External Alarm Cabling

Appendix A Cabling Summary

This cable (see Table A-19)connects network alarm outputs to the LM-BNM alarm output connector only. Table A-20lists the pinouts for the network alarm outputs.

Table A-19 External Alarm Cabling

Cable Parameter		Description

Interface		Dry-contact relay closure

Wire		24 AWG, shielded, 6-pair

Connector		DB-15, subminiature, male

Table A-20 Network Alarm Pin Assignments

Pin No.	Alarm		Description

1	Audible—major		Normally open

2			Common

9			Normally closed

4	Visual—major		Normally open

5			Common

12			Normally closed

7	unused		n.c.

8	unused		n.c.

3	Audible—minor		Normally open

11			Common

10			Normally closed

6	Visual—minor		Normally open

14			Common

13			Normally closed

15	unused		n.c.

	Cisco MGX 8220 Installation and Configuration
A-10	Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003

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.

Cable Parameter

Pin No.

Alarm

Description

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

MGX 8220 specifications