Appendix B Specifications

MATM Specification

Physical Layer Interface E3

Line Rate:

34.368 Mbps ±20 ppm (T3)

Line Code:

HDB3 for E3

Framing:

Per ITU-T Recommendation G.804 and G.832

Input Jitter Tolerance:

Per ATT TR 62411

ATM Interface:

 

Cell support (type)

STI cells

Congestion Control:

EFCI/FFCI setting on egress (AIM)

EFCI setup:

Using programmable EFCI threshold

IMATM Alarms:

Complies with DS3 and G.832 physical layer protocols and

 

supports FERF, LOS, LOF, OOF, AIS, yellow and red alarms

AIM Groups and Links

 

Counters:

 

High Speed Port:

DS3/E3 physical layer line alarm indication and insertion

 

DS3/E3 SUNI-PDh number of cells: Tx and Rx

 

PLL clock recovery status

AIM Group:

Number of cells received from AIM interface

 

Number of cell discarded due to error in cell header

 

Number of cells from AIM interface discarded due to queue

 

Full on both Ingress and egress directions

 

Number of ACP cells received

 

Number of ACP cells received with errors

 

Number of LCP cells received

 

Number of LCP cells received with errors

 

Number of cells served from Egress queue to AIM interface

 

Number of cell transmitted by trunk interface, two types:

 

Date and Filler + Data

 

Number of times a link went off the IMAIM group

 

Cisco MGX 8220 Installation and Configuration

B-34

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

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Cisco Systems MGX 8220 manual Physical Layer Interface E3, AIM Groups and Links
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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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