Figure 1-1. EMMs in Network Configuration

Theory of Operation

The EMM can be installed into any slot in the concentrator and communicates with all other modules in the concentrator via a dedicated control bus on the concentrator backplane as shown in Figure 1-2.

Figure 1-2. Ethernet Management Module Communication in the ONline System Concentrator

Introduction 1 - 3

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3Com 5101M-MGT installation and operation guide Theory of Operation, EMMs in Network Configuration