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# MOTOROLA, INC.
2140
Card Type Modem (synchronous/asynchronous)
Chip Set Unidentified
Maximum Data Rate 2400bps
Data Bus External
Data Modulation Protocol Unidentified
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Talk/data switch | SW1 |
|-----------------------+----------+------------------+------|
| Line in | CN2 | Power switch | SW2 |
|-----------------------+----------+------------------+------|
| RS-232/422 | CN3 | Volume | R1 |
|-----------------------+----------+------------------+------|
| AC power in | CN4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| í Chassis ground connected to signal | JP1 | Pins 2 & |
| ground | | 3 closed |
|----------------------------------------+-------+-----------|
| Chassis ground not connected to signal | JP1 | Pins 1 & |
| ground | | 2 closed |
|----------------------------------------+-------+-----------|
| í Transmit level set to -9 | JP3 | Pins 2 & |
| (permissive) | | 3 closed |
|----------------------------------------+-------+-----------|
| Transmit level set to programmable | JP3 | Pins 1 & |
| | | 2 closed |
|----------------------------------------+-------+-----------|
| í Internal clock source | S2/1 | Off |
|----------------------------------------+-------+-----------|
| External clock source | S2/1 | On |
|----------------------------------------+-------+-----------|
| í 511 scrambler disabled | S2/2 | Off |
|----------------------------------------+-------+-----------|
| 511 scrambler enabled | S2/2 | On |
|----------------------------------------+-------+-----------|
| í 200ms answer-back tone echo | S2/3 | On |
| suppression enabled | | |
|----------------------------------------+-------+-----------|
| 200ms answer-back tone echo | S2/3 | Off |
| suppression disabled | | |
|----------------------------------------+-------+-----------|
| í RTS/CTS synchronization delay set to | S2/4 | On |
| 150ms | | |
|----------------------------------------+-------+-----------|
| RTS/CTS synchronization delay set to | S2/4 | Off |
| 25ms | | |
|----------------------------------------+-------+-----------|
| í CD signal level set to -30dBm | S2/5 | Off |
|----------------------------------------+-------+-----------|
| CD signal level set to -45dBm | S2/5 | On |
|----------------------------------------+-------+-----------|
| í Modem will disconnect immediately on | S2/6 | Off |
| low DTR | | |
|----------------------------------------+-------+-----------|
| Modem will disconnect after 60 seconds | S2/6 | On |
| of low DTR | | |
|----------------------------------------+-------+-----------|
| í Do not squelch receiver during | S2/7 | Off |
| carrier detection | | |
|----------------------------------------+-------+-----------|
| Squelch receiver during carrier | S2/7 | On |
| detection | | |
|----------------------------------------+-------+-----------|
| í Auto-answer enabled | S2/8 | On |
|----------------------------------------+-------+-----------|
| Auto-answer disabled | S2/8 | Off |
|----------------------------------------+-------+-----------|
| í Wait for dial tone before dialing; | S3/1 | Off |
| comma modifier pause time normal | | |
|----------------------------------------+-------+-----------|
| Dial without waiting for dial tone; | S3/1 | On |
| comma modifier pause time set to 2s | | |
|----------------------------------------+-------+-----------|
| í Modem will not disconnect when CD | S3/2 | Off |
| and RTS are idle | | |
|----------------------------------------+-------+-----------|
| Modem will disconnect after 20 seconds | S3/2 | On |
| of idle CD and RTS | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANDSET POLARITY |
|------------------------------------------------------------|
| Setting | JP2 |
|----------------------------+-------------------------------|
| í Normal | Pins 1 & 2, 3 & 4 closed |
|----------------------------+-------------------------------|
| Reversed | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET |
|------------------------------------------------------------|
| Setting | S3/3 | S3/4 |
|---------------------+-------------------+------------------|
| í UDS proprietary | Off | Off |
|---------------------+-------------------+------------------|
| V.25bis Bisync mode | On | Off |
|---------------------+-------------------+------------------|
| V.25bis HDLC mode | Off | On |
|---------------------+-------------------+------------------|
| V.25bis SDLC mode | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT DETECTION TIME |
|------------------------------------------------------------|
| Setting | S4/1 | S4/2 |
|--------------------+-------------------+-------------------|
| í Disabled | Off | Off |
|--------------------+-------------------+-------------------|
| 8ms disconnect | On | Off |
|--------------------+-------------------+-------------------|
| 90ms disconnect | Off | On |
|--------------------+-------------------+-------------------|
| 200ms disconnect | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER |
|------------------------------------------------------------|
| Setting | S4/3 | S4/4 |
|--------------------------------+-------------+-------------|
| í On until connection | On | Off |
|--------------------------------+-------------+-------------|
| Always off | Off | Off |
|--------------------------------+-------------+-------------|
| On 30 seconds after connection | Off | On |
|--------------------------------+-------------+-------------|
| Always on | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE EQUALIZATION |
|------------------------------------------------------------|
| Setting | S4/5 | S4/6 |
|-----------------------+------------------+-----------------|
| No equalization | Off | On |
|-----------------------+------------------+-----------------|
| Normal equalization | Off | Off |
|-----------------------+------------------+-----------------|
| í Normal equalization | On | On |
|-----------------------+------------------+-----------------|
| Maximum equalization | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT DETECTION TIME |
|------------------------------------------------------------|
| Setting | S4/7 | S4/8 |
|------------------------------------+-----------+-----------|
| í DSR follows DTR with 120ms delay | On | Off |
|------------------------------------+-----------+-----------|
| DSR normal | Off | Off |
|------------------------------------+-----------+-----------|
| DSR forced high | Off | On |
|------------------------------------+-----------+-----------|
| DSR follows RTS | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+-------+----------+---------------------------------|
| MR/RI | Red | On | Power is on |
|-------+-------+----------+---------------------------------|
| MR/RI | Red | Off | Power is off |
|-------+-------+----------+---------------------------------|
| MR/RI | Red | Blinking | Phone is ringing |
|-------+-------+----------+---------------------------------|
| TR | Red | On | DTR signal is high |
|-------+-------+----------+---------------------------------|
| TR | Red | Off | DTR signal is low |
|-------+-------+----------+---------------------------------|
| 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 |
|-------+-------+----------+---------------------------------|
| CD | Red | On | Carrier signal has been |
| | | | detected |
|-------+-------+----------+---------------------------------|
| CD | Red | Off | Carrier signal has not been |
| | | | detected |
|-------+-------+----------+---------------------------------|
| RD | Red | On | Modem is receiving data |
|-------+-------+----------+---------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-------+-------+----------+---------------------------------|
| TD | Red | On | Modem is transmitting data |
|-------+-------+----------+---------------------------------|
| TD | Red | Off | Modem is not transmitting data |
|------------------------------------------------------------|
| Note: The function of PR/TM is unidentified. |
+------------------------------------------------------------+