Unit installation

Installation and Operation Manual Chapter 1 Introduction
FCD-E1 Functional Description 1-9
The rear panel of the unit includes the power switch and all the user connectors.
For details see Chapter 2. The rear panel of the Ethernet bridge includes, in
addition, status indicators and switches for controlling the operation of the
Ethernet interface. The LED indications for the IR-ETH and IR-ETH/Q interfaces
are described in the Appendix E and Appendix F, respectively.
FCD-E1 is a compact standalone unit, intended for installation on desktops or
shelves. Unit height is 1U (1.75 inches). An optional rack-mount adapter kit
enables the installation of an FCD-E1 unit in a 19-inch rack.
FCD-E1 is cooled by free air convection, and does not include internal fans.
Figure 1-2. FCD-E1 Unit
1.3 Functional Description
Functional Block Diagram
Figure 1-3 shows the functional block diagram version of the FCD-E1 system. The
FCD-E1 version shown in Figure 1-3 has an electrical main link interface. However,
the block diagram of the FCD-E1 version with optical interface is similar, except that
the bypass bridge option and the associated relays cannot be installed. FCD-E1
includes several main subsystems:
• Chassis buses
• Main link interface
• User interface subsystem (Sublink, Data channel and Ethernet channel)
• Management subsystem
• Power supply subsystem.
The characteristics of the various subsystems are explained below.