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 [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) 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 Pins 2 & 3 closed closed Shielded/Unshielded twisted Pins 1 & 2 Pins 1 & 2 pair closed 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.