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ADCP-80-526 • Issue 6 • December 2006

Page 18

© 2006, ADC Telecommunications, Inc.

4.2

Mounting Fuse Platform on Rack

The fuse platform can be mounted in either a 19- or 23-inch (48.26 or 58.42 cm) wide rack. Two
sets of mounting brackets, one set for 19-inch racks and one set for 23-inch racks, are provided
with the fuse platform.

Eight 5/16-inch (7.936 mm) long, thread-forming, Phillips-drive, 8-32 flat-head screws are
provided for attaching the mounting brackets to the panel. Four 3/8-inch (9.53 mm) long,
Phillips-drive, 12-24 pan-head screws (with flat washers) are provided for attaching the
mounting brackets to the equipment rack.

Use the following procedure to attach the mounting brackets to the fuse platform and to install
the fuse platform in the equipment rack:

1. Select the set of mounting brackets (19- or 23-inch) that correspond to the width of the

equipment rack into which the fuse platform will be installed.

2. Orient the mounting brackets as shown in

3. Attach the brackets to the sides of the fuse platform using the eight 5/16-inch (7.94 mm)

long flathead screws provided. Tighten screws to 15 pound force-inches (1.7 Newton
meters) of torque to insure grounding.

Figure 13. Mounting Brackets

Note:

A fuse platform with the cable management bar attached may exceed the 12 inch

(305 mm overall depth objective described in GR-63 CORE, 02-14.

Caution:

When attaching the mounting brackets to the fuse platform, use only the 5/16-inch

(7.94 mm) long, thread-forming, flat-head screws supplied with the fuse platform. Use of any
other hardware could cause contact with internal parts of the fuse platform. If parts are
missing, contact ADC to order replacement parts.

18864-A

19-INCH RACK

INSTALLATION

23-INCH RACK

INSTALLATION

5/16-INCH (7.94 MM)

8-32 FLAT-HEAD

THREAD-FORMING

SCREWS

TIGHTEN MOUNTING SCREWS

TO 15 POUND-FORCE INCHES

(1.7 NEWTON METERS) OF TORQUE

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Summary of Contents for PowerWorx Power Distribution Products

Page 1: ...ADCP 80 526 Issue 6 December 2006 1354430 Rev B PowerWorx Power Distribution Products Select Series Fuse Platform User Manual 18858 A ...

Page 2: ...cations and services during and after the warranty period This publication may be verified at any time by contacting ADC s Technical Assistance Center at 1 800 366 3891 extension 73475 in U S A or Canada or 952 917 3475 outside U S A and Canada or by e mail to connectivity_tac adc com ISSUE DATE REASON FOR CHANGE 1 12 1999 Original 2 02 2001 Changed cable management bar updated cooling and tempera...

Page 3: ...8 1 13 Alarm Contact Operation 8 1 14 Alarm Contact Connectors 9 1 15 Fuse Alarm Indicators 9 1 16 Power On Indicator 10 1 17 Fused Equipment Designation Card and Holder 10 1 18 Voltage Designation Label 10 1 19 Environmental Characteristics 11 1 20 Material and Finish 11 1 21 Weight 11 1 22 Cooling 11 1 23 Protective Cover 12 1 24 Dimensions 12 2 UNPACKING AND INSPECTION 13 3 PRE INSTALLATION 13 ...

Page 4: ...nstalling Fuse Designation Card Holder and Card 26 4 10 Installing Voltage Designation Label 26 4 11 Installing Fuses 26 5 SYSTEM CHECK 26 5 1 Wiring Connections Torque Measurements 26 5 2 Power Indication Test 26 5 3 Connection Polarity Test 27 5 4 GMT TPA Fuse Alarm Test 27 5 5 KLM Fuse Alarm Test 27 6 OPERATION 28 7 MAINTENANCE 28 7 1 Inspection 28 7 2 Cleaning 28 7 3 Fuse Removal 28 8 CUSTOMER...

Page 5: ...ular alert icon seen below and are listed in descending order of severity of injury or damage and likelihood of occurrence GENERAL SAFETY PRECAUTIONS Danger Danger is used to indicate the presence of a hazard that will cause severe personal injury death or substantial property damage if the hazard is not avoided Warning Warning is used to indicate the presence of a hazard that can cause severe per...

