Cisco Systems Powering On and Troubleshooting Cisco Voice Gateways

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Chapter 4 Powering On the Voice Gateway and Performing the Initial Configuration

Troubleshooting

 

Command

Purpose

Step 1

 

 

VG# show running-config

Displays the current operating configuration, including any

 

 

changes you have just made.

Step 2

 

 

VG# show startup-config

Displays the configuration currently stored in NVRAM.

Step 3

 

 

VG# copy running-config startup-config

Writes the current running configuration to NVRAM, where it

 

 

overwrites the startup configuration and becomes the new startup

 

 

configuration.

 

 

Note If you reboot the Cisco VG202, Cisco VG202XM,

 

 

Cisco VG204, or Cisco VG204XM voice gateway or turn

 

 

off the power before you complete this step, you lose the

 

 

configuration.

 

 

 

Troubleshooting

This section describes possible mechanical problems and corrective actions.

Before You Begin

If there appears to be a malfunction, first check all cables and connections.

Table 4-1

Troubleshooting the Cisco VG202, Cisco VG202XM, Cisco VG204, or Cisco VG204XM Voice Gateway

 

 

 

 

Symptom

 

Possible Cause

Corrective Action

 

 

 

 

OK LED is off

 

Faulty DC cable

Check or replace the cable.

 

 

 

 

 

 

Faulty DC power supply

Check or replace the DC power supply.

 

 

 

Check that the DC is plugged in.

 

 

 

Check that the AC cable is plugged in.

 

 

 

 

 

 

Faulty power source

Check or correct the input power.

 

 

 

 

 

 

Faulty internal power supply

Contact Cisco1 or your Cisco reseller.

Unit shuts off after operating for some time

Overheating

Check ventilation.

 

 

 

 

 

 

Faulty voice gateway

Contact Cisco1 or your Cisco reseller.

Console screen display freezes

Console fault

Reset or replace the console.

 

 

 

 

 

 

Software error

Repeat the power-on procedure.

 

 

 

 

 

 

Faulty voice gateway

Contact Cisco1 or your Cisco reseller.

1. See the “Obtaining Documentation and Submitting a Service Request” section on page vii.

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Hardware Installation Guide

4-6

OL-15959-01

 

 

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Contents Americas Headquarters Text Part Number OL-15959-01Copyright 2008-2013 Cisco Systems, Inc. All rights reserved N T E N T S IiiSite Log Documentation Conventions AudienceConvention Description Accessibility Related DocumentationSafety Warnings ViiViii OBS! Spara Dessa Anvisningar Guarde Estas Instruções GEM Disse Anvisninger Xii Xiii Xiv Cisco VG204, and Cisco VG204XM Voice Gateways OverviewPhysical Description Front Panel DescriptionBack Panel Description Cisco VG204 Chassis Front PanelLEDs Cisco VG204 Chassis Back PanelProduct Serial Number Location LED/Color DescriptionInterfaces and Service Capabilities Port Numbering ConventionsOperating System Configuration ConnectionsSoftware Elements Voice Gateway RJ-11 RJ-45Memory Hardware and Electrical SpecificationsCharacteristic Value Chassis GroundingVoice Gateway Deployment OL-15959-01 Location and Mounting Requirements Access to the ChassisAbout Mounting Location Requirements Temperature Control and Ventilation Power SourceDistance Limitations for Interface Cables FXS Analog Voice Port Maximum Distance Fast Ethernet Maximum DistanceInterference Considerations OL-15959-01 Safety Recommendations Maintaining Safety with ElectricitySafety Tips General Safety PracticesPreventing Electrostatic Discharge Damage Site Log Installation ChecklistTask Verified by Date Unpacking and Inspection Mounting Tools and EquipmentTask Verified by Mounting the Chassis onto a Wall Before You BeginProcedure Setting the Chassis on a Desktop Installing the Ground ConnectionCrimping a Ground Lug onto the Ground Wire Connecting Cables Chassis Ground Connection Using Ring TerminalConnecting Input Power to the Chassis Connecting a Terminal or PC to the Console PortConnecting an FXS Line Connecting a Terminal or PC to the Console PortConnecting an FXS Line Powering On the Voice Gateway Performing the Initial Configuration Using the Cisco IOS CLI to Configure the Voice GatewayUsing the setup Command to Configure the Voice Gateway Username username privilege 15 secret 0 passwordEnter a hostname for the voice gateway Verifying and Saving Your Configuration System displays the configurationCommand Purpose TroubleshootingSymptom Possible Cause Corrective Action D E IN-1IN-2
Related manuals
Manual 52 pages 56.9 Kb

VG202, VG204XM, VG204, VG202XM specifications

Cisco Systems has long been a leader in the realm of networking technology, providing innovative solutions for businesses of all sizes. Among its products, the Cisco VG202XM, VG204, VG204XM, and VG202 series stand out as vital components in voice gateway solutions for IP telephony applications.

The Cisco VG202XM and VG204 series are designed to facilitate the convergence of voice and data as businesses transition to VoIP (Voice over Internet Protocol). These voice gateways offer seamless integration with legacy telephony systems while enabling the deployment of advanced IP-based telephony features. They are particularly useful for organizations looking to preserve their existing investments in traditional telephony infrastructure while embracing modern communication technologies.

One of the main features of the VG202XM and VG204 series is their support for two-line interfaces, catering to varying deployment needs. The VG202 provides two FXS (Foreign Exchange Station) ports, which allow businesses to connect analog phones and fax machines directly. The VG204 enhances this capability by offering four FXS ports, accommodating larger user bases and providing more connections for local telephony equipment.

These gateways support an array of voice codecs and can handle up to 16 concurrent calls, ensuring high-quality voice communication in busy environments. Their integration with Cisco's Unified Communications Manager allows users to access a host of advanced telephony features such as call forwarding, voicemail, and conferencing.

On the technology front, the VG202XM and VG204 series support both SIP (Session Initiation Protocol) and H.323 protocols, making them versatile for varied network environments. They also offer advanced QoS (Quality of Service) capabilities, ensuring that voice traffic is prioritized over other types of data, which is essential in maintaining call clarity and reliability.

Additionally, the VG204XM variant adds built-in safety features, such as power over Ethernet (PoE), which eliminates the need for separate power supplies for connected devices. This not only streamlines deployment but also enhances the reliability of the voice system.

In terms of management, these devices are equipped with Cisco's user-friendly interface, which simplifies configuration and monitoring. They can be managed through various tools offered by Cisco, making it easier for IT departments to maintain and optimize their voice services.

Overall, the Cisco VG202XM, VG204, VG204XM, and VG202 series deliver robust, scalable, and reliable solutions for businesses aiming to leverage the benefits of voice gateways in their enterprise networks. These devices not only provide essential voice capabilities but also pave the way for future growth and integration in an increasingly digital world.