Connecting Fast Ethernet Switching Hubs

Connect 100Mbps devices using UTP/STP Cat 5 cables with RJ-45 connectors, maximum length 5 meters, enabling sending/receiving to other fast Ethernet switching hubs. By default, each port is set to auto sensing mode. CenturyStack can detect a connected 100BASE-TX device and transmit/receive information to/from it. The distance between switching hubs can be extended up to 2km by connecting two hubs through expansion modules using fiber cable.

up to 2km Fiber

CenturyStack 81XX

100Mbps

Connecting Fast Ethernet Hubs

Connecting the Other Dual Speed Hubs

Other dual speed hubs can be connected to the ports of the CenturyStack Hubs. Each port can auto sense the connected port speed and set its speed to match the connected port. The maximum distance between devices is 5 meters using Cat 5 UTP/STP cable. To increase the distance between dual speed hubs you must use fiber cable and connect using an expansion switch module. For more information about expansion switch modules, refer to Chapter 2: Using Expansion Modules.

CenturyStack 81XX

10/100Mbps Hub

10/100Mbps Hub

Connecting Other Dual Speed Hubs to a CenturyStack Hub

Installation 21

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METRObility Optical Systems 8124-01-M manual Connecting Fast Ethernet Switching Hubs, Connecting the Other Dual Speed Hubs