User's Manual
Table Of Contents
Product Overview
Page 6 InterReach Spectrum Remote Access Unit Installation Guide
© 2013 TE Connectivity Ltd TECP-77-222 Issue 2 • 300001759666 Rev B • December 2013
MainRemoteAccessUnits
TheMainRemoteAccessUnit(MRAU)receivesFWDIFsignalsfromanIFExpansionUnit(IFEU),
whichispartoftheSpectrumExpansionModuleGroup,using75
CATVcable.TheMRAU
convertstheIFsignalstoRFandsendsthemtoapassiveRFantennausing50
coaxialcable.The
MRAUalsoreceivesconfigurationinformationandpowerfromandsendsitsstatusinformation
totheIFEU.
TheMRAUreceivesREVRFsignalsfromapassiveRFantennausing50coaxialcable.Itconverts
thesignalstoIFandsendsthemtotheIFEUusing75
CATVcable.
MRAUPorts,Cable,andConnectors
Ref # Component Device Function
1 RF SubMiniature version A
(SMA) cable
(1)
50 RF SMA-to-SMA cable Connects two RF bands together when there is only one
N-type connector on the RAU.
2 Antenna port(s) 50 N-type connector Connects to an antenna. See Table 3 on page 10.
3 FWD IF IN connector F connector port Connects to the IFEU FWD Module IF OUT connector via
CATV cable.
4 FWD SECONDARY PORTS (1 - 3) F connector ports Connect to a SRAU SECONDARY FWD connector via
CATV cable.
5 REV SECONDARY PORTS (1 - 3) F connector ports Connect to a SRAU SECONDARY REV connector via
CATV cable.
6 REV IF OUT connector F connector port Connects to the IFEU REV Module IF IN connector via
CATV cable.
(1) The AWS/PCS MRAUs do NOT have an RF SMA cable—they have two Antenna ports.
REV IF OUT REV SECONDARY PORTS
1 2 3
FWD SECONDARY PORTS
1 2 3
FWD IF IN
LINK STATUS
1 2
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4