Cisco Systems ASR 901 manual Introduction, Hardware Description

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C H A P T E R 1

Introduction

The Cisco ASR 901 Mobile Wireless Router is a cell site gateway platform specifically designed to provide transport for both legacy TDM and Ethernet traffic over a single converged network. The Cisco ASR 901 router is used at the cell site as a part of a 2G, 3G, or 4G radio access network (RAN) traffic.

This chapter includes the following sections:

•Hardware Description, page 1-1

•Power Supply, page 1-5

•System Specifications, page 1-7

•Router Interface Numbering, page 1-8

•Regulatory Compliance, page 1-9

Hardware Description

Contained in a standard shelf-rack enclosure, the Cisco ASR 901 router weighs approximately 10 pounds (4 kg). It measures 1.7 inches high x 17.5 inches wide x 8.3 inches deep (43.2 x 444.5 x 211 mm), 1 RU. These dimensions do not include the rack-mount brackets.

You can mount the router in a standard (ETSI) 19-inch (48.3 cm) equipment rack or 600mm ETSI rack or a 23" ETSI rack.

The Cisco ASR 901 router includes the following hardware features:

•16 T1/E1 RJ45 ports

•Four ports of 100/1000 Copper Ethernet including auto-MDIX (RJ45 connector)

•Four ports of SFP only

•Four combo ports (SFP/Copper)

•Dual feed supply with redundant DC inputs plus built in redundant power supply (RPS)

•Two fans placed in the chassis (fans are redundant)

•Chassis: 1RU, 8.25 inch depth

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

•Side to side airflow

•Four solid state alarm inputs

•A single built-in 1Gb Meninx Flash memory

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

 

OL-23778-01

1-1

 

 

 

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Contents Cisco Systems, Inc Page Audience Enter a Directory and Determine the Current Directory Time of Day Pinouts OL-23778-01 Revision Date Change Summary Document Revision HistoryConventions ObjectivesAudience OrganizationRelated Documentation Safety WarningsOL-23778-01 Hardware Description IntroductionCisco ASR 901 Router Front View Cisco ASR 901 Router-Front View Cisco ASR 901 Router Ethernet Version Front ViewFan Grounding Point Lug Cisco ASR 901 Router Rear ViewLEDs Power SupplySafety Precautions Specification ValueRTN Pin Connector aDescription Specification Environmental Monitoring Temperature SensorSystem Specifications Pin Connector BInterface Number Location Label Router Interface NumberingRegulatory Compliance OL-23778-01 Safety with Equipment Safety GuidelinesSafety with Electricity Preventing Electrostatic Discharge Damage Site Environment Power Supply ConsiderationsPrerequisites Site PlanningAir Flow Guidelines Method of ProcedureRequired Tools and Equipment Unpacking and Checking the Contents of your ShipmentTask Verified by Installation ChecklistTask Verified by Date Console Port ConsiderationsCreating a Site Log Console Port ConnectionsPreparing to Install the Router Console Port Considerations OL-23778-01 Network Modules Installing the Cisco ASR 901 Mobile Wireless RouterMounting the Cisco ASR 901 Router Rack-Mounting Configuration GuidelinesMounting the Cisco ASR 901 Router in a Rack Attaching the Rack-Mounting BracketsRack-Mounting Brackets section on Attaching the Cable GuidesGrounding the Cisco ASR 901 Router Connecting the Chassis Ground and PowerGrounding Point Stripping a Ground Wire Power Connection Compliance6-Pin Terminal Block Wiring the DC-Input Power SourceInstalling SFP Modules Installing and Removing SFP ModulesRemoving SFP Modules Installing an SFP Module into an SFP Module SlotConnecting the Console Port Connecting CablesConsole Port Types of RJ-45 CablesConnecting T1 and E1 Interface Cables Connecting the Network CablesConnecting Gigabit Ethernet Interface Cables Connecting GPS Cables Connecting SFP CablesConnecting Cables to the Bits Interface Dressing Router Cables Powering On the RouterConnecting to Alarm Port Connecting to the Management Ethernet PortInterpreting Front-Panel LEDs Checklist for Power UpPower-On Procedure Formatting Procedures for Flash MemoryCopying Files File and Directory ProceduresDisplaying Contents of the Flash Memory Deleting Files from the Flash Memory Displaying File ContentEnter a Directory and Determine the Current Directory What to Do After Installing the HardwareOL-23778-01 Problem Solving TroubleshootingSymptom Possible Cause Corrective Action Troubleshooting the Power and Cooling SystemsEnvironmental Reporting Features Information Packet publication Troubleshooting Cables, and ConnectionsSystem LED Reading the LEDsChassis LEDs Copper GE from Quad combo PHY ports contain Two Leds eachColor/State Description two LEDs for each T1/E1 port T1/E1 Interface LEDsSFP Ethernet Interface LEDs RJ-45 Ethernet Interface LEDsOL-23778-01 Gigabit Ethernet Connector Pinouts Cable SpecificationsT1/E1 Port Pinouts SFP Port Pinouts and Cable SpecificationsPin FE Signal GE Signal Pin Signal Name Direction Description Console Port Signals and PinoutsConsole Port Signals and Pinouts RJ-45-to-DB-9 Terminal Adapter Console Pin Signal Name HP Pins Direction DescriptionConsole RJ-45-to-DB-25 Port DTE Terminal Adapter Device Signal RJ-45 Pin DB-25 PinIdentifying a Rollover Cable GPS Port Pinouts Bits Port PinoutsTime of Day Pinouts 10 Mhz Alarm Port PinoutsPin Signal Name Description Management Ethernet Port PinoutsRxDP RxDN TxDP Not connected TxDN Site Log Initials DateNumerics IN-2 IN-3 IN-4

