Chapter

Frame Relay Service Modules (FRSMs)

FRSMs for High Speed Serial Lines

There are three FRSMs for high speed serial lines.

•AX-FRSM-HS1 supports back cards that provide either two HSSI interfaces or four X.21 interfaces.

•MGX-FRSM-HS1/B supports a back card that provides four V.35 interfaces.

•MGX-FRSM-HS2 supports a back card that provides connections for two HSSI lines.

AX-FRSM-HS1 and MGX-FRSM-HS1/B Features

Both FRSM-HS1 modules support the following features:

•Card throughput of 20 Mbps (bidirectional) at an average frame size of 130 octets.

•HSSI line rates of up to 16 Mbps when a single port is configured per card. HSSI line rates of up to 8 Mbps when both HSSI ports are configured.

•X.21 line rates of 1 port x 10 Mbps, 2 ports x 8 Mbps, 3 ports x 4 Mbps, or 4 ports x 4 Mbps.

•Up to 200 virtual connections in DTE and DCE modes.

•1:1 redundancy using Y-cabling.

•All standard MGX 8220 edge concentrator FRSM features, including the same data link protocols as other FRSMs.

•ForeSight integrated on the high-speed FRSM as a feature license.

•FR-ATM network internetworking and service internetworking support.

•Configuration of ATM Frame user network interface (FUNI) or ATM Frame NNI on a per-port basis.

•Frame forwarding and FUNI support.

 

 

Cisco MGX 8220 Installation and Configuration

 

 

 

 

 

 

 

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

 

 

4-9

 

 

 

 

 

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Cisco Systems MGX 8220 manual FRSMs for High Speed Serial Lines, AX-FRSM-HS1 and MGX-FRSM-HS1/B Features
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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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