Cisco Systems CISCO1750 manual Symptom Possible Solutions

Page 51

Problem Solving

Table 2 lists problems that could occur with the WICs and VICs and the possible solutions of these problems.

 

.

 

 

Table 2

Troubleshooting WICs and VICs

 

 

 

Symptom

 

Possible Solution(s)

 

 

Router does not recognize the

• Confirm that the Cisco IOS release installed in the router

card.

 

supports the WIC or VIC.

 

 

• Make sure you have a Cisco IOS feature set that supports voice.

 

 

The Cisco WAN Interface Cards Hardware Installation Guide

 

 

lists the software requirements for each card.

 

 

• Make sure that the card is correctly installed in the router. Refer

 

 

to the “Installing WICs and VICs” section in the “Installation”

 

 

chapter.

 

 

Router recognizes the card(s),

• Make sure that the card is correctly installed in the router. Refer

but the card port(s) do not

to the “Installing WICs and VICs” section in the “Installation”

initialize.

 

chapter.

 

 

• Check the external cable connections to make sure they are

 

 

secure.

 

 

Router does not boot properly or

Make sure that the WIC or VIC is correctly installed in the router.

continuously or intermittently

Refer to the “Installing WICs and VICs” section in the

reboots.

 

“Installation” chapter.

 

 

Router does not boot or reset

There might be a short. Turn off the router immediately.

after the WIC or VIC is inserted.

 

 

 

 

Router boots, but the console

• Make sure the console cable is securely connected to the router

screen is frozen.

and to the PC or terminal.

 

 

• Verify that the parameters for your terminal are set to the

 

 

following:

 

 

–

9600 baud

 

 

–

8 data bits

 

 

–

No parity

 

 

–

1 stop bit

 

 

–

no flow control

 

 

 

 

Cisco 1750 Router Hardware Installation Guide

 

78-6169-02

ix

 

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Contents Cisco 1750 Router Hardware Installation Guide Page Cisco 1750 Router Hardware Installation Guide Page Router Memory CommandsEthernet Cables Problem SolvingTechnical Specifications Cabling SpecificationsLocating Modules C-v Viii About This Guide Audience and Scope OrganizationRelated Publications Conventions Xii Xiii Description CommandsCisco 1750 Router Overview Feature Description Key FeaturesIii AUX Connector/Slot Label/Color DescriptionRear-Panel Ports and LEDs EthernetLED Label Color Description Connector/SlotFront-Panel LEDs CardsColor Supported LED Meaning Isdn ACTCOL Slotø PortøVIC-2FXO VIC-2FXS PORT1 SLOT1 PortøVIC-2E&M VIC-2FXO VIC-2FXS SLOT2 Portø VIC-2E&MTypes of Memory Router Memory1750# show version Amounts of MemoryEquipment When You Use It Unpacking the RouterAdditional Required Equipment NT1 Types, refer to the Cisco WAN Interface Cards HardwareBefore Installing the Router InstallationConnecting the Router to Your Local Network Iii Connecting the Router to the Local Network Safety Information Installing WICs and VICsInstalling WICs and VICs Removing a WIC or VIC Slot Cover Connecting Power to the Router Connecting Power to the RouterConnecting the Power Supply Optional Installation Steps Verifying Your InstallationConnecting a PC Connecting the Console Cable to the Router 1750 Connecting a ModemWall-Mount Brackets-Bottom of Router Wall-Mounting78-6169-02 Xvi Contacting Cisco or Your Reseller TroubleshootingChanging the Configuration Register Recovering a Lost PasswordConfiguration register is Resetting the Router Resetting the Password Resetting the Configuration Register Value Problem SolvingNumber of Blinks Meaning OK LED DiagnosticsRouter#show diag Slot Troubleshooting WICs and VICsCisco WAN Interface Cards Hardware Installation Guide Symptom Possible SolutionsCompliance and Safety Information for the Cisco 1600 Troubleshooting the Power SystemTroubleshooting Isdn Symptom Check the Following Possible Solutions Isdn S/TIsdn U Use show isdn status Xiv Description Specification Technical SpecificationsCisco 1750 Router Hardware Installation Guide 78-6169-02 Ethernet Cables Cabling SpecificationsTX+ RX+ RJ-45 Pin Signal DirectionSpecification 10BaseT 100BaseTX Ethernet Network Cabling GuidelinesConsole Terminal Signal RJ-45 Pin DB-9 Pin DB-25 PinConsole Cable and Adapters UTPIdentifying a Rollover Cable TXD RXD GND DSR DTR CTS RTSVIC Cables and Pinouts Shows how to connect the VICs to the networkPin Signal Description Pin SignalLead Signaling output Signaling ground Return Viii Safety Information Installing and Upgrading Memory and Data ModulesPage Opening the Chassis Removing the Chassis Screws Cisco 1750 Motherboard-Module Locations Locating ModulesRemoving a Mini-Flash Module Installing a Mini-Flash ModuleRemoving a Mini-Flash Module Installing a Mini-Flash Module Installing a Dimm Installing a Dual In-Line Memory ModuleInstalling a Pvdm Installing a Packet Voice Data ModuleClosing the Chassis Closing the Chassis D E Enable Enable secret Isdn switch-type IOS OK LED Index Index

CISCO1750 specifications

The Cisco Systems CISCO1750 is a versatile, high-performance router designed to meet the needs of medium-sized businesses and enterprise environments. Known for its reliability and scalability, the CISCO1750 serves as a gateway to advanced networking solutions, offering a range of features and technologies that enhance functionality and connectivity.

One of the main characteristics of the CISCO1750 is its modular design, allowing users to customize the router according to their specific requirements. With various interface cards and network modules available, users can expand the router's capabilities to accommodate additional connections and services. This modularity makes the CISCO1750 a cost-effective solution, as organizations can invest in the hardware they need without overspending on unnecessary features.

The CISCO1750 supports multiple WAN interfaces, including T1/E1 and DSL connections, making it suitable for diverse network environments. It also includes integrated Ethernet switching, supporting both Fast Ethernet and Gigabit Ethernet interfaces. This allows the router to handle high-speed data transfers efficiently while ensuring reliable connectivity between various local devices.

In terms of software capabilities, the CISCO1750 runs on the Cisco IOS (Internetwork Operating System), providing advanced routing protocols like OSPF, EIGRP, and BGP. This enables the router to efficiently manage network traffic, optimize performance, and ensure high availability. The inclusion of advanced security features, such as IPsec VPN support and access control lists, helps safeguard sensitive data while maintaining robust network integrity.

Scalability is another key feature of the CISCO1750. As organizations grow and their networking needs evolve, the router can adapt by supporting additional users and devices. The device can also be integrated with other Cisco products for a unified networking infrastructure, ensuring seamless operations across the entire organization.

The CISCO1750 is designed with a focus on ease of management. Users can configure and monitor the device through a user-friendly command-line interface or GUI-based management tools. Additionally, the router supports SNMP (Simple Network Management Protocol), enabling administrators to monitor network performance and troubleshoot issues effectively.

In summary, the Cisco Systems CISCO1750 is a powerful and flexible router that meets the demands of modern enterprise networking. With its modular design, support for various interfaces, advanced routing capabilities, robust security features, and ease of management, it stands out as a reliable choice for organizations looking to enhance their network infrastructure.
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