GarrettCom DS8016 Manual De Usuario

Magnum DS8016 Dual-Speed Stackable Hubs        Installation and User Guide (07/06) 

 

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VAC 60Hz power cord is supplied with each unit shipped within the United States and 

Canada. 

 

Each Magnum DS8016’s auto-ranging power supply supports installation 

environments where the AC voltage is from 90 to 260 volts with an input frequency between 

47 and 63 Hz, and consumes a maximum of 27 watts.  In order to power the unit up or down, 

simply change the setting of the rear-mounted manual “On–Off” switch when there is 

incoming power. 

This chapter describes the function and operation of the Magnum DS8016 hubs. 

The Magnum DS8016-A handles the two different traffic domains separately 

(unless it is stacked with a DS8016-B), and the DS8016-E has only the 100Mb domain.  

Alternatively, the domain-switched DS8016-B provides switched (bridged) connectivity 

between the Ethernet (10Mb/s) and  Fast Ethernet (100Mb/s) domains.  It joins the two 

network domains for unified operation, and filters/ forwards packets in both directions to 

maximize bandwidth utilization and performance. Magnum DS8016s are hardware plug-and-

play devices. There is no software set-up to be done at installation or for maintenance. The 

functions of the DS8016s are described in this manual. 

 

Each time a packet is received on one domain of the bridge module, the decision is 

taken to either to filter or forward the packet. Errored packets are always filtered. For good 

packets, the filter and forward decisions are made based on the destination address contained 

in each packet. If  the destination address is on the same domain from which the packet 

originated, then it is filtered and not forwarded to the other domain. If the destination address 

is not found to be a match in the address table for the originating domain, then it is forwarded 

to the other domain. If it is a new node address coming in which the switch did not 

previously know about, it “learns” the new address and puts it in the correct port address 

table. See “Address Learning” for more details.