Cisco Systems 3700 Series manual Connecting to a Console Terminal or Modem

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

•Install cable ties in accordance with site requirements.

For cable pinouts, see the online document Cisco Modular Access Router Cable Specifications.

Connecting to a Console Terminal or Modem

Your router has asynchronous serial console and auxiliary ports. These ports provide administrative access to your router either locally (with a console terminal or PC) or remotely (with a modem).

Cisco provides the following cables and adapters for connecting your router to a console terminal, PC, or modem:

•One console adapter cable (RJ-45-to-DB-9, blue)

•One modem adapter cable (RJ-45-to-DB-25, black)

This section describes how to connect a console terminal or PC to the console port, and how to connect a modem to the auxiliary port.

Note For information on identifying rollover cables, see the “Identifying a Rollover Cable” section on page 3-25.

Connecting to the Console Port

To connect a console terminal or a PC running terminal emulation software to the console port on the router, perform the following steps:

Step 1 Use the blue RJ-45-to-DB-9 console adapter cable to connect the router to a terminal. (See Figure 3-24and Figure 3-25.)

For information about cable pinouts, see the online publication Cisco Modular Access Router Cable Specifications, available online and on the Documentation CD-ROM.

Note On Cisco routers, the console port is color-coded blue.

Step 2 Configure your terminal or terminal emulation software for 9600 baud (default), 8 data bits, no parity, and 2 stop bits.

Note Because hardware flow control is not possible on the console port, we do not recommend that

modems be connected to the console port. Modems should always be connected to the auxiliary port.

Cisco 3700 Series Routers Hardware Installation Guide

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Contents Cisco 3700 Series Routers Hardware Installation Guide Corporate HeadquartersBook Title N T E N T S Site Environment Entering ROM Monitor Mode B-1 Cisco 3700 Series Routers Hardware Installation Guide Preface ObjectivesAudience OrganizationConventions Chapter Title DescriptionSafety Warnings Bewaar Deze InstructiesWarnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla SicurezzaAviso Instruções Importantes DE Segurança Guarde Estas InstruçõesGEM Disse Anvisninger Xiii Related Documentation Cisco Product Document Title Obtaining Documentation Documentation FeedbackCisco.com Ordering DocumentationCisco Technical Support Website Submitting a Service RequestObtaining Technical Assistance Definitions of Service Request Severity Obtaining Additional Publications and InformationXix OL-2180-08 Hardware Features Cisco1shows the rear panel of the Cisco 3725 router Modules, Interface Cards, and Memory 2shows the rear panel of the Cisco 3745 routerDescription Specification MemoryWAN and LAN Interface Numbering Interface NumberingCisco 3725 Interfaces Voice Interface Numbering Gigabit Ethernet 2/0Cisco 3745 Interfaces Network-module-slot/voice-module-slot/voice-interface Power Supply Option Cisco Power Supply OptionsInternal -48 V Telephony Power Modules Cisco 3725 Router with Optional -48 V Power Module Installed System Specifications Regulatory Compliance Preparing to Install the Router Safety RecommendationsSafety with Electricity Preventing Electrostatic Discharge DamageGeneral Site Requirements Power Supply ConsiderationsRouter Power Supply Input Power Input Voltage Equipment Racks Site ConfigurationSite Environment Installation Checklist Task Verified by DateCreating a Site Log Inspecting the RouterPage Auxiliary Port Connections Console and Auxiliary Port ConsiderationsConsole Port Connections Preparing to Connect to a Network Ethernet ConnectionsConfiguring Serial Connections Token Ring ConnectionsSerial Connections Serial DTE or DCE DevicesDevice Type Gender Typical Devices Signaling Standards SupportedDistance Limitations Isdn BRI Connections Asynchronous/Synchronous Serial Module Data RatesEIA/TIA-232 Distance EIA-530 Distance Rate bps Feet Meters56-K/Switched-56-kbps DSU/CSU Connections Low-Capacitance CableOL-2180-07 Installing the Router Setting Up the Chassis Setting the Chassis on a DesktopLeft Rack-Mounting the ChassisAttaching Brackets to the Cisco 3725 Router Cisco 3745 Router-Brackets for 19-Inch RackRight wide bracket Attaching Brackets to the Cisco 3745 Router RightMounting the Router in a Rack 63387Installing the Chassis Ground Connection 11 Mounting the Chassis in a Rack TypicalCisco 3725 Router Ground Connection Ground lugCisco 3745 Router Ground Connection Power Connections Installing the Router Power ConnectionsConnecting Routers to AC Power Connecting Routers to a DC-Input Power SupplyWiring the DC-Input Power Supply in Cisco 3725 Routers 15A, 120VAC 10A, 240VAC. StatementDC Power DC Input Source DC Input Wire Size Wire Terminal Lug Protection+ B 17 DC Wire Routing and Attachment for Cisco 127039 Wiring the DC-Input Power Supply in Cisco 3745 Routers DC Input Wire Installed Power Supply DC Input Size Wire SizeNegative polarity input 0V return Safety ground Ports and Cabling Connecting WAN, LAN, and Voice CablesConnecting Routers to the Cisco Redundant Power System Connection Procedures and Precautions Port or Connection Port type, color CableConnecting to a Console Terminal or Modem Connecting to the Console Port24 Connecting a Console Terminal to a Cisco 3725 Router Connecting to the Auxiliary Port Specifications on Cisco.comIdentifying a Rollover Cable 28 Identifying a Rollover CableFront Panel Indicators Powering Up the RouterChecklist for Power Up Power-Up Procedure Cisco 3745 LED IndicatorsYourname con0 is now available Press Return to get started Initial Configuration Using the Setup Command Facility Configuring the RouterInitial Configuration Using SDM Shown as examples only Configuration is displayed Initial Configuration Using the CLI Manual Configuration Press Return to bring up the Router prompt OL-2180-08 Troubleshooting Solving Problems Troubleshooting the Power and Cooling SystemsEnvironmental Reporting Features Troubleshooting Modules, Cables, and ConnectionsReading Front-Panel LEDs ACT LED SYS/RPS LED PWR LEDLED Indicator State Description SYS/RPSReading Rear Panel LEDs SYS PS1Power Error Messages ETMSystem Amber Error LED Type LED Color MessagePS1, PS2 Amber Error LED on PS1, PS2 Amber Recovering a Lost Password Using the ROM Monitor Entering ROM Monitor ModeROM Monitor Commands Enter ROM Monitor Mode by Using the reload CommandROM Monitor Syntax Conventions ROM Monitor Command DescriptionsBoot Commands in the ROM Monitor Cisco 3700 Series Routers Hardware Installation Guide Informational Commands in the ROM Monitor Configuration Register Other Useful ROM Monitor CommandsDebugging Commands in the ROM Monitor Modifying the Configuration Register in Menu Mode Modifying the Configuration Register by Hexadecimal EntryConsole Requirements Recovering Cisco IOS Software ImagesDescription and Options of the xmodem Command Procedure for the xmodem Command Messages similar to the following appearOL-2180-08 Configuration Register Settings Bit Number Hexadecimal MeaningChanging Configuration Register Settings Your router is now in the normal operating modeConfiguring the Boot Field Boot Field MeaningBit Address net host Enabling Booting from CompactFlash Memory Data Rate BitOL-2180-08 Symbols IN-2 IN-3 IN-4 IN-5 IN-6

