Chapter

Core Module Overview

BNM-T3/E3 LED Indicators

The BNM-T3/E3 LED indicators are described in Table 2-2.All LEDs are located on the faceplate of the front card.

Table 2-2 BNM LED Indicators

Type of LED

Color

Meaning

 

 

 

ACT

Green

On indicates the card set is in active mode.

 

 

 

STBY

Yellow

On indicates the card set is in standby mode.

 

 

 

FAIL

Red

On indicates the BNM card set has failed or the line module is

 

 

missing.

 

 

 

PORT

Green

Green indicates the port is active.

 

 

 

 

Yellow

Yellow indicates a remote alarm on the port.

 

 

 

 

Red

• Red indicates a local alarm on the port.

 

 

• Off indicates the port has not been activated (brought up).

 

 

 

MIN

Red

On indicates a minor alarm in the node.

 

 

 

MAJ

Red

On indicates a major alarm in the node.

 

 

 

DC-A

Green

• On indicates “A” power is OK.

 

 

• Off indicates “A” power module is missing or present but at

 

 

0 volts.

 

 

 

DC-B

Green

• On indicates “B” power is OK.

 

 

• Off indicates “B” power module is missing or present but at

 

 

0 volts.

 

 

 

ACO

Yellow

On indicates the ACO (audible cut-off) button has been pressed

 

 

during a major or minor alarm. This LED is extinguished when that

 

 

alarm is cleared.

 

 

 

HIST

Green

ON indicates a major or minor alarm has occurred since the last time

 

 

the HIST button was pressed.

 

 

 

Push Buttons

The BNM has two push-buttons located on the faceplate of the front card.

•ACO

The ACO button is a momentary switch and is pressed during a major or minor alarm to deactivate the audible alarm relays and to turn the ACO LED on. Any new alarm causes the relays to be reactivated.

•HIST

The HIST button is a momentary switch and is pressed to extinguish the history LED if there is no active alarm at the time.

 

Cisco MGX 8220 Installation and Configuration

2-18

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

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Cisco Systems MGX 8220 manual BNM-T3/E3 LED Indicators, Push Buttons, Type of LED Color Meaning
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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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