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# NATURAL MICROSYSTEMS CORPORATION
AG-T1
Card Type T1/ISDN CSU/DSU
Chip Set TI TMS320C51
I/O options MVIP bus, serial port
Processor 80386SX
Processor Speed 25MHz
Maximum Transfer Rate 1.544Mbps/64Kbps x 24
Maximum Onboard Memory 4MB DRAM/256KB SRAM
Data Bus 16-bit ISA
Data Modulation Protocol D4, B8ZS
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+-------+------------------------+-------|
| Line in | J2 | Mini-ISA daughterboard | JP8 |
|-------------------+-------+------------------------+-------|
| MVIP bus | JP5 | RS-232 port (see | JP20 |
| | | pinout below) | |
|-------------------+-------+------------------------+-------|
| DSP daughterboard | JP7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| JP20 PINOUT |
|------------------------------------------------------------|
| Pin | Function |
|----------------------------+-------------------------------|
| 1 | Ground |
|----------------------------+-------------------------------|
| 2 | Transmit |
|----------------------------+-------------------------------|
| 3 | Receive |
|----------------------------+-------------------------------|
| 4 | Ground |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/A | Closed |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/B | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/C | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/D | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/E | Closed |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/F | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/G | Open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | JP6/H | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (4) 1M x 4 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 4 | (4) 1M x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS (FIRST DIGIT) |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 | S1/3 |
|---------------+---------------+--------------+-------------|
| 0 xxx h | On | On | On |
|---------------+---------------+--------------+-------------|
| 2 xxx h | Off | On | On |
|---------------+---------------+--------------+-------------|
| 4 xxx h | On | Off | On |
|---------------+---------------+--------------+-------------|
| 6 xxx h | Off | Off | On |
|---------------+---------------+--------------+-------------|
| 8 xxx h | On | On | Off |
|---------------+---------------+--------------+-------------|
| A xxx h | Off | On | Off |
|---------------+---------------+--------------+-------------|
| C xxx h | On | Off | Off |
|---------------+---------------+--------------+-------------|
| E xxx h | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS (LAST THREE DIGITS) |
|------------------------------------------------------------|
| Setting | S1/4 | S1/5 | S1/6 |
|---------------+--------------+--------------+--------------|
| x 140h | Off | Off | Off |
|---------------+--------------+--------------+--------------|
| x 180h | Off | On | Off |
|---------------+--------------+--------------+--------------|
| x 1A0h | Off | Off | On |
|---------------+--------------+--------------+--------------|
| x 1C0h | Off | On | On |
|---------------+--------------+--------------+--------------|
| x 210h | On | Off | Off |
|---------------+--------------+--------------+--------------|
| x 280h | On | On | Off |
|---------------+--------------+--------------+--------------|
| x 2A0h | On | Off | On |
|---------------+--------------+--------------+--------------|
| x 2C0h | On | On | On |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| D1 | Red | On | MVIP processor request in progress |
|-----+-------+--------+-------------------------------------|
| D1 | Red | Off | MVIP processor request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D1 | Green | On | MVIP processor grant in progress |
|-----+-------+--------+-------------------------------------|
| D1 | Green | Off | MVIP processor grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D2 | Red | On | Task processor 1 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D2 | Red | Off | Task processor 1 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D2 | Green | On | Task processor 1 grant in progress |
|-----+-------+--------+-------------------------------------|
| D2 | Green | Off | Task processor 1 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D3 | Red | On | Task processor 2 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D3 | Red | Off | Task processor 2 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D3 | Green | On | Task processor 2 grant in progress |
|-----+-------+--------+-------------------------------------|
| D3 | Green | Off | Task processor 2 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D4 | Red | On | Task processor 3 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D4 | Red | Off | Task processor 3 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D4 | Green | On | Task processor 3 grant in progress |
|-----+-------+--------+-------------------------------------|
| D4 | Green | Off | Task processor 3 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D5 | Red | On | Task processor 4 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D5 | Red | Off | Task processor 4 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D5 | Green | On | Task processor 4 grant in progress |
|-----+-------+--------+-------------------------------------|
| D5 | Green | Off | Task processor 4 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D6 | Red | On | Task processor 5 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D6 | Red | Off | Task processor 5 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D6 | Green | On | Task processor 5 grant in progress |
|-----+-------+--------+-------------------------------------|
| D6 | Green | Off | Task processor 5 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D7 | Red | On | Task processor 6 request in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D7 | Red | Off | Task processor 6 request not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D7 | Green | On | Task processor 6 grant in progress |
|-----+-------+--------+-------------------------------------|
| D7 | Green | Off | Task processor 6 grant not in |
| | | | progress |
|-----+-------+--------+-------------------------------------|
| D8 | Red | On | Processor is reset |
|-----+-------+--------+-------------------------------------|
| D8 | Red | Off | Processor is not reset |
|-----+-------+--------+-------------------------------------|
| D8 | Green | On | SRAM is busy |
|-----+-------+--------+-------------------------------------|
| D8 | Green | Off | SRAM is not busy |
|-----+-------+--------+-------------------------------------|
| D9 | Red | On | Processor is transmitting data |
|-----+-------+--------+-------------------------------------|
| D9 | Red | Off | Processor is receiving data |
|-----+-------+--------+-------------------------------------|
| D9 | Green | On | Host is reading/writing to SRAM |
|-----+-------+--------+-------------------------------------|
| D9 | Green | Off | Processor is reading/writing to |
| | | | SRAM |
|-----+-------+--------+-------------------------------------|
| D10 | Red | On | DSP chips are reset |
|-----+-------+--------+-------------------------------------|
| D10 | Red | Off | DSP chips are not reset |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) (CON’T) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------+--------+------------------------------------|
| D11 | Green | On | Diagnostics are being performed |
|-----+--------+--------+------------------------------------|
| D11 | Green | Off | Diagnostics are not being |
| | | | performed |
|-----+--------+--------+------------------------------------|
| D12 | Red | On | Red alert status has occurred |
|-----+--------+--------+------------------------------------|
| D12 | Red | Off | Red alert status has not occurred |
|-----+--------+--------+------------------------------------|
| D13 | Green | On | T1 signal detected |
|-----+--------+--------+------------------------------------|
| D13 | Green | Off | T1 signal not detected |
|-----+--------+--------+------------------------------------|
| D14 | Yellow | On | Yellow alert status has occurred |
|-----+--------+--------+------------------------------------|
| D14 | Yellow | Off | Yellow alert status has not |
| | | | occurred |
+------------------------------------------------------------+