Page 6: ...munications Inc Warning Wet conditions increase the potential for receiving an electrical shock when installing or using electrically powered equipment To prevent electrical shock never install or use electrical equipment in a wet location or during a lightning storm ...

Page 7: ...ut and output terminals Two hole compression lug terminals for input power connections Two grounding studs for robust and reliable ground connectivity Screw down barrier terminal strips for power output connections Relay contacts for alarm notification The alarm contacts may be used to open or close a loop connected from an external alarm system 1 2 Fuse Platform Components The Select Series Fuse ...

Page 8: ...OUTPUT TERMINALS BUS A GMT FUSED POWER OUTPUT TERMINALS BUS B KLM KTK FUSED POWER OUTPUT TERMINALS BUS A KLM KTK FUSED POWER OUTPUT TERMINALS BUS B GMT FUSE HOLDER 4 POSITION FRONT VIEW BUS A KLM KTK FUSE HOLDERS BUS A POWER ON INDICATOR GREEN LED BUS B POWER ON INDICATOR GREEN LED DESIGNATION CARD AND CARD HOLDER COVERS FOR INPUT POWER TERMINALS BUS A KLM KTK FUSE ALARM INDICATOR RED LED TYPICAL ...

Page 9: ... WECO or ETSI All fuse platforms can be installed in either a 19 inch or 23 inch rack The fuse platform comes with mounting brackets for both rack widths 1 4 Packaged Hardware The fuse platform is shipped with hardware components shown in Figure 2 that are packaged separately and enclosed in the same carton The packaged hardware components include the following items Two sets of mounting brackets ...

Page 10: ...ent to the panel the rack or a location close to the panel The designation card inserts into the card holder It is also available as an accessory item Figure 2 Packaged Hardware Components REAR COVER FOR OUTPUT POWER TERMINAL BLOCKS ALARM TERMINALS AND CHASSIS GROUND TERMINALS 10 RING TERMINALS FOR 12 10 AWG WIRE GROUNDING REAR COVERS FOR INPUT POWER TERMINAL BLOCKS DESIGNATION CARD PROTECTIVE COV...

Page 11: ...h one or two separate power buses Each bus distributes the input power to multiple fused output circuits In each bus circuit current flows from the input connector to the fuse bus When a fuse is installed in a fuse holder the circuit is completed to the corresponding output connector Figure 3 provides a diagram of the power buses in a typical fuse platform Fuse failure is sensed by a sensor which ...

Page 12: ...he fuse platform rear side The power dissipation of the panel is 80 watts maximum per fuse platform 40 watts per bus at 100 Amps Figure 3 Block Diagram of Typical Fuse Platform Power Buses Note The continuous output load of the equipment during normal operation should not exceed 80 of the rated value of the fuse This allows some room for manufacturing tolerances and voltage fluctuations in the pla...

Page 13: ...ominal within a range of 21 Vdc to 30 Vdc 48 Vdc nominal within a range of 42 Vdc to 56 Vdc Fuse panels for use with other input voltage values and polarity may be available by special order 1 10 Input Power Connectors Input power to the power bus is supplied through an input power terminal block located on the rear side of the fuse platform Dual bus fuse platforms have a separate input terminal b...

Page 14: ... determined based on local requirements and practice 1 12 Ground Connectors Two 10 studs with nuts are provided for grounding the fuse platform chassis The studs are mounted on 0 625 inch 15 875 mm centers Two crimp ring lug terminals for two 10 AWG wires are provided with each fuse platform The fuse platform may be grounded using only one stud 1 13 Alarm Contact Operation The fuse platform contai...

Page 15: ...for both buses The alarm terminal block has three sets of three wire wrap pins NO C NC for use with three alarm systems The wire wrap pins can accept 22 to 26 AWG copper wire with insulation stripped back In selecting wire size follow local code referring to the ampacity guidelines provided in Appendix A of this manual 1 15 Fuse Alarm Indicators A visual fuse alarm indicator red LED is provided on...

Page 16: ...with circuit information for each of the circuits and inserted in the card holder The card holder has a pressure sensitive adhesive backing for attachment Additional fused equipment designation cards card holders and plastic covers can be ordered separately if required Figure 4 Fuse Designation Cards 1 18 Voltage Designation Label A voltage designation label shown in Figure 5 is provided with the ...

