Chapter 1

Introduction

Hardware Description

Dual feed supply with redundant DC inputs plus built in redundant power supply (RPS) or single AC input.

Three fans placed in the chassis

Chassis: I RU, 10 inch depth (Cisco ASR 901 10G router)

Operating temperature range is -40 to +149°F (-40°C to +65°C).

Airflow is left to right

Four solid state alarm inputs

A single built-in 1Gigabit (128 MB) Flash memory. For A901-6CZ-FS-D and A901-6CZ-FS-A PIDs, the memory requirement is 256MB.

Two management ports: RS-232 serial console and 10/100 Base-T Ethernet ports

One BITS clock port (RJ45) and 1 ToD port (RJ45)

Two miniature coaxial connectors for 10Mhz and 1PPS timing (input or output). You can use these interfaces with an external GPS device to send or receive clocking from the router.

A single USB port

Two LEDs for each T1/E1 port

C—indicates out of service or not configured, carrier condition, and loop condition

AL—no alarm, or alarm condition

Two LEDs for each Ethernet port

L—indicates activity, lack of activity, or no link

S—indicates speed (100 or 1000) or off

One System LED:

Solid Green—System Healthy (normal operation)

Solid RED—System Faulty

Cisco ASR 901 10G Router—Front View of TDM Version

The front panel of the Cisco ASR 901 10G (TDM version) router has the following components:

Eight T1/E1 ports, labelled T1/E1 (positions 0, 1, 2, 3, 4, 5, 6, and 7)

Eight RJ-45 connectors for copper Ethernet ports, labeled “GE” (positions 0, 1, 2, 3, 4, 5, 6, and 7)

Eight SFP connectors for optical GE ports (positions 4, 5, 6, 7, 8, 9, 10, and 11)

Two SFP+ connectors for optical 10 G ports (positions 0 and 1)

Two miniature coaxial connectors for 10MHZ and 1PPS timing

A single RJ-45 connector for console, labeled “CONSOLE”

A single RJ-45 connector for management port, labeled “MGMNT”

A single RJ-45 connector for the BITS interface, labeled “BITS”

A single RJ-45 connector for the ToD interface, labeled “TOD”

A single RJ-45 connector for alarm.

Dual feed supply with redundant DC inputs or single AC input.

The following LEDs

Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide

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Cisco Systems manual Cisco ASR 901 10G Router-Front View of TDM Version