Usb Console; Online Insertion And Removal; Power Supply (N540-Pwr400-A And N540-Pwr400-D); Fan Assembly (N540-Fan) - Cisco NCS 540 Hardware Installation Manual

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USB Console

A single USB 2.0 Type-A receptacle on the front panel of the router provides console access to ROMMON,

Cisco IOS-XE and diagnostics. While it uses the Type-A connector, it operates as a USB peripheral only for

connection to an external host computer. This interface requires the use of a Type-A to Type-A connector

instead of a standard USB cable.

Note

Use of the USB console is mutually exclusive of the RS232 console port. This interface requires the use of a

Type-A to Type-A USB cable.

The router supports the following OIR operations:

• When an SFP is removed, there is no effect on traffic flowing on other ports.

• When an SFP is installed, the system initializes that port for operation that is based on the current

• Both power supplies are installed and active, the load may be shared between them or a single PSU could

The Cisco NCS 540 router supports two AC or DC power supplies, which power the router. The second power

supply ensures redundancy in the system. Both power supplies support hot swapping capabilities.

Cisco NCS 540 Router comes with 4 individual fan modules. Fans are located at the rear panel and support

hot swapping. Fan flow is supported only on the forward direction from front to back.

Note

The system can function with a single fan failure but if more than one fan is faulty then the system shuts down.

Cisco NCS 540 Router Hardware Installation Guide

configuration. If the inserted SFP is incompatible with the current configuration for that port, the port

does not become operational until the configuration is updated.

support the whole load. When a power supply is not working or the input cable is removed, the remaining

power supply takes the entire load without disruption.

Cisco NCS 540 Router Overview

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