CNI QCM486 Manual Download Page 12 | Manualshive

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CNI QCM486 Manual Download Page 12

QCM486 Miniature Protector Connector (MPC)

- 12 –

comtestnetworks.com

12. Testing

Test field terminals are numbered to show

beginning and end of each row of five terminals

(Figure 10):

• 1, 5

• 6, 10

• 11, 15 (through . . .)

• 96, 00 (100)

Use of p/n QCM31A test connector or other

standard test equipment is recommended to test

connections. Test connector p/n QCM31A fits

into the top and bottom slots on the test field

and has locating pins which mate with holes on

the field to ensure proper alignment.

NOTE:

For MPC dual stubs: test field for this is

not connected.

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Summary of Contents for QCM486

Page 1: ...ies that are sold separately or to request installation information if necessary 2 Description 2 1 The QCM486 Miniature Protector Connector MPC Figure 1 is a 100 pair connector for terminating and protecting cable pairs in Central Offices CO and customer premises 2 2 The MPC provides Voltage protection or voltage current protection on cable pairs Direct feed facility between outside plant cable pa...

Page 2: ... clearances for rolling ladder and the MPC is approximately 51 mm 2 in NOTE If this measurement is not met contact theCentralOfficeEngineeringGroupforcorrection prior to mounting MPC units 3 2 Where distributing frame verticals are not drilled to fit MPC 140 mm 5 5 in mounting centers replace verticals drill as required or install a mounting bar kit 3 3 The following precautions are included per r...

Page 3: ...provide the following connections and terminations Tip T and Ring R conductor terminations for one outside plant cable pair and parallel connection to equivalent test field pair through the two long pins on the base T and R conductor connections to one CO cross connect terminal pair through the two short pins on the base Ground connection to MPC housing through spring contacts on the side of prote...

Page 4: ...he protector side Wire wrap terminals on the other side terminate the Tip and Ring of one CO pair through internal wiring from the corresponding pair of contacts on the cross connect field 5 6 When the protector unit is withdrawn to the detent position the short pins on the protector unit break contact with the receptacle pins opening the circuit between CO and outside plant cable pairs The long p...

Page 5: ...inst the right side of the vertical with the short bend of the mounting bar located to the left Figure 5 6 5 Fasten mounting bar to vertical using the screws provided Leave 75 mm 3 in between the mounting bar and the guard rail at the bottom of the frame Insert screws from right through the 50 mm 2 in slots in the mounting bar into the existing holes in verticals Position screws at top center and ...

Page 6: ...r nonstandard height frame Cut as required remove burrs and paint end 6 8 Connect a ground strap between the top mounting slot of each mounting bar and the bottom mounting slot of the bar above Figure 5 6 9 Using flexible ground strap and clamp plate connect the mounting bar kit to the ground bar of frame Figure 6 NOTE When free mounting holes are not available on the ground bar use the existing n...

Page 7: ...QCM486 Miniature Protector Connector MPC 7 comtestnetworks com 7 Recommended Distributing Frame Capacities ...

Page 8: ...racket slots on the two screws in the frame vertical Figures 8 and 9 NOTE Mount the first MPC on the appropriate frame verticals Compact PDF 356 mm 14 in from floor or 203 mm 8 in from ladder guard rail Figure 7 Conventional PDF 305 mm 12 in from floor Figure 7 NOTE Position the MPC so that the plastic stud on the top of the connector immediately below engages the slot on the bottom of the connect...

Page 9: ...F 356 mm 14 in from floor or 203 mm 8 in from ladder guard rail Figure 7 Conventional PDF 305 mm 12 in from floor Figure 7 NOTE Position the MPC so that the plastic stud on the top of the connector immediately below engages the slot on the bottom of the connector being mounted 9 7 Tighten screws to secure the MPC to the vertical 9 8 Dress the stub up or down the distributing frame 9 9 Mark the MPC...

Page 10: ...e connector being mounted 10 7 Tighten screws to secure MPC to the vertical 10 8 Dress one of the stubs to the distribution frame and then dress the second stub 10 9 Mark the MPC designation strip with the number and pair count of the cable being terminated 10 10 Test the protector modules NOTE Splice stubs to the main cable as required by the job specification using standard splicing procedures f...

Page 11: ...r tie wraps on the MPC to the first transverse arm below the MPC 11 12 Unlock the adapter swing the MPC full left and lock in position 11 13 Using standard wire wrap tools procedures and the wiring diagram in Figure 10 terminate the cable pairs on the long pin terminals of the protector terminal field 11 14 Dress all wires on protector field and replace the cover over protector terminals 11 15 Unl...

Page 12: ...Figure 10 1 5 6 10 11 15 through 96 00 100 Use of p n QCM31A test connector or other standard test equipment is recommended to test connections Test connector p n QCM31A fits into the top and bottom slots on the test field and has locating pins which mate with holes on the field to ensure proper alignment NOTE For MPC dual stubs test field for this is not connected ...

Page 13: ...o rear slot 13 1 3 Terminate cross connect wire on the applicable quick clip terminals on the cross connect field NOTE The A0276558 termination removal tool must be used on quick clip terminals 13 1 4 Dress cross connect wire in the channels on the cross connect field between front and rear fanning strips and on the distributing frame 13 2 Removal NOTE Whendisconnectingwiresonthecross connect fiel...

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