RS232NMEA018 serial connection practical

Introduction

This report is about developing and testing serial cables. Implicitly, the paper demonstrates the understanding of how NMEA systems are employed as a network on the crossover of a ship. To realize this, it endeavors to undertake the connection between two PC systems, Computer to SAT C and GPS to computer. The paper seeks to document not only how serial cables work, but also the protocol, physical connectors and software specifications needed.
Scenario One: Create a cable to connect 2 computers together so that they can play “Age of Empires” multiplayer. To do this you will need to consider not only the cable, but also the parameters (setup) of the serial connections on each computer.

RS232NMEA018 serial connection practical

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Physical Connection

To realize the physical connection or a linkage between two PC systems, a bridge cable is required. The cable is then plugged into the network port at the back of the PC. Configuring connectivity is necessary to allow communication between both PC systems. It all starts at;
1. Control Panel
2. Network Connections
3. Right click LAN and press properties
4. Click on TCP and click properties
After these configurations are accomplished, one is expected to render the firewall on both PC systems inactive, by clicking on control panel then windows firewall. Select off then press OK. It is then time to ping the other PC system to ensure both computers are able to interact. Start-up both PC systems, and gain entry in both interfaces. At the start menu – Run- key in the CMD for command prompt. At this point, you can open the game at the end of both the terminals (Windows.micosoft.com, 7-15). Go multiplayer, and then create game and then you should be able to select “Online” or “LAN” somewhere, you would want to select LAN or Local or something like that. When the game shows up on one workstation, try to browse the multilayer game on the other PC system and it should appear. All you need to do is double click and you are ready to play. In the event that Age of Empires” multiplayer fails to run, ensure you are not searching at the wrong place. If nothing shows up, ensure the connection between the two PC systems is through D9 Null Modem cable.

Software Involved

· Windows Operating system
· Microsoft Operating system
· MAC operating System
Test Equipment
Ethernet Card,
RJ connectors

Scenario Two: Computer to Sat C- Create a cable to connect a computer to an lnmarsat C terminal using the terminal software.

Physical connection
With respect to physical connection;

· Software terminal is connected to the computer
· Connecting the other end of the terminal to local area network or the computer
· Put on the power on the software terminal , using power switch hold it till its indicates green
· Opening inmarsat C terminal; the terminal software automatically detects the terminal, however, this requires configuring the computer so as to get the server addresses. To verify that settings are correctly configured on the computer, it’s necessary to evaluate it against the operating system being used. Besides the omni-directional, water resistant antenna is appropriate for Inmarsat C and GPS (Samelectronics.nl, 4-9). It is effective such that it guarantees trouble-free operations below-15° elevation.
Protocols
Terminal software should be powered by power switch on the left side of the display (Garmin.com, 11-15). Owing to the fact that windows can easily detect terminal software, it can promptly install the required drivers. In addition, according to Inmarsat C specification, both operation and control of transceiver unit is carried out using message terminal that comprises of data terminal, printer and alphanumeric keyboard. In this regard, the printer should be connected to transceivers so that safety notifications are printed without delay in case of distress.

Software requirements

· Terminal software
· Windows Operating System
Required Software
· MAC 10.x
· Operating system (Windows 2000 with service pack 4)
· Windows XP with service pack 2
Hardware Requirements
Ethernet and Bluetooth
Intel Pentium III PC system or equivalent
At least 100 MB of free HDD space
About 128 MB of RAM
Operating System
Test equipments
Serial port 1 and 2
Both male and female connectors
Software should detect the terminal automatically.

Choosing your Data Connection

To surf the internet, send and receive electronic mails in addition to using other IP applications, opening standard Data Connection is necessary. For a dedicated connection to the internet it is advisable to use streaming connections such as 32, 64 and 128Kbps streaming.
Checking Usage
You can examine the usage of content and voice through the usage menu on the Launch Taskbar. The display window depicts terminal content as well as the total usage

Scenario 3: GPS to computer

How they work and talk

To start with, it’s important to know kinds of ports on the RS232 pins computer that GPS use. Since old devices use serial ports as new computers ports. Then ascertaining if the computer has the required ports by looking at the back (Gps.com, 9-11). If the computer and GPS have different ports then a converter can used to connect the two devices (Gps.com, 9-11). After confirmation, GPS is connected to the computer via serial connector. Furthermore, the RS232 pins are connected on the GPS connected.
Physical connection
Checking to determine if GPS has the power supply prior to connecting with the computer (Gps.com, 9-11). Installing GPS software and drivers to the computer requires using manufacturer’s specifications regarding effective software to use (Gps.com, 9-11). Plugging serial cable to the GPS and the computer, in this case, it’s necessary to enter GPS settings as recommended by the manufacturer. Then open GPS software and give it time to finish the set up. In the end, unplug cables from the computer and GPS once download is completed. However, it’s not advisable to disconnect immediately because this can disrupt connectivity leading to loss of any stored data.

Test equipments

· Converter for connect GPS and computer with different port External batteries to ensure stable power supply in case electric failure.
· RS232 pins
Required software
GPS software
Hyperlink software used for decoding data from GPS
Protocols
· Installing GPS software as well as any other drivers to effectively ready data
· Ensuring that ports on the computer and GPS are compatible
· It’s of great importance to ensure that there is stead power supply before any connection starts.

Conclusion

In this report, three scenarios were used to test how serial cables function. Performance of serial cables in this regard was informed by many variables including the protocol, physical connectors and software specifications.

Work Cited

Garmin.com, (11-15). Garmin Installation. Garmin.com. Accessed on 25/04/2015 at http://www8.garmin.com/support/download_details.jsp?id=591. 2015.
Gps.com, (9-11) Autonomous ship controlled by GPS. Gps.com. Accessed on 25/04/2015 at http://www.gps.gov/systems/control. 2015
Samelectronics.nl, (4-9). Marine Communication: INMARSAT-C Satellite Ship Earth Station. Sameelectronics.nl. Accessed on 25/04/2015 at http://www.sameelectronics.nl/index.php?option=com_content&task=view&id=52&Itemid=104, 2015
Windows.micosoft.com, (7-15). Windows and Networking. Windows.microsoft.com. Accessed on 25/04/2015 at http://windows.microsoft.com/en-us/windows/networking-home- computers-running-different-windows#networking-home-computers-running-different- windows=windows-7. 2015

By admin in Essays on October 30, 2015