Cisco Systems ASR 903 Connecting Cables to a GPS Interface

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Cisco ASR 903 Router Hardware Installation Guide

OL-25178-05

Chapter3 Installing the Cisco ASR 903 Router

Connecting the Cisco ASR 903 Router to the Network

Connecting Cables to a GPS Interface

The following sections describe how to connect cables from the CiscoASR 903 Router to a GPS unit for

input or output timing of frequency:

•Connecting Cables to the Input 10Mhz or 1PPS Interface, page3-41

•Connecting Cables to the Output 10Mhz or 1PPS Interface, page3-41

•Connecting Cables to the ToD Interface, page3-41

Note A Y-cable is required to connect to a primary and backup RSP in order to ensure that the router continues

to transmit timing signals in the event of a network failure. For a mini-coax connection, this Y-cable can

be part number CAB-BNC-7INY (7 inch BNC Y-cable). For an Ethernet connection, this Y-cable can be

a RJ45 Cat5 1-to-2 splitter (3 female port RJ45 connector).

Note When installing the cabling to the RSPs, we recommend that you leave a service loop of extra cabling

sufficient to allow for fan tray removal.

Connecting Cables to the Input 10Mhz or 1PPS Interface

Step1 Connect one end of a mini-coax Y-cable to the GPS unit.

Step2 Connect one end of the split-side Y-cable mini-coax to the 10Mhz or 1PPS port on the primary RSP of

the Cisco ASR 903Router.

Step3 Connect the other end of the split-side Y-cable mini-coax to the 10Mhz or 1PPS port on the backup RSP

of the Cisco ASR 903 Router.

Connecting Cables to the Output 10Mhz or 1PPS Interface

Step1 Connect one end of a mini-coax Y-cable to the Slave unit.

Step2 Connect one end of the split-side Y-cable mini-coax to the 10Mhz or 1PPS port on the primary RSP of

the Cisco ASR 903Router.

Step3 Connect the other end of the split-side Y-cable mini-coax to the 10Mhz or 1PPS port on the backup RSP

of the Cisco ASR 903 Router.

Connecting Cables to the ToD Interface

Step1 Connect one end of a straight-through Ethernet cable to the GPS unit.

Step2 Connect one end of the split-side Y-cable Ethernet to the ToD port on the primary RSP of the

CiscoASR903Router.

Step3 Connect the other end of the split-side Y-cable Ethernet to the ToD port on the backup RSP of the

CiscoASR903Router.

Note For instructions on how to configure clocking, see the CiscoASR 903 Router Software Configuration

Guide.

