User's Manual

Table Of Contents
MBSC0800-040-RU
MBSC0800-040-RU July 02, 2014
Page 8
3.2.1.3 PSU (Power Supply Unit)
The Host Unit is powered by -48V DC. The PSU takes the -48 VDC input source power and provides voltage
conversion and distribution for the line cards installed within the host unit shelf. The host unit is equipped
with 2 independent PSUs in parallel redundancy. Each PSU is hot swappable (one unit at a time only).
Figure 7 PSU
3.2.1.4 RCU (Remote Control Unit)
The RCU provides the control and interface for a local Operations and Maintenance Console (OMC) GUI,
and a remote Element Management System (EMS) server through Ethernet or modem connection
(optional).
The RCU is a hot swappable card and will not affect operation of the RF path if removed.
PSU
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