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# RAD DATA COMMUNICATIONS
ASM-11
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 |
|----------------+----------+---------------------+----------|
| Line in | CN1 | Fuse | FUSE |
|----------------+----------+---------------------+----------|
| RS-232/422 | CN2 | ANA/NOR/REM switch | SW1 |
|----------------+----------+---------------------+----------|
| AC power | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AGC |
|------------------------------------------------------------|
| Setting | JP10 |
|----------------------------+-------------------------------|
| » Forced high | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Normal | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ANALOG LOOPBACK |
|------------------------------------------------------------|
| Setting | JP6 |
|----------------------------+-------------------------------|
| » Enabled | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS LENGTH - bits |
|------------------------------------------------------------|
| Setting | SW3/S3 | SW3/S4 |
|--------------------+-------------------+-------------------|
| 8bits | Off | Off |
|--------------------+-------------------+-------------------|
| 9bits | Off | On |
|--------------------+-------------------+-------------------|
| » 10bits | On | Off |
|--------------------+-------------------+-------------------|
| 11bits | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS LENGTH - Characters |
|------------------------------------------------------------|
| Setting | SW3/S2 |
|------------------------------+-----------------------------|
| » 12.5% | Off |
|------------------------------+-----------------------------|
| 25% | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BAUD RATE |
|------------------------------------------------------------|
| Setting | SW2 |
|-------------------------------+----------------------------|
| 19.2Kbps | 0 |
|-------------------------------+----------------------------|
| 14.4Kbps | 1 |
|-------------------------------+----------------------------|
| » 9600bps | 2 |
|-------------------------------+----------------------------|
| 7200bps | 3 |
|-------------------------------+----------------------------|
| 4800bps | 4 |
|-------------------------------+----------------------------|
| 3600bps | 5 |
|-------------------------------+----------------------------|
| 2400bps | 6 |
|-------------------------------+----------------------------|
| 1200bps | 7 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Setting | JP2 |
|-----------------------------+------------------------------|
| CD normal | Pins 1 & 2 closed |
|-----------------------------+------------------------------|
| » CD forced high | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHASSIS TO SIGNAL GROUND |
|------------------------------------------------------------|
| Setting | JP9 |
|----------------------------+-------------------------------|
| » Connected | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disconnected | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ENABLE TOGGLE SWITCH |
|------------------------------------------------------------|
| Setting | JP8 |
|------------------------------+-----------------------------|
| » ANA, REM enabled | Pins 2 & 3 closed |
|------------------------------+-----------------------------|
| Disabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVE IMPEDANCE |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| » 150 Omhs | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| High | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE LOOPBACK |
|------------------------------------------------------------|
| Setting | JP7 |
|----------------------------+-------------------------------|
| » Enabled | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS DELAY |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C |
|---------------+--------------+--------------+--------------|
| 0ms | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| » 8ms | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 64ms | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT IMPEDANCE |
|------------------------------------------------------------|
| Setting | JP4 |
|----------------------------+-------------------------------|
| » 150omhs | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Low | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT LEVEL |
|------------------------------------------------------------|
| Setting | JP3 |
|----------------------------+-------------------------------|
| » 0dBm | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| -6dBm | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGERABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| Factory configured - Do not | SW3/S1 | Not used |
| alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+