Contents

Main Page CONTENTS Page Page Page Page Page About this Book Document Revision History Document Audience Document Organization Document Conventions Obtaining Documentation and Submitting a Service Request Page Cisco ASR 903 router Overview Cisco ASR 903 router Features System Specifications 1 32 4 Power Supply Features Redundancy Dying Gasp Status LEDs DC Power Specifications Page AC Power Specifications Fan Tray Fan Tray (A903-FAN) Fan Tray (A903-FAN-E) Dust Filter (A903-FAN-F) Air Plenum RSP Modules Supported RSPs Supported RSP Features RSP Redundancy Network Timing Interfaces RSP Interfaces Interface Modules 31 2 4 5 6 7 8 9 10 Gigabit Ethernet SFP Interface Module Supported SFP Modules Gigabit Ethernet RJ45 Interface Module 10 Gigabit Ethernet XFP Interface Module Supported XFP Modules Page T1/E1 Interface Module OC-3 Interface Module Supported SFP Modules Serial Interface Module Page Supported Standards 6 1 2 3 4 5 Temperature Sensor Interface Numbering Regulatory Compliance 2 31 45 11 10 9 8 7 6 Page Preparing for Installation Safety Guidelines 2-2 Standard Warning Statements Safety Guidelines for Personal Safety and Equipment Protection Safety Precautions for Module Installation and Removal 2-4 Safety with Electricity 2-5 2-6 Page Power Supply Considerations Preventing ESD Damage Site Planning General Precautions Site Planning Checklist Site Selection Guidelines Environmental Requirements Physical Characteristics Air Flow Guidelines Air exhaust Room air Air Flow Guidelines for Enclosed Rack Installation Floor Loading Considerations Site Power Guidelines Electrical Circuit Requirements Site Cabling Guidelines Asynchronous Terminal Connections Interference Considerations Electromagnetic Interference Radio Frequency Interference Lightning and AC Power Fault Interference Rack-Mounting Guidelines Precautions for Rack-Mounting Rack Selection Guidelines Equipment Rack Guidelines Locating for Safety Locating for Easy Maintenance Locating for Proper Airflow Installation Checklist Creating a Site Log Receiving the Cisco ASR 903 Router Chassis-Lifting Guidelines Tools and Equipment Unpacking and Verifying the Shipped Contents Page Installing the Cisco ASR 903 Router Prerequisites Installing the Router in a Rack Installing the Chassis Brackets Installing the Router Chassis in the Rack Installing the Chassis in the Air Plenum Attaching the Cable Management Brackets Page 3-7 Installing the Chassis Ground Connection 24V60V 28A 1 Grounding lug (300 mm ETSI cabinet) Installing the Chassis Ground Connection 300 mm ETSI cabinetAttach the grounding lug on the rack-mount bracket on the front of the router, as shown in Figure3-10. Page Page Installing the Fan Tray Installing the Dust Filter Removing the Dust Filter Dust Filter Maintenance Removing and Replacing the Fan Tray Page RSP Installation Installing an RSP Module Removing an RSP Module Hot-Swapping an RSP Module Interface Module Installation Installing an Interface Module Removing an Interface Module Hot-Swapping an Interface Module Installing the Power Supply Preventing Power Loss Power Connection Guidelines Guidelines for DC-Powered Systems Guidelines for AC-Powered Systems Installing the DC Power Supply Installing the DC Power Supply Module Installing Terminal Block on the DC PEM Unit (A900-PWR550-D) Page 3-24 Installing the Power Supply ALARM 24V60V 28A Figure3-21 Inserting the DC Power Supply Terminal Block Plug in the Block Header Installing Terminal Block Connector on the DC PEM Unit (A900-PWR550-D-E) Tools Activating the DC Power Supply Removing and Replacing the DC Power Supply Installing the AC power Supply Installing the AC Power Supply Module Activating the AC Power Supply Removing and Replacing the AC Power Supply Connecting the Cisco ASR 903 Router to the Network Connecting Console Cables Connecting to the Serial Port using Microsoft Windows 3-32 Connecting the Cisco ASR 903 Router to the Network MEM ALARM Figure3-24 Connecting the USB Console Cable to the CiscoASR 903 Router Connecting to the Console Port using Mac OS X Connecting to the Console Port using Linux Installing the Cisco Microsoft Windows USB Device Driver Installing the Cisco Microsoft Windows XP USB Driver Installing the Cisco Microsoft Windows 2000 USB Driver Installing the Cisco Microsoft Windows Vista USB Driver Uninstalling the Cisco Microsoft Windows USB Driver Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver Uninstalling the Cisco Microsoft Windows Vista USB Driver Connecting to the Auxiliary Port 3-37 Connecting the Cisco ASR 903 Router to the Network MEM ALARM To connect a modem to the router, follow these steps: Connecting a Management Ethernet Cable Installing and Removing SFP and XFP Modules Connecting a USB Flash Device Removing a USB Flash Device Connecting Timing Cables Connecting Cables to the BITS Interface Page Connecting Cables to a GPS Interface Connecting Cables to the Input 10Mhz or 1PPS Interface Connecting Cables to the Output 10Mhz or 1PPS Interface Connecting Cables to the ToD Interface Connecting Ethernet Cables Connecting Cables to SFP Modules Connecting T1/E1 cables Installing the Cable Connector RJ45 Cable Pinouts Connecting Cables to the Patch Panel Recommended Patch Panel Connecting Serial Cables Page Connecting the Fan Tray Alarm Port Connector and Cable Specifications Page Cisco ASR 903 Router Initial Configuration Checking Conditions Prior to System Startup Powering Up the Cisco ASR 903 Router 4-3 4-4 Verifying the Front Panel LEDs Verifying the Hardware Configuration Checking Hardware and Software Compatibility Configuring the Cisco ASR 903 Router at Startup Using the Console Interface Configuring Global Parameters Checking the Running Configuration Settings Saving the Running Configuration to NVRAM Safely Powering Off the Cisco ASR 903 Router Troubleshooting Pinouts BITS Port Pinout GPS Port Pinout Time of Day Port Pinout Alarm Port Pinout Console/Aux RJ45 RS232 Serial Port Pinout T1/E1 Port Pinout Serial Cable Pinouts DB-9 Connector Pinouts RJ-45 Connector Pinouts Management Ethernet Port Pinout USB Console Port Pinout USB Flash/MEM Port Pinout Fiber-Optic Specifications LED Summary RSP LEDs Interface Module LEDs OC-3 Interface Module LEDs T1/E1 Interface Module LEDs Serial Interface Module LEDs Power Supply LEDs Fan Tray LEDs Alarm Conditions Page APPENDIX Site Log and Manufactures Page Manufactures Page INDEX A B C N P R S