Introduction, Hardware Description | Cisco Systems ASR 901 10G

C H A P T E R 1

Introduction

The Cisco ASR 901 10G 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 10G router is used at the cell site as a part of a 2G, 3G, or 4G radio access network (RAN) traffic. This router is a small form factor, fixed, low cost platform/solution that seeks to complement the current Cisco portfolio in the IP-RAN segment.

This chapter includes the following sections:

•Hardware Description, page 1-1

•Power Supply, page 1-5

•System Specifications, page 1-9

•Router Interface Numbering, page 1-9

•Regulatory Compliance, page 1-11

Hardware Description

Note This equipment is suitable for installation in Network Telecommunications Facilities and locations where the NEC applies. The equipment is suitable for installation as part of the Common Bonding Network (CBN).

Contained in a standard shelf-rack enclosure, the Cisco ASR 901 10G router weighs approximately 10 pounds (4 kg). It measures 1.7 inches high x 17.5 inches wide x 9.1 inches deep (43.2 x 444.5 x 231 mm), 1RU. 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-inch ETSI rack.

The Cisco ASR 901 10G router includes the following hardware features:

•Eight T1/E1 RJ45 ports.

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

•Four ports of SFP only

•Two ports of 10G SFP+ only

•Four combo ports (SFP/Copper)

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

	OL-28105-02	1-1

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Cisco Systems ASR 901 10G manual Introduction, Hardware Description

Contents

Cisco Systems, Inc Page N T E N T S Site Environment Formatting Flash Memory as a DOS File System Alarm Port Pinouts B-8 Revision Date Change Summary Document Revision History Conventions ObjectivesAudience Organization Related Documentation Safety Warnings OL-28105-02 Hardware Description Introduction Cisco ASR 901 10G Router-Front View of TDM Version Cisco ASR 901 10G Router-Front View of Ethernet Version Cisco ASR 901 Router-Front View of Ethernet Version Cisco ASR 901 10G Router-Rear View LEDs Power SupplySafety Precautions Specification Value Cisco ASR 901 10G Router AC Power Supply Specifications Pin Connector a Connector B Environmental Monitoring Temperature Sensor Router Interface Numbering System SpecificationsDescription Specification Cisco ASR 901 10G Router Interface Number Location Label Regulatory Compliance Chapter Safety with Equipment Safety Guidelines Safety with Electricity Preventing Electrostatic Discharge Damage Site Environment Power Supply ConsiderationsPrerequisites Site Planning Air Flow Guidelines Method of Procedure Required Tools and Equipment Unpacking and Checking the Contents of your Shipment Task Verified by Installation Checklist Task Verified by Date Console Port ConsiderationsCreating a Site Log Console Port Connections Preparing to Install the Router Console Port Considerations OL-28105-02 Network Modules Installing the Cisco ASR 901 10G Router Mounting the Cisco ASR 901 10G Router Rack-Mounting Configuration Guidelines Rack-Mounting Brackets Attaching Brackets to the Router Attaching Brackets for 19-Inch Racks Attaching Brackets for 23-Inch Racks Attaching Brackets for Etsi Racks Wall-Mounting Mounting the Cisco ASR 901 10G Router in a Rack Mounting the Router on a Wall Attaching Brackets for Wall-Mounting User-supplied screws Grounding the Cisco ASR 901 10G Router Connecting the Chassis Ground and Power Stripping a Ground Wire Power Connection Compliance Wiring the DC-Input Power Source 10 3-Pin Terminal Block Installing the DC Power Cord Retainer DC power cord 13 Inserting the Retainer through the Lanced Loop Installing the AC Power Cord Retainer Sleeve for thin power cords AC power cord Installing SFP Modules Installing and Removing SFP Modules 18 SFP Module with a Bale-Clasp Latch Removing SFP Modules Console Port Connecting CablesConnecting the Console Port Types of RJ-45 Cables Connecting 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 Connecting to Alarm PortConnecting to the Management Ethernet Port Interpreting Front-Panel LEDs Powering on the RouterChecklist for Power on Power-On Procedure Copying Files Formatting Procedures for Flash MemoryFile and Directory Procedures Formatting Flash Memory as a DOS File System Deleting Files from the Flash Memory Displaying Contents of the Flash Memory Enter a Directory and Determine the Current Directory Displaying File Content What to Do After Installing the Hardware Problem Solving Troubleshooting Symptom Possible Cause Corrective Action Troubleshooting the Power and Cooling SystemsEnvironmental Reporting Features Information Packet publication Troubleshooting Cables and Connections Color/State Location Description Reading the LEDsChassis LEDs Color/State Description two LEDs for each T1/E1 port T1/E1 Interface LEDsSFP Ethernet Interface LEDs 10G SFP+ Ethernet Interface LEDs RJ-45 Ethernet Interface LEDs Gigabit Ethernet Connector Pinouts Cable Specifications T1/E1 Port Pinouts SFP and SFP+ Port Pinouts and Cable SpecificationsPin FE Signal GE Signal Pin Signal Name Direction Description Console Port Signals and Pinouts RJ-45-to-DB-9 Terminal Adapter Console Console Port Signals and PinoutsPin Signal Name HP Pins Direction Description Console RJ-45-to-DB-25 Port DTE Terminal Adapter Device Signal RJ-45 Pin DB-25 PinIdentifying a Rollover Cable Time of Day Pinouts Bits Port Pinouts 10 Mhz GPS Port Pinouts Pin Signal Name Description Alarm Port Pinouts Auxiliary Port Management Ethernet Port Pinouts OL-28105-02 Site Log Initials Date Numerics IN-2 IN-3 IN-4