EDIMAX COMPUTER COMPANY AL-3350/AL-3351 NIC Type Arcrnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Star Linear Bus Wiring Type Unshielded twisted pair AUI transceiver via DB-15 port RG-62A/U 93ohm coaxial Boot ROM Available [Image] NODE ID 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) CABLE TYPE Type JP4D JP6A JP6B » RG-58A/U 50ohm coaxial Open Closed Open Unshielded twisted pair Closed Open Closed BASE MEMORY ADDRESS & BOOT ROM ADDRESS Base Address Boot ROM JP1A JP1B JP1C JP1D JP1E C0000-C07FFh C2000-C3FFFh Closed Closed Closed Closed Closed C0800-C0FFFh C2000-C3FFFh Open Closed Closed Closed Closed C1000-C17FFh C2000-C3FFFh Closed Open Closed Closed Closed C1800-C1FFFh C2000-C3FFFh Open Open Closed Closed Closed C4000-C47FFh C6000-C7FFFh Closed Closed Open Closed Closed C4800-C4FFFh C6000-C7FFFh Open Closed Open Closed Closed C5000-C57FFh C6000-C7FFFh Closed Open Open Closed Closed C5800-C5FFFh C6000-C7FFFh Open Open Open Closed Closed CC000-CC7FFh CE000-CFFFFh Closed Closed Closed Open Closed CC800-CCFFFh CE000-CFFFFh Open Closed Closed Open Closed CD000-CD7FFh CE000-CFFFFh Closed Open Closed Open Closed CD800-CDFFFh CE000-CFFFFh Open Open Closed Open Closed » D0000-D07FFh D2000-D3FFFh Closed Closed Open Open Closed D0800-D0FFFh D2000-D3FFFh Open Closed Open Open Closed D1000-D17FFh D2000-D3FFFh Closed Open Open Open Closed D1800-D1FFFh D2000-D3FFFh Open Open Open Open Closed D4000-D47FFh D6000-D7FFFh Closed Closed Closed Closed Open D4800-D4FFFh D6000-D7FFFh Open Closed Closed Closed Open D5000-D57FFh D6000-D7FFFh Closed Open Closed Closed Open D5800 D5FFFh D6000-D7FFFh Open Open Closed Closed Open D8000-D87FFh DA000-DBFFFh Closed Closed Open Closed Open D8800-D8FFFh DA000-DBFFFh Open Closed Open Closed Open D9000-D97FFh DA000-DBFFFh Closed Open Open Closed Open D9800-D9FFFh DA000-DBFFFh Open Open Open Closed Open DC000-DC7FFh DE000-DFFFFh Closed Closed Closed Open Open DC800-DCFFFh DE000-DFFFFh Open Closed Closed Open Open DD000-DD7FFh DE000-DFFFFh Closed Open Closed Open Open DD800-DDFFFh DE000-DFFFFh Open Open Closed Open Open E0000-E07FFh E2000-E3FFFh Closed Closed Open Open Open E0800-E0FFFh E2000-E3FFFh Open Closed Open Open Open E1000-E17FFh E2000-E3FFFh Closed Open Open Open Open E1800-E1FFFh E2000-E3FFFh Open Open Open Open Open I/O BASE ADDRESS Address JP1F JP1G JP1H 260-26Fh Closed Closed Closed 290-29Fh Open Closed Closed » 2E0-2EFh Closed Open Closed 2F0-2EFh Open Open Closed 300-30Fh Closed Closed Open 350-35Fh Open Closed Open 380-38Fh Closed Open Open 3E0-3EFh Open Open Open RESPONSE AND RECONFIGURATION TIMEOUTS Response Time Idle Reconfiguration JP2A JP2B Time Time » 78µs 86µs 840ms Open Open 285µs 316µs 1680ms Open Closed 563µs 624µs 1680ms Closed Open 1130µs 1237µs 1680ms Closed Closed Note:All NICs on the network segment must have this option set the same. ONBOARD TERMINATOR Terminator JP4A & JP4B JP4C & JP4D Coaxial Bus Terminated Closed Open Twisted Pair Terminated Open Closed BOOT ROM Setting JP5 » Disabled Open Enabled Closed INTERRUPT REQUEST IRQ JP7A JP7B JP7C JP7D JP7E » 2 Open Open Open Open Closed 3 Open Open Open Closed Open 4 Open Open Closed Open Open 5 Open Closed Open Open Open 7 Closed Open Open Open Open DIAGNOSTIC LED(S) LED Color Status Condition LED1 Green Blinking Data is being transmitted or received LED1 Green Off Data is not being transmitted or received MISCELLANEOUS NOTES The AL-3350 and the AL-3351 have different transceivers. As a result the AL-3350 should only be operated in a coaxial star configuration, while the AL-3351 will operate in a coaxial bus, a coaxial star, a twisted pair bus, or a twisted pair star configuration.