DANPEX CORPORATION
AN-550S/AN-550BT
NIC Type | ARCnet |
Transfer Rate | 2Mbps |
Data Bus | 16-bit ISA |
Topology | Star (AN-550S) Linear Bus (AN-550BT) |
Wiring Type | Shielded/Unshielded twisted pair RG62A/U 93ohm coaxial |
Boot ROM | Available |

NODE ADDRESS | ||||||||
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) | ||||||||
BASE MEMORY ADDRESS & BOOT ROM ADDRESS | |||||||
Base Address | Boot ROM | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | |
C0000h | C2000h | On | On | On | On | On | |
C0800h | C2000h | Off | On | On | On | On | |
C1000h | C2000h | On | Off | On | On | On | |
C1800h | C2000h | Off | Off | On | On | On | |
C4000h | C6000h | On | On | Off | On | On | |
C4800h | C6000h | Off | On | Off | On | On | |
C5000h | C6000h | On | Off | Off | On | On | |
C5800h | C6000h | Off | Off | Off | On | On | |
CC000h | CE000h | On | On | On | Off | On | |
CC800h | CE000h | Off | On | On | Off | On | |
CD000h | CE000h | On | Off | On | Off | On | |
CD800h | CE000h | Off | Off | On | Off | On | |
| » | D0000h | D2000h | On | On | Off | Off | On |
D0800h | D2000h | Off | On | Off | Off | On | |
D1000h | D2000h | On | Off | Off | Off | On | |
D1800h | D2000h | Off | Off | Off | Off | On | |
D4000h | D6000h | On | On | On | On | Off | |
D4800h | D6000h | Off | On | On | On | Off | |
D5000h | D6000h | On | Off | On | On | Off | |
D5800h | D6000h | Off | Off | On | On | Off | |
D8000h | DA000h | On | On | Off | On | Off | |
D8800h | DA000h | Off | On | Off | On | Off | |
D9000h | DA000h | On | Off | Off | On | Off | |
D9800h | DA000h | Off | Off | Off | On | Off | |
DC000h | DE000h | On | On | On | Off | Off | |
DC800h | DE000h | Off | On | On | Off | Off | |
DD000h | DE000h | On | Off | On | Off | Off | |
DD800h | DE000h | Off | Off | On | Off | Off | |
E0000h | E2000h | On | On | Off | Off | Off | |
E0800h | E2000h | Off | On | Off | Off | Off | |
E1000h | E2000h | On | Off | Off | Off | Off | |
E1800h | E2000h | Off | Off | Off | Off | Off | |
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 | |
BOOT ROM | ||
Setting | SW2/9 | |
| » | Disabled | Off |
Enabled | On | |
ONBOARD TERMINATOR | ||
Setting | SW1/10 | |
| » | Disabled | Off |
Enabled | On | |
Note:If the card is the last card in the network segment, the onboard terminator must be enabled. If the card
| ||
INTERRUPT REQUEST | |||||||||
IRQ | JP2A | JP2B | JP2C | JP2D | JP2E | JP2F | JP2G | JP2H | |
| » | 2/9 | Closed | Open | Open | Open | Open | Open | Open | Open |
3 | Open | Closed | Open | Open | Open | Open | Open | Open | |
4 | Open | Open | Closed | Open | Open | Open | Open | Open | |
5 | Open | Open | Open | Closed | Open | Open | Open | Open | |
7 | Open | Open | Open | Open | Closed | Open | Open | Open | |
10 | Open | Open | Open | Open | Open | Closed | Open | Open | |
12 | Open | Open | Open | Open | Open | Open | Closed | Open | |
15 | Open | Open | Open | Open | Open | Open | Open | Closed | |
CABLE TYPE | |||
Type | JP4 | JP5 | |
| » | RG62A/U 93ohm coaxial | Pins 2 & 3 closed | Pins 2 & 3 closed |
Shielded/Unshielded twisted pair | Pins 1 & 2 closed | Pins 1 & 2 closed | |
FACTORY CONFIGURED SETTINGS | |
Jumper | Setting |
JP1 | Unused |
DIAGNOSTIC LED(S) | ||
LED | Status | Condition |
LED1 | On | Card is receiving power and is operating properly |
LED1 | Blinking | Data is being transmitted or received |
LED1 | Off | Card is not receiving power or is defective |
MISCELLANEOUS NOTES |
The AN-550S uses a star topology while the AN-550BT uses a linear bus topology. Other than topology, the two cards are identical. |