Appendix A Cabling Summary

DC Power Cabling

Figure A-2 RJ-48 Connectors

 

 

RJ-48 Pins

 

TTIP

IN

 

2

 

TRNG

IN1

5

4

3

6

TEST-RNGP

IN7

TEST-TIP

IN8

RTIP

OUT

RRNG

OUT

11763

ground/shield

DC Power Cabling

DC power connections are made to the DC power entry modules at the rear of the MGX 8220 shelf. (See Figure A-3.) See Table A-11and Table A-12for acceptable cable and wire types.

DC wiring is generally provided by the customer. (See Table A-11.)

Table A-11 DC Power Wiring

Cable Parameter

 

Description

 

 

 

 

Wiring

 

 

Three conductor, 12 AWG recommended wire gauge, min. 60° C insulation

 

 

 

rating, copper conductors only. Solid or stranded wires. Wire insulation

 

 

 

stripped back 0.25 in. (6 mm) at the MGX 8220 connector end.

 

 

 

Connection

 

Euro-block.

 

 

Figure A-3 DC Power Connections

Positive

Safety

 

 

ground

ground

-48VDC

H10028

 

Cisco MGX 8220 Installation and Configuration

A-6

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

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Cisco Systems MGX 8220 manual DC Power Cabling, Figure A-2 RJ-48 Connectors
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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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