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# WESTERMO TELEINDUSTRI AB
MA-12DC
Card Type Modem
Chip Set Unidentified
I/O Options DC power via terminal block, 25-pin serial
port,
network interface via terminal block
Data Modulation ITU-T V.24/V.28
Protocol
Wiring Type Unshielded twisted pair
Maximum Data Rate 38.4Kbps
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| DC power (terminal | CN1 | 25-pin serial | CN3 |
| block) | | port | |
|---------------------+---------+------------------+---------|
| UTP interface | CN2 | | |
| (terminal block) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+---------+----------|
| 12V DC enabled | S2 | On |
|---------------------------------------+---------+----------|
| 36V DC enabled | S2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER CONTROL |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 | S1/3 | S1/4 | S1/5 | S1/6 |
|------------------+------+------+------+------+------+------|
| í Carrier forced | Off | On | Off | Off | Off | Off |
| high | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | Off | On | On | Off | Off | Off |
| activated by AUX | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | Off | On | Off | On | Off | Off |
| activated by SRS | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | Off | On | Off | Off | On | Off |
| activated by RFR | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | Off | On | Off | Off | Off | On |
| activated by RTS | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | On | Off | Off | Off | Off | Off |
| activated by DTR | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | On | Off | On | Off | Off | Off |
| activated by DTR | | | | | | |
| and AUX | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | On | Off | Off | On | Off | Off |
| activated by DTR | | | | | | |
| and SRS | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | On | Off | Off | Off | On | Off |
| activated by DTR | | | | | | |
| and RFR | | | | | | |
|------------------+------+------+------+------+------+------|
| Carrier | On | Off | Off | Off | Off | On |
| activated by DTR | | | | | | |
| and RTS | | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLEAR TO SEND CONTROL |
|------------------------------------------------------------|
| Setting | S1/7 | S1/8 | S1/9 |
|-----------------------------------+--------+-------+-------|
| í CTS controlled by RTS | On | Off | Off |
|-----------------------------------+--------+-------+-------|
| CTS forced high | Off | On | Off |
|-----------------------------------+--------+-------+-------|
| CTS follows DCD | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | On | Power is on |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | Off | Power is off |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | On | Modem is receiving data |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | Off | Modem is not receiving data |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | On | Modem is transmitting data |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | Off | Modem is not transmitting |
| | | | data |
|-----+--------------+--------+------------------------------|
| RTS | Unidentified | On | RTS signal is high |
|-----+--------------+--------+------------------------------|
| RTS | Unidentified | Off | RTS signal is low |
|-----+--------------+--------+------------------------------|
| DCD | Unidentified | On | Data carrier present |
|-----+--------------+--------+------------------------------|
| DCD | Unidentified | Off | Data carrier not present. |
| | | | Connection not established |
+------------------------------------------------------------+