Cisco Systems 2600 manual Connecting Routers to a DC-Input Power Supply, DC Wiring Requirements

Page 62

Chapter 3 Installing the Router

Power Connections

Warning AC connected units must have a permanent ground connection in addition to the power cable ground wire. NEBS-compliant grounding satisfies this requirement. Statement 284

Warning This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:

15A, 120VAC (10A, 240VAC). Statement 1005

Connecting Routers to a DC-Input Power Supply

If your router has a DC-input power supply, follow the directions in this section for proper wiring.

Warning This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:

15A, 60VDC. Statement 1005

Warning Use copper conductors only. Statement 1025

DC Wiring Requirements

Table 3-1summarizes the wiring requirements for Cisco 2600 series routers with a DC-input power supply.

Note For installations compliant with the National Electric Code, AWG 14 (2.0 mm2) wire is required for DC input and safety ground wire.

Table 3-1 DC Wiring Requirements for Cisco 2600 Series Routers

Router

DC Input

DC Input Wire Size1

Safety Ground Wire Size

Overcurrent Protection

Cisco 2600 with

–48 to –60 VDC, 4 A2

AWG 18 (1.0 mm2)

AWG 14 (2.0 mm2)

15 A maximum

1-RU chassis height

 

 

 

 

 

 

 

 

 

Cisco 2691

24 - 36 V, 8 A,

AWG 18

AWG 14

15 A maximum

 

positive or negative,

(1.0 mm2)

(2.0 mm2)

 

 

single or dual sources3

 

 

 

 

36 - 60 V, 4 A,

AWG 18

AWG 14

15 A maximum

 

positive or negative,

(1.0 mm2)

(2.0 mm2))

 

 

single or dual sources

 

 

 

 

 

 

 

 

1.See the note above this table for National Electric Code wire size requirements.

2.The input voltage tolerance limits for nominal 48-V power supplies are 38 and 72 VDC.

3.The input voltage tolerance limits for nominal 24/48-V power supplies are 18 and 72 VDC.

Cisco 2600 Series Routers Hardware Installation Guide

3-16

OL-2171-06

 

 

