NortelAXM-D-8-S-173集线器技术参数MemoryRAM:2MB(installed)/6MB(max) NetworkingConnectivityTechnology:WiredDataTransferRate:10MbpsDataLinkProtocol:Ethernet,serialSwitchingProtocol:PPP,EthernetNetwork/TransportProtocol:TCP/IPRemoteManagementProtocol:SNMPCompliantStandards:IEEE802.3 Expansion/connectivityExpansionSlotsTotal(Free):2ExpansionSlotInterfaces: 8xserial-RS-232C-RJ-45-8 1xnetwork-Ethernet10Base-T-RJ-45-1 1xnetwork-EthernetAUI-15pinD-Sub(DB-15)-1 1xmanagement-V.24-9pinD-Sub(DB-9)-1 MiscellaneousRackMountingKit:NotavailableMTBF:400,000hour(s) PowerPowerDevice:Powersupply-internalVoltageRequired:AC110/220V 10%(50/60Hz)PowerConsumptionOperational:110Watt Software/systemrequirementsSoftwareIncluded:Drivers Utilities EnvironmentalparametersMinOperatingTemperature:0 CMaxOperatingTemperature:50 CHumidityRangeOperating:5-95%