENT |
|------------------------------------------------------------|
| Setting | SW3 |
|----------------------------+-------------------------------|
| » Off | Normal operation |
|----------------------------+-------------------------------|
| On | reverse TX/RX pin assignments |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR SIGNAL |
|------------------------------------------------------------|
| Setting | SW1/1 |
|----------------------------+-------------------------------|
| » On | DTR forced high |
|----------------------------+-------------------------------|
| Off | DTR normal |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Setting | SW1/2 |
|----------------------------+-------------------------------|
| » Off | Verbose result codes enabled |
|----------------------------+-------------------------------|
| On | Numeric result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/3 |
|----------------------------+-------------------------------|
| » On | Display enabled |
|----------------------------+-------------------------------|
| Off | Display disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO COMMANDS DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/4 |
|----------------------------+-------------------------------|
| » Off | Local echo enabled |
|----------------------------+-------------------------------|
| On | Local echo disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO ANSWER |
|------------------------------------------------------------|
| Setting | SW1/5 |
|----------------------+-------------------------------------|
| » On | Modem does not answer on first ring |
|----------------------+-------------------------------------|
| Off | Modem answers on first ring |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER DETECT |
|------------------------------------------------------------|
| Setting | SW1/6 |
|----------------------------+-------------------------------|
| » Off | CD normal |
|----------------------------+-------------------------------|
| On | CD forced high |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES DISPLAY |
|------------------------------------------------------------|
| Setting | SW1/7 |
|---------+--------------------------------------------------|
| » Off | Display result codes in originate and answer |
| | modes |
|---------+--------------------------------------------------|
| On | display result codes in Answer mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT COMMAND SET |
|------------------------------------------------------------|
| Setting | SW1/8 |
|----------------------------+-------------------------------|
| » On | AT command set enabled |
|----------------------------+-------------------------------|
| Off | AT command set disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE CODE |
|------------------------------------------------------------|
| Setting | SW1/9 |
|---------+--------------------------------------------------|
| » Off | Disconnect, go to command mode and display NO |
| | CARRIER when escape character is received |
|---------+--------------------------------------------------|
| On | Go to command mode and display OK result code |
| | when escape character is received |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER PROFILE |
|------------------------------------------------------------|
| Setting | SW1/10 |
|----------------------------+-------------------------------|
| » Off | Use stored profile |
|----------------------------+-------------------------------|
| On | Use factory default |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE/DATA |
|------------------------------------------------------------|
| Setting | SW4 |
|------------------------------------------------------------|
| Note: for switch functions see table for register S32. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| 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 |
|-----+-------+----------+-----------------------------------|
| 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 |
|-----+-------+----------+-----------------------------------|
| RX | Red | Blinking | Modem is receiving data |
|-----+-------+----------+-----------------------------------|
| RX | Red | Off | Modem is not receiving data |
|-----+-------+----------+-----------------------------------|
| TX | Red | Blinking | Modem is transmitting data |
|-----+-------+----------+-----------------------------------|
| TX | 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 |
|-----+-------+----------+-----------------------------------|
| MR | Red | Blinking | Retraining/test mode |
|-----+-------+----------+-----------------------------------|
| RS | Red | On | RTS signal is high |
|-----+-------+----------+-----------------------------------|
| RS | Red | Off | RTS signal is low |
|-----+-------+----------+-----------------------------------|
| CS | Red | On | CTS signal is high |
|-----+-------+----------+-----------------------------------|
| CS | Red | Off | CTS signal is low |
|-----+-------+----------+-----------------------------------|
| EC | Red | On | Error control enabled |
|-----+-------+----------+-----------------------------------|
| EC | Red | Off | Error control disabled |
|-----+-------+----------+-----------------------------------|
| EC | Red | Blinking | Modem is retransmitting data |
|-----+-------+----------+-----------------------------------|
| SYN | Red | On | Synchronous mode |
|-----+-------+----------+-----------------------------------|
| SYN | Red | Off | Asynchronous mode |
+------------------------------------------------------------+
Proprietary AT Command Set
See document V1264 for a full command summary.