This section describes the grounding requirements for Sonus SBC 1000/2000 systems.
Grounding Requirements
Sonus SBC 1000/2000 Series equipment must be grounded to the building ground network. For ground wire specifics, see the tables below for the United States, Canada and Europe. Only qualified service personnel should perform the electrical procedures for grounding wire installation. Requirements Minimum Wire Size 14 AWG Minimum Voltage Rating 300 V Conductor Stranded Requirements Minimum Wire Size 1.63 mm Minimum Voltage Rating 300 V Conductor Stranded
United States and Canada Grounding Connections
Europe Grounding Connections
Connecting the Sonus SBC 1000/2000 Chassis to Earth Ground
When installing the chassis, connect the earth ground wires from the Sonus SBC 1000/2000 chassis to the facility ground bus.
You must provide connections between the earth ground connection points on the chassis and the facility ground bus. To avoid a potential electrical hazard, be sure to confirm that the system power supplies are physically disconnected from the power feed before installing the wires.
Use the grometed holes on the right and left flanges of the rack, as the attachment points for the safety ground wiring described in the following procedure.
Ground Connections on Left Rear Panel of the Sonus SBC 2000
Ground Connections on Left Rear Panel of the Sonus SBC 1000
To Ground the Sonus SBC 2000 System
- Locate the ground connection bolt at the back left corner of the chassis.
- For Sonus SBC 2000, attach 14 AWG copper wire and a 1-hole UL approved lug to the grounding bolt. Use Panduit PN14-6R or equivalent.
To Ground the Sonus SBC 1000 System
- Locate the ground connection bolt at the back left corner of the chassis.
- For Sonus SBC 1000, attach 14 AWG copper wire and a 1-hole UL approved lug to the grounding bolt. Use Panduit PN14-6R or equivalent.
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