Self-Healing Multi-DropFiber Optic Modem (Dual Channel)

Model TC2100

•AsyncDataRatesupto38.4Kbps

•ProtocolTransparent

•All-DigitalDesign

•MultipleMasterCapability

•Multimode(850/1300nm)orSingleMode(1300/1550nm)

•RS-232,RS-422orRS-485(2/4-wire)

•LocalandRemoteLoopbackTests

•OpticalLoopIntegrityTest

•Anti-Streaming(Anti-Jabber)

•LocalDryContactAlarmRelay

•HardenedTemperatureVersions(optional)

•Hi-Temp2VersionExceedsNEMA&CaltransTrafficControlSpecs

he TC2100 Multi-Drop Fiber Optic Modem provides maximumreliability for linking monitoring devices (typically RTUs or PLCs)

to a Host Controller or CPU. It is completely transparent to data orcommunicationsprotocols.

TheTC2100canbeconfiguredinRingorSelf-HealingRingtopologies.TheSelf-HealingRingschemeissophisticated, i.e. itdetectsupstreamanddownstreamfailuresonbothTxandRx,andautomaticallyre-routesanycableorequipmentfailure.TC2100masterandTC2101slaveunitsareinterchangeablebysettingadipswitch.“Multiplemaster”unitsareoptional.

It supports asynchronous data rates up to 38.4 Kbps. ElectricalinterfacesareRS-232,RS-422orRS-485.TheRS-485electricalportcanbemulti-dropped.Therearetwooptionalversions(ModelTC2100T)forextremetemperatureapplications(-20°Cto70°C&-40°Cto80°C).

Each unit comes standard with two pairs of fiber interfaces andeither 2-Channel RS-232 or 1-Channel RS-422/RS-485 interfaces. ThesecondchannelontheRS-232interfacecanbeusedfordata,RTS/CTShandshakingsignalsorasatelephoneextensionwiththeModelTC1900“Quick-Talk”phoneadapter.

Localandremoteloopbackisstandard.DiagnosticLEDsareprovidedto help installation and troubleshooting. Dry contact alarms can beconnected to RTUs/PLCs to indicate specifically where a fault hasoccurred.Atestsignalgeneratorforverifyinglinkintegrityisprovidedtoaid installationandtroubleshooting.“Anti-streaming”capability isstandard.

The TC2100 is compatiblewith all popular types and sizes offiberoptic cable and is availablemultimode (850/1300nm) or singlemode(1300/1550nm).FiberopticconnectorsareSTorFC.ElectricalconnectorsareDB25female.Poweris12VDC;optional24VDC,-48VDC,125VDCor115/230VACwithanexternalpowercube.

T

Applications

Renownedforitshighreliability,theTC2100Multi-DropModemisidealforRingorSelf-HealingRingcommunicationlinksinSCADA,TrafficControl,IndustrialProcessControlandSecurityNetworks.ItisfrequentlyusedtointerconnectRemoteTerminalUnits(RTUs)orProgrammableLogicControllers(PLCs)inUtilitysubstationSCADANetworks.

TC Communications, Inc.17881 Cartwright Rd. Irvine, CA 92614 U.S.A.

Tel: (949) 852-1972, Fax: (949) 852-1948Sales: (800) 569-4736

Web Site: www.tccomm.comE-mail: sales@tccomm.com

2XTC2100R(HousedinTCRM19619”Wide,1UHighRackmountCardCage)

TC2100SStandaloneUnit

SCADAMASTER

Ch. 1

Ch. 2

Ch. 1 Ch. 2

Ch. 2

RS-232

Ch.1 Ch. 2

RS-232

RS-232

Ch. 1Ch. 2

AMRMASTER

Self-HealingFiber Optic Ring(SCADA & AMR)

Fiber

Copper

MeterM

MM

M

M

TC2101

TC2101

TC2100(Master)

