DANPEX CORPORATION AN-120 /AN-220, AN-120S/AN-120BT NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Star (AN-120) Linear Bus (AN-220) Wiring Type Shielded/Unshielded twisted pair RG62A/U 93ohm coaxial Boot ROM Available [Image] NODE ADDRESS Node SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW2/8 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 SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 C0000 - C2000 - On On On On On C07FFh C3FFFh C0800 - C2000 - Off On On On On C0FFFh C3FFFh C1000 - C2000 - On Off On On On C17FFh C3FFFh C1800 - C2000 - Off Off On On On C1FFFh C3FFFh C4000 - C6000 - On On Off On On C47FFh C7FFFh C4800 - C6000 - Off On Off On On C4FFFh C7FFFh C5000 - C6000 - On Off Off On On C57FFh C7FFFh C5800 - C6000 - Off Off Off On On C5FFFh C7FFFh CC000 - CE000 - On On On Off On CC7FFh CFFFFh CC800 - CE000 - Off On On Off On CCFFFh CFFFFh CD000 - CE000 - On Off On Off On CD7FFh CFFFFh CD800 - CE000 - Off Off On Off On CDFFFh CFFFFh » D0000 - D2000 - On On Off Off On D07FFh D3FFFh D0800 - D2000 - Off On Off Off On D0FFFh D3FFFh D1000 - D2000 - On Off Off Off On D17FFh D3FFFh D1800 - D2000 - Off Off Off Off On D1FFFh D3FFFh D4000 - D6000 - On On On On Off D47FFh D7FFFh D4800 - D6000 - Off On On On Off D4FFFh D7FFFh D5000 - D6000 - On Off On On Off D57FFh D7FFFh D5800 - D6000 - Off Off On On Off D5FFFh D7FFFh D8000 - DA000 - On On Off On Off D87FFh DBFFFh D8800 - DA000 - Off On Off On Off D8FFFh DBFFFh D9000 - DA000 - On Off Off On Off D97FFh DBFFFh D9800 - DA000 - Off Off Off On Off D9FFFh DBFFFh DC000 - DE000 - On On On Off Off DC7FFh DFFFFh DC800 - DE000 - Off On On Off Off DCFFFh DFFFFh DD000 - DE000 - On Off On Off Off DD7FFh DFFFFh DD800 - DE000 - Off Off On Off Off DDFFFh DFFFFh E0000 - E2000 - On On Off Off Off E07FFh E2FFFh E0800 - E2000 - Off On Off Off Off E0FFFh E2FFFh E1000 - E2000 - On Off Off Off Off E17FFh E2FFFh E1800 - E2000 - Off Off Off Off Off E1FFFh E2FFFh I/O BASE ADDRESS Address SW1/6 SW1/7 SW1/8 260-26Fh 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 SW1/9 » Disabled Off Enabled On ONBOARD TERMINATOR Setting SW1/10 » Disabled Off Enabled On Note:If the card is the last in the line of network cards, the onboard terminator may be enabled instead of using a T-connector and an external terminator. This setting is valid only with the AN-220. If using an AN-120, SW1/10 must be off. (Star topologies do not require the use of terminators) RESPONSE AND RECONFIGURATION TIMEOUTS Response Time Idle Time Reconfiguration ET1 ET2 Time » 78µs 86µs 840ms Open Open 285µs 316µs 1680ms Closed Open 563µs 624µs 1680ms Open Closed 1130µs 1237µs 1680ms Closed Closed Note:All NICs on the network must have this option set the same. INTERRUPT REQUEST IRQ JP1A JP1B JP1C JP1D JP1E » 2 Closed Open Open Open Open 3 Open Closed Open Open Open 4 Open Open Closed Open Open 5 Open Open Open Closed Open 7 Open Open Open Open Closed CABLE TYPE Type JP2 JP3 » RG62A/U 93ohm coaxial Pins 2 & 3 Pins 2 & 3 closed closed Shielded/Unshielded twisted Pins 1 & 2 Pins 1 & 2 pair closed closed 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