NETWORK INTERFACE TECHNOLOGY CORPORATION
PCARC-AT
| 
 NIC Type  | 
 Arcnet  | 
| 
 Transfer Rate  | 
 2.5Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Star  | 
| 
 Wiring Type  | 
 RG-62A/U 93ohm coaxial  | 
| 
 Boot ROM  | 
 Available  | 
| 
 CONNECTIONS  | |
| 
 Purpose  | 
 Location  | 
| 
 NITC active hub connector  | 
 J2  | 
| 
 NODE ADDRESS SELECTION  | ||||||||
| 
 Address  | 
 SW3/1  | 
 SW3/2  | 
 SW3/3  | 
 SW3/4  | 
 SW3/5  | 
 SW3/6  | 
 SW3/7  | 
 SW3/8  | 
| 
 0  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 1  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 2  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 3  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 4  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 251  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 252  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 253  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 254  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 255  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 Note: A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch SW3/8 is the Least Significant Bit and switch SW3/1 is the Most Significant Bit. The switches have the following decimal values: switch SW3/8=1, SW3/7=2, SW3/6=4, SW3/5=8, SW3/4=16, SW3/3=32, SW3/2=64, SW3/1=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (on=0, off=1)  | ||||||||
| 
 BANYAN SERVER SELECTION  | ||
| 
 Setting  | 
 SW4/8  | |
| » | 
 Normal Server  | 
 On  | 
| 
 Banyan Server  | 
 Off  | |
| 
 SHARED RAM CONFIGURATION  | ||||||
| 
 Address  | 
 Banyan Address  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | |
| 
 C0000h  | 
 0000h  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 C4000h  | 
 0400h  | 
 Off  | 
 Off  | 
 Off  | 
 On  | |
| 
 C8000h  | 
 0800h  | 
 Off  | 
 Off  | 
 On  | 
 Off  | |
| 
 CC000h  | 
 0C00h  | 
 Off  | 
 Off  | 
 On  | 
 On  | |
| » | 
 D0000h  | 
 1000h  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 D4000h  | 
 1400h  | 
 Off  | 
 On  | 
 Off  | 
 On  | |
| 
 D8000h  | 
 1800h  | 
 Off  | 
 On  | 
 On  | 
 Off  | |
| 
 DC000h  | 
 1C00h  | 
 Off  | 
 On  | 
 On  | 
 On  | |
| 
 E0000h  | 
 2000h  | 
 On  | 
 Off  | 
 Off  | 
 Off  | |
| 
 E4000h  | 
 2400h  | 
 On  | 
 Off  | 
 Off  | 
 On  | |
| 
 E8000h  | 
 2800h  | 
 On  | 
 Off  | 
 On  | 
 Off  | |
| 
 EC000h  | 
 2C00h  | 
 On  | 
 Off  | 
 On  | 
 On  | |
| 
 F0000h  | 
 3000h  | 
 On  | 
 On  | 
 Off  | 
 Off  | |
| 
 F4000h  | 
 3400h  | 
 On  | 
 On  | 
 Off  | 
 On  | |
| 
 F8000h  | 
 3800h  | 
 On  | 
 On  | 
 On  | 
 Off  | |
| 
 FC000h  | 
 3C00h  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 INTERRUPT SELECTION  | ||||||||||||
| 
 IRQ  | 
 SW2 4  | 
 SW2 5  | 
 SW2 6  | 
 SW2 7  | 
 SW2 8  | 
 SW4 1  | 
 SW4 2  | 
 SW4 3  | 
 SW4 4  | 
 SW4 5  | 
 SW4 6  | |
| » | 
 2  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | |||||
| 
 3  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 4  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 5  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 6  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 7  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 10  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 11  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | |
| 
 12  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | |
| 
 14  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | |
| 
 15  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | |
| 
 TIME OUT CONFIGURATION  | |||||
| 
 Response (micro Sec)  | 
 Reconfig. (ms)  | 
 Distance  | 
 SW1/1  | 
 SW1/2  | |
| » | 
 74.7  | 
 840  | 
 3.8 miles  | 
 Off  | 
 Off  | 
| 
 283.4  | 
 1680  | 
 17.5 miles  | 
 Off  | 
 On  | |
| 
 561.8  | 
 1680  | 
 35.5 miles  | 
 On  | 
 Off  | |
| 
 1118.6  | 
 1680  | 
 71.4miles  | 
 On  | 
 On  | |
| 
 BASE I/O ADDRESS SELECTION  | ||||||
| 
 Address  | 
 SW1/7  | 
 SW1/8  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | |
| 
 200h  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 210h  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | |
| 
 220h  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | |
| 
 230h  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | |
| 
 240h  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | |
| 
 250h  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 On  | |
| 
 260h  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 Off  | |
| 
 270h  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | |
| 
 280h  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | |
| 
 290h  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 On  | |
| 
 2A0h  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | |
| 
 2B0h  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 On  | |
| 
 2C0h  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | |
| 
 2D0h  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 On  | |
| » | 
 2E0h  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 2F0h  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 300h  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 310h  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | |
| 
 320h  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | |
| 
 330h  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | |
| 
 340h  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | |
| 
 350h  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 On  | |
| 
 360h  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 Off  | |
| 
 370h  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | |
| 
 380h  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | |
| 
 390h  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | |
| 
 3A0h  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | |
| 
 3B0h  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | |
| 
 3C0h  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | |
| 
 3D0h  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | |
| 
 3E0h  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | |
| 
 3F0h  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 BOOT ROM SELECTION  | ||
| 
 Mode  | 
 SW4/7  | |
| » | 
 Disabled  | 
 Off  | 
| 
 Enabled  | 
 On  | |
| 
 FACTORY CONFIGURED - DO NOT ALTER  | |
| 
 Jumper  | 
 Position  | 
| 
 JP1  | 
 N/A  | 
| 
 JP2  | 
 N/A  | 
| 
 JP3  | 
 N/A  | 
| 
 JP4  | 
 N/A  | 
| 
 JP5  | 
 N/A  | 
| 
 JP6  | 
 N/A  | 
| 
 JP7  | 
 N/A  | 
| 
 DIAGNOSTIC LED(S)  | ||
| 
 LED  | 
 Status  | 
 Condition  | 
| 
 LED1  | 
 On  | 
 Network connection is good  | 
| 
 LED1  | 
 Blinking  | 
 Network reconfigurations occuring  | 
| 
 LED1  | 
 Off  | 
 Network connection is bad  | 
| 
 MISCELLANEOUS TECHNICAL NOTE  | 
| 
 Note:On some boards the Factory Configured jumpers may not be there.  |