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This section describes the requirements for wiring of power connections to the Sonus SBC 1000/2000 system.

For more information about grounding requirements for the Sonus SBC 1000/2000 system, see System Grounding Requirements. For more information the power supply units installed inside the Sonus SBC 1000/2000 chassis, see Sonus SBC 1000/2000 System Power Supplies.

Power Connections and Wiring

Provide AC power of nominal 120V/60Hz or 240V/50Hz for the equipment rack or shelf where the Sonus SBC 1000/2000 system is installed. For each line feed supplied to the rack or shelf, a dedicated primary branch circuit protection is required.

Sonus SBC 1000/2000 Series equipment must be provided with dedicated branch circuit protection as a means of disconnecting the (electric) main to ensure the proper operation of and the safety of the persons servicing and operating this equipment. Therefore, the customer must provide an external circuit breaker that conforms to local electrical codes.

Power connections to Sonus SBC 1000/2000 Series equipment must be provided from branch mains installed by a trained service personnel. For minimum wire requirements, see the tables below.

United States and Canada

Requirements

 

Minimum Wire Size

14 AWG

Minimum Voltage Rating

300 V

Insulation

PVC

Conductor

Stranded

Europe

Requirements

 

Minimum Wire Size

1.63 mm

Minimum Voltage Rating

300 V

Insulation

PVC

Conductor

Stranded

Use only the AC power cord(s) supplied with the Sonus SBC 1000/2000 system.

Sonus SBC 2000 Only: After the IEC power cord is plugged into the power supply module, secure by engaging the retaining clip over the power cord grip.