Sample Application #1

TC2101

TC2101

RS-232

RS-232

Ch. 1

CENTRALCOMPUTER

Ch. 1

Ch. 1

Ch. 1 RS-232

RS-232

Ch. 2

Ch. 2

RS-232

2-wire

2-wire

POTS

POTSCh. 1

RS-232

RS-232

RS-232

PBXorKEY

SYSTEM

FiberCopper

TC1900

TC1900

TC2101

TC2101

TC2100(Master)

PUBLICSWITCH

TELEPHONENETWORK

Ch. 1

Sample Application #2

Self-HealingFiber Optic Ring

(Traffic Control & Voice)

TC2101

TC2101

Typical SCADA and AMR Application Using TC2100 “ Self-Healing” Fiber Modems In a Utility Substation Environment

Typical Poll Response Application Using TC2100 “Self-Healing” Fiber Modems In a Traffic Control Environment

What Makes the TC2100 Self-Healing Ring Different from Other Vendors?

ManyoftheTC2100’sfeaturesarecriticaltonetworkoperation;someareuniqueforaproductofthistype.Itisimportanttonotethattheterm“Self-HealingRing”meansdifferentthingstodifferentvendors.BecausethereisnoindustrystandardforSelf-HealingRings,vendorofferingsvarygreatlyintermsoffunction,featuresandsophis-tication.

TheTC2100SelfHealingRingdiffersfromcompetitorofferingsinitssophistication.Thissophisticationenablesittobuildinavarietyofuserbenefitsoftennotavailablewithmanyothervendor’sSelf-HealingRings.

Thesebenefitsinclude:

•The TC2101 Slave Unit Provides Loop Monitor Signal LEDs that Detect if any Incorrect Fiber Cables are Con-nected.

SolidlylitgreenLPA(Loop“A”)andLPB(Loop“B”)LEDsindicateanormalsystem;blinkinggreenLEDsin-dicatethatthefibercableshavebeencross-connected.

Somevendorsdonotofferanysimplemeanstoverifythatthefiberopticcablesarecross-connectedatre-motenodes.

Thisisabsolutelycritical!Forexample,ifatechnicianin-advertentlycross-connectstheRingAandRingBcablestoamodem,thenetworkwillappeartofunctionnor-mally,buttheSelf-Healingportionwillnotbeoperable.Techniciansmusthavespecificdiagnosticstopinpointwheretheerrantcablecross-connecthasoccurred.

•The TC2100 can Detect Faults Both Upstream and Downstream from Each Unit.

TheTC2100candetectcablebreakageatbothtransmitandreceivingsides.Somevendor’sSHRproductsdetectcablebreakageonlyatthereceivingside.Unlessthedevicecandetectfailuresatthetransmitside,thereisnowaytoknowifthenextdeviceisreceivingthesignal(seeadjacentdiagram).

•The TC2100 Prevents any Type of Echo Effect.

Somevendorsofferaself-healingschemethatdoesn’tseparatebroadcastandreceivechannels.Thisoftenresultsinan“Echo”effectthatcandisablenetworkcommunications.(”Echo”happenswhenthedatasignaltransmittedintotheMasterunit,andaroundthering,isreceivedbackattheMasterunit’sport).

•Each TC2101 (Slave) Includes a Dry Contact Alarm which Enables Pinpointing any Fault.

Techniciansmustbeabletopinpointexactlywhereafaulthasoccurred.Adryalarmcontactonthemodem’smasterunitindicateswhenself-healinghasoccurredsomewhereonthering.Dryalarmcontactsfromthemodemslaveunitsoneithersideofafaulteffectivelypinpointthelocationofthebreakorfailure(seedia-gram).

•The TC2100 Offers a Multiple-Master Self-Healing Ring Topology.

Thisinnovativeconfigurationvirtuallydoublesthereli-abilityofasingleMasterbecauseitcanrecoverfaultsorfailuresinbothringsAandBintwodifferentplaces(Seediagramonpage4).SystemintegrityismaintainedbecausebothMasterunitspolltheSlavesatthesametime,butthroughdifferent“half”rings.

•The TC2100 Provides Two Channels for Data, Con-trols or a Telephone Link (via the TC1900 Telephone Adapter)

UsetwochannelsforRS-232oroneforRS-422orRS-485.YoucanalsoaddtelephoneservicebyusingtheTC1900RS-232TelephoneExtender.TheTC1900iscompatiblewithmostanalogPBXsandenablesdial-uptelephoneextensionstobepluggedintoRS-232circuits.

