MDF connections to stations and the public switched telephone network

To provide the coupled bonding protection:

1.Cut a 10 AWG (#25) (2.5 mm2) wire long enough to reach from the equipment room single-point ground block (or DC power Ground Discharge Bar) to the MDF CBC block. See Figure 28: Coupled Bonding Conductor on page 61.

2.Connect one end of the 10 AWG (#25) (2.5 mm2) 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 mm2) wire to the 25-pair cables.

5.Connect the 10 AWG (#25) (2.5 mm2) wire to the MDF CBC ground block.

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

60 Installing and Connecting the MDF and Telephones

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Avaya 03-300686 manual Installing and Connecting the MDF and Telephones