User's Manual
MC-Series System Installation & Testing
System Description
RadioFrame Networks, Inc.
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2.4.3 Channel Service Unit (CSU)
The Channel Service Unit (CSU) provides the T1 connection between the iSC-3 and the
telephone company that provides the T1 line. The CSU provides surge protection to the T1 line
and loop-back testing for the telephone company.
For more information about the CSU, refer to the manufacturer's documentation.
2.4.4 GPS Antenna System
The Global Positioning System (GPS) antenna provides GPS signals to the iSC-3, which
constructs the timing reference for the MC-Series System hardware. One GPS antenna with a
dedicated 50ohm coax is required for each iSC-3.
2.4.5 Powerplant
The MC-Series System cabinet is powered by a nominal –48VDC powerplant supplied by the
customer. The powerplant may be installed in the cabinet or used externally. The cabinet is
shipped with a Power Distribution Unit (PDU) installed in the cabinet. The PDU contains circuit
breakers that provide overcurrent protection for MC-Series loads.
2.5 Specifications
2.5.1 Dimensions
Equipment Dimensions Supplier Component
Width Depth Height
RadioFrame Networks cabinet 23.5” 25.5” 79” 44U
BIC 19” 13” 7” 4U
AIC 19” 13” 7” 4U
RBS 19” 13” 7” 4U
RF Shelf 19” 13” 7” 4U
PDU 19” 10” 1.75” 1U
Non-RFN iSC-3 19” 9” 1.75” 1U
EAS 19” 15” 1.75” 1U
CSU 19” 12.5” 1.75” 1U