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Contents
Cisco 2600 Series Routers Hardware Installation Guide Corporate HeadquartersCisco 2600 Series Routers Hardware Installation Guide N T E N T S IiiSerial DTE or DCE Devices Initial Configuration Using the Setup Command Facility Procedure for the tftpdnld Command Configuration Register Objectives ViiConventions AudienceOrganization Chapter Title DescriptionSafety Warnings Bewaar Deze InstructiesWarnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla SicurezzaAviso Instruções Importantes DE Segurança Guarde Estas InstruçõesGEM Disse Anvisninger XiiXiii Related Documentation XivCisco Product Document Title Replacement, Repair, or Refund Policy for Hardware Cisco 90-Day Limited Hardware Warranty TermsDuration of Hardware Warranty XviCisco.com Obtaining DocumentationDocumentation Feedback Ordering DocumentationCisco Technical Support Website Submitting a Service RequestObtaining Technical Assistance XviiiXix Definitions of Service Request SeverityObtaining Additional Publications and Information Preface Obtaining Additional Publications and Information Hardware Features Overview of Cisco 2600 Series RoutersAdvanced CiscoPower Reading the Front-Panel LEDsPWR RPSActivity SYS/RPSReading the Rear-Panel LEDs ACTCisco 2613-Rear-Panel LEDs FDX LinkACT Modules, Interface Cards, and Memory CF1Interface Numbering WAN and LAN Interface Numbering11 Interface Numbering in Chassis with 1-RU Height Voice Interface Numbering System SpecificationsDescription Specification Regulatory Compliance Safety Recommendations Safety with ElectricityPreventing Electrostatic Discharge Damage General Site Requirements Power Supply ConsiderationsPower Source Input Power Tolerance Limits Site EnvironmentEquipment Racks Installation ChecklistSite Configuration Creating a Site Log Task Verified by DateTools and Equipment for Installation and Maintenance Inspecting the RouterConsole and Auxiliary Port Considerations Console Port ConnectionsPreparing to Connect to a Network Auxiliary Port ConnectionsEthernet Connections Token Ring ConnectionsSerial DTE or DCE Devices Configuring Serial ConnectionsSerial Connections Device Type Gender Typical Devices Signaling Standards SupportedDistance Limitations EIA/TIA-232 Isdn BRI ConnectionsAsynchronous/Synchronous Serial Module Baud Rates Distance EIA-530 Distance Rate bps Feet Meters56-K/Switched-56-kbps DSU/CSU Connections Low-Capacitance CableOL-2171-06 Installing the Router For WICs and VICs Installing Modules, Interface Cards, and Power SuppliesFor network modules For AIMsFor internal power supplies Setting Up the ChassisSetting the Chassis on a Desktop For external power suppliesMounting the Chassis in a Rack Right To the other side of the chassis. Brackets for 19-inch rack Brackets for 19-inch rack To the other side of the chassis Attaching the Brackets to a Router of 2-RU Height Use two screws on each side For 19-inch rack Right bracketInstalling the Router in a Rack V0 ENAttaching Wall-Mount Brackets to the Router Mounting the Chassis on the WallAttaching Rubber Feet to the Router Mounting the Router on the Wall 16 Attaching the Wall-Mount BracketsInstalling the Chassis Ground Connection 17 Mounting the Chassis on the WallRing terminal Power Connections Connecting Routers to AC PowerRouter DC Input DC Input Wire Size1 Connecting Routers to a DC-Input Power SupplyDC Wiring Requirements 15A, 120VAC 10A, 240VAC. StatementWiring Procedure for DC Input Ports and Cabling Connecting WAN, LAN, and Voice CablesConnecting Routers to the Cisco Redundant Power System Port or Connection Port Type, Color Connected To CableLAN, WAN, and Voice Connection Procedures Connecting to a Console Terminal or Modem Connecting to the Console PortConnecting to the Auxiliary Port 23 Connecting to a Console Terminal24 Connecting a Modem to the Auxiliary Port Identifying a Rollover CableFront Panel Indicators Powering Up the RouterChecklist for Power Up Routers with 1-RU Chassis HeightPower-Up Procedure Routers with 2-RU Chassis HeightConfiguring the Router Initial Configuration Using SDM Initial Configuration Using the Setup Command FacilityEnter a hostname for the router this example uses Initial Configuration Using the CLI Manual Configuration Configuration is displayedTo proceed with manual configuration using the CLI, enter no OL-2171-06 Troubleshooting Isolating ProblemsTroubleshooting the Power and Cooling Systems Environmental Reporting FeaturesTroubleshooting Modules, Cables, and Connections Cisco Technical Assistance Center Recovering a Lost PasswordSystem Messages Using the ROM Monitor Entering ROM Monitor ModeROM Monitor Commands Enter ROM Monitor Mode by Using the reload CommandROM Monitor Command Syntax Conventions Command abcBoot Commands in the ROM Monitor ROM Monitor Command DescriptionsRouter Management Commands Informational Commands in the ROM Monitor Debugging Commands Other Useful ROM Monitor CommandsConfiguration Register Commands Modifying the Configuration Register in Menu ModeRecovering Cisco IOS Software Images Modifying the Configuration Register by Hexidecimal EntryProcedure for the xmodem Command Copying an Image from the Console Using the xmodem CommandDescription and Options of the xmodem Command Console RequirementsRestrictions on the tftpdnld Command Procedure for the tftpdnld Command Specify the required variables, for exampleDEFAULTGATEWAY=172.16.19.1 Nvram Configuration Register SettingsBit Number Hexadecimal Meaning Changing Configuration Register Settings Configuring the Boot Field Boot Field MeaningBit Address net host Enabling Booting from Flash Memory Baud BitOL-2171-06 Numerics IN-1Dram IN-2Link LED Isdn BRILAN IN-3Sdram IN-4IN-5 IN-6
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