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

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Presentation on theme: "IEEE Dallas EMC, September 16, 2003 presentation by Teccor Electronics "IEEE Dallas EMC, September 16, 2003 presentation by Teccor Electronics."— Presentation transcript:

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

2 Contact information b Phillip Havens, Technical Product Management 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

3 trunk line T1, HDSL, or HDSL-2 switch SLIC MDF U/G Cable O/H Cable Street Cabinet SLIC APP if on DLC system Wall Plug, Network Interface Device (NID) POTS SPLITTER Customer Premise Equipment (CPE) MDF SLIC Central Office Subscriber Premises DDF Outside Plant FCC P 68 UL 60950 FCC P 68 UL 60950 UL 497 GR 1089 UL 60950 UL 497 GR 1089 UL 60950 UL 497 GR 1089 UL 60950 Application of Regulatory Requirements

4 Regulatory Requirements b GR 1089 Issue 3 Oct 2003 GR 1089 Issue 3 Oct 2003 GR 1089 Issue 3 Oct 2003 Electrical safety (surge and current limiting)Electrical safety (surge and current limiting) LEC offices and CPE locationsLEC offices and CPE locations b TIA-968-A TIA-968-A LightningLightning Customer premises equipment (CPE)Customer premises equipment (CPE) b UL 60950 UL 60950 UL 60950 surgesurge power crosspower cross

5 Regulatory Requirements b ITU K.20/21 ITU K.20/21 ITU K.20/21 Metallic and longitudinal surgesMetallic and longitudinal surges Power CrossPower Cross Coordination issuesCoordination issues

6 GR 1089 Requirements for Telecom Port b NRTL requirements All network equipment powered by ACAll network equipment powered by AC equipment located on customer premiseequipment located on customer premise b 1st level criteria EUT undamaged & continues to operateEUT undamaged & continues to operate b 2nd level criteria EUT may sustain damageEUT may sustain damage no fire, fragmentation, electrical hazardno fire, fragmentation, electrical hazard

7 GR 1089 Level One Surges (4.6.7) b 1600V 100A 10/1000 25 times between T-R(grd), R-T(grd), T&R to grd b 21000V 100A 10/360 25 times between T-R(grd), R-T(grd), T&R to grd b 31000V 100A 10/1000 25 times between T-R(grd), R-T(grd), T&R to grd b 4 2500V 500A 2/10 10 times between T&R to grd b 5 1000V 25A 10/360 5 times between T&R to grd –only surges 1,2,4,& 5 or surges 3,4 & 5 conducted

8 GR 1089 Level One Intrabuilding Surges (4.6.9) b 1800V 100A 2/10 1 time each polarity between T-R(grd), & R-T(grd b 21500V 100A 2/10 1 time each polarity between T&R to grd

9 GR 1089 Protection Coordination (4.6.7.1) b 1Not required IF equipment can with stand 10x1000 100A event b 2Otherwise primary must be shown to turn on during surge events

10 GR 1089 Level Two Surges (4.6.8) b 15000V 500A 2/10 2 times between T&R to grd oror b 15000V 625A 8/20 2 times between T&R to grd

11 GR 1089 Current-Limiting (4.6.11) b 600 V rms applied 15 minutes with 2.2A, 2.6, 3,3.75,5,7,10,12.5,20,25, 30 A applied until current is interrupted or external current limiter indicator opens (MDQ 1.6A or MDL 2.0 fuse opened which is a failing condition) to TIP with Ring groundedto TIP with Ring grounded to RING with TIP groundedto RING with TIP grounded to T&R simultaneouslyto T&R simultaneously

12 GR 1089 First Level AC Power Fault (4.6.10) b 1 50Vrms.33A for 15 minutes b 2 100Vrms 0.17A for 15 minutes b 3 200,400,& 600Vrms 1A for 1 second –60 times b 4 1000Vrms 1A for 1 second –60 times b 5 Inductive source test (see Fig 4-3)

13 GR 1089 First Level AC Power Fault b 6 600Vrms 0.5A for 30 seconds b 7 440Vrms 2.2A for 2 seconds b 8 600Vrms 3A for 1.1 second b 9 1000Vrms 5A for 0.4 seconds all tests conducted between T-R (grd) or R-T (grd) except #9all tests conducted between T-R (grd) or R-T (grd) except #9 all tests conducted to T&R simultaneouslyall tests conducted to T&R simultaneously

14 GR 1089 2nd Level AC Power Fault (4.6.12 non CPE) b 1 120, 277Vrms 25A for 15 minutes b 2 600Vrms 60A for 5 seconds b 3 600Vrms 7A for 5 seconds b 4 100-600Vrms 2.2A for 15 minutes b 5 Inductive source test –all tests conducted between T-R(grd) & R-T(grd) –repeat test below operating value of any fuses –series type equipment increase I to 5A for test #4

15 GR 1089 2nd Level AC Power Fault (4.6.15 CPE) b Now same as non-CPE 2nd level AC power cross

16 UL 60950 Power Cross b L1-L5 600 volt, 40 A 1.5 seconds600 volt, 40 A 1.5 seconds 600 volt, 7A 5 seconds600 volt, 7A 5 seconds 600 volt, 2.2A 30 minutes600 volt, 2.2A 30 minutes 200 volt, 2.2A 30 minutes200 volt, 2.2A 30 minutes 120 volt, 25A 30 minutes120 volt, 25A 30 minutes b M1-M4 similar to L1-4similar to L1-4 b L1, L5, & M1 can not open MDL 2.0 fuse

