COMPEX, INC. ANET16-1A (REV. B) NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 16-bit ISA Topology Star Linear Bus Wiring Type Unshielded twisted pair RG-62A/U 93ohm coaxial Boot ROM Available [Image] 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) INTERRUPT REQUEST IRQ JP1A JP1B JP1C JP1D JP1E JP1F JP1G JP1H JP1I » 2/9 Open Open Open Open Closed Open Open Open Open 3 Open Open Open Open Open Closed Open Open Open 4 Open Open Open Open Open Open Closed Open Open 5 Open Open Open Open Open Open Open Closed Open 7 Open Open Open Open Open Open Open Open Closed 10 Open Open Open Closed Open Open Open Open Open 11 Open Open Closed Open Open Open Open Open Open 12 Open Closed Open Open Open Open Open Open Open 15 Closed Open Open Open Open Open Open Open Open I/O BASE ADDRESS Address JP2A JP2B JP2C 260h Closed Closed Closed 290h Open Closed Closed » 2E0h Closed Open Closed 2F0h Open Open Closed 300h Closed Closed Open 350h Open Closed Open 380h Closed Open Open 3E0h Open Open Open BOOT ROM ADDRESS Address JP3A JP3B JP3C JP3D JP3E C0000h 1 Closed Closed Closed Closed Closed C4000h 1 Closed Closed Open Closed Closed CC000h Closed Closed Closed Open Closed » D0000h Closed Closed Open Open Closed D4000h Closed Closed Closed Closed Open D8000h Closed Closed Open Closed Open DC000h Closed Closed Closed Open Open E0000h Closed Closed Open Open Open Note 1 :These options can be supported by XT or fully XT-compatible PCs only. WAIT STATE Setting JP4 » Zero wait states disabled Open Zero wait states enabled Closed Note:If Zero wait state is enabled, IOCHRDY (JP5) must be disabled. I/O CHANNEL READY Setting JP5 » IOCHRDY signal disabled Open IOCHRDY signal enabled Closed Note:If IOCHRDY signal is enabled, Zero wait state (JP4) must be disabled. If optional PROM is installed, IOCHRDY must be enabled and Zero wait state (JP4) must be disabled. CABLE TYPE Type JP7 & JP8 » RG62A/U 93ohm coaxial Pins 1 & 2 Closed Unshielded twisted pair Pins 2 & 3 Closed TOPOLOGY CONFIGURATION Mode JP9 » Star Closed Linear Bus Open DIAGNOSTIC LED(S)S LED Color Status Condition LED1 Red On Network connection is good LED1 Red Blinking Network connection is bad or no other nodes are active LED2 Green On Data is being transmitted or received LED2 Green Off Data is not being transmitted or received LED2 Green Blinking System is being powered up