Page 17: ...nings allow convection cooling of all components without the use of fans or blowers A minimum of 1 75 inches 4 45 cm of air space one rack space must be provided above and below the fuse platform to allow air to circulate freely Table 2 Fuse Platform Environmental Characteristics PARAMETER DESCRIPTION Operating temperature 5 C to 50 C Storage temperature 45 C to 85 C Humidity range operating 0 to ...

Page 18: ...tors the chassis ground terminals and the external alarm contact connections To access the connectors and terminals loosen do not remove the four screws 1 24 Dimensions Figure 6 shows the dimensions of the fuse platform Figure 6 Dimensions of Select Series Fuse Platform 17 13 IN 43 51 CM 11 1 IN 28 2 CM 10 00 IN 25 41 CM 23 00 IN 58 42 CM 18862 A 1 13 IN 2 87 CM 1 75 IN 4 44 CM 22 31 IN 56 67 CM ...

Page 19: ...a central office equipment room or restricted access location Observe the following guidelines when installing the fuse platform Mount the fuse platform in the upper area of the rack or cabinet to reduce exposure of the power wiring Provide a minimum of 1 75 inches 4 45 cm of air space one rack space above and below the fuse platform to allow air to freely circulate Be aware that adding a fuse pla...

Page 20: ...ts as described here should be performed to verify that no internal damage has occurred during shipping and handling Using a multimeter that is set to perform a continuity check perform the following tests Test 1 Input Battery to Input Return Perform this test on each input power terminal block Connect one test probe to the input power BATT terminal and the other test probe to the input power RTN ...

Page 21: ...r each input power position and fuse type refer to Figure 10 and Figure 11 1 Connect one test probe to the input power RTN terminal 2 Connect the other test probe to the RTN terminal on the output power terminal block 3 Verify that continuity exists between the specified terminals Note When done remove the working fuse from the fuse holder following completion of this test and reinstall an empty f...

Page 22: ...m fails any of the specified tests it is defective and must not be installed Contact ADC see Section 8 Customer Information and Assistance on page 29 for an RMA Return Material Authorization and to reorder if replacement is required 4 INSTALLATION This section provides procedures for mounting the fuse platform on a rack and installing wiring Wiring includes input grounding alarm and output wiring ...

Page 23: ...perate maintain or otherwise come in contact with this equipment when the fuse platform is energized Only insulated tools should be used on energized elements of the fuse platform Warning Never install telephone equipment in a wet location or during a lightning storm When installing or modifying telephone lines disconnect lines at the network interface before working with uninsulated lines or term...

Page 24: ... to the width of the equipment rack into which the fuse platform will be installed 2 Orient the mounting brackets as shown in Figure 13 3 Attach the brackets to the sides of the fuse platform using the eight 5 16 inch 7 94 mm long flathead screws provided Tighten screws to 15 pound force inches 1 7 Newton meters of torque to insure grounding Figure 13 Mounting Brackets Note A fuse platform with th...

Page 25: ...nel to an approved office ground source 1 Obtain two lengths of 10 AWG wire for use as the chassis grounding wires 2 Terminate one end of each wire with the 10 ring terminals provided requires crimper Caution Do not use any hardware other than the hardware supplied with the fuse platform Note A single ground wire can also be used If using a single ground wire use 6 AWG wire terminated at either st...

Page 26: ...g the nuts with captive star washers provided requires 3 8 inch socket Tighten each stud nut to 23 pound force inches 2 6 Newton meters of torque 5 Route the free end of each chassis grounding wire to an approved office ground source 6 Cut each chassis grounding wire to length and connect it to the office ground source as required by local code or practice DETAIL DRAWING OF GROUNDING WIRE CONNECTI...

Page 27: ...ugs insulation stripped back In selecting wire size follow local code referring to the ampacity guidelines provided in Appendix A of this manual Tighten the terminal screws to approximately 9 pound inches 1 Newton meter of force Wire wrap terminal Wrap terminal block pins using 22 to 26 AWG copper wire with insulation stripped back In selecting wire size follow local code referring to the ampacity...

