Cisco ASR 920 series Посібник з встановлення обладнання - Сторінка 18

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Cisco ASR 920 Router Features

This is a debug-only port. it is recommended that this port be used by field service engineers only.

Note

Power Supply and Fans

The Cisco ASR 920 routers support either AC or DC power supplies in a 1+1 redundant configuration.

Note

The power supply units are built-in and are not modular.

Table 1-2

Specification

Voltage

Current

Input Power

Note

This product requires surge protection as part of the building installation. To comply with the Telcordia

GR-1089 NEBS standard for electromagnetic compatibility and safety, an external surge protective

device (SPD) is required at the AC power service equipment.

For DC systems, if a surge of more than 500 V is expected, add an appropriate external surge protective

Note

device.

The Cisco ASR 920 routers have fixed fans are part of the system. The system is designed to operate at

its maximum operating temperature of 70º C and at 65º C in case of failure of a single fan, for a maximum

of four hours. The fan is not removable and in case of a failure, the system must be replaced.

In case of power supply or fan failure, it is highly recommended to let a Cisco technician replace the

Caution

router.

This section describes the different types of LEDs and their behavior.

PWR and STAT LEDs

The PWR and STAT LEDs are available on the front panel. These LEDs provide power on the board

(PWR) and overall router health (STAT) status. During power up state, these LEDs provide booting

status and report errors.

Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide

1-8

Power Supply Specification

100 V – 240 V

2A through a standard C16 type

receptacle

115 W

(ASR-920-12CZ-A/ASR-920-4SZ-A)

Chapter 1

Cisco ASR 920 Series Aggregation Services Router Overview

24 V – 60 V

6A through a three-position terminal block

105 W

(ASR-920-12CZ-D/ASR-920-4SZ-D)

OL-32751-01