NATURAL MICROSYSTEMS CORPORATION
DTI-48 REV. 2.4
|
Card Type |
T1 DSU |
|
Chip Set |
TI TMS320C51 |
|
Processor Type |
80376 (exact location is unidentified) |
|
Processor Speed |
Unidentified |
|
I/O options |
MVIP bus |
|
Maximum Data Rate |
1.544Mbps x 2, 64Kbps x 48 |
|
Data Bus |
16-bit ISA |
|
Data Modulation Protocol |
B8ZS |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Line 1 out |
J1 |
Audio handset |
J3 |
|
Line 2 out |
J2 |
MVIP bus |
J4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Factory configured - do not alter |
SW2/8 |
Off | |
|
Factory configured - do not alter |
SW3/8 |
Off | |
|
Factory configured - do not alter |
P1/E |
Open | |
|
Factory configured - do not alter |
P1/F |
Open | |
|
Factory configured - do not alter |
P3 |
Open | |
|
Factory configured - do not alter |
P5 |
Open | |
|
BASE I/O ADDRESS | |||||
|
Setting |
S4/1 |
S4/2 |
S4/3 |
S4/4 | |
|
200h |
On |
On |
On |
Off | |
|
300h |
On |
On |
On |
On | |
|
2200h |
On |
On |
Off |
Off | |
|
2300h |
On |
On |
Off |
On | |
|
4200h |
On |
Off |
On |
Off | |
|
4300h |
On |
Off |
On |
On | |
|
6200h |
On |
Off |
Off |
Off | |
|
6300h |
On |
Off |
Off |
On | |
|
8200h |
Off |
On |
On |
Off | |
|
8300h |
Off |
On |
On |
On | |
|
A200h |
Off |
On |
Off |
Off | |
|
A300h |
Off |
On |
Off |
On | |
|
C200h |
Off |
Off |
On |
Off | |
|
C300h |
Off |
Off |
On |
On | |
|
E200h |
Off |
Off |
Off |
Off | |
|
E300h |
Off |
Off |
Off |
On | |
|
CABLE LENGTH - LINE 1 | |||||||
|
Setting |
S2/1 |
S2/2 |
S2/3 |
S2/4 |
S2/5 |
S2/6 |
S2/7 |
|
0-150 |
On |
Off |
Off |
Off |
Off |
Off |
Off |
|
150-450 |
Off |
On |
Off |
On |
Off |
On |
Off |
|
450-655 |
Off |
Off |
On |
Off |
On |
Off |
On |
|
CABLE LENGTH - LINE 2 | |||||||
|
Setting |
S3/1 |
S3/2 |
S3/3 |
S3/4 |
S3/5 |
S3/6 |
S3/7 |
|
0-150 |
On |
Off |
Off |
Off |
Off |
Off |
Off |
|
150-450 |
Off |
On |
Off |
On |
Off |
On |
Off |
|
450-655 |
Off |
Off |
On |
Off |
On |
Off |
On |
|
T1 DIRECTION - LINE 1 | ||
|
Setting |
P8 | |
|
Normal |
Pins 1 & 2, 3 & 4 closed | |
|
Reversed |
Pins 1 & 3, 2 & 4 closed | |
|
T1 DIRECTION - LINE 2 | ||
|
Setting |
P10 | |
|
Normal |
Pins 1 & 2, 3 & 4 closed | |
|
Reversed |
Pins 1 & 3, 2 & 4 closed | |
|
MVIP BUS TERMINATION | |||||
|
Setting |
P1/A |
P1/B |
P1/C |
P1/D | |
|
Terminated |
Closed |
Closed |
Closed |
Closed | |
|
Not terminated |
Open |
Open |
Open |
Open | |