Chapter

Rack-Mounting the MGX 8220 Units

Note The shelf weighs 30 lb to 60 lb (13.6 kg to 27.2 kg) depending upon the number of installed cards. Have two persons, one each side, lift the shelf into the rack. The lower modules can be used as a temporary support for the shelf until the shelf is attached to the rack.

Center Mount

Where there is restricted depth in the rack, the holes in the side of the module can also be used to mount the shelf with the center of the module mounted onto the front of the rack. In this arrangement, the shelf protrudes from the front of the rack and only partially protrudes into the rack space.

Limited Access

There are several aids for mounting modules where side access is limited.

1.Use thread forming screws to prethread mounting holes. This technique involves inserting a screw into the hole to make the thread and then removing it before installing the module. The prethreaded holes make it much easier to insert the screws when the module is installed.

2.An alternative bracket can be used for the MGX 8220 shelf rear support. This bracket locks into slots on the module chassis and does not specifically require screws in the chassis side. Ground contacts are provided for a redundant ground connection.

3.Another alternative bracket, which is part of the cable management kit, has keyhole-style holes instead of the normal round holes. Using this bracket, the screws can be loosely screwed into the chassis before it is installed. When the chassis is approximately in position in the rack, the bracket is then placed over the screws and slid into place. The screws are tightened using a box end wrench from the rear. The bracket is attached to the rack-mounting rail. This bracket is used in conjunction with a spacer to ensure the 1/3- inch vertical space between modules. Hex head screws are provided for this purpose. (See Figure 7-5.)

4.An additional bracket is used to properly space the main MGX 8220 chassis unit when a rear vertical mounting rail is not used in the assembly. Mount the cable hook on top of the bracket and use a flat washer to space the lower mounting hole.

 

Cisco MGX 8220 Installation and Configuration

7-10

Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003

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Cisco Systems MGX 8220 manual Center Mount, Limited Access
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MGX 8220 specifications

The Cisco Systems MGX 8220 is a versatile, high-performance media gateway that has become an integral component in the telecommunications infrastructure. Designed to facilitate the transition from traditional circuit-switched networks to advanced packet-switched environments, the MGX 8220 supports a wide array of voice, video, and data services, making it an essential tool for service providers and enterprises seeking to enhance their network capabilities.

One of the key features of the MGX 8220 is its robust signaling and media processing capabilities. Equipped with support for both Voice over IP (VoIP) and traditional telephony protocols, this gateway enables seamless integration of different communication formats. It boasts a modular architecture, which allows for the addition or removal of various line cards to meet changing demands and technology advancements. This modularity provides operators with the flexibility to scale their services without significant overhauls to their existing infrastructure.

The MGX 8220 is capable of delivering high-density media handling for a multitude of services. With its support for ATM and IP networks, the gateway can handle TDM (Time-Division Multiplexing) to packet voice conversions efficiently. It is designed to optimize network resources by dynamically allocating bandwidth based on traffic requirements, thus ensuring efficient use of network resources and improved performance.

Another significant characteristic of the MGX 8220 is its enhanced quality of service (QoS) features. This capability ensures that voice and video traffic is prioritized appropriately, minimizing latency and jitter while maximizing overall call quality. By employing sophisticated traffic management techniques, the MGX 8220 can deliver a superior user experience, which is critical for any service provider aiming to offer competitive communication solutions.

Furthermore, the gateway includes built-in security features to protect against unauthorized access and ensure the integrity of sensitive data. This includes encryption for voice and video transmission, as well as support for secure signaling protocols.

Overall, the Cisco Systems MGX 8220 stands out as a comprehensive media gateway solution, providing essential functionalities for modern communication needs. Its combination of modularity, high-density processing, effective QoS management, and security features makes it a compelling choice for organizations looking to modernize their telecommunications infrastructure while ensuring reliability and performance. As businesses continue to evolve and demand more from their networks, the MGX 8220 offers a pathway to future-ready communications.
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