ADDTRON TECHNOLOGY COMPANY, LTD.
ARC 120TP
|
NIC Type |
ARCnet |
|
Transfer Rate |
2.5Mbps |
|
Data Bus |
8-bit ISA |
|
Topology |
Star Linear bus |
|
Wiring Type |
Unshielded twisted pair RG-62A/U 93ohm coaxial |
|
Boot ROM |
Available |

|
NODE ADDRESS |
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|
Node |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
0 |
- |
- |
- |
- |
- |
- |
- |
- |
|
1 |
Off |
On |
On |
On |
On |
On |
On |
On |
|
2 |
On |
Off |
On |
On |
On |
On |
On |
On |
|
3 |
Off |
Off |
On |
On |
On |
On |
On |
On |
|
4 |
On |
On |
Off |
On |
On |
On |
On |
On |
|
251 |
Off |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
252 |
On |
On |
Off |
Off |
Off |
Off |
Off |
Off |
|
253 |
Off |
On |
Off |
Off |
Off |
Off |
Off |
Off |
|
254 |
On |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
255 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
Note:Node address 0 is used for messaging between nodes and must not be used. A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1) |
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|
BOOT ROM |
||
|
Setting |
JP1A |
|
|
» |
Disabled |
Open |
|
|
Enabled |
Closed |
|
CABLE LENGTH AND RESPONSE/RECONFIGURATION TIMEOUTS |
|||||
|
Cable Length |
Response Time |
Reconfiguration |
JP1B |
JP1C |
|
|
» |
< 20,000 feet |
74.7µs |
840ms |
Open |
Open |
|
|
> 20,000 feet |
283.4µs |
1680ms |
Open |
Closed |
|
|
> 20,000 feet |
561.8µs |
1680ms |
Closed |
Open |
|
|
> 20,000 feet |
1118.6µs |
1680ms |
Closed |
Closed |
|
Note: All NICs on the network must have this option set the same. |
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|
INTERRUPT REQUEST |
||||||
|
IRQ |
JP1D |
JP1E |
JP1F |
JP1G |
JP1H |
|
|
» |
2/9 |
Closed |
Open |
Open |
Open |
Open |
|
|
3 |
Open |
Closed |
Open |
Open |
Open |
|
|
4 |
Open |
Open |
Closed |
Open |
Open |
|
|
5 |
Open |
Open |
Open |
Closed |
Open |
|
|
7 |
Open |
Open |
Open |
Open |
Closed |
|
CONNECTOR TYPE |
||
|
Type |
JP2A |
JP2B |
|
Unshielded twisted pair |
Closed |
Open |
|
RG62A/U 93ohm coaxial |
Open |
Closed |
|
ONBOARD TERMINATOR |
|||
|
Setting |
JP2C |
||
|
» |
Enabled |
Closed |
|
|
|
Disabled |
Open |
|
|
|
Notes:If the card is on either end of a linear bus network segment, the onboard terminator may be used instead of using an external terminator. |
||
|
I/O BASE ADDRESS |
||||
|
Address |
SW2/6 |
SW2/7 |
SW2/8 |
|
|
|
260-26Fh |
On |
On |
On |
|
|
290-29Fh |
Off |
On |
On |
|
» |
2E0-2EFh |
On |
Off |
On |
|
|
2F0-2FFh |
Off |
Off |
On |
|
|
300-30Fh |
On |
On |
Off |
|
|
350-35Fh |
Off |
On |
Off |
|
|
380-38Fh |
On |
Off |
Off |
|
|
3E0-3EFh |
Off |
Off |
Off |
|
BASE MEMORY ADDRESS & BOOT ROM ADDRESS |
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|
Base Address |
Boot ROM Address |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
|
|
C0000-C07FFh |
C2000-C3FFFh |
On |
On |
On |
On |
On |
|
|
C0800-C0FFFh |
C2000-C3FFFh |
Off |
On |
On |
On |
On |
|
|
C1000-C17FFh |
C2000-C3FFFh |
On |
Off |
On |
On |
On |
|
|
C1800-C1FFFh |
C2000-C3FFFh |
Off |
Off |
On |
On |
On |
|
|
C4000-C47FFh |
C6000-C7FFFh |
On |
On |
Off |
On |
On |
|
|
C4800-C4FFFh |
C6000-C7FFFh |
Off |
On |
Off |
On |
On |
|
|
C5000-C57FFh |
C6000-C7FFFh |
On |
Off |
Off |
On |
On |
|
|
C5800-C5FFFh |
C6000-C7FFFh |
Off |
Off |
Off |
On |
On |
|
|
CC000-CC7FFh |
CE000-CFFFFh |
On |
On |
On |
Off |
On |
|
|
CC800-CCFFFh |
CE000-CFFFFh |
Off |
On |
On |
Off |
On |
|
|
CD000-CD7FFh |
CE000-CFFFFh |
On |
Off |
On |
Off |
On |
|
|
CD800-CDFFFh |
CE000-CFFFFh |
Off |
Off |
On |
Off |
On |
|
» |
D0000-D07FFh |
D2000-D3FFFh |
On |
On |
Off |
Off |
On |
|
|
D0800-D0FFFh |
D2000-D3FFFh |
Off |
On |
Off |
Off |
On |
|
|
D1000-D17FFh |
D2000-D3FFFh |
On |
Off |
Off |
Off |
On |
|
|
D1800-D1FFFh |
D2000-D3FFFh |
Off |
Off |
Off |
Off |
On |
|
|
D4000-D47FFh |
D6000-D7FFFh |
On |
On |
On |
On |
Off |
|
|
D4800-D4FFFh |
D6000-D7FFFh |
Off |
On |
On |
On |
Off |
|
|
D5000-D57FFh |
D6000-D7FFFh |
On |
Off |
On |
On |
Off |
|
|
D5800 D5FFFh |
D6000-D7FFFh |
Off |
Off |
On |
On |
Off |
|
|
D8000-D87FFh |
DA000-DBFFFh |
On |
On |
Off |
On |
Off |
|
|
D8800-D8FFFh |
DA000-DBFFFh |
Off |
On |
Off |
On |
Off |
|
|
D9000-D97FFh |
DA000-DBFFFh |
On |
Off |
Off |
On |
Off |
|
|
D9800-D9FFFh |
DA000-DBFFFh |
Off |
Off |
Off |
On |
Off |
|
|
DC000-DC7FFh |
DE000-DFFFFh |
On |
On |
On |
Off |
Off |
|
|
DC800-DCFFFh |
DE000-DFFFFh |
Off |
On |
On |
Off |
Off |
|
|
DD000-DD7FFh |
DE000-DFFFFh |
On |
Off |
On |
Off |
Off |
|
|
DD800-DDFFFh |
DE000-DFFFFh |
Off |
Off |
On |
Off |
Off |
|
|
E0000-E07FFh |
E2000-E3FFFh |
On |
On |
Off |
Off |
Off |
|
|
E0800-E0FFFh |
E2000-E3FFFh |
Off |
On |
Off |
Off |
Off |
|
|
E1000-E17FFh |
E2000-E3FFFh |
On |
Off |
Off |
Off |
Off |
|
|
E1800-E1FFFh |
E2000-E3FFFh |
Off |
Off |
Off |
Off |
Off |
|
DIAGNOSTIC LED(S) |
||
|
Color |
Status |
Condition |
|
Green |
On |
Twisted pair network connection is good |
|
Green |
Off |
Twisted pair network connection is broken |
|
Red |
On |
Data is being transmitted or received. |
|
Red |
Off |
Data is not being transmitted or received. |