Appendix B Specifications

Virtual Circuits

 

CESM-4T1/E1 Specification

 

 

 

 

 

 

Channels (Endpoints):

One per physical port

 

Counters:

 

MIB Name

 

AAL1:

 

 

 

 

Number of lost SAR-PDUs

cesLostCells

 

 

Number of buffer overflow events

cesBufOverflows

 

 

Number of buffer underflow events

cesBufUnderflows

 

 

Number of SAR-PDU’s with header error

cesHdrErrs

 

 

Number of SAR-PDU’s received out of

cesCellSeqMismatchCnt

 

 

sequence

cesReassCells

 

 

Number of cells played out to T1/E1 port

cesGenCells

 

 

Number of cell generated from T1/E1 port

cesIngrDiscardedBytes

 

 

Number of bytes discarded due to shelf alarm

 

 

 

from port

cesUflowInsCells

 

 

Number of all 1’s cells inserted during buffer

 

 

 

underflow

cesOflowDropBytes

 

 

Number of bytes discarded due to egress

 

 

 

overflow

 

 

Diagnostic:

Egress buffer depth (per port)

 

 

Alarms:

 

MIB Name

 

T1/E1 Port:

Red, loss of signal (LOS)

LineAlarmState—bit 5 set

 

 

Blue, alarm indication signal (AIS)

LineAlarmState—bit 2 set

 

 

 

and cesChanState = 3

 

 

Line code violation (LVC)

LineStatisticalAlarmState

 

SAR Port:

 

 

 

Transmit State:

SendingAIS

cesXmtATMState = 3

 

 

Sending FERF

cesXmtATMState = 4

 

Receiving State:

 

 

 

 

Receiving AIS

cesRcvATMstate = 3

 

 

Receiving FERF

cesRcvATMstate = 4

 

 

Cell loss

cesCellLossStatus = 2

 

 

 

Cisco MGX 8220 Installation and Configuration

 

 

 

 

 

 

 

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

 

 

B-31

 

 

 

 

 

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Cisco Systems MGX 8220 manual Virtual Circuits, AAL1
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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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