Section 6 - Communication

6.0 COMMUNICATION

There are various ways to communicate remotely with the recorder. The Ethernet port can be used to communicate on a network or via the World Wide Web (Both HTTP and FTP protocols). There are various means of doing this as simply as using a web browser, or using third party software using either the OPC (Open Connectivity) protocol or Modbus™ both of which are supported by the recorder. The slave USB port on the rear of the unit can be used to communicate with a local PC using Microsoft‟s ActiveSync™. An optional isolated serial port is available which supports the RS232 and RS485 standards.

In order to run the web services you need to know the IP Address of the recorder. This will have been set in the Network Settings and may be user assigned or assigned by the network using DHCP. To see the local IP Address use the System Information button in the Setup menu. If the recorder is on a wide area network you will have to use this Internet Address to access the unit.

The recorder reserves “ports” or sub-addresses which it uses for various services. Some of these are global standards others are specifically reserved. This is important if you are going to make the unit accessible globally and have a firewall or other router between the recorder and the outside world. Typically one would use a feature of the router known as port forwarding, the exact method is router specific and if this is what you want to do, contact your IT department or consult the router manual. The ports used by the recorder are as follows:

Port 21

FTP server

Port 80

HTTP Server

Port 135

DCOM TCP

Port 500-510 Various Server Functions

Each application that accesses the recorder has its own unique settings so as to not run afoul of Windows Security settings, firewalls etc. These are dealt with below.

The available Exhibitor software is an extremely versatile program that supports the recorder and can replay recorded data files in various formats, export to Excel™, view and save real time data, upload and download files, configure recorders and allow the user to control all aspects of the recorder remotely.

6.1World Wide Web

The recorder has a web server that supports both http and ftp requests. This enables a user to view the current status of a remote recorder in real time and upload or download files using the World Wide Web and your browser (The software is optimized for Internet ExplorerTM Version 6 or higher). In order to use this service it is necessary to enable ActiveX on the browser and download Sun‟s JavaTM Engine – the program will prompt for this.

The user needs to set up users and passwords locally at the recorder. To access the web server, any user name and password set up in the web user manager dialog will work. To access the ftp area the user name has to be Admin and the corresponding password as set up must be entered.

The minimum system requirements for using Browser ftp are as follows:

∙ Operating Systems: Windows 98/2000/XP/ME, Mac OS 8.x, 9.x, 10.x, Linux, Unix

∙ Browser: Internet Explorer, Netscape Navigator, Opera. Mozilla, Safari, Firefox

∙ Browser Java VM: Java 1.1 or above

To start, open your browser and type the IP address into the address bar. If you

 

are asked about running active content – check the “allow blocked content” option

 

– this site uses ActiveX. This will bring up the permission box shown right. Enter a

Fig 6.1.1 – Permission Box

valid user name and password and press OK.

 

If the password is correct this will bring up the live data page as shown below:

 

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RD8300 specifications

The Omega Speaker Systems RD8300 is a remarkable entry in the audio equipment market, designed for audiophiles and casual listeners alike who seek high-quality sound reproduction. This speaker system combines cutting-edge technologies with user-friendly features to deliver an immersive listening experience.

One of the standout characteristics of the RD8300 is its advanced driver configuration. Featuring a dual 8-inch woofers, a precision-tuned midrange driver, and a high-frequency tweeter, the RD8300 is engineered to provide a full range of frequencies with unparalleled clarity. This configuration ensures that bass notes are deep and powerful, while mid-range and treble sounds are crisp and detailed, making it suitable for a wide variety of music genres and audio formats.

Another integral technology in the RD8300 is its sophisticated crossover network. By intelligently directing frequencies to the appropriate drivers, the crossover helps to minimize distortion and enhance the overall sonic coherence of the speaker. This ensures every note is delivered with precision, allowing listeners to appreciate the nuances in their favorite tracks.

The RD8300 also boasts an impressive power handling capability, allowing it to deliver loud and dynamic sound without compromising audio quality. Its robust construction ensures minimal resonance, further enhancing sound clarity. The speaker's enclosure is crafted from high-density fiberboard, designed to reduce unwanted vibrations while maximizing audio performance.

In terms of connectivity, the RD8300 is versatile. It comes equipped with standard binding post inputs, making it compatible with a wide range of audio equipment. Additionally, it features both wired and wireless connectivity options, catering to modern listening preferences.

User convenience is another focus of the RD8300's design, with features such as adjustable feet and a user-friendly interface that allows for easy setup and adjustment. The sleek visual design of the speaker adds an aesthetic touch, making it an attractive addition to any room.

In summary, the Omega Speaker Systems RD8300 stands out as an exceptional speaker choice. With its advanced driver design, sophisticated crossover technology, impressive power handling, versatile connectivity options, and user-friendly features, it caters to those seeking a superior audio experience, making it a must-have for audio enthusiasts.
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