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4300 Remote Broadband Access Concentrator Installation Instructions
Cabinet Grounding Information
Bonding and grounding should be done in accordance with the operating telephone company’s standard
procedures and comply with local electrical codes.
GROUND WIRE
The ground wire protects the electronics from voltage surges. A #6 ground wire must be properly grounded to
provide lightning surge protection for the cabinet. Please follow this practice for attaching the ground unless local
policies dictate otherwise.
For safety and performance reasons it is imperative that a cabinet be properly grounded. The following guidelines
should be used to ground the cabinet unless local practices, rules, or regulations dictate otherwise.
Each door and equipment rack is grounded to the cabinet frame. The cabinet frame is connected to the internal
grounding bus by a stranded wire. A similar ground wire must be used to connect the ground bus to each
equipment ground lug. These ground wires may need to be removed temporarily to troubleshoot ground faults. The
wire may be removed by unscrewing the screws that secure the green wire to the ground bus. Be sure to reattach
these wires after troubleshooting and resolving any ground conflicts.
Be sure to ground the cabinet before connecting power to the cabinet. This grounding must be in effect at all times
to safeguard personnel.
14 July 2004 4300-A2-GZ40-00