User's Manual Part 2

FiberDistributedAntennaSystem(FiberDAS)
107
Local Connection to Remote Unit with Two FOR's
Someremoteunitsarebuiltwith2FORboards.Thiswouldoccurinapplicationswhereonechassiscontains:MIMO
paths,multipleamplifiersofthesameband,amplifiersfedfromdifferentFOIcardsorotherspecialapplications.The
2FORboardssharetheoneEthernetconnectorontheremoteunit.AstandardEth
ernetcablewillonlyaccessFOR
[0].AcustomcableisrequiredtoaccessFOR[1]board.
Tobui
ldacabletoaccessbothFORunitsyouwillneedthefollowingitems.
 Wirecutters
 Wirestrippers
 Electricaltape
 TwoEthernetcableswithRJ‐45Connectors
Build a Custom Cable
1. CutbothEt
hernetcablesinhalf.
Threesectionswi
llbeneeded.
2. Stripbacktheins
ulationoneachwireabout0.5inch/13mm.
3. Twisttheco
lorpairstogetherasshownin Figure132onpage 108 .
4. Useelect
ricaltapetocovertheconnectionssobarewiredonottouch.
Unusedca
blestrandscanbe cu t. 
5. Securethesp
licewithelectricaltapesothatstressdoesnotpullthewirepairsapart.
6. Clearlymarkeac
hconnectortodistinguishwhichconnectorisattachedtotheremoteandwhichconnector
plugsintothelaptopforFOR[0]andFOR[1].