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Chapter 4 Installing the Cisco SCE8000 Chassis

Figure 4-11

Figure 4-12

IEC 60320 C20

DC-Powered Systems

Basic guidelines for DC-powered systems include the following:

•

Do not connect the DC-return wire to the system frame or to the system grounding equipment.

Caution

OL-21054-04

CAB-AC-16A-AUS

Plug: AU20S3

CAB-C19-CBN

Connector:

Cordset rating: 16 A, 250 V

Each chassis power supply should have its own dedicated input power source. The source must

comply with the safety extra-low voltage (SELV) requirements in the UL 60950, CSA 60950, EN

60950, and IEC 60950 standards.

The DC supplies each have the provision for a dual connection to the power source in order to permit

high-power operation without exceeding current ratings. For the SCE8000, it is not necessary to

connect both of these inputs to DC power sources; it is sufficient to connect only the '1' connections.

Each circuit must be protected by a dedicated two-pole circuit breaker. The circuit breaker should

be sized according to the power supply input rating and local or national code requirements.

The circuit breaker is considered the disconnect device and should be easily accessible.

The system ground is the power supply and chassis ground.

Cordset rating: 16 A, 250 V

Length: 14 ft 0 in. (4.26 m)

Length: 9 ft 0 in. (2.7 m)

Cisco SCE8000 10GBE Installation and Configuration Guide

DC-Powered Systems

Connector: IEC 60320 C19

Connector:

IEC 60320 C19

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