HUAWEI MC509 CDMA LGA Module

 

Hardware Guide

Description of the Application Interfaces

Figure 3-13Circuit diagram of the interface of the second audio channel

SPKR_OUT_P

SPKR_OUT_N

Module

(DCE)

ferrite bead

ferrite bead

1nF

1nF

1nF

ESD protection

ferrite bead

+

_

Speaker

MIC2_P

MIC2_N

1nF

 

 

ferrite bead

 

 

 

 

 

 

 

 

1nF 1nF

protection

+

 

ESD

_

 

MIC

It is recommended that a TVS be used on the related interface, to prevent electrostatic discharge and protect integrated circuit (IC) components.

Data only does not support the voice function.

3.8.2Digital Audio

The MC509 provides one digital audio channels (Data only doesn’t support the voice function). Table 3-12lists the signals on the digital audio interface.

Table 3-12Signals on the digital audio interface

 

 

 

Pin

Pin Name

I/O

Description

DC Characteristics (V)

No.

 

 

 

Min

Typical

Max

 

 

 

 

5

PCM_SYNC

O

PCM interface sync

-0.3

2.6

2.9

6

PCM_DIN

I

PCM I/F data in

-0.3

2.6

2.9

7

PCM_DOU

O

PCM I/F data out

-0.3

2.6

2.9

 

T

 

 

 

 

 

 

 

 

 

 

 

 

8

PCM_CLK

O

PCM interface clock

-0.3

2.6

2.9

The MC509 PCM interface enables communication with an external codec to support linear and μ-law format. The PCM_SYNC runs at 8kHz with a 50% duty cycle.

Issue 01 (2011-04-08)

Huawei Proprietary and Confidential

39

Copyright © Huawei Technologies Co., Ltd.

 

 

Page 39
Image 39
Huawei MC509 CDMA LGA manual Digital Audio, Pcmsync, Pcmdin, Pcmdou, Pcmclk

MC509 CDMA LGA specifications

The Huawei MC509 CDMA LGA (Local Gateway Access) is a versatile and efficient communication device designed for CDMA (Code Division Multiple Access) networks. It serves as a gateway that facilitates high-speed data transmission and reliable voice services in mobile communications. This device is particularly well-suited for businesses and service providers looking to enhance their CDMA infrastructure.

One of the standout features of the Huawei MC509 is its ability to support multiple user connections simultaneously. This capability allows it to handle a large volume of calls and data transfers, making it ideal for environments with heavy communication demands. The device is built with robust processing power, ensuring it can manage traffic effectively without any degradation in service quality.

In terms of technology, the Huawei MC509 is designed to seamlessly integrate with existing CDMA networks. It employs advanced signal processing techniques to optimize call quality and data throughput. Additionally, the device supports a variety of bandwidth options, which ensures flexibility in deployment based on specific network requirements.

The MC509 also boasts a modular design, allowing for easy upgrades and scalability. As network demands evolve, service providers can expand the functionality of the device by adding new modules without the need for significant hardware changes. This future-proofing aspect makes it a smart investment for organizations aiming to grow their communication capabilities over time.

Security is another critical characteristic of the Huawei MC509. It features comprehensive security protocols to ensure that voice and data transmissions remain private and secure from unauthorized access. This focus on security makes the device suitable for enterprises that handle sensitive information.

Moreover, the Huawei MC509 has been engineered for energy efficiency. Its smart power management capabilities not only reduce operational costs but also contribute to a greener technology solution. This aspect is increasingly important in today’s environmentally conscious market.

Overall, the Huawei MC509 CDMA LGA is a powerful and adaptable communication solution. With its superior call handling capacity, integration capabilities, modular design, security features, and energy efficiency, it stands out as an essential tool for enhancing CDMA network infrastructure. Organizations that invest in this device will benefit from improved communication services, ultimately leading to increased productivity and customer satisfaction.