3700 Series specifications

Cisco Systems 3700 Series routers are a pivotal part of Cisco's portfolio, designed for medium to large enterprises aiming to deliver secure and efficient networking capabilities. Introduced as a versatile solution, these routers provide a comprehensive blend of performance, scalability, and investment protection.

One of the standout features of the Cisco 3700 Series is its modular architecture, allowing organizations to customize their router according to specific needs. This modularity supports various modules for different functions, including voice, data, and video, making the 3700 Series an ideal choice for converged networking environments. Administrators can enhance functionality through an array of WAN and voice interface cards that adapt as the organization's needs evolve.

The 3700 Series is built on Cisco's IOS (Internetwork Operating System), ensuring robust and high-quality performance. It supports advanced routing protocols including EIGRP, OSPF, and BGP, facilitating efficient data transmission across diverse environments. This versatility helps organizations implement sophisticated multi-site connectivity and enables reliable performance in complex network scenarios.

Security is a paramount concern in modern networking, and the Cisco 3700 Series delivers with features such as integrated firewall services, VPN support, and intrusion detection capabilities. These security measures protect sensitive data and ensure secure communication between remote sites—critical in today’s cyber landscape.

Another key characteristic of the 3700 Series is its support for Quality of Service (QoS), which prioritizes time-sensitive traffic such as voice and video. By ensuring that critical applications receive the bandwidth they require, organizations can maintain the quality of service that their users expect.

Moreover, the Cisco 3700 Series is designed with redundancy in mind. Features like dual power supplies and hot-swappable fan trays enhance reliability and uptime, which are crucial for mission-critical applications.

Furthermore, energy efficiency is an increasingly important consideration in network design. The Cisco 3700 Series adheres to modern energy standards, helping reduce the overall carbon footprint while supporting high-performance capabilities.

In summary, the Cisco Systems 3700 Series routers stand out for their modularity, advanced routing capabilities, robust security features, and energy efficiency, making them an optimal choice for enterprises that not only need performance but also flexibility and reliability in their networking solutions. As businesses continue to evolve and adapt, the Cisco 3700 Series is a dependable partner in their connectivity journey, ensuring they can meet current demands while preparing for future challenges.
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