CHASSIS
940043-002 INTEGRATED ENTERPRISE NETWORK 2-15
Rear Panel
The rear panel of the IEN 4000 chassis contains the cabling connectors. Figure 2-9
illustrates the rear panel of the IEN 4000 chassis.
Figure 2-9 IEN 4000 Rear Panel
The eight DB25 connectors are used with adapter interfaces or cables to support media,
such as RS232, V.35, Thinnet or AUI Ethernet, and analog voice.
The eight RJ11 connectors are used with adapter interfaces or cables to support media,
including analog dial, UTP Ethernet, DS1/T1, DDS and ISDN. The eight RJ45 connectors
support a standard Token Ring UTP connection.
There are also two bus expansion ports, labeled IN and OUT. The bus expansion ports are
used for interconnecting an IEN 4000 with up to two additional IEN 4000s chassis.
Note: Only high speed and standard busses are extended on the IEN 4000 chassis.
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