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# RAD DATA COMMUNICATIONS
ASM-10/8
Modem Type Data (synchronous/asynchronous)
Maximum Data Rate 19.2Kbps
Data Bus External
Data Modulation Protocol Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------+----------+-------------------------+----------|
| RS-232 | CN1 | Transmit | XMT |
|------------+----------+-------------------------+----------|
| AC power | CN2 | Digital loopback switch | DIG |
|------------+----------+-------------------------+----------|
| Ground | GND | Analog loopback switch | ANA |
|------------+----------+-------------------------+----------|
| Receive | RCV | Remote loopback swtich | REM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AGC |
|------------------------------------------------------------|
| Setting | JP12 |
|----------------------------+-------------------------------|
| » Forced high | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Normal | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ANALOG LOOPBACK |
|------------------------------------------------------------|
| Setting | JP8 |
|----------------------------+-------------------------------|
| » Enabled | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS LENGTH - bits |
|------------------------------------------------------------|
| Setting | SW2/S3 | SW2/S4 |
|--------------------+-------------------+-------------------|
| 8bits | Off | Off |
|--------------------+-------------------+-------------------|
| 9bits | Off | On |
|--------------------+-------------------+-------------------|
| » 10bits | On | Off |
|--------------------+-------------------+-------------------|
| 11bits | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS LENGTH - Characters |
|------------------------------------------------------------|
| Setting | SW2/S2 |
|------------------------------+-----------------------------|
| » 12.5% | Off |
|------------------------------+-----------------------------|
| 25% | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BAUD RATE |
|------------------------------------------------------------|
| Setting | SW1 |
|-------------------------------+----------------------------|
| 19.2Kbps | 0 |
|-------------------------------+----------------------------|
| 14.4Kbps | 1 |
|-------------------------------+----------------------------|
| » 9600bps | 2 |
|-------------------------------+----------------------------|
| 7200bps | 3 |
|-------------------------------+----------------------------|
| 4800bps | 4 |
|-------------------------------+----------------------------|
| 3600bps | 5 |
|-------------------------------+----------------------------|
| 2400bps | 6 |
|-------------------------------+----------------------------|
| 1200bps | 7 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Setting | JP4 |
|-----------------------------+------------------------------|
| CD normal | Pins 1 & 2 closed |
|-----------------------------+------------------------------|
| » CD forced high | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHASSIS TO SIGNAL GROUND |
|------------------------------------------------------------|
| Setting | JP11 |
|----------------------------+-------------------------------|
| » Connected | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disconnected | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C | JP1/D |
|--------------+-----------+-----------+----------+----------|
| » Internal | Closed | Open | Open | Open |
|--------------+-----------+-----------+----------+----------|
| External | Open | Closed | Open | Open |
|--------------+-----------+-----------+----------+----------|
| Receive | Open | Open | Closed | Open |
|--------------+-----------+-----------+----------+----------|
| Asynchronous | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ENABLE PUSHBUTTONS |
|------------------------------------------------------------|
| Setting | JP10 |
|-------------------------------+----------------------------|
| » DIG, ANA, REM enabled | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE CONNECTION |
|------------------------------------------------------------|
| Setting | JP2 |
|----------------------------+-------------------------------|
| » 4-wire | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 2-wire | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVE IMPEDANCE |
|------------------------------------------------------------|
| Setting | JP7/A | JP7/B | JP7/C | JP7/D |
|------------+-----------+-----------+-----------+-----------|
| » 150 Omhs | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 300 Omhs | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 600 Omhs | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| High | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE LOOPBACK |
|------------------------------------------------------------|
| Setting | JP9 |
|----------------------------+-------------------------------|
| » Enabled | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE POWER FAILURE |
|------------------------------------------------------------|
| Setting | JP14 |
|-------------------------------+----------------------------|
| » Transmit RPF tone | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| Doesn’t transmit RPF tone | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS DELAY |
|------------------------------------------------------------|
| Setting | JP3/A | JP3/B | JP3/C |
|---------------+--------------+--------------+--------------|
| 0 ms | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| » 8 ms | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 64 ms | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT IMPEDANCE |
|------------------------------------------------------------|
| Setting | JP6/A | JP6/B | JP6/C | JP6/D |
|------------+-----------+-----------+-----------+-----------|
| » 150 Omhs | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 300 Omhs | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 600 Omhs | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| Low | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT LEVEL |
|------------------------------------------------------------|
| Setting | JP5/A | JP5/B | JP5/C | JP5/D |
|------------+-----------+-----------+-----------+-----------|
| » 0dBm | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| -3dBm | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| -6dBm | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| -9dBm | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.54 DELAY |
|------------------------------------------------------------|
| Setting | JP13 |
|----------------------------+-------------------------------|
| On | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| » Off | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------+--------------------+-----------------|
| Asynchronous legnth | SW2/S1 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+----------+---------------------------------|
| PWR | Green | On | Power is on |
|------+--------+----------+---------------------------------|
| PWR | Green | Off | Power is off |
|------+--------+----------+---------------------------------|
| RTS | Yellow | On | Request to Send enabled |
|------+--------+----------+---------------------------------|
| RTS | Yellow | Off | Request to Send disabled |
|------+--------+----------+---------------------------------|
| TD | Yellow | On | Modem is transmitting steady |
| | | | SPACE |
|------+--------+----------+---------------------------------|
| TD | Yellow | Off | Modem is not transmitting data |
|------+--------+----------+---------------------------------|
| TD | Yellow | Blinking | Modem is transmitting data |
|------+--------+----------+---------------------------------|
| RD | Yellow | On | Modem is receiving steady SPACE |
|------+--------+----------+---------------------------------|
| RD | Yellow | Off | Modem is not receiving data |
|------+--------+----------+---------------------------------|
| RD | Yellow | Blinking | Modem is receiving data |
|------+--------+----------+---------------------------------|
| DCD | Yellow | On | Carrier signal detected |
|------+--------+----------+---------------------------------|
| DCD | Yellow | Off | Carrier signal not detected |
|------+--------+----------+---------------------------------|
| TEST | Red | On | Modem in test mode |
|------+--------+----------+---------------------------------|
| TEST | Red | Off | Modem not in test mode |
+------------------------------------------------------------+