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