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# WESTERMO TELEINDUSTRI AB
LD-01
Card Type Modem
Chip Set Unidentified
I/O Options 9-pin serial port (RS-232), terminal blocks
(3)
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 |
|------------------------+-------+-------------------+-------|
| 9-pin DCE serial port | CN1 | DCE serial port - | CN4 |
| - channel 1 | | channel 4 | |
|------------------------+-------+-------------------+-------|
| DCE serial port - | CN2 | AC power (3 pole | CN5 |
| channel 2 (5 pole | | terminal block) | |
| terminal block) | | | |
|------------------------+-------+-------------------+-------|
| DCE serial port - | CN3 | | |
| channel 3 | | | |
|------------------------------------------------------------|
| Note: CN3 & CN4 are separate serial interfaces on a 9 pole |
| terminal block |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| 10mA balance current loop enabled on | J1 | Pins 2 & |
| channel 2 | | 3 closed |
|----------------------------------------+-------+-----------|
| RS-232-C/V.24 interface enabled on | J1 | Pins 1 & |
| channel 2 | | 2 closed |
|----------------------------------------+-------+-----------|
| 10mA balance current loop enabled on | J2 | Pins 2 & |
| channel 3 | | 3 closed |
|----------------------------------------+-------+-----------|
| RS-232-C/V.24 interface enabled on | J2 | Pins 1 & |
| channel 3 | | 2 closed |
|----------------------------------------+-------+-----------|
| í Factory configured - do not alter | S1/3 | Off |
|----------------------------------------+-------+-----------|
| í Factory configured - do not alter | S1/4 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MASTER/SLAVE CONFIGURATION |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 |
|----------------------------------------------+------+------|
| í Communication between all units enabled | On | On |
|----------------------------------------------+------+------|
| Communication between masters and slaves | Off | Off |
| enabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------+--------------+--------+-----------------------------|
| DCD2 | Unidentified | On | Data carrier present on |
| | | | channel 2 |
|------+--------------+--------+-----------------------------|
| DCD2 | Unidentified | Off | Data carrier not present. |
| | | | Connection not established |
| | | | on channel 2 |
|------+--------------+--------+-----------------------------|
| DCD3 | Unidentified | On | Data carrier present on |
| | | | channel 3 |
|------+--------------+--------+-----------------------------|
| DCD3 | Unidentified | Off | Data carrier not present. |
| | | | Connection not established |
| | | | on channel 3 |
|------+--------------+--------+-----------------------------|
| DCD4 | Unidentified | On | Data carrier present on |
| | | | channel 4 |
|------+--------------+--------+-----------------------------|
| DCD4 | Unidentified | Off | Data carrier not present. |
| | | | Connection not established |
| | | | on channel 4 |
+------------------------------------------------------------+