Chapter 1 – Description and Specifications

Introduction

The MultiVOIP GSM provides wireless voice communications over the Internet or an Intranet. By integrating wireless connectivity into your existing data network, you can realize substantial savings on inter-office long distance toll charges. The MVPGSM has “phone books,” which are directories set up to simulate dialing and connecting as though the call was in the local area.

Front Panel LEDs

LED Types. The MVPGSM has two types of LEDs on the front panel:

(1)general operation LED indicators (for power, booting, and Ethernet functions), and

(2)channel operation LED indicators that describe the voice traffic and performance for each channel.

LED

MVPGSM LEDs

Front Panel LED Definitions

Description

General Operation LEDs

Power

Boot

WAN

LS

RI

Signal

Strength

Bars (0-3)

Indicates presence of power

After power up, the Boot LED will be on briefly while the MultiVOIP GSM is booting. It lights whenever the MultiVOIP GSM is booting, saving a configuration or receiving a firmware upgrade. LNK. Link/Activity LED. This LED is lit if Ethernet connection has been made. It is off when the link is down (i.e., when no Ethernet connection exists). While the link is up, this LED will flash off to indicate activity.

SPD. Speed indicator LED: this is lit when link speed is 100MB/s and off when it is 10MB/s. Channel-Operation LEDs (one set for each channel)

Line Status.

•Continuous “on” state indicates that the channel is connected.

•Flashing states:

•600 ms on / 600 ms off – searching for network, no SIM card or authentication in progress

•75 ms on / 3000 ms off – IDLE mode; registered on network but no call in progress

•75 ms on / 75 ms off / 75 ms on / 3000 ms off – GPRS PDP contexts activated

•Off state. Channel is off (not ready) or in sleep mode.

Ring Indicator. This LED will light when an incoming Ring Signal is detected.

There are three LEDs for each channel. If no LEDs are lit, there is not enough signal strength to maintain the wireless connection reliably. If at least one LED is lit, there is enough signal to maintain connection with Low signal strength. If the left two LEDs are lit, a Medium signal strength is present. If all three LEDs are lit, a High signal strength is present.

Multi-Tech Systems, Inc.

MVPGSM

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Multi-Tech Systems MVPGSM-2 manual Description and Specifications, Introduction, Front Panel LEDs
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MVPGSM-2 specifications

The Multi-Tech Systems MVPGSM-2 is a robust and versatile device designed for various telecommunication applications, particularly those involving GSM cellular technology. This multi-function modem is ideally suited for machine-to-machine (M2M) communication, enabling seamless data transfer for remote monitoring, control, and automation.

One of the MVPGSM-2's key features is its dual-band GSM support, which allows for enhanced connectivity and coverage. The device operates on both 850 MHz and 1900 MHz frequency bands, ensuring compatibility with a wide range of GSM networks across different geographical areas. This flexibility makes it an excellent choice for applications that require reliable wireless communication, such as in remote sensors, telemetry, and industrial automation.

The MVPGSM-2 incorporates advanced technologies like GPRS (General Packet Radio Service) and SMS (Short Message Service), enabling efficient and real-time communication capabilities. GPRS facilitates data transmission at speeds up to 114 kbps, making it suitable for sending and receiving large volumes of data quickly. The SMS functionality allows for reliable and immediate messaging, making it easier to receive alerts and notifications in real time.

One of the standout characteristics of the MVPGSM-2 is its rugged design. Built to withstand harsh environmental conditions, it features durable casing that protects it from dust and moisture. This ruggedness ensures that the device performs reliably in various industries, including agriculture, transportation, and energy, where exposure to challenging conditions is common.

Additionally, the MVPGSM-2 supports multiple I/O ports, including digital inputs and outputs, which provide flexibility in integration with various sensors and control systems. This versatility allows users to customize the device to meet specific application needs.

The device also comes with comprehensive software and development kits that streamline integration into existing systems and applications. Multi-Tech Systems offers extensive technical support and documentation, ensuring that users can easily navigate the setup process.

In summary, the Multi-Tech MVPGSM-2 is a powerful GSM modem designed for M2M communication, featuring dual-band support, GPRS and SMS capabilities, rugged design, and flexible I/O options. Its robust performance makes it a valuable tool for various industrial applications, ensuring reliable data communication and management in the field.
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