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 |
CONNECTIONS | |||
Function | Label | Function | Label |
Line in | J2 | Mini-ISA daughterboard | JP8 |
MVIP bus | JP5 | RS-232 port (see pinout below) | JP20 |
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 |
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 |