MOTOROLA MVME147SB-2 Counter card

A port operating at 100 Mbps and full-duplex mode uses PAUSE frames, as specified in the IEEE 802.3x standard, to stop the transmission of data from an end-node. Whenever the switch wants an end-node to stop transmitting data, it issues this frame. The frame instructs the end-node to cease transmission. The switch continues to issue PAUSE frames until it is ready again to receive data from the end-node. This is referred to as flow control.

Network Topologies 

This section illustrates several of the network topologies you can create with the AT-8000 Series Fast Ethernet Switches. Power Workgroup Topology The topology shown in Figure 14 is commonly referred to as a power workgroup topology. Each workstation or end-node is connected directly to a port on an AT-8024 Fast Ethernet Switch. Each end-node has a dedicated data link to the switch for best performance and reliability. The devices can operate at either 10 Mbps or 100 Mbps.

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