CHASSIS
940043-002 INTEGRATED ENTERPRISE NETWORK 2-19
Backplane
The IEN 5000 chassis supports sixteen full-width and one half-width port processors for a
total of seventeen slots. Figure 2-13 illustrates the backplane of the IEN 5000 chassis.
Figure 2-13 IEN 5000 Backplane
The backplane contains the port processor connectors, bus circuitry, and power
connections. The IEN 5000 chassis backplane is passive. Therefore, no one port processor
need be installed in a specific slot. However, the first slot marked C, is a thin slot. You
cannot install a port processor with a module in slot C. In addition, slot C does not support
the high-speed bus, or media requiring an RJ11 connector.
The IEN 5000 chassis backplane also contains configuration switches used to configure
multiple chassis as a single IEN node. Refer to Chapter 5, Bus Extension for more
information about the IEN 5000 chassis backplane configuration switches.
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