Page 28: ...cepted for copper wire In selecting wire size follow local code referring to the ampacity guidelines provided in Appendix A of this manual Connect the output BATT and RTN terminals see Figure 17 for each fused circuit to the appropriate set of terminal strips Use the appropriate wire size with appropriate size crimp on spade lugs or ring connectors or use the appropriate size wire with insulation ...

Page 29: ... specified by the equipment manufacturer Note The continuous output load of the equipment during normal operation should not exceed 80 of the rated value of the fuse This allows some room for manufacturing tolerances and voltage fluctuations in the plant power mains Warning Use of one bus only on a dual bus panel will result in false alarms for the unused bus Power is required on both buses on a d...

Page 30: ...minals and secure to side of rack 8 Use the nuts with captive star washers provided to secure the input power wires to the two input power terminals as shown in Figure 19 Each input power terminal has two terminals labeled BATT and RTN Connect the wires to the terminals as follows a Battery wires Connect to BATT terminals on the A and B input power terminal blocks b Return wires Connect to RTN ter...

Page 31: ...between the output power screw down terminal strips Rotate each screw approximately two turns to get it started Hold the cover so the lettering is oriented properly and then install the cover over the screw heads Slide the cover to the left and then tighten the screws 4 8 Installing GMT Fuse Designation Pins Color coded fuse designation pins accessory item are available for GMT fuses The pin color...

Page 32: ...check out the platform after completing installation 5 1 Wiring Connections Torque Measurements Measure the torque of all input output chassis ground and fuse alarm relay contact connections included in the non powered testing paragraphs above using a torque screwdriver that is calibrated in pound force inches Newton meters The torque specifications are printed on the rear of the panel adjacent to...

Page 33: ...l Assistance Center TAC 5 4 GMT TPA Fuse Alarm Test Place a fuse that has failed in one of the fuse positions on each bus The visual fuse alarm LED s will change from unlit to lit red light and the fuse alarm relay will operate Replace the failed fuses with known good fuses 5 5 KLM Fuse Alarm Test Perform the following tests 1 With the fuse platform powered no load on the outputs and no KLM fuses ...

Page 34: ... Take care not to not damage the fuses or any wiring 7 3 Fuse Removal The GMT fuses can be removed with the aid of a wire hook or tweezers type fuse puller A fuse puller is available as an accessory item A TPA or KLM fuse may be removed by pulling the fuses straight out from the fuse holders Caution This equipment employs electrical voltage and amperage levels which may be considered an electrical...

Page 35: ...Extension 73475 Wireless Extension 73476 ASIA PACIFIC Sales Administration 65 6294 9948 Technical Assistance 65 6393 0739 ELSEWHERE Sales Administration 1 952 938 8080 Technical Assistance 1 952 917 3475 Italy 0800 782374 PRODUCT INFORMATION AND TECHNICAL ASSISTANCE Contents herein are current as of the date of publication ADC reserves the right to change the contents without prior notice In no ev...

Page 36: ...ADCP 80 526 Issue 6 December 2006 Page 30 2006 ADC Telecommunications Inc ...

Page 37: ...l Table 310 16 NEC Allowable Ampacities of Insulated Conductors Rated O Through 2000 Volts 60 to 90 C 140 to 194 F Not More Than Three Current Carrying Conductors in Raceway or Cable or Earth Directly Buried Based on Ambient Temperature of 30 C 86 F SIZE TEMPERATURE RATING OF CONDUCTOR AWG KCMIL 60 C 114 F 60 C 114 F 60 C 114 F TYPES TW UF TYPES FEPW RH RHW THHW THW THWN XHHW USE ZW TYPES TBS SA S...

Page 38: ... 650 735 2000 560 665 750 CORRECTION FACTORS For ambient temperatures other than 30C 86F multiply the allowable ampacities shown by the appropriate factor shown below 21 25 1 08 1 05 1 04 26 30 1 00 1 00 1 00 31 35 91 94 96 36 40 82 88 91 41 45 71 82 87 46 50 58 75 82 51 55 41 67 76 56 60 58 71 61 70 33 58 71 80 41 Table 310 16 NEC Allowable Ampacities of Insulated Conductors Rated O Through 2000 ...

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