IEEE Dallas EMC, September 16, 2003 presentation by Teccor Electronics "IEEE Dallas EMC, September 16, 2003 presentation by Teccor Electronics.

"IEEE Dallas EMC, September IEEE Dallas EMC, September 16, 2003 presentation by 16, 2003 presentation by Teccor ElectronicsTeccor Electronics

Contact informationContact information

Phillip Havens, Technical Product Phillip Havens, Technical Product Management EngineerManagement Engineer• 972-518-9427972-518-9427• phillip.havens@teccor.comphillip.havens@teccor.com• www.teccor.comwww.teccor.com• 1800 Hurd Drive, Irving, TX 750381800 Hurd Drive, Irving, TX 75038

trunk lineT1, HDSL,or HDSL-2

switchSLICMDF

U/GCable

O/HCable

StreetCabinet

SLIC APPif on

DLC system

Wall Plug,NetworkInterfaceDevice(NID)

POTS SPLITTER

CustomerPremise

Equipment(CPE)

MDF SLIC

Central Office

SubscriberPremises

DDF

Outside Plant

FCC P 68UL 60950

FCC P 68UL 60950UL 497

GR 1089UL 60950UL 497

GR 1089UL 60950UL 497

GR 1089UL 60950

Application of Regulatory Requirements

Regulatory RequirementsRegulatory Requirements GR 1089 Issue 3 Oct 2003GR 1089 Issue 3 Oct 2003

• Electrical safety (surge and current Electrical safety (surge and current limiting) limiting)

• LEC offices and CPE locationsLEC offices and CPE locations TIA-968-ATIA-968-A

• LightningLightning• Customer premises equipment (CPE)Customer premises equipment (CPE)

UL 60950UL 60950• surgesurge• power cross power cross

Regulatory RequirementsRegulatory Requirements

ITU K.20/21ITU K.20/21• Metallic and longitudinal surges Metallic and longitudinal surges • Power Cross Power Cross • Coordination issuesCoordination issues

ITU K.20/21 ITU K.20/21

K.20 covers central office type of K.20 covers central office type of equipmentequipment

K.21 covers customer premises K.21 covers customer premises type of equipmenttype of equipment

Two levels:Two levels:• BasicBasic• EnhancedEnhanced

ITU K.20 surgesITU K.20 surges BASIC applied ± 5 timesBASIC applied ± 5 times

• 5x310 25A for single port w/o primary5x310 25A for single port w/o primary• 5x310 37.5A for multiple port 5x310 37.5A for multiple port

application w/o primaryapplication w/o primary• 5x310 100A must coordinate w/primary5x310 100A must coordinate w/primary

ENHANCEDENHANCED• 5x310 37.5A for single port or multiple 5x310 37.5A for single port or multiple

port w/o primaryport w/o primary• 5x310 150A to eliminate need for 5x310 150A to eliminate need for

primaryprimary

ITU K.21 surgesITU K.21 surges BASIC applied ±5 timesBASIC applied ±5 times

• 5x310 37.5A for single port or multiple port 5x310 37.5A for single port or multiple port w/o primary protectorsw/o primary protectors

• 5x310 100A must coordinate w/primary5x310 100A must coordinate w/primary• 8x20 1 kA to eliminate need for 8x20 1 kA to eliminate need for

coordinationcoordination ENHANCEDENHANCED

• 5x310 150A for single port or multiple port 5x310 150A for single port or multiple port w/o primary protectorsw/o primary protectors

• 5x310 150A must coordinate w/primary5x310 150A must coordinate w/primary• 8x20 5 kA to eliminate need for 8x20 5 kA to eliminate need for

coordination coordination

ITU K.20/21 coordinationITU K.20/21 coordination

Coordination with the primary Coordination with the primary • not required for BASIC IF:not required for BASIC IF:

– capable of withstanding 8x20 1kA surge ± 5Xcapable of withstanding 8x20 1kA surge ± 5X

