DEFINITY Made Easy Tools
Issue 3, December 2001

Install Telecommunications Cabling

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Install Coupled Bonding Conductor

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The Coupled Bonding Conductor (CBC) connects to the single-point ground block and runs adjacent to pairs in an associated telecommunications cable. The mutual coupling between the bonding conductor and the pairs reduces potential differences in terminating equipment.

1. Cut a 10 AWG (#25) (2.5 mm 2) wire long enough to reach from the system's single-point ground block or DC power cabinet Ground Discharge Bar to the MDF CBC block.


2. Connect one end of the 10 AWG (#25) (2.5 mm 2) wire to the single-point ground block (or Ground Discharge Bar).


3. Route the wire next to the 25-pair cables connecting to the trunk/auxiliary (purple) field.


4. Tie wrap the 10 AWG (#25) (2.5 mm 2) wire to the 25-pair cables.


5. Connect the 10 AWG (#25) (2.5 mm 2) wire to the MDF CBC ground block.


6. Repeat the above steps for each CBC ground wire installed.

Coupled Bonding Conductor

Figure Notes

1. 25-Pair Tip & Ring Cables to Cabinets


2. Coupled Bonding Conductor (CBC) Terminal Block


3. Tie Wraps


4. Cable Shield or Six Spare Pairs


5. Ground on Carbon Block Protector or Equivalent


6. Trunk Cable to Network Interface


7. 10 AWG (#25) (2.5 mm 2 ) Wire


8. To Network Cabinets


9. Battery Plant Ground Discharge Bar for Single-Point Ground


10. Cross-Connect Ground Block


11. Main Distribution Frame (MDF)


12. To Other Cross-Connect Ground Blocks


13. Approved Ground


14. Coupled Bonding Conductor (CBC)

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Copyright� 2001 Avaya Inc.

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