Chapter 1 Overview of the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways

Memory

•Remotely, with a connection through the serial port

•Through Telnet and TFTP

Memory

The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways contain flash memory and main memory:

•The onboard flash memory contains the 128 MB Cisco IOS software image.

•The boot flash memory contains the ROMMON boot code.

•The anti-counterfeiting solution contains the cookie configuration.

For the Cisco VG202 and Cisco VG204 voice gateways, the onboard CPU memory is 128 MB. For the Cisco VG202XM and Cisco VG204XM voice gateways, the onboard CPU memory is 256 MB.

Hardware and Electrical Specifications

 

Table 1-4shows the hardware and electrical specifications for the Cisco VG202, Cisco VG202XM,

 

Cisco VG204, and Cisco VG204XM voice gateways.

Table 1-4

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateway Technical Specifications

 

 

 

Characteristic

 

Value

 

 

 

Dimensions

 

1.75H x 9.75W x 8.0D in. (44.45 x 247.65 x 203.2 mm)

 

 

 

Weight

 

3.422 lb (1.55 kg) max

 

 

 

Input power

 

30 W

 

 

Operating temperature

32 to 104 degrees F (0 to 40 degrees C)

 

 

Operating humidity

5 to 95 percent, noncondensing

 

 

 

Noise level

 

n/a

 

 

Agency approvals

See the Regulatory Compliance and Safety Information for the Cisco VG202,

 

 

Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways document.

 

 

 

Chassis Grounding

For information on grounding the chassis, see the “Installing the Ground Connection” section on page 3-7.

Warning There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. Statement 1015

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

1-8

OL-15959-01

 

 

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Cisco Systems VG202XM, VG204XM Memory, Hardware and Electrical Specifications, Chassis Grounding, Characteristic Value
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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.
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