Cisco Systems VG202XM, VG204XM manual Distance Limitations for Interface Cables, Power Source

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Chapter 2 Planning Your Installation

Distance Limitations for Interface Cables

Power Source

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001

Warning Read the installation instructions before you connect the system to its power source. Statement 1004

Warning This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than:120 VAC, 15A U.S. (240 VAC, 10A international) Statement

1005

Warning The device is designed for connection to TN and IT power systems. Statement 1007

Temperature Control and Ventilation

Temperature Control, page 2-2

Ventilation for Wall Mounting, page 2-2

Ventilation for Desktop Mounting, page 2-2

Temperature Control

The installation area (room, closet, or cabinet) for the voice gateway chassis must be well ventilated and provide adequate air circulation to ensure proper cooling. The room temperature should be maintained between 32 to 122 degrees F (0 to 50 degrees C).

Ventilation for Wall Mounting

If you install the chassis onto a wall, ensure that there is plenty of space on all sides of the chassis to allow adequate airflow through the chassis.

Ventilation for Desktop Mounting

If you place the chassis on a desk or shelf, do not stack other equipment or paper on top of it. Provide plenty of space for air circulation on all four sides of the chassis.

Distance Limitations for Interface Cables

When planning your installation, consider distance limitations and potential electromagnetic interference (EMI) as defined by the Electronic Industries Association (EIA).

Fast Ethernet Maximum Distance, page 2-3

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

2-2

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 Convention Description AudienceDocumentation Conventions 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 About Mounting Location Requirements Access to the ChassisLocation and Mounting Requirements Distance Limitations for Interface Cables Power SourceTemperature Control and Ventilation Interference Considerations Fast Ethernet Maximum DistanceFXS Analog Voice Port Maximum Distance OL-15959-01 Safety Recommendations Maintaining Safety with ElectricityPreventing Electrostatic Discharge Damage General Safety PracticesSafety Tips Task Verified by Date Installation ChecklistSite Log Task Verified by Mounting Tools and EquipmentUnpacking and Inspection 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 configurationSymptom Possible Cause Corrective Action TroubleshootingCommand Purpose D E IN-1IN-2
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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.