COMPEX, INC. ANET-1A/ANET-1(REVISION K) NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Linear bus Star Wiring Type Unshielded twisted pair Boot ROM Available [Image] BASE MEMORY ADDRESS SELECT Address J2/A J2/B J2/C J2/D J2/E » D0000h Closed Open Open Closed Closed C0000h Closed Closed Closed Closed Closed C4000h Closed Closed Open Closed Closed CC000h Closed Open Closed Closed Closed D4000h Open Closed Closed Closed Closed D8000h Open Closed Open Closed Closed DC000h Open Open Closed Closed Closed E0000h Open Open Open Closed Closed BOOT ROM Setting J1/C » Disabled open Enabled closed CABLE TOPOLOGY Setting J7 » Star Closed Linear bus Open CABLE TYPE Type J5 J6 » RG58A/U 50ohm coaxial Pins 1 & 2 closed Pins 1 & 2 closed Unshielded twisted Pins 2 & 3 closed Pins 2 & 3 closed pair CONNECTIONS Purpose Location External LED connector LJ1 INTERRUPT SELECT IRQ J4/A J4/B J4/C J4/D J4/E » IRQ2 Closed Open Open Open Open IRQ3 Open Closed Open Open Open IRQ4 Open Open Closed Open Open IRQ5 Open Open Open Closed Open IRQ7 Open Open Open Open Closed I/O ADDRESS SELECT Address J3/A J3/B J3/C » 2E0h Closed Open Closed 260h Closed Closed Closed 290h Closed Closed Open 2F0h Closed Open Open 300h Open Closed Closed 350h Open Closed Open 380h Open Open Closed 3E0h Open Open Open 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) TIMEOUT CONFIGURATION Response Time J1/A J1/B » 74.7µs open open 283.4µs open closed 561.8µs closed open 1118.6µs closed closed DIAGNOSTIC LED LED Color Status Condition LED1 Green On Data is being received LED1 Green Off Data is not being received LED2 Red Blinking Network connection is broken LED2 Red On Network connection is good