User's Manual

Table Of Contents
Unit Descriptions - RF Path
CMA-331-AEN
Page 51
2.2.1 ICU
Note: The ICU unit is common for the RF and Digital path components.
The ICU is installed at the floor level. It provides the LC APC optical interface along with DC power to the RAU RF (and data)
sub-modules. The optical and DC signals are routed via a composite cable connected between the ICU and hosted RAU
modules. The optics signal is provided via one or two dedicated Edge
®
modules that convert MTP optic interfaces to LC/APC
interface; the DC power is provided by up to four dedicated power supplies. A single power connection feeds all ICU power
supply modules.
Note: Pretium EDGE
®
Module MTP
®
to LC APC splice module/cassette/field-term cassette
Figure 2-18. ICU Front Panel Interfaces and Modules
Chassis/Module
Interface
Description
ICU Chassis Power Connectors
Up to eight DC power connectors, depending on
number of power supply modules installed.
PSM AC Power Input 110-240 V AC power input to unit
Edge
®
Module
LC APC SM
Optic connectors implemented by up to two Edge
®
modules inserted from the rear: six connectors per
Edge
®
module.
MTP
®
SM fiber port
Edge
®
Splice Cassette
LC APC to a (twelve x 250µm
single fiber) pigtail
Edge
®
Field-Term Cassette
LC APC to LC APC
Table 2-17. ICU Front Panel Interface Descriptions