TOKEN RING FIBER EXTENDERS
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Chapter Page
1. Specifications................................ ................................ ............................. 8
2. Introduction ................................ ................................ ................................ 9
2.1 ProductOverview................................ ................................ ................ 9
2.2 Features................................ ................................ .............................. 9
2.2.1 DriveDistances ................................ ................................ ............. 9
2.2.2 UniversalCopper Port................................ ................................ ....9
2.2.3 StationCount................................ ................................ ............... 10
2.2.4 Ergonomics................................ ................................ ................. 10
2.2.5 PowerSupply ................................ ................................ .............. 10
. OverviewOfOperating Modes................................ ................................ ...11
3.1 VariantsofToken Ring................................ ................................ ........ 11
3.1.1 PhantomCurrentMechanisms................................ ..................... 11
3.1.2 Frequency Lockout................................ ................................ ...... 12
3.1.3 LCL112A-TRTrunkOperation................................ ...................... 12
3.1.4 LCL112A-TRLobeOperation................................ ....................... 13
3.1.5 PairSwappingduringAuto-negotiation................................ .......... 13
3.1.6 MainRing(RI/RO)Operation................................ ........................ 14
4. TypicalApplications................................ ................................ ................... 15
4.1 FiberLobeLinkStationtoConcentrator ................................ ............... 15
4.2 FiberTrunkLinkBetweenStations................................ ...................... 15
4.3 FiberTrunkLinkBetweenConcentrators................................ ............. 16
4.4 RingIntoRing Out................................ ................................ .............. 16
4.5 Single-modeLCL112A-TR toLCL161A/LCL162A................................ 17
5. SwitchSettings ................................ ................................ ......................... 18
6. Installation................................ ................................ ................................ 20
7. Troubleshooting................................ ................................ ........................ 21
8. DiagnosticLEDs................................ ................................ ........................ 24
9. Accessories................................ ................................ .............................. 25
10. Glossary................................ ................................ ................................ ...26
11. APPENDIXA: SwitchConvention................................ .............................. 27
