Avaya S8700 - Install the Coupled Bonding Conductor; Install Coupled Bonding Conductor Wires

167
Installing the Avaya™ S8700 Media Server with Avaya™ MCC1 or SCC1 Media Gateway
May 2003
Install the Coupled Bonding Conductor
The Coupled Bonding Conductor (CBC) provides mutual inductance coupling between the
CBC and the telephone cables exposed to lightning. The 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.
The conductor consists of a 10 AWG (#25) (2.5 mm
2
) wire tie-wrapped to the inside wiring
cable and terminated at the CBC terminal bar at the Main Distribution Frame (MDF). A
minimum of 12 inches (30.48 cm) spacing must be maintained between the CBC and other
power and ground leads.
The 10 AWG (#25) (2.5 mm
2
) wire must be long enough to reach the telecommunications
cables at the rear of the media gateways, to follow these cables to the MDF, and to terminate at
the CBC.
The conductor can be a 10 AWG (#25) (6 square millimeters) wire tie wrapped to the exposed
cables, a metal cable shield around the exposed cables, or 6 spare pairs from the exposed cable.
Install Coupled Bonding Conductor Wires
1 At the DC power cabinet, connect a 10 AWG (#25) (6 mm
2
) ground wire to the Ground
Discharge Bar. See ‘‘Typical Power and Ground for a DC power cabinet’’ on page 168
.
2 Route the 10 AWG (#25) (6 mm
2
) ground wire to the CBC ground terminal bar at the
MDF.
3 Tie wrap the ground wire to the inside wiring cable.