•The TC2100 Provides a Built-In Test Signal Generator to Verify Optical Loop Integrity

Abuilt-intestsignalgeneratorprovidesasimpleandeffectivemethodforaselftestverifyinglinkintegrity.

FiberCopper

Tra�cController

TC21011tluaF2tluaF

4tluaF3tluaF

TxA

RxBTxB

RxA

XX XX

Fiber breakage

RS-232

SCADAMASTER

RTU/PLC

RTU/PLC

RTU/PLC

RTU/PLC

TC2101

TC2101

TC2101

dry contact

dry contact

TC2101

TC2100(Master)

X

RS-232

dry contacts CLOSE

Data RatesAsyncRS-232,RS-422,RS-485..............................................upto38.4Kbps*

OpticalTransmitter............LED/ELED/LASER*Receiver...............................PINDiodeWavelength..................850/1300nm Multimode..............1300/1550nmSingleMode

FiberOpticConnectors....................................ST,OptionalFCLossBudget*-850/1300/1550nm15dB........Multimode@62.5/125μm20dB...........SingleMode@9/125μm

ElectricalConnector......................DB25FemaleInterface............(DCEorDTE)RS-232,............RS-422,orRS-485(2or4-wire)

SystemBitErrorRate.............1in109orbetter

Diagnostic Functions..............Local & Remote Loopback,......SignalGenerator,DisableAlarm,......................................LoopMonitor

Visual Indicators........MSTR,SLAV,Sync-A,Sync-B,Vcc,............PWRA,PWRB,ALARM,BRD-1,............BRD-2,RSP-1,RSP-2,LPA,LPB,..............................................A2B,B2A

AlarmDryContact....................NormalOPEN

PowerStandard...................12VDC @300mAOptional.....24VDC,−48VDC,125VDC,..........or115/230VACw/power cube

TemperatureOperating ...................−10°C to 50°CHi-Temp1 (optional)...−20°C to 70°CHi-Temp2 (optional)...−40°C to 80°CStorage .......................−40°C to 90°CHumidity ........95% non-condensing

Physical (Standalone Unit)Height..........................(3.53cm)1.39”Width.........................(18.13cm)7.14”Depth.........................(16.59cm)6.53”Weight.......................(567gm)1.25lbs

*Contactfactoryforhigherrequirements(LASER)

Note: Information contained in this data sheet is subject to change without prior notice.

TC Communications, Inc. 17881 Cartwright Road

Irvine, CA 92614 U.S.A.Factory Tel: (949) 852-1972

Fax: (949) 852-1948

Sales OfficeU.S.A. Domestic International:

(800) 569-4736 (949) 852-1973

Web Site: www.tccomm.comE-mail: sales@tccomm.com

®

#1045959

Self-healing function is activated on bothupstream and downstream TC2101 Slaves

TC2101 Unit Fails Fiber Cable Breaks

Dual MasterSelf-Healing Fiber Ring(Multimode or Single Mode)

Master #2

Master #1

TC2101

TC2100

TC2100

SCADAMASTER #1

SCADAMASTER #2

TC2101

TC2101

TC2101

TC2101

Amultiplemastertopology(seediagramatleft)providesmaximumreliability.ItcanmaintainRingintegritydespitefaultsorfailuresinbothringsinseveraldifferentplaces,dependingonthenumberofmasterunits.

ASelf-HealingRingconsistsoftwodatapaths,RingAandRingB,witheachdatapathrunninginanoppositedirectiontotheother.Undernormaloperationonlytheprimarydatapath(RingA)isused.

DTS-21000-01-04Rev.070213

TC2100 Self-Healing Ring with Multiple Masters

Whenthereisfault(cableorfaileddevice),thedatapathwillturnaroundbeforeitreachesthefaultorfailedunitandusethesecondarydatapathtocompletethelink.Inthismanner,thedata/communicationpathremainsintact.