17 UL 60950 Creepage/Insulation Requirements b Shortest distance between two conductive parts depends on pollution degree, working voltage, board material oror b electric strength test (Section 5.3 table 18) 1kV or 1.5 kV hi pot event1kV or 1.5 kV hi pot event

18 UL 60950 Separation Requirements (Section 6.4) b Meet either electric strength test 1.0 kV for 60 seconds1.0 kV for 60 seconds –or b Meet impulse test: 2.5 kV, 62.5 A, 10x7002.5 kV, 62.5 A, 10x700 –or 1.0 kV, 37.5A 10x7001.0 kV, 37.5A 10x700 applied 10 times with 60 second rest periodapplied 10 times with 60 second rest period

19 TIA-968-A Surges b Type A surges (can not damage PSTN): metallic 800V 100A 10/560 2 timesmetallic 800V 100A 10/560 2 times longitudinal 1500V 200A 10/160 2 timeslongitudinal 1500V 200A 10/160 2 times b Type B surge (operational afterwards) metallic 1000V 25A 5/320 2 timesmetallic 1000V 25A 5/320 2 times longitudinal 1500V 37.5A 5/320 2 timeslongitudinal 1500V 37.5A 5/320 2 times

20 ITU K.20/21 b K.20 covers central office type of equipment b K.21 covers customer premises type of equipment b Two levels: BasicBasic EnhancedEnhanced

21 ITU K.20 surges b BASIC applied ± 5 times 5x310 25A for single port w/o primary5x310 25A for single port w/o primary 5x310 37.5A for multiple port application w/o primary5x310 37.5A for multiple port application w/o primary 5x310 100A must coordinate w/primary5x310 100A must coordinate w/primary b ENHANCED 5x310 37.5A for single port or multiple port w/o primary5x310 37.5A for single port or multiple port w/o primary 5x310 150A to eliminate need for primary5x310 150A to eliminate need for primary

22 ITU K.21 surges b BASIC applied ±5 times 5x310 37.5A for single port or multiple port w/o primary protectors5x310 37.5A for single port or multiple port w/o primary protectors 5x310 100A must coordinate w/primary5x310 100A must coordinate w/primary 8x20 1 kA to eliminate need for coordination8x20 1 kA to eliminate need for coordination b ENHANCED 5x310 150A for single port or multiple port w/o primary protectors5x310 150A for single port or multiple port w/o primary protectors 5x310 150A must coordinate w/primary 5x310 150A must coordinate w/primary 8x20 5 kA to eliminate need for coordination8x20 5 kA to eliminate need for coordination

23 ITU K.20/21 coordination b Coordination with the primary not required for BASIC IF:not required for BASIC IF: –capable of withstanding 8x20 1kA surge ± 5X not required for ENHANCED IF:not required for ENHANCED IF: –capable of withstanding 8x20 5kA surge ±5X b Coordination not required if primary is not specified (the agreed to primary protector clause)

24 ITU K.20/21 Power Cross b BASIC 600 volt, 1A for 1 second600 volt, 1A for 1 second b ENHANCED 1500 volt, 7.5A for 2 seconds1500 volt, 7.5A for 2 seconds b AND a series of 15 minute tests at 230 volts with 10,20,40,80,160,300, and 600 ohm test resistor (fuse allowed to open for BASIC and first 4 conditions for ENHANCED)

25 SIDACtor - What is it? b Over-voltage Protection For: Telecommunications EquipmentTelecommunications Equipment CATV EquipmentCATV Equipment Security SystemsSecurity Systems Data CommunicationsData Communications Thyristor ApplicationsThyristor Applications

26 SIDACtor - How Does it Work? b Turns on with voltage b Turns off with current

27 SIDACtor - How to Select b Vdrm > Peak (DC) operating voltage of protected circuit b Vs > Withstand voltage of protected circuit b Ih(MIN) > Short circuit DC current of protected circuit b Ipp > Anticipated surge current of regulatory requirements

28 +I +V -V -I ITIT ISIS IHIH I DRM VTVT V DRM VSVS SIDACtor V-I Curve

29 TeleLink Fuse - over current protection b A surge tolerant fuse element b Surface mount package b 1.25A current rating for F1250T b.5A current for F0500T b Helps applications comply with: UL 60950UL 60950 GR 1089GR 1089 TIA-968-ATIA-968-A

30 Application Circuits Application Circuits b T-1/E-1 T-1/E-1 b T3 T3 b ADSL/ xDSL ADSL/ xDSL ADSL/ xDSL b VDSL intra-building intra b VDSL inter-building inter-buildinginter-building b SLIC (subscriber line interface circuit) SLIC (subscriber line interface circuit) SLIC (subscriber line interface circuit)

31 Application Circuits Application Circuits b SLIC (subscriber line interface circuit) line interface circuit)line interface circuit) b Ethernet 10/100 BaseT Ethernet 10/100 BaseT Ethernet 10/100 BaseT b ISDN ISDN b Transformer Protection Transformer Protection Transformer Protection

32 T1/E1 Protection

33 T3 Protection

34 ADSL/xDSL Protection

35 VDSL intra-buiding Protection

36 VDSL inter-building Protection

37 HDSL Protection

38 SLIC Protection

39 Ethernet 10/100BaseT Protection

40 ISDN Protection

41 Transformer Protection

42 5-pin modules

43

44

45 6-Pin Dual Balanced Protector

46 6-Pin SLIC Protector

47 6-Pin Battrax


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