• not required for ENHANCED IF:not required for ENHANCED IF:– capable of withstanding 8x20 5kA surge ±5Xcapable of withstanding 8x20 5kA surge ±5X

Coordination not required if primary is Coordination not required if primary is not “specified” (the agreed to primary not “specified” (the agreed to primary protector clause) protector clause)

ITU K.20/21 Power CrossITU K.20/21 Power Cross

BASICBASIC• 600 volt, 1A for 1 second600 volt, 1A for 1 second

ENHANCEDENHANCED• 1500 volt, 7.5A for 2 seconds1500 volt, 7.5A for 2 seconds

AND a series of 15 minute tests at 230 AND a series of 15 minute tests at 230 volts with 10,20,40,80,160,300, and volts with 10,20,40,80,160,300, and 600 ohm test resistor (fuse allowed to 600 ohm test resistor (fuse allowed to open for BASIC and first 4 conditions for open for BASIC and first 4 conditions for ENHANCED)ENHANCED)

SIDACtor - What is it?SIDACtor - What is it?

Over-voltage Protection For:Over-voltage Protection For:• Telecommunications EquipmentTelecommunications Equipment• CATV EquipmentCATV Equipment• Security SystemsSecurity Systems• Data CommunicationsData Communications• Thyristor ApplicationsThyristor Applications

SIDACtor - How Does it SIDACtor - How Does it Work?Work?

Turns on with voltageTurns on with voltage

Turns off with currentTurns off with current

SIDACtor - How to SelectSIDACtor - How to Select Vdrm > Peak (DC) operating voltage Vdrm > Peak (DC) operating voltage

of of protected circuit protected circuit VsVs > Withstand voltage of > Withstand voltage of

protected protected circuit circuit Ih(MIN) > Short circuit DC current Ih(MIN) > Short circuit DC current

of of protected circuit protected circuit Ipp > Anticipated surge current of Ipp > Anticipated surge current of

regulatory requirements regulatory requirements

+I

+V-V

-I

ITISIH

IDRM

VT VDRMVS

SIDACtor V-I CurveSIDACtor V-I Curve

TeleLink Fuse - over TeleLink Fuse - over current protectioncurrent protection A surge tolerant fuse elementA surge tolerant fuse element Surface mount packageSurface mount package 1.25A current rating for F1250T1.25A current rating for F1250T .5A current for F0500T.5A current for F0500T Helps applications comply with:Helps applications comply with:

• UL 60950 UL 60950 • GR 1089 GR 1089 • TIA-968-ATIA-968-A

Application CircuitsApplication Circuits

T-1/E-1T-1/E-1 T3 T3 ADSL/ xDSLADSL/ xDSL VDSL intra-buildingVDSL intra-building VDSL inter-buildingVDSL inter-building

SLIC (subscriber line interface circuit)SLIC (subscriber line interface circuit)

Application CircuitsApplication Circuits

SLIC (subscriber line interface SLIC (subscriber line interface circuit) circuit)

Ethernet 10/100 BaseTEthernet 10/100 BaseT ISDNISDN Transformer ProtectionTransformer Protection

T1/E1 Protection T1/E1 Protection

T3 ProtectionT3 Protection

ADSL/xDSL ProtectionADSL/xDSL Protection

VDSL intra-buiding VDSL intra-buiding ProtectionProtection

VDSL inter-building VDSL inter-building ProtectionProtection

HDSL ProtectionHDSL Protection

SLIC ProtectionSLIC Protection

Ethernet 10/100BaseT Ethernet 10/100BaseT ProtectionProtection

ISDN ProtectionISDN Protection

Transformer ProtectionTransformer Protection

5-pin modules5-pin modules

5-pin modules5-pin modules

5-pin modules5-pin modules

6-Pin Dual Balanced 6-Pin Dual Balanced ProtectorProtector

6-Pin SLIC Protector6-Pin SLIC Protector

6-Pin Battrax6-Pin Battrax