ASR 901 specifications

Cisco Systems ASR 901 is an advanced aggregation services router that is designed to meet the needs of service providers and enterprise networks. It offers a versatile platform suitable for various deployment scenarios ranging from mobile backhaul and broadband aggregation to IP edge routing. The ASR 901 is known for its compact size, energy efficiency, and robust performance, making it a preferred choice for operators looking to enhance their network infrastructure.

One of the main features of the Cisco ASR 901 is its small form factor, which facilitates installation in space-constrained environments. Its design allows for easy deployment in both indoor and outdoor settings, making it ideal for applications such as cell site backhaul and remote locations. The router supports a wide range of interfaces, including Ethernet and T1/E1, providing flexibility in connecting different network types.

The ASR 901 is built on Cisco's IOS XR software, ensuring a highly reliable and secure operating environment. This software is known for its scalability and robustness, providing operators with the ability to support large numbers of subscribers and high traffic volumes. The router also supports system redundancy features, ensuring continuous service availability and minimizing downtime.

In terms of performance, the Cisco ASR 901 delivers high throughput and low latency, which are crucial for delivering quality services like voice, video, and data. With its support for advanced network technologies such as MPLS and IPv6, the ASR 901 can effectively manage complex networking requirements while accommodating future growth.

Security is also a key consideration with the ASR 901. It includes features such as advanced encryption, access control lists, and intrusion prevention systems, aimed at protecting the integrity of network communications. Moreover, its support for Virtual LAN (VLAN) tagging and Quality of Service (QoS) mechanisms allows for efficient traffic management and prioritization, ensuring that critical applications receive the necessary bandwidth.

Furthermore, Cisco provides comprehensive management tools for the ASR 901, allowing network administrators to easily monitor and configure the router. Features like SNMP and NetFlow enable operators to gain insights into network performance and usage patterns, facilitating proactive management of their environments.

Overall, the Cisco Systems ASR 901 stands out as a powerful and flexible router, designed to meet the evolving demands of modern networks. Its combination of compact design, scalability, and advanced features positions it as an ideal solution for service providers and enterprises seeking reliable and efficient network solutions.
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