Connecting to Hubs

The following table lists the types and the maximum number of hub connections depending on the configuration switch setting:

Configuration

Types of hubs

Connections

10M mode

10BASE-T hubs

up to 8

100M mode

100BASE-TX Class II hub

one

100M mode

Dual-speed Class II hub

one

AUTO mode

10BASE-T hubs

up to 8

AUTO mode

100BASE-TX Class II hub

one

AUTO mode

Dual-speed Class II hub

one

The cables used and maximum distance allowed for a hub connection are:

Hub Port connected

Cable used

Distance

10BASE-T hub port

Cat. 3,4,5

100 meters

100BASE-TX hub port

Cat. 5

5 meters

Auto-sensing hub port

Cat. 5

5 meters

Connecting to 10M Ethernet Hubs

KF-8D can support up to eight 10M Ethernet hub connections. The Ethernet connection rules should be followed as follows:

1.Between any two end-nodes in a collision domain, there may be up to five cable segments and four intermediate repeaters (hubs or other repeaters).

2.If a path between two end-nodes contains five cable segments, no more than three populated segment can exist in the path.

The following figure illustrates a connection example:

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KTI Networks 10BASE-T manual Connecting to Hubs, Configuration Types of hubs Connections