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VPort 254 User’s Manual Introduction

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Overview

The VPort 254 is a 4-channel industrial video encoder that uses the ASIC compression chip to

provide video performance up to full D1 (720 x 480) @ 30 FPS and CIF (352 x 240) @ 120 FPS

for a total of 4 channels. To meet the wide range of requirements from end-users, the VPort 254 is

designed to support dual-codecs, including MJPEG and MPEG4 algorithms.

The VPort 254 inherits the VPort 351’s industrial features, but also supports DIN-Rail mounting,

12/24 VDC and 24 VAC redundant power inputs, -40 to 75°C operating temperature (“T” models

only), and IP30 protection for industrial mission-critical applications. But most importantly, the

VPort 254 meets critical hardware requirements for industrial safety and ruggedness, such as

UL508, which is pertinent to TA, UA, and MA systems.

High Performance MJPEG/MPEG4 compression

Video input can be efficiently compressed into MJPEG/MPEG4 video stream packets without

delay. This is all done without sacrificing remote monitoring capability or storage. Five levels of

compression quality and four different image resolutions are provided to provide greater

versatility.

2-way audio supported for a complete surveillance solution

The VPort 254 supports both audio input and audio output for voice over IP communication

between a field site and central site. The 2-way audio function not only saves time, but also saves

the cost of needing to add additional communication devices (such as a phone).

Rugged design for industrial environments

The VPort 254 is an industrial video encoder, which means that it is specially designed for harsh

industrial environments. With the 12/24 VDC and 24 VAC redundant power inputs, IP30

protection, and DIN-Rail mounting, the VPort 254 meets the critical requirements of most

industrial applications. Most importantly, the VPort 254-T can operate reliably in a -40 to 75°C

temperature range, making it the first video encoder of its kind that can be used for extended

temperature, industrial-grade applications. The VPort 254-T is an optimal solution for outdoor

environments. In addition, the VPort 254 has received important industrial and safety approvals,

such as UL508, making the VPort 254 well suited for transportation, utility, and manufacturing

systems.

Modbus/TCP supported for convenient communication with SCADA/HMI

Most automation applications use SCADA/HMI systems to monitor and control field site devices

and equipment. Many SCADA/HMI systems now require real-time video for remote monitoring,

and for this reason, the VPort 254 supports the Modbus/TCP protocols, which enable direct

communication between the VPort and the SCADA/HMI system, allowing administrators to

determine the status of VPorts easily for maintenance purposes.

Supports serial-to-Ethernet communication for connecting a serial device

In addition to video cameras, surveillance systems also use other devices, such as sensors and card

readers. To reduce the connection effort and the cost of devices, the VPort 254 provides one

serial-to-Ethernet RS-232/422/485 COM port for connecting serial devices.

RTSP streaming for easy integration

RTSP (Real-time Streaming Protocol) is a client-server multimedia presentation control protocol,

which enables the interoperability of video devices and software. Hardware or software that

supports RTSP streaming can easily identify and decode the video stream without the hassle of

codec installation. For example, users can view video images from the VPort 254 directly with

Quick Time and VLC, both of which support RTSP streaming.

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