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Equipment Description
Instruction Manual: evolution 5000 E5500 Mobile Contribution Encoder
Page 4-7
ST.TM.E10033.3
4.7.2
Enclosure
The MCE is constructed in a 2U enclosure. Access to the various modules
can be gained by removing the module tray retaining screws and pulling
the modules, together with their mounting trays, out from the back of the
enclosure. The enclosure has five dc fans for general cooling. At low
temperature, the fans are disabled to allow the unit to warm up to
operating temperature
4.7.3
Power Supply Unit
The power supply unit used in this equipment is capable of supplying a
maximum of 300 Watts. The equipment uses a nominal
100-120/220-240 Vac
input at 60/50 Hz to provide the regulated voltage
supplies required by the modules in the MCE (see Annex B, Technical
Specification, for details).
The primary power circuit is protected by a fuse which must be selected
according to the local mains voltage.
4.7.4
Backplane (S10162)
The Backplane is mounted toward the front of the Enclosure. It provides
three slots for connection to the plug-in modules. All modules mate with
the Backplane to allow inter-module communications and power supply
distribution.
4.7.5
Host Processor
The MCE is under the overall control of the Host Processor. The Processor
responds to user inputs on the front panel controls, and monitors the
health of the equipment. The Processor controls an alarm/fail output which
can indicate equipment health to external monitoring equipment. The Host
Processor also supports an Ethernet interface which enables remote
control from a control workstation and through which the logo overlay (see
Section 4.4) is loaded into the equipment.